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HYUNDAI MOBIS CO., LTD. Patent applications | ||
Patent application number | Title | Published |
20150103171 | CAMERA POSITION RECOGNITION SYSTEM - Disclosed is a camera position recognition system including a smart key module which transmits/receives a wireless signal to recognize a smart key; one or more camera modules which receive the wireless signal of the smart key module to obtain an image around a vehicle; an around view module which controls the camera module; and a camera position recognition module which recognizes a position of the camera module based on a strength of the wireless signal which is received by each of the camera modules. | 04-16-2015 |
20150102921 | MICRO LEAKAGE DETECTING DEVICE OF SUSPENSION DEVICE AND METHOD FOR DETECTING MICRO LEAKAGE - A micro leakage detecting device of a suspension device includes a detecting unit, a driving state determining unit that checks whether or not a vehicle is driving when it is checked in the detecting unit that the vehicle-height correcting control occurs, a vehicle-height increasing control checking unit that checks whether or not the vehicle-height correcting control is control for increasing a vehicle height when it is checked in the driving state determining unit that the vehicle is driving, a micro leakage determining unit that updates vehicle-height correcting control information according to a vehicle-height correcting type when it is checked in the vehicle-height increasing control checking unit that the the vehicle-height correcting control is the control for increasing the vehicle height, and determines whether or not micro leakage occurs when the vehicle-height correcting control information is detected one or more times, and a warning unit that warns a driver. | 04-16-2015 |
20150102543 | HYDRAULIC BUSHING OF VEHICLE - A hydraulic bushing of a lower arm for a vehicle includes an inner pipe, an outer pipe, an elastic member disposed between the inner and outer pipes and connecting the inner pipe to the outer pipe, and a fluid chamber defined in the elastic member. Fluid is sealed inside the fluid chamber. A stopper protrudes radially from an outer circumference of the inner pipe toward the outer pipe. The elastic member is coupled to the stopper such that the elastic member surrounds the stopper. | 04-16-2015 |
20150098157 | VEHICLE POWER CONTROLLING APPARATUS - The present invention relates to a vehicle power controlling apparatus, and more particularly, to a vehicle power controlling apparatus for interrupting a dark current from an ECU power front stage of a motor driven power steering (MDPS) system. | 04-09-2015 |
20150097418 | ELECTRONIC HYDRAULIC BRAKE DEVICE - An electronic hydraulic brake device may include: a reservoir storing brake oil; a reaction cylinder connected to the reservoir, and changing a pedal force and brake oil pressure in connection with motion of a pedal; a reaction valve installed between the reservoir and the reaction cylinder so as to control transfer of brake oil; a wheel brake restraining rotation of each wheel in connection with the operation of the reaction cylinder; and a brake valve installed on a connection pipeline for connecting the wheel brake and the reaction cylinder so as to control transfer of brake oil. | 04-09-2015 |
20150075922 | PARKING BRAKE SYSTEM OF EMB USING HYDRAULIC DEVICE AND PARKING BRAKE CONTROL METHOD FOR EMB - Disclosed are a parking brake system of an EMB used in combination with a hydraulic device, and a parking brake control method for an EMB. The parking brake system of an EMB according to an exemplary embodiment of the present invention includes: a pedal unit which has a configuration in which a pedal simulator and a master cylinder are coupled; electromechanical brakes (EMBs) each of which has a hydraulic piston device; first hydraulic lines which are connected so as to supply hydraulic pressure from the master cylinder to the hydraulic piston devices of the EMBs; first solenoid valves which are provided to change a communication state of the first hydraulic lines; second hydraulic lines which are extended between the first solenoid valves and the EMBs, and connected to a reservoir; and second solenoid valves which are provided to change a communication state of the second hydraulic lines. | 03-19-2015 |
20150075763 | CUSTOMIZED AIR CONDITIONER CONTROLLING SYSTEM AND METHOD THEREOF - Disclosed are an air conditioner controlling system and a method thereof that control an air conditioner so as to provide cooling or heating customized to each occupant by measuring a body temperature of each occupant. The customized air conditioner controlling system includes: a body temperature measuring unit measuring a body temperature of each occupant in a vehicle; a personalized service determining unit determining a personalized service including whether to drive a cooling device or a heating device for each occupant based on the body temperature of each occupant; and an air conditioner controlling unit controlling an air conditioner discriminatively for each occupant based on the personalized service. | 03-19-2015 |
20150073660 | METHOD FOR CONTROLLING STEERING WHEEL AND SYSTEM THEREFOR - Provided are a method for controlling a steering wheel and an apparatus therefor: for example, a method using an AVM composite image and a distance sensing sensor based parking support system. For example, a method for controlling a steering wheel, includes: detecting a parking line and at least two intersecting points intersecting the parking line from a first image obtained by composing images input from a plurality of cameras equipped in a vehicle; detecting a rotating amount and a moving amount of the vehicle from the first image and a second image continued to the first image; compensating for a rotating angle error and a moving error of the vehicle from the detected rotating amount and moving amount; constructing an obstacle map by reflecting the compensated rotating angle error and moving error; and controlling the steering wheel based on the constructed obstacle map. | 03-12-2015 |
20150066302 | CONTROL APPARATUS OF MOTOR DRIVEN POWER STEERING - A control apparatus of a motor-driven power steering (MDPS) includes: a torque sensor configured to measure a driver's steering torque inputted to a steering wheel and output a steering torque signal; a steering angle sensor configured to measure a steering angle of the steering wheel; a variable notch filter configured to reduce a torque ripple for the steering torque signal depending on a steering angle speed which is a change rate of the steering angle with respect to time; a vehicle speed sensor configured to measure vehicle speed; and a controller configured to receive the steering angle, the steering torque signal, and the vehicle speed from the steering angle sensor, the variable notch filter, and the vehicle sensor, respectively, and control drivability of a driving motor according to a driving speed of a vehicle. | 03-05-2015 |
20150066299 | APPARATUS AND METHOD FOR STABILIZING STEERING FEEL IN MOTOR-DRIVEN POWER STEERING - An apparatus for stabilizing a steering feel in a motor-driven power steering (MDPS) includes: an input unit configured to receive a column torque of a steering wheel; a calculation unit configured to convert the column torque signal inputted from the input unit into a target signal for generating a compensation signal of the steering wheel; and a compensation unit configured to calculate an assist torque for compensating for a main assist torque based on the target signal from the calculation unit. | 03-05-2015 |
20150066237 | CONTROL METHOD FOR AROUND VIEW STOP MODE - Disclosed is a control method for an around view stop mode. A control method for an around view stop mode in an around view stop guide system, including a plurality of cameras provided on an exterior of a vehicle to photograph a situation outside the vehicle, a monitor provided inside the vehicle to output images photographed by the cameras, a door opening sensor provided on one side of a vehicle door to check whether the door is opened or closed, and an around view mode operating switch operating an around view mode while stopping, includes stopping the vehicle; changing a gear to a P state or a parking brake to a brake-on state; and outputting the images from the monitor. | 03-05-2015 |
20150062947 | LAMP FOR VEHICLE - The present invention provides a lamp for a vehicle including: a lamp module including: a lens having a first focal point; a shield formed behind the lens; a first reflector formed above the shield and having a second focal point; and a second reflector formed below the shield and having a third focal point, in which an edge of the shield and the second focal point are formed to be positioned on the first focal point, and the third focal point is formed behind and below the first focal point, thereby implementing a low beam and a high beam using a single optical module and greatly reducing a size, a weight, and the number of components. | 03-05-2015 |
20150062555 | LIDAR SENSOR SYSTEM - A LIDAR sensor system includes: a transmitting unit including one or more emitting units so as to transmit polarization lasers to an object; a receiving unit configured to receive reflection light reflected on the object; and a processing unit configured to sense the object from the reflection light, and the transmitting unit may include a first emitting unit emitting a first laser and a second emitting unit emitting a second laser having polarization light orthogonal to the first laser. | 03-05-2015 |
20150062011 | REMOTE CONTROL APPARATUS AND METHOD OF AUDIO VIDEO NAVIGATION SYSTEM - Provided are a remote control apparatus and method that remotely control an operation of an AVN system through a virtual touch panel generated by using a stylus pen and a sensor equipped in the AVN system. Therefore, the AVN system is remotely controlled by using the virtual touch panel generated in a vehicle, thus enhancing a user's convenience. | 03-05-2015 |
20150061357 | MASTER CYLINDER AND BRAKE SYSTEM USING THE SAME - A master cylinder including: a primary chamber; a first piston which is provided in the primary chamber, and has one portion that is moved to the outside of the primary chamber by pressing a pedal; a secondary chamber which is provided to be adjacent to the primary chamber; a second piston which is provided in the secondary chamber, and has one portion that protrudes to the outside of the secondary chamber and is provided to be spaced apart from the first piston at a predetermined interval; and a hydraulic line which connects the primary chamber and the secondary chamber, and is connected with a wheel cylinder, in which the first piston is moved by pressing the pedal, and after the first piston is moved at a predetermined interval, the first piston and the second piston come into contact with each other, and are moved together. | 03-05-2015 |
20150060174 | IN-WHEEL SYSTEM FOR HYBRID ELECTRIC VEHICLE - Disclosed is an in-wheel system for a hybrid electric vehicle. The in-wheel system includes an engine that provides a rotational driving power to front wheels or rear wheels, at least one in-wheel motor that is driven by a battery, and is provided at each of the front wheels or each of the rear wheels so as to correspond to the wheels to which the driving power of the engine is transmitted to provide a rotational driving power to the same wheels as wheels driven by the engine, and a controller that controls the engine and the in-wheel motor to be driven. | 03-05-2015 |
20150049950 | SYSTEM AND METHOD FOR COMPOSITING VARIOUS IMAGES USING CLUSTERING TECHNIQUE - Disclosed are a system and a method for compositing various images that minimize a brightness difference in connection areas of various images by using a clustering technique at the time of compositing various images. The method for compositing various images may include receiving two or more input images; compositing the two or more input images into one composite image; calculating a brightness distribution degree; calculating representative brightness values; determining clustering; calculating a correction target value; and calculating a correction value of an increase/decrease curve. | 02-19-2015 |
20150049196 | APPARATUS AND METHOD FOR COMPOSITION IMAGE FOR AVM SYSTEM - An image composing apparatus includes an image input unit which captures original images using front, rear, left, and right cameras of a vehicle; an external memory which stores the original images, a look up table, and a composite image; an original image window generating unit which sets an M×N basic pixel group to analyze a coordinate value based on the look up table and calculates a starting coordinate and a window size of the window in accordance with the coordinate value; an internal memory control unit which reads the original images in accordance with the starting coordinate and the window size to store the original image; an image composing unit which composes the original images read out based on the coordinate value to generate the composite image; and an image output unit which reads the composite image to output the composite image to a display device. | 02-19-2015 |
20150046040 | APPARATUS AND METHOD FOR DRIVING MOTOR DRIVEN POWER STEERING - An apparatus for driving a motor driven power steering (MDPS) may include: a first calculation unit configured to calculate a damping force gain based on an MDPS output current; a second calculation unit configured to calculate a damping force using vehicle speed and steering angle speed; and a damping force calculation unit configured to calculate a final damping force using the damping force gain calculated through the first calculation unit and the damping force calculated through the second calculation unit. | 02-12-2015 |
20150043239 | LAMP FOR VEHICLE AND VEHICLE HAVING THE SAME - Provided is a lamp for a vehicle. The lamp includes: an LED array; and an aspherical lens disposed in front of the LED array, in which a first stepped portion is provided on a light incident surface of the aspherical lens, and a second stepped portion is provided on a light exit surface of the aspherical lens, thereby reducing a brightness difference between a central portion and both side portions of a lighting image, and preventing light blurring. | 02-12-2015 |
20150043237 | LAMP FOR VEHICLE - Provided is a lamp for a vehicle. The lamp includes: a first reflector disposed above an LED array and including an elliptical reflective surface that defines a first focal point and a second focal point; and a second reflector disposed below the LED array and including a parabolic reflective surface that defines a third focal point, and may increase an amount of light in a front region and a light width region of a vehicle by utilizing the existing light source without adding a separate light source. | 02-12-2015 |
20150043234 | LIGHT SOURCE MODULE AND LAMP FOR VEHICLE HAVING THE SAME - An light source module according to an embodiment of the present invention includes: a substrate; a light source which is provided on the substrate; a reflective sheet which is stacked on the substrate; an optical sheet which is stacked on the reflective sheet and has a protruding pattern; an optical resin which is formed on the protruding pattern; and a light diffusion sheet which is stacked on the optical resin, and the light source module may implement a surface emission image, and diffuse light so as to satisfy regulations on visible angle light distribution. | 02-12-2015 |
20150042454 | SMART KEY SYSTEM USING MOVEMENT PATTERN RECOGNITION OF MOBILE DEVICE AND OPERATION METHOD THEREOF - Provided is a smart key system using movement pattern recognition of a mobile terminal includes a mobile terminal configured to continuously transmit position information generated when a position is moved according to manipulation of a user, and a control module configured to acquire a movement pattern of the mobile terminal using the position information received from the mobile terminal and unlock a door of a vehicle when the acquired movement pattern is matched with a previously stored preset pattern. | 02-12-2015 |
20150031278 | DAMPER UNIT AND AIR VENT FOR VEHICLE USING THE SAME - The present invention provides an air vent for a vehicle, including: a housing which has an air outlet to which a duct is connected; and a damper unit which is inserted into and installed in the housing so as to open and close the air outlet, in which the damper unit includes: a damper knob which has a through hole into which a duct boss, which protrudes on the duct, is inserted, and one side surface connected to a damper, and drives the damper while being rotated; and a knob rubber which is made of rubber, covers a partial region of the damper knob, and extends to an inner surface of the through hole so as to be inserted into the through hole. | 01-29-2015 |
20150029739 | LAMP FOR VEHICLE - The present invention provides a lamp for a vehicle, including: a light source assembly in which a plurality of light sources, which produces a blue beam, is provided; and an upper substrate which is made of a transparent material that transmits light, is provided to cover upper portions of the light sources, and has one side surface on which a phosphor film is formed, and as a result, a dark zone on a beam pattern, which occurs due to a distance between the light sources in the lamp in which the plurality of light sources is mounted, may be eliminated. | 01-29-2015 |
20150028167 | CRASH PAD UPPER MOUNTING BRACKET - The present invention relates to a crash pad upper mounting bracket which is installed between an HVAC (heating, ventilation and air conditioning) to which a connecting duct of a vehicle is connected, and a crash pad, the crash pad upper mounting bracket including: a base which is installed at a lower side of the crash pad; and a mounting portion which protrudes from the base so as to press one region of the connecting duct. Accordingly, the crash pad upper mounting bracket presses the connecting duct so as to maintain airtightness between the HVAC and the connecting duct, thereby preventing deterioration in air conditioning performance. | 01-29-2015 |
20150025771 | APPARATUS AND METHOD FOR CORRECTING OFFSET OF YAW RATE SENSOR AND SYSTEM FOR CONTROLLING SPEED OF VEHICLE WITH THE SAID APPARATUS - The present invention suggests an offset correcting apparatus of a yaw rate sensor which corrects an offset of a yaw sensor in accordance with a status of a vehicle in a cruise control system, a method thereof, and a vehicle speed control system including the apparatus. | 01-22-2015 |
20150022381 | APPARATUS AND METHOD FOR RECOGNIZING POSITION OF VEHICLE - The present invention relates to an apparatus and method for recognizing a position of a vehicle to notify the position to a driver. The vehicle position recognizing apparatus includes a WiFi module configured to receive signals from a plurality of WiFi APs, a WPS module configured to measure RSSI values of the signals received by the WiFi module, and estimate a position of a vehicle, and a WPS correction controller configured to correct the RSSI values measured by the WPS module to recognize the position of the vehicle. | 01-22-2015 |
20150022143 | SMARTKEY OPERATING SYSTEM EQUIPPED WITH WIRELESS CHARGING FUNCTION AND OPERATING METHOD THEREOF - Provided are a smartkey operating system equipped with a wireless charging function and an operating method thereof, which controls performing of a wireless charging function equipped in a smartkey system, thereby preventing an overlap of frequencies even when there is an overlap section between a wireless charging operating frequency and a low frequency of the smartkey system. The smartkey operating system includes a switching unit configured to cut off or supply the wireless charging power, and a control unit configured to determine whether to cut off the wireless charging power to control the switching unit according to a current mode. When the current mode is a fob search mode, the control unit cuts off the wireless charging power by using the switching unit. | 01-22-2015 |
20150019096 | MOTOR INITIALIZATION METHOD AND APPARATUS FOR ELECTRIC BOOSTER BRAKE SYSTEM - A motor initialization method for an electric booster brake system may include: determining, by a control unit, whether a key on signal of a vehicle is inputted; turning on a warning light and determining a battery voltage state of the vehicle, when the key on signal is inputted; and performing a motor initialization mode according to the determined battery voltage state. | 01-15-2015 |
20150009698 | LAMP FOR VEHICLE AND VEHICLE HAVING THE SAME - A lamp for a vehicle is provided. The lamp includes an LED array in which a plurality of LEDs is aligned at the same position based on an illumination direction, an aspherical lens which is disposed in front of the LED array, and a plurality of reflectors on the plurality of LEDs so as to reflect light emitted from the LEDs to the aspherical lens, in which a distance from a rear end to a front end of the reflector based on the illumination direction becomes greater as the reflector is disposed farther away from an optical axis that passes through a focal point of the aspherical lens, and the lamp reduces an aberration so as to prevent a light blurring phenomenon. | 01-08-2015 |
20150008796 | ULTRASONIC SENSOR ASSEMBLY - Provided is an ultrasonic sensor assembly. The present invention simplifies an assembly structure of the ultrasonic sensor assembly, and thus enables a process of the ultrasonic sensor assembly to be performed as an automation process. | 01-08-2015 |
20150008299 | APPARATUS FOR OPERATING AVN MONITOR - An apparatus for operating an AVN (Audio, Video and Navigation) monitor for a vehicle may include a belt guider which is installed in an accommodation space of a dashboard and around which a belt, moving in a longitudinal direction of the belt guider, is wound, a guide rail fixed to the belt guider and extending in the longitudinal direction of the belt guider, a monitor hinge connected to the belt and engaged to the guide rail and an end of a connection bracket so as to move along the guide rail, wherein the connection bracket is connected to the AVN monitor, and a driving force transmission gear engaged with the belt to move the belt in the longitudinal direction. | 01-08-2015 |
20150008064 | EXTERNAL AIRBAG APPARATUS FOR VEHICLE - The present invention relates to an external airbag apparatus for a vehicle, including: an inflator; an airbag cushion which is deployed by gas flowing into the airbag cushion from the inflator; a separator which is disposed in the airbag cushion so as to separate an internal space of the airbag cushion into a plurality of chambers; and a vent hole which is formed in the airbag cushion so as to discharge gas flowing into the chamber to the outside. | 01-08-2015 |
20140377033 | STRUCTURE FOR RELEASE PREVENTING - The present invention relates to a fastening structure for release prevention, and more particularly, to a fastening structure for release prevention which may prevent a bolt and a nut from being released due to an external impact, and provides a fastening structure for release prevention including: a release prevention washer which is formed in a ring shape, and has a plurality of projections that protrudes on both surfaces of the release prevention washer in a radial direction from a center; and a nut which has a plurality of grooves that corresponds to the plurality of projections formed on the surfaces of the release prevention washer. | 12-25-2014 |
20140368636 | PARKING ASSISTANCE SYSTEM - A parking assistance system may include: an image obtaining unit including a plurality of cameras, and configured to obtain images at front, rear, left, and right sides of the vehicle; an image composing unit configured to compose the image and generate a composed image in a form of an around view; an image processing unit configured to generate a contour line image from the composed image; a parking line recognizer configured to extract parking lines from the contour line image and calculate a parking space through the detected parking lines; and a parking path generating unit configured to generate a parking path or a guide line of the vehicle based on the parking lines or the detected parking space, and provide the parking path or the guide line to a steering wheel controller for automatically controlling a steering wheel or a display unit for displaying the composed image. | 12-18-2014 |
20140368328 | VEHICLE STATE DISPLAY APPARATUS AND METHOD - A vehicle state display apparatus includes: a sensor unit configured to sense a state and information of a vehicle, including vehicle speed; a cluster control unit configured to receive the state and information of the vehicle, sensed by the sensor unit, and display the received state and information; an AVN (Audio-Video Navigation) control unit configured to receive the state and information of the vehicle from the cluster control unit; and an AVN display unit configured to display the state and information of the vehicle according to control of the AVN control unit. | 12-18-2014 |
20140364520 | COMPOSITION FOR PAINTING AND VARNISHING PARTS OF VEHICLE AND VARNISHING PARTS OF VEHICLE USING THE SAME - The present invention relates to a composition for painting and varnishing parts of a vehicle, including: 20 to 50 wt % of thermosetting resin; | 12-11-2014 |
20140358426 | MOBILE TERMINAL AND OPERATING METHOD THEREOF - Provided is a mobile terminal. The mobile terminal includes a receiving unit configured to receive GPS information from a GPS satellite, an acquisition unit configured to acquire sensing information from at least one of a speed sensor and a steering sensor of a vehicle connected through an external interface, a determination unit configured to determine whether the vehicle is positioned within at least one of a shadow area and a multi-path area using at least one of the GPS information and the sensing information, and a calculation unit configured to correct a current position coordinate value of the vehicle calculated from the GPS information using the sense information when the vehicle is determined to be positioned within the at least one area. | 12-04-2014 |
20140354037 | SOLENOID VALVE - A solenoid valve includes: a valve body; a plunger inserted into the valve body so as to reciprocate inside the valve body; a pump housing connected to the valve body and having an inlet and outlet formed therein; and a seat member mounted on the pump housing and changing the moving direction of fluid introduced through the inlet toward the plunger. | 12-04-2014 |
20140354036 | ELECTRONIC HYDRAULIC BRAKE DEVICE - Exemplary embodiments of the present invention relate to an electronic hydraulic brake device, including: a pedal cylinder configured to generate an oil pressure by a pressure of a pedal; a master cylinder configured to generate the oil pressure by sensing the pedal; wheel cylinders configured to be each mounted at a plurality of wheels and provide a braking force to the wheels; a storage configured to store a fluid; a mixing circuit configured to connect the pedal cylinder to some of the wheel cylinders, and communicate with the storage and the master cylinder; a master circuit configured to connect the master cylinder to the wheel cylinder and communicate with the storage; and a hydraulic compartment configured to connect the mixing circuit to the master circuit and limit a movement of the fluid. | 12-04-2014 |
20140352118 | DEVICE FOR ASSEMBLING AIRBAG COVER - A device for assembling an airbag cover according to the present invention includes: a mounting plate; and an airbag cover which covers the mounting plate, in which a hook portion is formed on the airbag cover, a fastening unit into which the hook portion is inserted, and an insertion member, which pushes the hook portion toward the fastening unit after the hook portion is inserted into the fastening unit, are formed on the mounting plate, and as a result, the airbag cover may be securely assembled to the mounting plate. | 12-04-2014 |
20140341467 | METHOD FOR BRIGHTNESS EQUALIZATION OF VARIOUS IMAGES - The present invention provides a method for brightness equalization of a plurality of images to equalize brightness when composing, into a single image, a plurality of images acquired from a plurality of cameras. | 11-20-2014 |
20140336879 | ACTIVE SEAT BELT APPARATUS AND METHOD - Provided is an active seat belt apparatus, including: a motor which is driven to fasten or unfasten an active seat belt; a motor driving unit which includes the motor and drives the motor; a current measuring unit which measures a value of a current of the motor driving unit in order to determine whether to perform or stop a belt parking function when the active seat belt is unfastened; and a control unit which sends a signal for performing the belt parking function to the motor when the value of the current measured by the current measuring unit is smaller than a limit current value and sends a signal for stopping the belt parking function to the motor when the value of the current measured by the current measuring unit is larger than the limit current value. | 11-13-2014 |
20140334672 | METHOD FOR DETECTING PEDESTRIANS BASED ON FAR INFRARED RAY CAMERA AT NIGHT - The present invention relates to a method for detecting a pedestrian based on a far infrared ray (IR) camera at night, which provides a method of receiving a thermal image of a pedestrian from a far IR camera, setting a candidate using a DoG filter having a robust characteristic against image noise, and accurately detecting the pedestrian using a classifier based on a behavioral characteristic of the pedestrian. | 11-13-2014 |
20140333455 | PARKING GUIDANCE METHOD FOR VEHICLE USING AROUND VIEW MONITOR - There is provided a parking guidance method for a vehicle, of displaying a guidance line for guidance of perpendicular, parallel parking in an AVM synthetic image to provide parking guidance. The method includes entering a parking support mode, displaying parking type information in the parking support mode to select a parking type, displaying a parking reference region or a parking reference line with regard to a parking target space in which the vehicle is to be parked depending on the parking type, displaying a parking alignment reference line when the vehicle travels at a relatively low speed and a steering angle thereof is changed by a threshold value or more, and guiding the vehicle to be aligned such that the parking alignment reference line coincides with a parking section line based on the parking reference region or the parking reference line. | 11-13-2014 |
20140333124 | INTEGRATED BRAKING SYSTEM - Disclosed is an integrated braking system including a hydraulic piston cylinder that is moved by a brake pedal, a pressure medium storage that is connected to the hydraulic piston cylinder, a pressure generating unit that is driven by a motor, and has two first and second hydraulic chambers that are divided by a piston within a housing, and a pressure control unit that transmits a pressure to a wheel unit from the hydraulic piston cylinder and the pressure generating unit. A hydraulic line connecting the first hydraulic chamber and the pressure medium storage is formed. | 11-13-2014 |
20140333051 | AIRBAG FOR VEHICLE - An airbag for a vehicle of the present invention includes: an inflator; and an airbag cushion, in which first and second slits are formed in the airbag cushion so as to be spaced apart at a predetermined distance, and one end of the inflator is inserted into the airbag cushion through the first slit, and then protrudes to the outside of the airbag cushion through the second slit, and as a result, the inflator is securely and conveniently coupled to the airbag cushion. | 11-13-2014 |
20140333018 | HYDRO BUSH - A hydro bush includes an outer pipe, an inner pipe, a rubber portion that is installed between the outer pipe and the inner pipe, and stoppers that are installed at both side ends. The hydro bush further includes a liquid chamber which is formed between the outer pipe and the rubber portion, and filled with a working fluid; and a flow path which is formed between the outer pipe and the rubber portion, and connected to the liquid chamber so as to guide the working fluid when the working fluid flows, in which the flow path includes a protruding portion which is formed to protrude inward. Accordingly, a flow distance of a working fluid flowing along the flow path may be increased without increasing a size of the hydro bush, thereby securing various dynamic characteristics. | 11-13-2014 |
20140332327 | BRAKE APPARATUS FOR VEHICLE - A brake apparatus for a vehicle includes: a wedge unit connected to a brake pad; a driving device coupled to the wedge unit so as to pressurize the wedge unit toward a brake disk; a piston supported by a caliper body and having a hydraulic chamber formed therein; a housing movably coupled to the piston, connected to the wedge unit, and moving the wedge unit toward the brake disk when oil is supplied to the hydraulic chamber; a sealing member disposed between an outer surface of the piston and an inner surface of the housing; and an elastic member disposed in the hydraulic chamber and pressurizing the housing toward the brake disk. | 11-13-2014 |
20140320262 | SMARTKEY SYSTEM AND OPERATING METHOD THEREOF - Provided are a smartkey system and an operating method thereof. The smartkey system reflects an intensity of RF noise, which is detected in a zone having strong RF noise, in a fob indoor/outdoor position determination reference, and thus can prevent a determination error in which the presence of a fob is determined despite there being no fob registered in a vehicle, and prevent an operational reaction to a user's request from becoming slow. | 10-30-2014 |
20140316642 | METHOD OF DETECTING SOLENOID VALVE FAILURE OF VEHICLE ELECTRIC BRAKE BOOSTER AND FAILURE DETECTING APPARATUS FOR IMPLEMENTING THE SAME - The present invention provides a method of detecting solenoid valve failure of a vehicle electric brake booster, the method including: a) driving the motor so that the piston moves forward until the piston closes at least the cut-off hole in a state in which the solenoid valve is locked; b) measuring pressure in the master cylinder in a state in which the piston is moved forward; c) determining whether the pressure in the master cylinder which is measured in step b) exceeds a predetermined reference value; and d) determining that the solenoid valve is in a failure state when the pressure in the master cylinder which is measured in step b) is the predetermined reference value or less, to detect failure of the solenoid valve only by a software control change, thereby providing an advantageous effect that secures braking safety. | 10-23-2014 |
20140315478 | AIR VENT DEVICE OF VEHICLE - The present invention relates to an air vent device of a vehicle, including: a damper door which adjusts a flow rate of air that is supplied to the interior of the vehicle; a knob which is provided to operate the damper door; and an operating member which connects the damper door and the knob, in which the operating member includes: a link portion connected to the damper door; a rod portion connected to the knob; and a connecting portion which is connected between the link portion and the rod portion, and is formed to be bent or rotated, in which the link portion, the rod portion, and the connecting portion are integrally formed by injection molding. | 10-23-2014 |
20140309837 | AUTOMATIC DRIVING CONTROL SYSTEM - Disclosed is an automatic driving control system including a road curvature calculating unit that receives shape information of a road ahead from a navigation to calculate curvatures of the road ahead, an optimum speed calculating unit that calculates optimum speeds on the basis of the curvatures of the road calculated by the road curvature calculating unit and selects speed control points, and a target acceleration calculating unit that receives information from the optimum speed calculating unit and calculates a target acceleration on the basis of the calculated optimum speeds and a current speed of a vehicle. | 10-16-2014 |
20140306435 | DIFFUSER POCKET FOR AIRBAG AND METHOD OF MANUFACTURING THE SAME - A diffuser pocket for an airbag according to the present invention includes: an insertion portion into which a tip portion of an inflator is inserted; and a gas discharging portion which guides and discharges high-pressure gas injected from the inflator to an airbag cushion, in which the insertion portion has front and rear insertion portions in which lower portions are folded and upper portions are sewn, and the gas discharging portion has front and rear gas discharging surfaces in which a left line is folded, and upper portions and left portions are sewed, thereby preventing damage due to high-temperature and high-pressure gas injected from the inflator. | 10-16-2014 |
20140306434 | AIRBAG FOR VEHICLE - The present invention relates to an airbag for a vehicle including: an inflator which discharges high-pressure gas; an airbag cushion which has a vent hole so as to discharge a part of the high-pressure gas; a vent hole cover which is installed to shield the vent hole; and an operating unit which allows the vent hole cover to shield the vent hole when a predetermined time has passed at the time of deploying the airbag cushion, and provides advantages in that the severity of a neck injury to an occupant is reduced, and regulation satisfaction by the United States New Car Assessment Program (US-NCAP) is improved. | 10-16-2014 |
20140301102 | MULTI-ARRAY LED CHIP FOR EMBODYING CUT-OFF LINE AND HEAD LAMP HAVING THE SAME - The present invention relates to a multi-array LED chip for embodying a cut-off line, and the multi-array LED chip includes: a plurality of LED modules which emits light; and at least one low beam LED module which emits light, in which the LED module and the low beam LED module are disposed to match a cut-off line, and the LED module and the low beam LED module are individually turned on and off such that a low beam is emitted. Accordingly, a direct type of light is emitted, and thus a low beam, which complies with regulations regarding the cut-off line, is embodied, and light efficiency does not deteriorate. | 10-09-2014 |
20140294025 | LASER DIODE MOUNTING SUBSTRATE FOR AUTOMOTIVE LAMP MODULE - Provided is a laser diode mounting substrate for an automotive lamp module using a laser diode. The substrate includes: a substrate body with a power supply circuit pattern, which electrically connects a connector with a contact point of the laser diode, on the top; a first heat conduction layer disposed at the area except for the power supply circuit pattern, on the top of the substrate body; and a second heat conduction layer disposed on the bottom of the substrate body, in which at least one heat transfer hole is disposed through the first heat conduction layer, the substrate body, and the second heat conduction layer. Therefore, the present invention provides an effect that heat generated by the laser diode can be effectively dissipated. | 10-02-2014 |
20140293631 | AUTOMOTIVE LAMP MODULE - An automotive lamp module includes a laser diode, a substrate with the laser diode on the top, a lower heat sink coupled to the bottom of the substrate, an upper heat sink coupled to the top of the substrate and having a light channel disposed through the upper heat sink and in which the laser diode is inserted, and a phosphor disposed in the light channel. Accordingly, it is possible to provide a simple configuration and a compact size and to effectively dissipate heat generated from the laser diode. | 10-02-2014 |
20140292117 | AXIAL FLUX PERMANENT MAGNENT - According to an aspect of the present invention, an axial flux permanent magnet motor includes: a stator assembly configured to produce magnetic flux in a rotating axis direction; and a housing assembly including a motor housing in which the stator assembly is accommodated, in which a first cooling groove is formed in an inner circumferential surface of the motor housing to be predeterminedly and circumferentially extended, a second cooling groove, which corresponds to the first cooling groove, is formed in an outer circumferential surface of the stator assembly so as to be predeterminedly and circumferentially extended, and the first and second cooling grooves meet together to form a cooling flow path for a flow of a coolant. | 10-02-2014 |
20140284904 | AIRBAG DOOR - Disclosed is an airbag door including: a panel which has tear lines, in which the tear lines include: a first tear line which is extended in a left and right direction of the panel; second tear lines which are extended from left and right end portions of the first tear line in an up and down direction of the panel, respectively; and third tear lines which are extended from upper and lower end portions of the second tear lines toward corners of the panel, respectively, thereby preventing an airbag from being torn by broken parts of the panel of the airbag door when the airbag is deployed. | 09-25-2014 |
20140283405 | PHASE CHANGE MATERIAL INJECTION DEVICE AND STRUCTURE FOR REMOVING MOISTURE OF HEAD LAMP WITH THE SAME - Disclosed is a phase change material injection device, which is disposed in a housing or a vehicle headlamp in which a predetermined heat source is provided. The phase change material injection device is configured to eject a phase change material, which has been changed into a gas from liquid by heating of the heat source, into the housing, and may include: i) a container storing the phase change material in a liquid state; ii) a discharge unit disposed at the container for discharging a predetermined amount of the phase change material in a gas state; and iii) a valve unit having an ejection port connecting the discharge unit with the inside of the housing, disposed at the container, the valve unit selectively opening and closing the ejection port based on the internal temperature of the housing. | 09-25-2014 |
20140188360 | LATERAL CONTROL APPARATUS OF VEHICLE AND CONTROL METHOD OF THE SAME - The present invention provides a lateral control apparatus including: an offset measuring unit that measures current lateral offsets of at least two other vehicles at a current time based on a center of a driving lane; a preview offset calculating unit that predicts a lateral offset of the other vehicle based on the center of the driving lane based on a location and a speed of the other vehicle at a time when a predetermined time has elapsed to calculate a preview offset; a priority determining unit that determines a priority of the other vehicles based on a difference between the lateral offset and the preview offset; and a controller that generates a route for lane keeping control of own vehicle based on the lateral offset of the other vehicle to which a top priority is assigned by the priority determining unit. | 07-03-2014 |
20140185307 | HEADLAMP FOR VEHICLE - A headlamp for a vehicle, includes: a lower lamp module configured to form a first beam pattern at a front close range region of the vehicle while being fixed; and an upper lamp module including an ADB (adaptive drive beam) lamp module and a low beam lamp module, which are rotatably installed at an upper portion of the lower lamp module, respectively, and configured to form a variable second beam pattern which is combined with the first beam pattern. Therefore, stable driving visibility may be secured at a region close to a driver, various beam patterns may be implemented, light blindness to a driver of an oncoming vehicle may be prevented, and thereby forward recognition of the driver and the opposite driver may be improved. | 07-03-2014 |
20140184246 | PASSENGER DETECTING SENSOR AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a passenger detecting sensor which is installed in a seat to detect whether a passenger is seated on a seat, and a method of manufacturing the same. A method of manufacturing a passenger detecting sensor includes printing corrosion preventive ink on aluminum bonded on a flexible panel in accordance with a pattern; forming an aluminum pattern by corroding the aluminum; cleaning the corrosion preventive ink on the aluminum pattern; and printing a carbon paste on the aluminum pattern. | 07-03-2014 |
20140183896 | MULTIBOX FOR VEHICLES - A multibox for vehicles includes a housing, a sliding plate, a cover and a knob unit. The housing has a receiving space for receiving articles. The sliding plate is disposed around the housing to translate forward and rearward by a force of a spring of the housing. The cover finishes a front surface of the receiving space of the housing and is supported on the sliding plate by a hinge structure though hinge arms thereof. The cover is rotated upward and downward by a force of a spring. The knob unit is disposed at one side of a front surface of the housing to lock or unlock the housing and the cover through a pushing operation. The multibox is opened and closed by translation of the sliding plate and rotation of the cover. | 07-03-2014 |
20140176304 | METHOD AND SMARTKEY SYSTEM FOR REDUCING BATTERY CONSUMPTION - Provided is a smartkey system for reducing battery consumption. The smartkey system in a sleep mode wakes up at every certain interval, and first checks whether there is a fob near a vehicle. Only when there is the fob near the vehicle, the smartkey system receives authentication information from the fob to authenticate the fob. Therefore, an authentication operation is not performed when there is no fob near the vehicle, and thus, a wakeup time is shortened, thereby reducing an amount of dark current consumed by the vehicle. Moreover, the wakeup time of the smartkey system is shortened, thus securing a time margin that enables an additional operation to be performed in the sleep mode. | 06-26-2014 |
20140175870 | ELECTRIC CURRENT DETECTION APPARATUS OF LOW VOLTAGE DC-DC CONVERTER FOR ELECTRIC VEHICLE - Disclosed is an electric current detection apparatus of a low voltage DC-DC converter for an electric vehicle, including: a low voltage DC-DC converter (LDC) which converts a voltage of an electric power source applied from a high voltage battery into a low voltage; a current transformer (CT) which is provided at a front terminal of a main voltage transformer to convert an electric current value of an input terminal of the main voltage transformer; and a calculation unit which calculates an electric current value of an output terminal of the main voltage transformer by receiving an output side electric current of the current transformer. The electric current detection apparatus may detect an output electric current of the low voltage DC-DC converter without using a high priced electric current sensor. | 06-26-2014 |
20140171548 | POLYOLEFIN-BASED THERMOPLASTIC ELASTOMER COMPOSITE AND COVER MATERIAL FOR AN AIR BAG USING SAME, AND AIR BAG MODULE USING THE COVER MATERIAL - The present invention relates to a polyolefin-based thermoplastic elastomer composition for a vehicle airbag cover, including a polypropylene-based resin, a denatured polypropylene resin, an ionomer resin, an olefin-based copolymer elastomer and a styrene-based copolymer elastomer, an airbag cover material using the composition, and an airbag module using the airbag cover material. | 06-19-2014 |
20140147267 | LOAD SUPPORTING STRUCTURE OF ELECTRIC BOOSTER TYPE BRAKE APPARATUS - A load supporting structure of an electric booster type brake apparatus, includes: a housing including a rear housing member and a front housing member so as to define a receiving space therein; a ball screw shaft rotatably installed in the receiving space of the housing; a rotor installed at one side of the ball screw shaft so as to transmit torque; a first bearing installed between the rear housing member and one side of the rotor and configured to support a radial direction load due to a hydraulic reaction force; and a second bearing installed between the front housing member and the other side of the rotor and configured to support an axial direction load due to a hydraulic reaction force. Therefore, the number of components and the thickness of the housing are reduced, and therefore weight reduction of the electric booster type brake apparatus may be implemented. | 05-29-2014 |
20140132058 | IN-WHEEL MOTOR SYSTEM - Disclosed is an in-wheel motor system including: an in-wheel motor mounted inside a wheel and generating a driving force; an oil pump provided adjacent to the in-wheel motor and supplying cooling oil into the in-wheel motor; and an oil tank provided under the in-wheel motor and collecting cooling oil discharged from the in-wheel motor, wherein the oil pump and the oil tank are arranged at a lower end of the in-wheel motor and between the in-wheel motor and a steering tie-rod in a longitudinal direction of a vehicle so as to be located at a more inner position than a knuckle in a widthwise direction of the vehicle. In the in-wheel motor system, the oil tank and the oil pump may be efficiently arranged to minimize the size of the oil tank and to improve the cooling performance. | 05-15-2014 |
20140130944 | AlMgSi-BASED ALUMINUM ALLOY HAVING HIGH MACHINABILITY, MANUFACTURING METHOD THEREOF AND AUTOMOTIVE PARTS MANUFACTURED THEREFROM - The present invention relates to an AlMgSi-based aluminum alloy comprising 1.0-1.4 wt % of silicon (Si), 0.70-0.85 wt % of magnesium (Mg), 0.8-1.20 wt % of tin (Sn), 0.01-0.4 wt % of manganese (Mn), 0.001-0.50 wt % of iron (Fe), 0.01-0.10 wt % of copper (Cu), 0.01-0.25 wt % of chromium (Cr), 0.01-0.20 wt % of zinc (Zn), and the balance of unavoidable impurities and aluminum (Al), and to a manufacturing method thereof. | 05-15-2014 |
20140129084 | CONTROL APPARATUS OF VEHICLE FOR CHANGING LANE AND CONTROL METHOD OF THE SAME - Provided is a control apparatus of a vehicle for changing a lane, including: a target lane generator configured to generate a target lane; a target distance generator configured to generate a target distance; a circular trace generator configured to generate a circular trace passing a current point of a vehicle and a point on a center line of the target lane spaced by the target distance based on the vehicle, and having a driving direction of the vehicle as a tangential direction in real time; and a steering controller configured to calculate a target rate and a target steering angle so as for the vehicle to follow the generated circular trace, thereby providing an advantageous effect of preventing a sense of steering difference and a pulling phenomenon of the vehicle when changing a lane. | 05-08-2014 |
20140129078 | ACTIVE AIR FLAP APPARATUS FOR VEHICLE AND DEFECT DIAGNOSIS METHOD THEREOF - An active air flap apparatus for a vehicle may include a drive flap positional sensor connected with a drive shaft connecting an actuator and a drive flap and detecting a rotational angle of the drive flap, a driven flap pivotally connected with the drive flap through a link mechanism, a driven flap positional sensor connected with a driven shaft pivotally connected with the link member and detecting a rotational angle of the driven flap, and a controller determining whether the drive flap positional sensor, the driven flap positional sensor, a motor of the actuator, and the link member may be defective by monitoring a feedback voltage value of the drive flap positional sensor, a feedback voltage value of the driven flap positional sensor, and a current applied to the motor of the actuator. | 05-08-2014 |
20140105464 | PARKING ASSIST APPARATUS AND PARKING ASSIST METHOD AND PARKING ASSIST SYSTEM USING THE SAME - Disclosed are a parking assist apparatus, a parking assist method capable of more accurately recognizing a parking space and identifying and recognizing obstacles using a three-dimensional flash Lidar and a parking assist system using the same. The parking assist apparatus according to an exemplary embodiment of the present invention includes: an information unit acquiring information collected by using a three-dimensional flash Lidar; and a determination unit determining at least any one of a parking space and presence and absence of obstacles using the information acquired by the information unit. | 04-17-2014 |
20140085067 | APPARATUS FOR TIRE PRESSURE MONITORING, INFORMATION TRANSMISSING METHOD THEREOF AND INTERGRATED RECEIVER SYSTEM - Provided are a tire pressure monitoring device, an information transmitting method thereof, and an integrated receiver system. A tire pressure monitoring device according to an aspect of the present invention includes a first sensing unit sensing a pressure of a tire, a second sensing unit detecting whether a vehicle is driving by sensing at least one of acceleration, motion, and shock, and a calculation unit transmitting, to an integrated system of the vehicle, pressure information of the tire at a first data transfer rate corresponding to a data transfer rate of a body control module or a smart key system when the second sensing unit detects that the vehicle is not driving. | 03-27-2014 |
20140078689 | CARD KEY FOR VEHICLE AND MAKING METHOD OF THE SAME - Provided are a vehicle card key and a method of manufacturing the same. The vehicle card key is used to lock/unlock a vehicle door or start an engine in wireless communication with a vehicle. The vehicle card key includes a lower cover, a circuit board stacked on and coupled to a top of the lower cover, and an upper cover coupled to the lower cover as one body to cover an upper side of the circuit board. The lower cover and the upper cover are formed of a thermo-hardening resin. | 03-20-2014 |
20140077479 | AIRBAG HOUSING FOR VEHICLE AND MANUFACTURING METHOD THEREOF - An airbag housing for a vehicle and a manufacturing method thereof may include a main body receiving an airbag configured to expand upon collision of the vehicle and an inflator expanding the airbag, and including an end being open such that expansion of the airbag spreads in one direction, and a door portion coupled with the main body at the end of the main body to form a closed space therebetween in which the airbag and the inflator may be disposed, wherein the door portion may be open by the expansion of the airbag, wherein the door portion may be formed by combining a stiffness portion with a ductile portion, a ductility of which may be higher than a ductility of the stiffness portion. | 03-20-2014 |
20140063830 | LIGHTING APPARATUS FOR VEHICLE AND MANUFACTURING METHOD FOR THE SAME - A lighting apparatus for a vehicle may include a flexible printed circuit board of which at least one lighting source may be mounted on an upper surface of the flexible printed circuit board, and a cover which may be made of flexible material, and connected on the printed circuit board for the at least one lighting source to be disposed within the cover, wherein the cover distributes a light emitted from the at least one lighting source to an upper direction of the cover. | 03-06-2014 |
20140055255 | TIRE PRESSURE MONITORING APPARATUS AND METHOD - Provided are an apparatus and method for monitoring tire pressure, and in particular, a method of identifying a position of a TPM sensor attached to a tire using tooth data of ABS. The apparatus identifies the position of the TPM sensor using a point where tooth data of ABS has a variation different for each wheel, by estimating wheel tooth data from wheel position angle information measured by a rotation sensor of the TPM sensor, comparing the actual measured value with the estimated value, and recognizing that the TPM sensor is attached to a tire where the actual measured value is the same as or closest to the estimated value. | 02-27-2014 |
20140048688 | OBJECT DETECTION APPARATUS AND METHOD FOR VEHICLE - Provided is an object detection apparatus using a general camera sensor for adjusting detection sensitivity to an object (pedestrian or animal) even in an urban area in which the scattered reflection of a light source is severe. The object detection apparatus overcomes the limitations of a related art object detection apparatus using a thermal imaging camera which is incapable of adjusting detection sensitivity to an obstacle (pedestrian or animal) in an urban area in which the scattered reflection of a light source is severe. | 02-20-2014 |
20140043844 | MOISTURE GENERATION PREVENTING STRUCTURE OF VEHICLE HEAD LAMP - A moisture generation preventing apparatus of a vehicle head lamp, may include a phase change material (PCM) unit mounted in a housing of the vehicle head lamp having a lens mounted at a front end portion of the housing to prevent moisture from being generated in the lens when an internal temperature of the head lamp drops below a predetermined degree, wherein the PCM unit sprays gaseous phase change material (PCM) to an inner portion of the head lamp. | 02-13-2014 |
20140043153 | TIRE LOCATION INFORMATION TRANSMITTING APPARATUS AND METHOD - Provided are an apparatus and method for transmitting information on a location of a tire with information on pressure of the tire. The present disclosure provides logic for calculating rotation angles among a plurality of magnetic field samples obtained from a geomagnetic sensor, calculating rotational directions, and determining the left/right locations of the tire on the basis of the number of times of accumulation of the rotational directions. | 02-13-2014 |
20140039760 | REAR CAMERA SYSTEM FOR VEHICLE HAVING PARKING GUIDE FUNCTION AND PARKING GUIDE SYSTEM USING THE SAME - Provided are a rear camera system for vehicles and a parking guide system using the same, which displays the minimum width and maximum width of a parking area guideline in consideration of the dimensions of a vehicle in displaying a parking area, and displays a stop position in backing. The parking guide system includes a camera mounted on a vehicle, a display unit disposed inside the vehicle, and a parking guide control unit connected to the camera and the display unit. The parking guide control unit includes a parking logic operation unit receiving a steering angle, a speed, or a parking mode from the vehicle, a parking area guideline display unit displaying a guideline for parking guide on the basis of the result of the logic operation, and an image synthesizer synthesizing the results, displayed by the parking area guideline display unit, and an image obtained by the camera. | 02-06-2014 |
20140036063 | AROUND VIEW MONITOR SYSTEM AND MONITORING METHOD - The present disclosure relates to an around view monitor (AVM) system that provides image information on the ambient conditions of a vehicle to a driver. In displaying a top-view image in which the front, rear, left, and right conditions of a vehicle are seen downward from a portion over the vehicle, an AVM system and method checks a driving state or driving direction of the vehicle on the basis of information received from sensors and elements included in the vehicle, and outputs the top-view image which is suitably edited depending on the driving conditions, thereby providing information necessary for driving to a driver. | 02-06-2014 |
20140022052 | APPARATUS AND METHOD FOR CONTROLLING AUTOMATIC OPENING OF TRUNK - Provided are an apparatus and method for controlling automatic opening of a vehicle's trunk through wireless communication between a fob key for the vehicle and a bumper LF antenna disposed in the rear of the vehicle. The apparatus controls the trunk so as to be automatically opened through communication with the bumper LF antenna on the basis of the position of the fob key and the number of receptions of an RF signal, when a fob key holder approaches the trunk for opening the trunk. Alternatively, a sensor module is attached near the trunk (particularly, a lower end center of a rear bumper) and determines whether there is the fob key, thereby allowing the trunk to be automatically opened when a sensing signal is inputted by simple movement. | 01-23-2014 |
20140015382 | IN-WHEEL MOTOR AND IN-WHEEL DRIVING DEVICE - An in-wheel motor includes: a motor rotor installed inside a wheel of a vehicle; and a plurality of motor stators installed on the circumference of the motor rotor so as to be separated from each other, and forming magnetic fields to rotate the motor rotor. | 01-16-2014 |
20130336120 | CONGESTION CONTROL DEVICE AND METHOD FOR INTER-VEHICLE COMMUNICATION - The present invention relates to a vehicle communication system and method used when transmitting and receiving driving information of a vehicle to and from surrounding vehicles. According to the present invention, a host vehicle may transmit and receive driving information to and from its surrounding vehicles to find out information about a position, a speed, a driving direction, etc., thereby decreasing traffic accident risk. However, transmission and reception of the driving information may not be smoothly performed depending on surrounding communication conditions. The present invention provides a communication congestion control device and method for smoothly performing data transmission and reception between vehicles depending on surrounding conditions, by setting a time frame variably depending on surrounding communication conditions and transmitting data on the basis of the changed time frame. | 12-19-2013 |
20130332029 | METHOD AND APPARATUS FOR CONTROLLING FAILURE OF MOTOR-DRIVEN POWER STEERING SYSTEM - A method and apparatus of controlling failure of a Motor-Driven Power Steering (MDPS) system may include monitoring a first torque sensor signal and a second torque sensor signal detected by a torque sensor, performing a safety mode operation in which control of the MDPS may be performed such that when a fault signal of the first torque sensor signal or the second torque sensor signal may be detected, the MDPS may be controlled to decrease a steering assist power, and performing a manual mode operation in which control of the MDPS may be performed such that when a fault signal of a remaining torque sensor signal out of the first and second torque sensor signals, which was not detected during the safety mode operation, may be detected, the MDPS may be controlled to completely lose the steering assist power. | 12-12-2013 |
20130328509 | METHOD FOR OPERATING MOTOR OF MOTOR-DRIVEN POWER STEERING - A method for operating a motor of a motor-driven power steering (MDPS) includes: generating, by an inverter operating unit, a two-phase operation command by projecting a Q-axis command onto a two-phase operation axis, when an error occurs in any one of three phases; converting, by the inverter operating unit, coordinates of the two-phase operation command into an actual operation axis; calculating, by the inverter operating unit, a two-phase operation voltage by performing proportional integral (PI) control on the two-phase operation command converted into the actual operation axis; and operating, by the inverter diving unit, a motor by applying the two-phase operation voltage to an inverter unit. | 12-12-2013 |
20130322783 | IMAGE COMPOSING APPARATUS OF AROUND VIEW MONITOR SYSTEM FOR CHANGING VIEW MODE EASILY AND METHOD THEREOF - Provided are an image composing apparatus of an around view monitor system for changing a view mode easily and a method thereof. According to the apparatus and method, images are composed by using a look up table including records in which color representation information or coordinate information of input images is recorded for each screen output pixel and the composed image is outputted to a display device. Accordingly, the view mode can be freely configured by changing the look up table without changing the design of image composing logic. | 12-05-2013 |
20130322310 | TELEMATICS COMMUNICATION SYSTEM AND METHOD - A communication system included in a telematics unit is provided. A GPIO communication port connects a plurality of communication modules included in the telematics unit, and thus enables each of the communication modules to transmit/receive data depending on the data transmission/reception state of the other communication module. Accordingly, provided are a telematics communication system and method that prevents a data transmission/reception speed from being reduced due to frequency interference between the plurality of communication modules. | 12-05-2013 |
20130322103 | VEHICLE LAMP - Disclosed is a vehicle lamp, including a reflector reflecting light of a light guide, wherein the reflector includes a first reflection surface and a second reflection surface forming an inner circumferential surface, together with at least a part of a light emitting surface of the light guide and the inner circumferential surface is converged in a direction opposite to an irradiation direction to form a convergent point. By this configuration, it is possible to reduce manufacturing costs and manufacturing man hour of the vehicle lamp while increasing aesthetic appearance of the vehicle. | 12-05-2013 |
20130321630 | SYSTEM AND METHOD FOR LANE DEPARTURE WARNING - A lane departure warning system and method are provided. The lane departure warning system includes a camera, a tunnel recognition module, a virtual lane module, and a determination/warning module. The camera captures a front image of a vehicle. The tunnel recognition module determines whether a current position of the vehicle is in a tunnel section, using the front image captured by the camera. The virtual lane module determines whether two or more lanes are detected from the front image when the current position is in the tunnel section and, when only one lane is detected, generates a virtual lane at a position corresponding to the one lane using a pre-calculated road width. The determination/warning module determines whether the vehicle departs from a lane, using the one lane and the virtual lane or the two or more lanes detected, and warns of lane departures accordingly. | 12-05-2013 |
20130317719 | CONTROL SYSTEM AND METHOD FOR STOPPING VEHICLE - Provided are a control system and method for stopping a vehicle, which reduce jerk when a vehicle controlled by an SCC system is stopped by the SCC system without a driver's manipulation. A desired target stop distance between a controlled vehicle and a front vehicle is set. Proposed is a formula for calculating a target acceleration in which a jerk is not caused when the target stop distance is maintained and then the controlled vehicle stops. By controlling the stop of the controlled vehicle according to the acceleration that has been calculated with the formula, the controlled vehicle is stopped without the occurrence of a jerk. | 11-28-2013 |
20130317698 | LANE KEEPING ASSIST SYSTEM AND METHOD - The present disclosure relates to a lane keeping assist system for controlling a vehicle on the basis of traveling information and road information of the vehicle when the vehicle begins to leave its lane in order to prevent the vehicle from deviating from its lane, which is a system for assisting the vehicle in keeping the lane by generating multiple target routes each being a path for the vehicle to travel without deviating from the lane, calculating a target yaw rate for each target route, and controls the vehicle according to a target steering angle calculated using the target yaw rate. | 11-28-2013 |
20130313789 | GASKET MOUNTED BETWEEN POWER MODULES FOR SEPARATING COOLANT PASSAGE - Disclosed herein is a gasket mounted between power modules for separating a coolant passage, the gasket is inserted between an upper power module formed with a cooling passage on a lower surface thereof and a lower power module formed with a cooling passage on an upper surface to seal coupling surfaces of the upper power module and the lower power module, wherein a circumference of an upper surface of the gasket is closely attached on the lower surface of the upper power module, a circumference of a lower surface of the gasket is closely attached on the upper surface of the lower power module, and the cooling passage of the upper power module and the cooling passage of the lower power module are separated up and down by the gasket. | 11-28-2013 |
20130311049 | HEAD LAMP APPARATUS OF AUTOMOBILE AND METHOD OF CONTROLLING THE SAME - A head lamp apparatus of an automobile and a method of controlling the same light a curved road by rotating one of a left DBL and a right DBL to the left or right according to a relative distance reflecting a driving speed of the automobile, not an absolute distance from a driving position of the automobile before the automobile enters the curved road on a driving path. | 11-21-2013 |
20130300232 | METHOD OF BINDING STATOR COILS OF MOTOR - A method of making an electric motor includes installing a plurality of hairpin coils in a plurality of slots, wherein the plurality of hairpin coils comprise a first hairpin coil and a second hairpin coil, the first hairpin coil comprising a first end and the second hairpin coil comprising a second end. The method further includes inserting the first and second ends into a void of an electrically conductive coupler to electrically connect the first and second ends; and placing the insulation cap over the coupler so as to protect the coupler from contacting other electric conductive materials. | 11-14-2013 |
20130297150 | CONTROL METHOD OF WHEEL ALIGNMENT APPARATUS USING MOTOR DRIVEN POWER STEERING - The present invention relates to a control method of a wheel alignment apparatus using an MDPS, which determines whether or not to cancel center alignment control due to a trouble or error is preferentially determined prior to each control step and then performs control when wheels of a vehicle having an MDPS mounted therein are aligned, such that the trouble or error is preferentially considered in the control priority, thereby increasing driver's convenience and improving safety performance for protecting the driver. | 11-07-2013 |
20130294615 | POP-NOISE REMOVING METHOD - Provided is a pop-noise removing method. The pop-noise removing method analyzes an acoustic noise, occurring when receiving digital broadcasting under a weak electric field environment, and reduces a pop-noise on the basis of the analyzed result, for transferring digital broadcasting with a minimized pop-noise to consumers. Accordingly, an output of the pop-noise of digital broadcasting can be minimized | 11-07-2013 |
20130278404 | METHOD AND APPARATUS FOR DISPLAYING ENERGY FLOW IN HYBRID VEHICLE - Provided are a method and apparatus for displaying energy flow in a hybrid vehicle. The present invention adds a function, which displays breakdown and abnormal state information on modules and is not provided by an energy flow displaying function of the existing hybrid vehicle, to the energy flow displaying function, thus removing inconvenience of the existing energy flow displaying function that cannot check information on breakdown and abnormal states of a vehicle. | 10-24-2013 |
20130215630 | CONTROL APPARATUS AND METHOD OF VEHICULAR LAMP - Disclosed is a control method of a vehicular lamp, including: judging reliability of a camera; sensing whether there is an oncoming vehicle from an opposite lane by using the camera; moving an optical axis to an opposite side to the vehicle when the vehicle is sensed; and forming an 'L'-shaped beam pattern. | 08-22-2013 |
20130148370 | INDIRECT ILLUMINATION DEVICE FOR VEHICLE - An indirect illumination device for a vehicle may include an internal panel forming a diffusion portion in a surface thereof, a light guide plate faced with the diffusion portion, a light source provided in a side portion of the light guide plate to which the light guide plate may be not faced with the diffusion portion, to irradiate light to an inside of the light guide plate, and an external panel provided with guide ribs protruding from a surface of the external panel, wherein the guide ribs support a lateral side of the internal panel and the light guide plate. | 06-13-2013 |
20130147619 | METHOD OF DETERMINING FAILURE OF ACTIVE AIR FLAP - A method of determining a failure of an active air flap, including determining whether or not an active air flap is in a non-openable state, if the active air flap is in the non-openable state, continuously checking a variation of the temperature of engine-cooling water, and if the variation is below a reference variation, interrupting the generation of failure-alert, and if the variation of the temperature of engine-cooling water is above the reference variation, processing whether to generate the failure-alert such that if the time taken to reach the variation is above a reference temperature time, interrupting the generation of failure-alert, and if the time is below the reference temperature time, generating the failure-alert. | 06-13-2013 |
20130120572 | PARKING ASSISTANCE SYSTEM USING PROJECTOR AND METHOD THEREOF - A parking assistance system using a projector and a method thereof are provided. The parking assistance system includes a projector, a capture module, and a control unit. The projector projects an image to outside a vehicle. The capture module captures a projection region of the projector. The control unit controls the projector to illuminate the projection region, and controls a screen output of an image captured by the capture module. | 05-16-2013 |
20130103261 | METHOD FOR GENERATING REQUEST COMMAND OF WHEEL ALIGNMENT APPARATUS USING MOTOR-DRIVEN POWER STEERING - The present invention relates to a method for generating a request command of a wheel alignment apparatus using a motor-drive power steering (MDPS). After a vehicle having the MDPS mounted therein is parked, a steering angle is detected, and an MDPS motor is controlled through a request command of a motor angular velocity to align a wheel with the center. | 04-25-2013 |
20130094232 | LAMP DEVICE FOR VEHICLE - Disclosed is a lamp device for a vehicle, which includes: a lens disposed on a first optical axis extending to a front and a rear of the vehicle; a main reflector disposed at a rear side of the lens, reflecting light frontward, and including a first focus on the first optical axis; a light source disposed on the first focus, and emitting light; a lower sub reflector disposed below the light source, upwardly reflecting the light, and including a first focus on a point at which the first optical axis and a second optical axis extending above and below the vehicle intersect; an upper sub reflector disposed above the light source, and frontwardly reflecting the light reflected by the lower sub reflector; and a shield plate disposed between the lens and the light source, and disposed to correspond to a second focus of the main reflector. | 04-18-2013 |
20130074491 | Sub Master Cylinder and Brake Apparatus Having The Same - A sub master cylinder includes a body formed with a chamber in which oil is stored; a first sub piston having one end which is secured to one end of the body and the other end which extends toward the other end of the body and is disposed to cross the chamber; and a second sub piston disposed between an inner surface of the body and an outer surface of the first sub piston to be moved in the chamber. | 03-28-2013 |
20130026889 | POP-UP MONITOR WITH OBSTACLE SENSING FUNCTION - A pop-up monitor with an obstacle sensing function is provided. The pop-up monitor includes a body housing and a monitor frame which is installed to move in a vertical direction with respect to the body housing. The pop-up monitor includes a driving unit, a sensor, and a controller. The driving unit includes a motor, a rotational shaft, and a gear set which transfers a rotational motion of the motor to the rotational shaft. The sensor outputs a sensing signal for whether the rotational shaft rotates. The controller outputs a control signal for a rotational direction of the motor according to the sensing signal and state information regarding whether the motor rotates. | 01-31-2013 |
20130025393 | DOUBLE RACK GEAR STRUCTURE FOR SUPPORTING POP-UP MONITOR - A gear structure for supporting a vertical motion of an electric pop-up monitor is provided. More specifically, a double rack gear structure for supporting a pop-up monitor is disclosed. The rack gear structure includes an outer gear and an inner gear. The outer gear is coupled at a side of the monitor frame to operate integrally with the monitor frame, and enables the vertical motion of the monitor frame with an ascending or descending motion. The inner gear is received inside the outer gear. The inner gear performs an ascending or descending motion simultaneously with the outer gear, and supports forward and rearward or right and left shaking, which occurs in the outer gear, by maximizing a portion overlapping with the outer gear when the outer gear has ascended to the maximum. | 01-31-2013 |
20130025392 | POP-UP MONITOR WITH DOUBLE RACK GEAR STRUCTURE - A pop-up monitor is provided. A pop-up monitor with a double rack gear includes a driving unit, a rack gear set, and a monitor frame. The driving unit includes a spur gear set having first and second spur gears, and generates first and second rotational motions with the first and second spur gears. The rack gear set includes an outer gear with a rail groove in one surface thereof along, changing the first rotational motion to a first rectilinear motion, and an inner gear with a rail rail-coupled to the rail groove changing the second rotational motion to a second rectilinear motion. The monitor frame includes a support frame supporting a monitor. The monitor frame is fixed by the inner gear which vertically ascends by the second rectilinear motion without forward and rearward movement when the support frame has vertically ascended to a position according to the first rectilinear motion. | 01-31-2013 |
20130024083 | MOTOR-DRIVEN BOOSTER TYPE BRAKE SYSTEM AND METHOD THEREOF - The present disclosure provides a motor-driven booster type brake system and method thereof. The brake system includes a pedal force sensor for detecting pedal force of a driver applied to a brake pedal, a master cylinder delivering hydraulic pressure to wheel brakes, a booster delivering multiplied force to the master cylinder using a motor, and an ECU controlling the motor based on a detection value of the pedal force. In the brake system, the ECU controls the motor based on hydraulic pressure delivered from the master cylinder to the wheel brakes if an ABS mode is not activated, and controls the motor by maintaining an electric current input to the motor to be within a preset range of electric current if the ABS mode is activated. | 01-24-2013 |
20120329344 | WIRE CONNECTING DEVICE FOR HYBRID VEHICLE - Disclosed is a wire connecting device for a vehicle, preferably a hybrid vehicle, including six individual bus bars for connecting two 3-phase AC sub-devices to a main device, in which the bus bars are divided in to a first unit terminal unit and a second unit terminal unit each composed of a U-pole bus bar, a V-pole bus bar, and a W-pole bus bar, predetermined ends of the U-pole bus bar, the V-pole bus bar, and the W-pole bus bar of the first unit terminal unit bend to a side, and predetermined ends of the U-pole bus bar, the V-pole bus bar, and the W-pole bus bar of the second unit terminal unit bend to the other side. | 12-27-2012 |
20120300485 | HEADLAMP APPARATUS FOR VEHICLE - The present disclosure relates to a headlamp apparatus for vehicles. The headlamp apparatus includes a light emitting diode (LED) light source located at a first focal point and emitting light, a reflecting member surrounding the LED light source and reflecting light emitted from the LED light source, a lens unit disposed in front of the LED light source and allowing light to pass therethrough, a cooler disposed under the LED light source to cool the LED light source and having a leading end located behind a second focal point, a shielding part rotatably disposed at the second focal point between the LED light source and the lens unit within a lamp housing, and a drive unit connected to the shielding part to rotate the shielding part. | 11-29-2012 |
20120298432 | IN-WHEEL DRIVE APPARATUS - The present disclosure provides an in-wheel drive apparatus. The apparatus includes a motor housing open at one side thereof, a motor unit mounted within the motor housing, and a rear cover coupled at one side thereof to the motor housing to close the open side of the motor housing and coupled at the other side thereof to a trailing arm. The rear cover includes a planar section constituting an outer peripheral surface of the rear cover; and a cover recess connected to an inner peripheral surface of the planar section to be integrally formed with the planar section and depressed from the planar section towards the rotor to form a recess to which the trailing arm is coupled. | 11-29-2012 |
20120265404 | Cooperative Control Apparatus of Motor Driven Power Steering Apparatus For Smart Parking Assistant System - The present invention relates to a cooperative control apparatus of a motor driven power steering apparatus for a smart parking assistant system (SPAS). The cooperative control apparatus may relieve excessive response of the motor driven power steering apparatus even through an excessive required steering angle is inputted from the SPAS, prevent damage of the motor driven power steering apparatus by controlling the motor driven power steering apparatus through a motor angular speed, reduce vibration, and improve steering performance with high control precision regardless of external disturbance. | 10-18-2012 |
20120235851 | ALIGNMENT METHOD AND SYSTEM FOR RADAR OF VEHICLE - A vertical alignment method for a radar of a vehicle includes the steps of radiating radio wave to a forward ground by a radar which is installed on the vehicle; receiving reflected wave which is reflected from the ground; and determining whether or not a vertical misalignment of the radar occurs, based on the reflected wave. | 09-20-2012 |
20120226416 | SYSTEM AND METHOD FOR PREVENTING STEERING PULL IN VEHICLE - A system for preventing a steering pull in a vehicle includes: a sensor unit configured to generate at least one sensing value for at least one of a steering torque, a steering angle, a vehicle speed and a yaw rate of a vehicle; an ECU configured to determine whether or not the vehicle is in a straightforward driving state, based on a predefined straightforward driving state determination criterion by using the at least one sensing value provided from the sensor unit, determine whether or not a steering pull occurs in the vehicle, based on a predefined steering pull determination criterion when it is determined that the vehicle is in the straightforward driving state, and compensate for the steering torque of the vehicle when it is determined that the steering pull occurs in the vehicle; and a motor driving unit configured to generate steering power under the control of the ECU. | 09-06-2012 |
20120194002 | DEVICE FOR GENERATING TORSIONAL ELECTROMAGNETIC WAVE AND ELECTRIC POWER SYSTEM EMPLOYING THE SAME - A device for generating a torsional electromagnetic wave and an electric power system employing the same are disclosed. In accordance with the present invention, since the device for generating the torsional electromagnetic wave is electrically isolated from a power source unit providing a power source to a load, the device can be used regardless of the power supply system such as a single-phase electric system and a tri-phase electric system, and may be reduce power consumptions of devices using an induction motor such as an air conditioner and a refrigerator. | 08-02-2012 |
20120161545 | APPRATUS AND METHOD FOR IMPROVING POWER EFFICIENCY - An apparatus and a method for improving a power efficiency are disclosed. In accordance with the present invention, since the apparatus for improving a torsional electromagnetic wave is electrically isolated from a power source unit providing a power source to a load, the apparatus can be used regardless of the power supply system such as a single-phase electric system and a tri-phase electric system, and may be reduce power consumptions of devices using an induction motor such as an air conditioner and a refrigerator. | 06-28-2012 |
20120127309 | OBJECT RECOGNITION SYSTEM, AND OBSTACLE RECOGNITION SYSTEM AND METHOD FOR VEHICLE - Provided is an object recognition system. The object recognition system recognizes an object in an ROI of a source image. The object recognition system includes an image change unit and an ROI detection unit. The image change unit receives the source image, and changes the object into an edge image which is represented as an edge line. The ROI detection unit divides the edge image into a plurality of regions, compares a total sum of edge component values of an edge line included in each of the regions and a predetermined threshold value by regions, and detects a region, in which the total sum of edge component values is greater than the threshold value, as the ROI from among the plurality of regions. | 05-24-2012 |
20120126514 | PASSENGER AIR-BAG DOOR - The present disclosure provides a passenger air-bag door. The passenger air-bag door includes a chute frame located in an instrument panel, a door plate located in an opening of the chute frame, and a hinge part rotatably connecting the door plate to the chute frame and comprising a scrim. | 05-24-2012 |
20120118681 | INITIALIZING METHOD OF BRAKE-BY-WIRE SYSTEM IN VEHICLE - A brake-by-wire system uses a time sequence type that determines road conditions before initialization, initializes EWBs (Electro Wedge Brake) at the left/right front wheels and EMBs (Electro Mechanical Brake) at the left/right rear wheels with time differences on the basis of the determined road conditions. Therefore, the clamping force in at least any one of the EWBs and the EMBs is maintained in any circumstances, thereby avoiding a situation that all the braking force of a vehicle is removed. | 05-17-2012 |
20120007345 | KNEE AIRBAG APPARATUS - Provided is a knee airbag apparatus including an airbag cushion that develops upward without sagging downward to protect the passenger's knee. | 01-12-2012 |
20110320099 | BRAKING CONTROL SYSTEM AND METHOD FOR VEHICLE - Provided are a braking control system for a vehicle which is controlled in a priority order, and a method of the same. In more detail, the present invention relates to a braking control system for a vehicle equipped with an electronic brake at each wheel, in which the braking control system includes: a first control unit controlling the operation of a first electronic brake mounted at a front-left wheel and a second electronic brake mounted at a front-right wheel in response to braking signals; and a second control unit controlling the operation of a third electronic brake mounted at a rear-left wheel and a fourth electronic brake mounted at a rear-right wheel in response to the braking signals. In this configuration, when a fail occurs in any one of the first and second control units, the other control unit selectively controls at least one or more of the first to fourth electronic brakes, in accordance with predetermined logic. | 12-29-2011 |
20110295478 | METHOD OF CONTROLLING ELECTRIC PARKING BRAKE - A method of controlling an electric parking brake of a vehicle includes calculating a desired braking force based on the vehicle condition at an instruction of applying a braking force, and starting a braking motor of the electric parking brake. The method further includes determining whether a braking force is increasing by measuring current applied to the braking motor, calculating a braking correction value based on the measured current when determined that a braking force is not increasing, calculating a load torque based on the braking correction value and the measured current when determined that a braking force is increasing, and stopping the braking motor when the load torque is greater than the desired braking force. | 12-01-2011 |
20110221453 | OCCUPANT CLASSIFYING DEVICE FOR AN AUTOMOBILE - Provided is an occupant classifying device which can detect an occupant sitting on a seat by a change in an electric field between first and second electrodes that is caused by the occupant sitting on the seat. The occupant classifying device includes: a seat for an occupant to sit on; a first electrode disposed in the seat; a second electrode disposed in the seat, spaced apart from the first electrode, and forming an electric field between the first and second electrodes; and a current measuring device for measuring a variation in current value corresponding to changes in the electric field caused by the occupant sitting on the seat. | 09-15-2011 |
20110215662 | TERMINAL ASSEMBLY FOR MOTOR OF HYBRID VEHICLE - The present invention features a terminal assembly for a motor of a hybrid vehicle as a wire connection structure of a concentrated winding motor, which can maintain a gap between a plurality of terminals using a clip and a holder in an insulated manner. Such a terminal assembly for a motor of a hybrid vehicle, includes: an open type holder with an open top; a plurality of terminals concentrically arranged and inserted into the holder; and a plurality of clips, each inserted between the terminals in an insulated manner to maintain a gap between the terminals. | 09-08-2011 |
20110178681 | METHOD OF PROTECTING MOTOR-DRIVEN STEERING SYSTEM FROM OVERHEAT - In a method of protecting a motor-driven power steering system from overheat, it is possible to prevent a set temperature value from being largely increased by the peripheral circuits of the electronic control unit and improve safety of the motor-driven power steering system by controlling steering current on the basis of the accurate temperature without the effect by the peripheral circuits, by determining when a temperature value measured by a temperature sensor of an electronic control unit is measured high by the peripheral circuits of the electronic control unit and making the set temperature value close to a previous-set temperature value. | 07-21-2011 |
20110160965 | METHOD OF PROTECTING MOTOR-DRIVEN POWER STEERING SYSTEM FROM OVERHEAT - According a method of protecting a motor-driven power steering system from overheat, it is possible to prevent a steering motor and an ECU from being broken by overheat by controlling electric current supplied to the steering motor, by calculating an engine stop time from radiation temperature maps stored in a memory and changes in temperature of a temperature sensor when the engine having been stopped restarts without operating a specific protection logic when the engine stops, and calculating temperature of the steering motor and the ECU from the radiation temperature maps and the engine stop time. | 06-30-2011 |
20110147143 | ELECTRONIC PARKING BRAKE ACTUATOR - Provided is an electronic parking brake actuator generating power for braking by using power from a motor, transmits the power from the motor to a caliper, stably and without noise, and ensures more quiet operability and durability by preventing and blocking noise and vibration generated by the actuator. | 06-23-2011 |
20110139554 | BRAKE SYSTEM OF VEHICLE - A brake device includes a brake pad movable toward a brake disc and configured to contact the brake disc, and an EWB device comprising a wedge and an actuator configured to push the wedge. The wedge is configured to push the brake pad when the actuator pushes the wedge. The device has a hydraulic cylinder comprising a piston coupled to and configured to push the EWB device. The wedge is configured to push the brake pad without operation of the actuator when the piston pushes the EWB device such that the brake pad can move toward the brake disc. | 06-16-2011 |
20110056776 | ELECTRONIC WEDGE BRAKE APPARATUS - The present invention makes it possible to increase safety of parts and ensure durability and smooth operability in braking by increasing axial stiffness of a motor while keeping the spring effect of connecting springs driving an upper wedge with force from the motor. | 03-10-2011 |
20110048691 | FAIL-SAFE AIR FLAP CONTROL APPARATUS FOR VEHICLE - A fail-safe air flap control apparatus for a vehicle includes a coolant temperature sensor, a control unit, an actuator, a movable unit, a flap unit, an elastic member and a solenoid unit. The coolant temperature sensor measures the temperature of a coolant. The control unit compares a value measured by the sensor to a reference value and generates a corresponding control signal. The actuator has a rotator which rotates in a clockwise or counterclockwise direction depending on the control signal. The movable unit linearly moves under rotational force of the rotator. The flap unit includes a flap housing having an air flow slot, a flap door mounted to the flap housing to openably close the air flow slot, and a connecting rod connected to the movable unit. The elastic member applies elastic force to the movable unit in a direction in which the flap door opens. The solenoid unit is controlled by the control signal of the control unit so as to either restrain movement of the movable unit and so maintain the flap door in a closed state or to release the movable unit. | 03-03-2011 |
20100303582 | COWL CROSS MEMBER MOUNTING UNIT - The present invention features, in preferred aspects, a cowl cross member mounting unit that includes an adjustment bolt for suitably absorbing a tolerance occurring when a vehicle body panel and a cowl cross member are suitably coupled with each other, and a cap maintaining the coupling between the adjustment bolt and a fixing nut. | 12-02-2010 |
20100268421 | METHOD OF RETURNING STEERING WHEEL USING MOTOR - A method of returning a steering wheel includes measuring steering torque and speed of a vehicle. A returning torque is determined using the measured torque, the measured speed and friction characteristics of a steering system. A motor is operated to rotate a steering wheel based on the returning torque. | 10-21-2010 |
20100224291 | Al-Si-Mg ALLOY AND METHOD OF PRODUCING THE SAME - An Al—Si—Mg-based aluminum alloy includes about 1.2 to about 1.4 wt % of Si, about 0.6 to about 0.75 wt % of Mg, about 0.8 to about 1.0 wt % of Sn, and Al and impurities as the balance on the basis of the total weight of the aluminum alloy. | 09-09-2010 |
20100152973 | CONTROL METHOD FOR VEHICLE - Disclosed is a method of controlling a vehicle safely and stably. The method involves determining whether the vehicle is moving forward or backward without a TCU or a specific sensor for detecting whether the vehicle is moving forward or backward. The method further involves controlling at least one apparatus of the vehicle for controlling the wheels based on the determination. | 06-17-2010 |
20100148571 | REGENERATIVE BRAKING ACTUATOR APPARATUS - An actuator apparatus includes a booster creating an infinite boost ratio while a plunger valve does not contact with a reaction disc, and an oil reservoir and a pedal simulator unit forming a hydraulic circuit to follow hydraulic hysteresis characteristics. Therefore, it is possible to achieve insensibility of pedal changes transmitted from a master cylinder, minimize changes in pedal feel according to changes of pedal effort correspondingly generated, while blocking vibration transmitted to the pedal when achieving regenerative braking, and provide pedal feel following or simulating the hydraulic hysteresis characteristics. | 06-17-2010 |
20100147637 | SAFETY BRAKING DEVICE OF VEHICLE - A brake apparatus includes a motor-based braking unit driven by control of an ECU and equipped with a BIR operating unit, that is, a BIR-equipped braking unit having a BIR (Ball In Ramp) function of generating straight movement force using changes in path of balls disposed between ramps rotating, such that it can achieve F-S (Fail-Safe) and generate emergency braking force for safety by operating the BIR operating unit using a pedal-coupled cable only by operating a brake pedal even if a motor of the motor-based braking unit fails. | 06-17-2010 |
20100147633 | BRAKE SYSTEM - A brake system of the present invention is a dual braking system, which includes an ECU that controls parts for braking when a brake pedal is operated, a main brake that is controlled by ECU by locking a wheel disc for braking in normal braking, and a sub-brake that is mounted on the wheel disc and achieves sub-braking function to achieve emergency braking for safety by locking the wheel disc by control of ECU that has detects failure of main brake. Therefore, it is possible to improve safety by achieving emergency braking while achieving F-S (Fail-Safe), when the motor of main brake fails. Further, it is possible to also achieve stable FR (Failure Rate) in an EWB or an EMB that is practically applied to a vehicle, as in a hydraulic brake system, and to expedite common use of brake systems where a BBW (Brake By Wire) technology, such as EMB and EWB, is applied. | 06-17-2010 |
20100147097 | SHIFTING APPARATUS FOR DUAL CLUTCH TRANSMISSION - A shift apparatus for a dual clutch transmission includes a plurality of shift lugs and a shift operating module moving the shift lugs. The apparatus provides a simple structure and sufficient rigidity and durability, in addition to a simple shift of a gear. The apparatus further provides an automatic releasing function that automatically releases the prior shift stage and an active inter-lock function that prevents gears connected to the same clutch from being engaged simultaneously, and enables 6-3-stage and 5-2-stage skip shift. | 06-17-2010 |
20100125391 | METHOD FOR COMPENSATING STEERING OF MOTOR DRIVE POWER STEERING SYSTEM - Disclosed herein is a method for compensating steering of a motor drive power steering (MDPS) system. In this method, the MDPS system determines a slip of a vehicle, calculates a steering compensation value and controls a gain based on moment input from an electronic stability program (ESP) system under coordinate control between the MDPS system and the ESP system, so that stability of the vehicle can be enhanced by reducing heterogeneous steering and preventing over steering. | 05-20-2010 |
20100066156 | WHEEL FOR VEHICLE - The present disclosure relates to a wheel for a vehicle, in which burrs that are created in forming vent holes do not contact with the inner circumference of rim when disc is combined with rim, such that it is possible to prevent damage to the inside of rim due to burrs. Further, a hub cap is formed in the minimum size for covering only hub hole and separably combined with a cylindrical protrusion of disc, such that it is possible to reduce the manufacturing cost and the weight, and improve the fuel efficiency. Furthermore, a plurality of water discharge holes is formed along the joint of rim and disc, such that the water discharge holes make it possible to prevent water from collecting again at the joint of rim and disc after a process of removing water. | 03-18-2010 |
20100044937 | VEHICLE SUSPENSION - A strut assembly forming an upper part of a cylinder joined to a wheel is joined to a vehicle body via an insulator and joining member, an airtight chamber space is formed by a strut cover joined to a spring body joined to a damper rod drawn from the cylinder, whereby a CDC type damper with the chamber space of which air pressure is controlled in order to vary the movement characteristic depending on movement of a tire and a damper joined to an inner space of the spring body has an urethane made damper guider having dug air channels where air moves even in a state where the damper is in close contact with the damper rod. | 02-25-2010 |
20100020561 | HEAD LAMP - Disclosed herein is a head lamp. The head lamp includes a light source emitting light, a reflection plate reflecting the emitted light toward a lens, and a shield integrally formed with the reflection plate to intercept a portion of the light illuminated toward the lens. The head lamp can accurately adjust an illumination pattern of light through a reduction of assembly tolerance between components. | 01-28-2010 |
20100012442 | HYSTERESIS CHARACTERIZING TYPED ELECTRO PEDAL DEVICE - According to the electro pedal of the present invention, a pedal simulator is achieved by a variable damper including a piston operating with an operation rod connected to a pedal and elastically supported by first and second springs having different elasticity, a piston flange having a flow channel, through which the oil passes, at the end of piston elastically supported by second spring in a chamber filled with the oil, and a rubber cup being in close contact with piston flange and changing the flow rate of oil while being elastically deformed by the hydraulic pressure according to the flow direction of the oil, such that hysteresis characteristics showing pedal effort without difference can be achieved, such as when hydraulic pressure is used, not only generating simple linear pedal effort and a damping force from a fixed damping coefficient in operation and return stroke of pedal. | 01-21-2010 |
20090308698 | CALIPER ATTACHING TYPE ELECTRICAL PARKING BRAKE IN VEHICLE - According to an embodiment of the present invention, there is provided an EPB serving as an electrical parking brake in which a gear wheel and an external ring gear are arranged parallel to a driving gear rotating through a motor serving as the power source on a side surface, and fixed and output sun gears generating output torque are arranged to penetrate the external ring gear in a shaft direction via an internal ring gear and a planetary gear being in inner contact with the external ring gear, an overall length of a single body type housing with the motor is determined only by diameters of the driving gear, the gear wheel, and the external ring gear. Therefore, a power assembly converting the power of the motor driven by an ECU into the output torque is downsized so that a caliper mounted on a wheel presses a wheel disk. | 12-17-2009 |
20090302580 | AIRBAG DEPLOYMENT SYSTEM - An airbag deployment system is disclosed. The airbag deployment system comprises: a sensor module disposed at a passenger seat, for sensing the weight of an occupant in the form of an analog signal and converting the same into a digital signal to output the digital signal; and an airbag control unit for controlling the deployment of an airbag by analyzing the digital signal outputted from the sensor module and comparing the same with a preset value. Accordingly, the manufacturing cost of the product can be reduced, and the reliability of the product can be improved. | 12-10-2009 |
20090283707 | SOLENOID VALVE HAVING A SHORT AXIS - According to a solenoid valve of the invention, which is fitted in a pump housing, when ABS/TCS/ESP operate, a valve body with a plunger that forms the internal channel with a plunger seat is formed in a simple cylindrical shape to reduce a cycle time and manufacturing cost while a seat housing that is manufactured by pressing, in which a filter and plunger seat forming an internal channel are assembled is fitted in a vale body by staking. Accordingly, a laser welding is not needed and the length of the end portion of valve body is reduced, such that the entire length is reduced and the weigh is reduced as well. | 11-19-2009 |
20090157256 | PASSENGER DIFFERENTIATING APPARATUS WITH INDEPENDENT FRAME STRUCTURE - A passenger differentiating apparatus with an independent frame structure includes a passenger seat disposed to be movable in a back-and-forth direction within a car by a user, a pair of guide rails disposed below the passenger seat and configured to guide the movement of the passenger seat, a pair of load sensors disposed to be spaced apart from each other in a back-and-forth direction on one of the pair of guide rails to sense a load of a passenger sitting on the passenger seat, and an overload prevention unit disposed on the guide rails and configured to prevent damage to the pair of load sensors. | 06-18-2009 |
20090152850 | AIRBAG CUSHION - The present invention relates to an airbag cushion for protecting a driver and passengers when a vehicle crashes, wherein the sliding bent is guided into a belt guider and slides between a deployment portion and the belt guider, when the deployment portion is deployed. The sliding belt slides between the deployment portion and the belt guider in such a manner that before the deployment portion is deployed, the sliding belt clogs the first vent holes, when the deployment portion is partially deployed, the second vent hole forms a flow channel together with the first vent holes so that the gas is discharged along the flow channel through the first vent holes, and when the deployment portion is fully deployed, the sliding belt clogs the first vent holes so that the gas is not discharged through the first vent holes. | 06-18-2009 |
20090151477 | PASSENGER DISCRIMINATING APPARATUS EMPLOYING TWO LOAD SENSORS - A passenger discriminating apparatus according to the present invention includes a plurality of load sensors for measuring a load of a passenger, which is applied to a passenger seat disposed within a vehicle, and a pair of dummy sensors configured to support the load of the passenger seat and not having a load sensing function. The type of the passenger is discriminated by comparing a sum of values in which the load values measured by the plurality of load sensors, respectively, are multiplied by a load weight of the load sensors and a reference value. Accordingly, the passenger discriminating apparatus can save the prime cost, reduce its weight, and secure an equivalent or more performance. | 06-18-2009 |
20090134608 | VEHICULAR AIR BAG DOOR - A vehicular air bag door is disclosed. More particularly, a vehicular air bag door for achieving a reduction in the number of constituent elements and a simplified manufacturing process thereof is disclosed. The vehicular air bag door includes a chute provided at an instrument panel to mount an air bag module thereon, a door plate provided in an opening of the chute and connected with a door section defined in the instrument panel, and a hinge provided between the chute and the door plate. The chute, the door plate, and the hinge are integrally formed with one another. | 05-28-2009 |
20090129083 | LED UNIT AND OPTICAL SOURCE MODULE HAVING THE SAME - Disclosed are an LED unit, provided in a lighting apparatus, and an optical source module having the same. The LED unit includes a first LED array emitting a first irradiation light; and a second LED array lighted up separately from the first LED array or together with a portion of the first LED array and thus emitting a second irradiation light. | 05-21-2009 |
20090127811 | STEERING ASSEMBLY - A steering assembly according to the present invention includes connection parts that are formed in a mounting plate body and fixed to a steering wheel module. Accordingly, when the mounting plate assembly is fixed to a steering wheel module, it is possible to attach or detach the mounting plate assembly to or from the steering wheel module. As a result, it is possible to quickly assemble the mounting plate assembly and the steering wheel module. | 05-21-2009 |
20090115171 | VEHICULAR INSTRUMENT PANEL - Disclosed is a vehicular instrument panel, and more particularly, is a vehicular instrument panel in which a door portion can be easily cut away from an instrument panel for the inflation of an air bag upon a car collision. The vehicular instrument panel includes a door portion provided on the instrument panel at a position corresponding to an air bag, and a tear line provided on the instrument panel to define a boundary between the door portion and the instrument panel, the tear line being torn upon a car collision. The tear line includes several sections having different shapes from one another. | 05-07-2009 |
20090108569 | AIR BAG CUSHION - An airbag cushion is configured to be deployed by an introduced gas to provide a predetermined space therein, wherein a valley is configured to be formed at a center region which a passenger's face impacts when the airbag cushion is deployed. The airbag cushion includes a front panel, a rear panel provided rearward of the front panel, wherein the front panel and the rear panel are joined together and thus form the predetermined space when gas is introduced. | 04-30-2009 |
20090102170 | AIR BAG MODULE - Disclosed is an airbag module which can improve working efficiency because it is easy to assemble, reduce weight while maintaining sufficient rigidity, and ensure sufficient safety. The airbag module comprises: a cushion assembly including an airbag cushion; an inflator for supplying gas to the airbag cushion to deploy the airbag cushion; a housing for containing the cushion assembly, and having a through hole for arranging the inflator therethrough; and a cushion support for supporting the cushion assembly, and including through rings for passing the inflator therethrough so as to be supported by the inflator arranged through the through hole. | 04-23-2009 |
20090102154 | AIR SUSPENSION SYSTEM - An air suspension system includes a first transfer pipe having one end communicating with the outside, the first transfer pipe being constructed such that air flows through the first transfer pipe; a filter mounted adjacent to the one end of the first transfer pipe to filter out foreign matter from the air; a compressor mounted on the first transfer pipe, such that the compressor is located adjacent to the filter, to compress the air; a dryer mounted on the first transfer pipe, such that the dryer is located adjacent to the compressor, to dry the air; an exhaust pipe extending from the first transfer pipe between the compressor and the dryer; an exhaust valve mounted on the exhaust pipe to control the flow of the air; a second transfer pipe communicating with the other end of the first transfer pipe; a control unit connected to the second transfer pipe, the control unit being constructed such that the high and low of the control unit are controlled by the pressure of the air; and a storage unit connected to the second transfer pipe to store the compressed air. | 04-23-2009 |
20090072506 | METHOD OF MANUFACTURING CONTROL ARM USING VARIABLE CURVATURE EXTRUDING PROCESS AND DOUBLE-HOLLOW-TYPED CONTROL ARM MANUFACTURED THEREBY - According to the invention, in extrusion molding of a control arm of aluminum, control arm is manufactured by a variable curvature extruding process that simultaneously form straight sections and a curved section in extruding a raw material, without pressing forming that is accompanied by solution heat-treatment for forming a carrier fastening end and a bush fastening end at both ends of control arm. Therefore, since the press forming that is required in the extrusion molding of control arm is removed, the manufacturing process is simplified and the manufacturing cost is reduce. Further, the entire extrusion profile cross section of control arm has a double-hollow closed cross section to distribute loads, such that durability of a load-concentrated portion of control arm is increased and the loads can be more effectively distributed. | 03-19-2009 |
20090071769 | SINGLE MOTOR ELECTRONIC WEDGE BRAKE SYSTEM LOCKING PARKING FORCE - While driving one motor, an electronic wedge brake (EWB) system according to an embodiment of the present invention implements a main braking function by self-energizing caused by a wedge operation. Since only one motor is used, it is possible to reduce the number of parts and to simplify the structure. Further, the electronic wedge brake system implements various functions, such as a function for maintaining a set clearance of a pad, a wheel lock prevention function, and an EPB function by using a solenoid interlocked with a NSL (Non-Self Locking) type screw that is moved in an axial direction and supports an axial reaction force transmitted from a pad. Furthermore, a NSL (Non-Self Locking) type push rod shaft, which supports the axial reaction force, is constrained using power of the motor during park braking, and accordingly, even when the solenoid is turned off, it is possible to stably and reliably park a vehicle. | 03-19-2009 |
20090071744 | GEAR BOX-TYPED ACTIVE FRONT STEERING SYSTEM IN VEHICLE - According to an active front steering system (AFS) of the invention, an actuator assembly that receives steering input from a driver and AFS input from a motor is mounted to a gear box that reciprocates a rack bar connected to tie rods that are connected to wheels. Therefore, the entire size of the AFS is reduced and a decelerator that changes the steering ratio includes a single planetary gear that outputs final steering through rack bar after the steering input from the driver and the AFS input from motor are inputted across each other. | 03-19-2009 |
20090071265 | APPARATUS FOR CLASSIFYING PASSENGERS - An apparatus for classifying passengers includes a plurality of load sensors disposed in a passenger seat of an automobile to measure a load applied to the passenger seat, the load sensors classifying the passengers by comparing a sum with a reference value, and the sum being obtained by summing the respective values, which are obtained by multiplying respective load values measured from the plurality of load sensors by weighed load values of the respective load sensors. | 03-19-2009 |
20090065311 | SINGLE MOTOR ELECTRONIC WEDGE BRAKE SYSTEM GENERATING SOLENOID ASSISTING FORCE - While driving one motor, an electronic wedge brake (EWB) system according to an embodiment of the present invention implements a main braking function by self-energizing caused by a wedge operation. Since only one motor is used, it is possible to reduce the number of parts and to simplify the structure. Further, the electronic wedge brake system implements various functions, such as a function for maintaining a set clearance of a pad, a Fail-Safe function, and an EPB function by using a solenoid interlocked with the NSL (Non-Self Locking) type screw that moves in the axial direction. When the electronic wedge brake system is operated, an axial reaction force transmitted from the pad is dispersed using a frictional force caused by a NSL (Non-Self Locking) type push rod shaft, which reduces a load of a solenoid which constrains a push rod shaft. As a result, a low-performance solenoid may be used. | 03-12-2009 |
20090057075 | BALL-IN-RAMP BRAKE CALIPER TYPE PARKING BRAKE FOR VEHICLE - In a BIR type brake caliper according to the embodiment of the present invention, when a BIR (Ball in Ramp) type cartridge assembly, which generates an axial force while rotating, presses pads against a disk plate during parking braking, balls provided between input and output ramps of the cartridge assembly move along variable trajectories gradually decreased in a radial direction and increase a force. For this reason, even though an operation force of a parking lever is small, the cartridge assembly generates a force capable of maintaining a parking braking force. As a result, it is possible to obtain characteristic reducing an operation force, which should be applied to a parking handle by a driver. | 03-05-2009 |
20090049982 | PLUNGER-TYPED MASTER CYLINDER FOR BRAKE SYSTEM OF VEHICLE - According to the plunger-typed master cylinder of the invention, because deformation of seal cups fitted in the hydraulic pressure chambers with the pistons (primary piston and floating piston) inserted is minimized, that is, the deformation of the inner flange being in contact with pistons does not substantially affect the outer flange being in contact with hydraulic pressure chambers when the master cylinder is in operation, it is possible to prevent deterioration in the performance of passing or stopping oil due to the deformation of seal cups and durability. | 02-26-2009 |
20090021220 | BATTERY EQUALIZER FOR CARS - There is provided a battery equalizer for cars. The battery equalizer for cars includes a battery module including first and second batteries and a battery equalizer mounted in the battery module to sustain charge voltages of the first and second batteries to be the same. The battery equalizer includes a power converting unit for converting power so that the charge voltages are equally charged in the first and second batteries and a noise preventing unit connected between the power converting unit and an external case to remove conductive noise of the power converting unit and surge noise of the external case. | 01-22-2009 |
20080317618 | PULSATION PRESSURE DECREASED TYPE PUMP FOR VEHICLE SLIP CONTROL SYSTEM - The present invention provides a pulsation pressure decreased type pump. When an oil pump that is driven by a motor during the operation of an electronically controlled brake system discharges a working fluid, the working fluid passes through an annular orifice provided at a position where the working fluid is discharged and is then discharged to an outlet of a pump housing through an outflow channel formed in the orifice so as to decrease a pulsating pressure using a piston reciprocated by a cam. Therefore, it is possible to decrease a pulsating pressure generated in the pump from 20 bar to 5 bar or less. | 12-25-2008 |
20080315680 | NON LEAK CHECK VALVE TYPED TRACTION CONTROL VALVE - The present invention provides a non leak check valve typed traction control valve. A low pressure check valve | 12-25-2008 |
20080314695 | SINGLE MOTOR ELECTRO WEDGE BRAKE SYSTEM USING SOLENOID MECHANISM FOR IMPLEMENTING ADDITIONAL FUNCTIONS - The present invention provides an electro wedge brake (EWB) system that implements a main braking function by using power generated by one motor. Further, the electro wedge brake system implements various additional functions such as a function for maintaining a set clearance of a pad, a Fail-Safe function, and an EPB function, by using that the forward movement of a push rod shaft screwed using a NSL (Non-Self Locking) type screw is restrained or released on the basis of ON/OFF control of the solenoid mechanism interlocked with the main braking function motor. Accordingly, since only one motor is used to generate power, it is possible to reduce the number of parts and to simplify the structure. | 12-25-2008 |
20080314694 | SINGLE MOTOR ELECTRONIC CONTROLLED WEDGE BREAK SYSTEM - The present invention provides a single motor electronic controlled wedge brake system that can achieve parking brake, frictional correction of pads, and fail safe as well as travel brake through the drive control using a single motor. Accordingly, it is possible to achieve a simple configuration of the electronic controlled wedge brake system, reduce manufacturing cost, and facilitate control. | 12-25-2008 |
20080272321 | SIDE INLET-TYPED SOLENOID VALVE - A solenoid valve for a slip control system in a vehicle is disclosed. A flow passage is provided in which working fluid such as oil that generates a break hydraulic pressure flows from the side of a solenoid valve through a filter, flows to the front of a plunger through a side hole formed in a valve body of the solenoid valve, and then flows along the side of valve body, that is, is discharged out of an outlet through a side space between valve body and a valve seat. Therefore, linear pressure control is easy because working fluid flows into toward the front of valve plunger through a side inlet of solenoid valve and the entire size is reduced because a special channel for guiding working fluid to the front of the valve plunger is not needed in a pump housing case. | 11-06-2008 |
20080252054 | AIR BAG CUSHION - An air bag cushion includes a lower chamber including at least one bottom panel and defining a lower space by an introduced gas, and an upper chamber including a plurality of top panels and a volume control panel and combined with the lower chamber, the volume control panel being disposed in at least any one of spaces between the top panels and defining an upper space together with the top panels. | 10-16-2008 |
20080216473 | MASTER CYLINDER OF BRAKE - A master cylinder of a brake is disclosed. The master cylinder includes a cylinder body connected with an oil tank and defining therein a first pressure chamber and a second pressure chamber, which are separated from each other by a partition, a first piston to perform reciprocating movements in the first pressure chamber, a second piston to perform reciprocating movements in the second pressure chamber, a first return spring to elastically support the first piston in the first pressure chamber, and a second return spring to elastically support the second piston in the second pressure chamber. The first piston has a plurality of recesses formed at one end thereof to assure smooth supply of oil during braking. The master cylinder has the effects of assuring smooth supply of brake oil during braking, and preventing fluctuation of a piston therein. | 09-11-2008 |