text:
A saddle or U-bolt clamp is formed from a unitary sheet metal stamping folded to provide hexagonal sleeve formations which receive the legs of the bolt in axially slidable relation. Torque transmitted to the ends of the sleeve formations as the securing nuts are drawn up on the legs of the bolt against the saddle will construct the saddle and U-bolt's bight around the telescoped tubing parts of the exhaust system of vehicles for which such a clamp commonly is used. The heavy duty use for which such clamp is required is permitted even in those critical applications where the transverse profile of the clamp must be substantially reduced or restricted without loss of efficacy and strength of the clamp.
1. A U-bolt clamp saddle comprising: an originally, substantially flat sheet metal stamping of generally rectangular configuration having a transverse central segment forming said member into opposite, identical mirror parts, each mirror part having a semicircular cutout portion along its end edge opposite said segment, a rectangular notch in each of the side edges of the stamping aligned with and located at the ends of said segment whereby a portion of each notch enters both mirror parts, said stamping having two grooves formed therein, respectively parallel with and adjacent said opposite side edges, said grooves extending the entire length of the stamping between said end edges, each groove intersecting and being interrupted by a respective rectangular notch while said stamping is in the flat condition, said saddle being formed by reason of said member being folded upon itself along said segment and through said notches such that said mirror parts are in substantially face-to-face juxtaposition and each half groove mates with its opposite half to form a sleeve formation having a through-passageway adapted to receive the leg of a U-bolt, each notch forming bearing edges at ends of the respective passagesway, each sleeve formation having a narrow lateral wing with at least a pair of cooperatively interlocking notch and tongue means for preventing distortion or deformation thereof during tightening of the clamp, said tongue means being integral with and protruding beyond a side edge of one of the mirror parts and said notches being formed in the half groove of the second mirror part opening to a side edge thereof.
2. A clamp saddle as claimed in claim 1 in which said tongue means has an enlarged extremity bearing against a surface of said second mirror part.
3. A clamp saddle as claimed in claim 1 in which said tongue means are sufficiently long so as to permit their being bent over into a notch and into engagement with a surface of the second mirror part.
4. A clamp assembly comprising:
A. a clamp saddle formed from an originally, substantially flat sheet metal member comprising a stamping of generally rectangular configuration having a transverse central segment forming said member into opposite identical mirror parts, each mirror part having a semicircular cutout portion along its end edge opposite said segment, a rectangular notch in each of the side edges of the member aligned with and located at the ends of said segment whereby a portion of each notch enters both mirror parts, said member having two grooves formed therein, respectively parallel with and adjacent said opposite side edges, said grooves extending the entire length of the member between said end edges, each groove intersecting and being interrupted by a respective rectangular notch while said member is in the flat condition, said saddle being formed by reason of said member being folded upon itself along said segment and through said notches such that said mirror parts are in substantially face-to-face juxtaposed disposition and each half groove joins with its opposite half to form a sleeve formation providing an open-ended passageway adapted to receive the leg of a U-bolt, each notch forming bearing edges at the ends of the respective passageway;
B. a U-bolt with its arms passing through said respective passageways, each arm having a threaded end and a nut engaged on each threaded end, the bight of the bolt extending below said saddle opposite said semicircular cutout portions;
C. said clamp adapted to grip at least one tubular member between said bight and said semicircular shaped edges when said nuts are tightened against said saddle;
D. said sleeve formations having narrow lateral wings with cooperating interlockable tongue and notch means along the side edges of said mirror parts constructed and arranged to be interengaged to retain the sleeve formations in assembly when said nuts are tightened;
E. said tongue means being integral with and protruding beyond a side edge of one of the mirror parts;
F. said notches being formed in the half groove of the second mirror part opening to a side edge thereof.
5. A clamp assembly as claimed in claim 4 in which said tongue means are provided on the side edges of one of the mirror parts and the notches are provided in the side edges of the second mirror part.
6. A clamp assembly as claimed in claim 4 in which said tongue means has an enlarged extremity bearing against a surface of said second mirror part.
7. A clamp assembly as claimed in claim 4 in which said tongue means are sufficiently long so as to permit their being bent over into a notch and into engagement with a surface of the second mirror part.
This is a continuation-in-part of application Ser. No. 6/372,097 filed Apr. 26, 1982 which is owned by the same assignee as this application.
This invention relates generally to the field of so-called U-bolt or saddle clamps for clamping telescoped sections of pipe or tubing of exhaust systems of internal combustion engines. By its nature, such clamp is used to achieve an emission-free joint between the telescoping tubing and is to be characterized as a heavy-duty clamp which necks the tubing in a crimping action which practically assures a complete seal.
My referenced parent application discloses a clamp saddle formed originally from a substantially flat sheet metal stamping which features a pair of opposite, identical mirror image parts connected by a transverse central segment. Each mirror part has a semi-circular cutout along an end edge opposite the central segment; each such part also has a pair of grooves parallel one relative to the other and extending normal to said central segment. The saddle is formed by folding the stamping transversely along the central segment so as to bring the mirror parts into substantially face-to-face juxtaposition and join each groove of one part with a groove of a facing part into a sleeve formation open at opposite ends thereof for receiving the legs of a U-bolt in axially slidable relation. Torque is transmitted to the ends of the sleeve formations by drawing up on nuts threaded on ends of the bolt legs for clamping the bight of the U-bolt and arcuate edges of the cutouts of the saddle around the telescoped tubing.
The U-bolt or saddle clamp of the referenced application is designated generally by the reference character 10. In plan view, the clamp 10 can be seen to have a substantial profile, i.e., it is very wide between the opposite exterior edges of the passageways 24 through which the legs 18, 20 are axially slidable. This is due to the relatively wide flanges which extend laterally beyond the trapezoidal grooves 42 seen in FIG. 6 and which abut and protrude beyond each passageway 24 of the clamp as seen in FIG. 2 of the referenced patent application. Clamps of the configuration illustrated in the referenced application have been marketed with dimensions in their bight ranging from 1.5 to 5.0 inches. Such clamps may be constructed of 13 gauge (0.090 inch) high form 50--50 KSI minimum tensile strength steel strip material. Welding or other fastening means for retaining the saddle in assembly are avoided as a desirable feature of production of the clamp. The wide flanges also assist in preventing distortion of the clamp when it is tightened because of their relatively large surface abutment.
One disadvantage of the saddle clamp of the referenced patent application is attributable to its profile or lateral dimension from side edge to side edge of the hexagonal passageways for the bolt legs. There are special physical environments for installing such a saddle clamp which dictate a reduced profile for the clamp without reduction in the clamping strength required for the clamp. The herein invention provides an improved saddle or U-bolt clamp which utilizes all of the salient structural advantages of the clamp of my parent application and yet, which enables a smaller profile clamp to be achieved without sacrificing any of those salient structural advantages. This is accomplished by substantial reduction in the width of the flanges of the clamp 10 without resorting to use of welding to retain the structural integrity of the passageways for the U-bolt shanks.
A U-bolt or saddle clamp is formed from a flat, generally rectangular sheet metal stamping folded upon itself along a transverse central segment to provide a pair of mirror image parts abutting in a face-to-face juxtaposition. The mirror image parts are configured in their original flat condition to include respective arcuate edges which will cooperate to provide the arcuate bight edges of the saddle; also, they include a pair of trapezoidal shaped grooves at opposed ends of the saddle which are mated to provide a pair of oppositely opening sleeve formations in the clamp. The bolt legs are received slidable axially in the sleeve and nuts are engaged on the bolt legs which can be drawn up to exert a torque against ends of the sleeve formations for tightening the clamp on telescoped tubing of an exhaust system of a vehicle. The sleeve formations are distinctive in that they contribute a desirably reduced profile or width for the clamp without sacrificing advantages engendered by the other structural features common with the clamp disclosed in the referenced patent application.
The reduced profile for the clamp of the herein invention is achieved by substantially reducing the width of laterally protruding flanges on the sleeve formations and still preventing deformation or distortion of the sleeve formations during application of torque forces thereagainst in the tightening of the clamp. Instead, the sleeve formations are retained in assembly by means of spaced tab or tongue members staked or swaged thereon, thus avoiding recourse to welding in the production of the clamp.
FIG. 1 is a perspective view of the clamp of my parent application;
FIG. 2 is a perspective view of a preferred embodiment of the present invention;
FIG. 3 is a fragmentary perspective view enlarged to show details of a sleeve formation of this clamp invention;
FIG. 4 is a plan view of the blank from which the saddle of this clamp invention is formed; and
FIG. 5 is a sectional view taken along the line 5--5 of FIG. 3 and in the direction indicated generally.
The clamp designated generally by the reference character 10 illustrates the U-bolt or saddle clamp disclosed in the referenced application. Clamp 10 includes a saddle 12 and U-bolt 14 which provides an arcuate bight 16 and a pair of generally parallel shank parts 18, 20 having threaded ends 22. Saddle 12 has a pair of generally parallel, hollow formations 23 providing passageways 24 therethrough which are open at opposite ends thereof. Each of the shank parts 18, 20 is received in a passageway 24 for axial slidable movement therein. Each threaded end 22 is engaged by a nut, such as 28 shown in FIG. 1, which cooperates with washer 29 for applying torque against the engaged ends 29' of sleeve formations 23 when nuts 28 are drawn up. Upon such tightening of clamp 10, bight 16 of the U-bolt 14 and opposing semi-circular edge 26 of the saddle 12 cooperate to engage conventionally telescoping tubing of the exhaust system of a vehicle (not shown) for clamping them together.
Saddle 12 of clamp 10 preferably is formed from a unitary blank of sheet metal which has a pair of mirror image parts 32 connected by a narrow, elongate central segment 37. The hollow formations 23 are formed from a pair of mating, trapezoidal grooves 42 in the parts 32 when said parts 32 are folded into face-to-face juxtaposition seen in FIG. 1. In the assembled condition of clamp 10, hollow formations are generally hexagonal in cross-section and dimensioned to permit axially slidable movement of the shanks 18, 20 received therein.
As further seen in FIG. 1, hollow formations 23 each have a pair of laterally protruding flanges 40 integral therewith which abut in face-to-face engagement. Flanges 40 are coextensive in length with the formation 23 and have an identical width which is about one-half the width of a passageway 24. In other words, it can be readily seen that the laterally protruding relatively wide flanges 40 along opposite sides of the saddle 12 increases the profile or span of the saddle between the free edges 41 of said flanges 40. As explained in the referenced application, these ilanges 40 are not welded or mechanically fastened together and do abut along their facing surfaces.
A salient feature of the present invention is to provide a saddle which substantially reduces the width of such flanges 40 to a degree of practical elimination thereof without sacrificing any of the advantages of the clamp 10. The clamp of the present invention is designated generally by the reference character 100 in FIG. 2. Since clamp 100 is identical in most respects to the clamp 10 of FIG. 1, the same reference characters used to identify parts of clamp 10 will be used to identify identical or similar parts of clamp 100, but with the addition of the numeral value of 100.
Clamp 100 has a saddle 112 and a U-bolt 114 provided with a generally semi-circular bight 116 connecting a pair of generally parallel shank parts 118, 120 each having a threaded end 122. A nut, such as 128, and a washer, such as 129, will be engaged on each of said ends 122, although only one such installation is illustrated in FIG. 2.
Saddle 112 has a pair of elongated, hollow formations 123 which provide passageways 124 in which shank parts 118 and 120 are received for axial slidable movement. Saddle 112 also has a semicircular edge 126 which faces the bight 116 for clamping a pair of telescoping tubes together (not shown) when the nuts 128 are drawn up to apply torque against the upper ends 129' of hollow formations 123.
Referring to FIG. 4, the sheet metal stamping from which saddle 112 is formed is designated generally 138. Member 138 may be constructed of suitable gauge steel strip metal, such as, 13 gauge (0.09'), high form 50--50 SKI minimum tensile strength. Member 138 provides a pair of mirror image parts 132 connected along a medial or central segment 150. Each part 132 has a semicircular cutout portion 126' which provides the pressure applying edge 126 in the assembled saddle 120. Contiguous the extremities of each cutout portion 126 is a trapezoidal groove 142 which extends between the ends of the member 138 and normal to the medial segment 150.
Member 138 has rectangular cutout portions 144 separating the trapezoidal grooves 142 between the mirror parts 132. Strengthening ribs 130 are formed in member 138 parallel one to the other and equally spaced from the segment 150.
The salient feature of the present clamp invention is the practical elimination of the flanges 40 of clamp 10. As seen in FIG. 4, the trapezoidal grooves 142a of mirror part 132a each have a very narrow lateral wing or flange 152 and a pair of spaced apart tabs or tongues 154 protruding laterally outward therefrom. The other mirror part 132b also has narrow wings 156 extending outwardly from the associated trapezoidal grooves 142b which are slightly wider than the wings 152. However, each wing 156 has a pair of spaced apart notches 158 therein which are spaced apart a distance equal to the spacing between the tabs or tongues 154 on a wing 152.
In assembling the saddle 112, blank 138 is folded along the medial or central part 150 so that the mirror parts 132a and 132b are brought into substantial face-to-face juxtaposition seen in FIG. 2. In this configuration, the trapezoidal grooves 142a and 142b of the mirror parts confront one another to form the hexagonal passageways 124 in the sleeve formations 140. The edges 160 of the cutout portions 144 combine to provide the bearing edges 129' against which the nuts 128 are tightened. The tabs 154 are staked or swaged into the notches 158 and each extremity 162 of a tab 154 is flattened or enlarged to press against an outer surface 164 of a wing 156, as seen in FIG. 3 and FIG. 5. The staked tabs retain the thusly conjoined parts 142a and 142b against separation upon tightening of the clamp notwithstanding that the wings 152 and 150 are really very narrow.
It will be appreciated that the hexgonal shaped sleeve formations 140 serve to resist deformation of the saddle 112 when the nuts 128 are drawn up. Further, the staked tabs 154 serve to prevent said sleeve formations 140 from separating under the same condition of torque application for tightening the clamp 100 as encountered with clamp 10 of the referenced application. The central segment 150 at the top of the segment 112 serves also to retain the shape of the assembled saddle 112 during tightening of the clamp 100 when the nuts 128 are drawn up. The strengthening ribs 130 in the mirror parts 132 cooperate to provide a hollow cylindrical formation in the juxtaposed parts 132 further to resist deformation of the saddle during tightening of the clamp.
The profile or transverse dimension between the outer edges 166 of the sleeve formations 140 in a commercial embodiment of clamp 100 was approximately 3.5 inches. In a commercial embodiment of the blank 10, that same dimension was approximately 4.0 inches. This substantial reduction of 1/2 inch in profile of the clamp 100 was achieved without any reduction in the strength and efficacy of clamp 100 as compared with clamp 10. Yet, in certain applications, a clamp such as clamp 10 could not be utilized because of its unduly large profile dimension. Such instances where the clamp 100 was feasible in place of clamp 10 were with exhaust systems of small American-Model cars where the muffler was connected to the catalytic converter. Further, this approximate 0.5 inch spread in profile was carried over through the full range of 1.5 through 5.0 inch diameter clamps of this type.
Modifications in the dimensions and material specifications for the present clamp invention may occur to the skilled artisan without departing from the scope of the invention as defined in the appended claims.
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Really cleared up my skin, I did roaccutane ages ago and since then it had been pretty picky... this wash does not irritate my skin at all. I am very happy with it! :)
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It's a gentle morning cleanser pros: ultra fine scrubbing beads and 2% salicylic acid plus no heavy fragrance. Overall my skin definitely felt smoother after using but it didn't prevent blemishes from occurring.
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Erno Laszlo Sea Mud Soap
Clinique Clarifying Lotion #2 (or the Kiehl's suggested above)
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Eucerin Q-10 Anti-Wrinkle Sensitive Skin Creme (as an eye cream, on neck, and on any overly dry areas)
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I've been using this product for a week and my face looks insanely brighter, and fresher. I was skeptical at first because it doesn't feel like it's scrubbing a lot but I was wrong. It makes my face smooth and my make up goes on so much better. I will definitely repurchase.

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Britta Interviews Richard Stallman
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Fluid handling conduit in situ
Subclass of:
073 - Measuring and testing
073040000 - Leakage
Patent class list (only not empty are listed)
Deeper subclasses:
|Class / Patent application number
|Number of patent applications / Date published
|Using acoustic detectors
|LINE LEAK DETECTOR AND METHOD OF USING SAME - An apparatus for detecting a leak in a conduit line includes a housing in fluid communication with the line, a valve including a valve seat and a valve element movable relative to the seat between opened and closed positions, a bypass line around the valve, a flow detector coupled to the bypass line for detecting fluid flow therethrough, and a mechanism configured to urge the valve element toward the closed position and to maintain the valve element in the closed position until a threshold pressure drop is reached. The mechanism may operate on the principle of magnetism.
|SEAL GAS MONITORING AND CONTROL SYSTEM - A monitoring and control system for a seal gas supply system for a non-contacting gas seal. The supply includes several gas conditioning elements or units. The monitoring and control system includes an evanescent wave sensor to sense the presence of liquid in the seal gas. Multiple sensors to sense the temperature and pressure of the treated seal gas are disposed at the outlet of the conditioning elements. A programmable logic device is provided with information regarding the phase of the gas at various pressures and temperatures and compares the sensed data to the baseline data. Recognition of liquid concentrate results in an output signal.
|ENCLOSURE FOR LEAK DETECTOR - A leak detection structure for attachment to a fire hydrant includes an enclosure, the enclosure defining a cavity internal to the enclosure and a leak detection subassembly located in the cavity, the leak detection subassembly including at least one leak detection sensor and at least one circuit.
|CRADLE ASSEMBLY FOR A PRESSURE DECAY LEAK TESTER - A cradle assembly for a pressure decay leak tester is provided. The assembly operatively receives a printhead integrated circuit carrier having a plurality of printing fluid paths defined therein, respective fluid inlets in fluid communication with respective fluid paths and a locating formation to facilitate correct location of the carrier on the tester. The assembly includes at least one complementary locating formation for engaging the locating formation of the carrier, and at least one fluid outlet for charging the carrier with fluid via a respective fluid inlet of the carrier. Also included is a clamping device for clamping the carrier to the fluid outlet, so that the integrity of the fluid paths is observable via pressure decay testing, and a control system operatively connected to the clamping device for controlling operation of the clamping device.
|LEAK TESTER FOR A CARRIER FOR PRINTHEAD INTEGRATED CIRCUITRY - Provided is a leak tester for a carrier for printhead integrated circuits. The carrier has at least one fluid inlet in fluid communication with a plurality of fluid outlets via discrete fluid paths. The tester includes a support assembly that includes at least one receptacle shaped and configured to receive at least one respective carrier, and a pressurized fluid supply arranged on the support assembly and configured to supply pressurized fluid to the fluid inlets, the pressurized fluid supply incorporating a sealing mechanism configured to engage the fluid inlets in a sealing manner. The tester also includes a pressure measurement arrangement operatively arranged with respect to the pressurized fluid supply to measure pressure applied at the fluid inlets, and a controller operatively connected to the pressure measurement arrangement and pressurized fluid supply, the controller being configured to control the fluid supply to charge the carrier with pressurized fluid until a predetermined pressure is reached, and to monitor the pressure for a predetermined period of time.
|MONITORING STATE OF FLUID TRANSPORT PIPE - A method, apparatus, and system for monitoring the state of a fluid transport pipe. In one embodiment, there is provided a method of monitoring the state of a fluid transport pipe, the method including: causing a monitor to move along with a fluid inside the fluid transport pipe, the monitor including an elastic gas container and being configured to adjust the volume of the elastic gas container based on ambient pressure of the elastic gas container; and measuring and recording, by the monitor, one or more types of environmental data inside the fluid transport pipe for determining the state of the fluid transport pipe. In other embodiments, there are further provided an apparatus and system for monitoring a state of a fluid transport pipe.
|Method of Discovering Leakage in a Heat Exchanger - A method of discovering leakage in a heat exchanger, wherein the method is carried into effect on an intact heat exchanger which, together with surrounding conduits, is filled with water. The heat exchanger preferably has requisite pressure indicators mounted between each section, as well as requisite shut-off valves. The method comprises applying in each section of the heat exchanger an excess pressure on one side which is enclosed there, while the other side is at normal pressure. The pressure is enclosed during a period of time and is monitored during this period of time.
|Deriving Information About Leaks in Pipes - A method and system for deriving fluid leak information are described. A plurality of sealing elements are introduced into the pipeline at a location upstream of the leak, and at least some of the sealing elements are drawn towards the leak to cause a sealing event which reduces fluid seepage. A pressure change caused by the sealing event is detected, and associated time data is used to derive information about the leak. In one embodiment, leak location information is derived. In an alternative embodiment, pressure transient information is used to derive leak size information.
|DEVICE FOR CONVEYING A SUBSTANCE PROVIDED WITH AN OPTICAL LEAK DETECTOR - A device for conveying a substance that comprises: a first duct for containing the substance; an optical fiber connected to the first duct and extending along the duct, the optical fiber including several detection members spaced along its length, each detection member having a separate reflection spectrum that varies with the presence of the substance to be detected; a control device including a light source capable of emitting a light in the reflection spectrum of each detection member, a light receiver capable of detecting the light amplitude in the detection spectrum of each detection member, and an analysis module capable of determining the presence of a leak of the substance based on the light amplitude provided by the light receiver.
|SELF-MONITORING FLOW MEASURING ARRANGEMENT AND METHOD FOR ITS OPERATION - self-monitoring flow measuring arrangement includes a pipeline system flowed through by a medium, a control device installed in the pipeline system on the inlet-side, which varies a flow rate of the total medium flowing into the pipeline system according to a predetermined time-dependent periodic change profile; at least one flow measuring device installed in the pipeline system, which is located at a measuring location, which is located behind the control device in the flow direction, and through which the entire medium flowing through the pipeline system flows, and which measures the flow rate (Q
|DUAL STRIPPER RUBBER CARTRIDGE WITH LEAK DETECTION - A method to detect leaks in a rotating control device includes positioning a leak detection device in communication with a chamber located between an upper sealing element and a lower sealing element of the rotating control device, and signaling with the leak detection device when a pressure of the chamber exceeds a selected critical pressure.
|SYSTEMS AND METHODS FOR DIAGNOSING AN ENGINE - Presently disclosed are methods and systems for diagnosing a coolant leak of an engine. A method may include diagnosing a coolant leak of an engine based on identified fill signatures of a measured engine coolant pressure. A vehicle system is also disclosed, including an engine, a coolant system operatively connected to the engine, a coolant pressure sensor configured to measure engine coolant pressure during operation of the engine, and a controller, including instructions configured to create a coolant pressure profile corresponding to a given engine speed, and diagnose a condition of the engine based on the coolant pressure profile.
|Leakage Detector For Compressors - A compressor leakage detector includes a water tank, an elevator platform, a control panel, and a pressure testing unit. The elevator platform is disposed in the water tank to rise and drop vertically. The operating panel of the control panel has a human-machine interface, indicators, and pressure gauges. The pressure testing unit in the control panel uses an intake pipe to connect to several branch pipes that in turn connect to the compressors in the water tank. Each of the branch pipes connects in series to at least one intake EM valve and at least one exhaust EM valve. A pressure sensor is interposed between the intake EM valve and the corresponding compressor.
|LEAK DETECTOR - A leak detector for use with a piping system, where the leak detector includes a housing configured to be attached to a conduit and a valve configured and arranged for axial movement with respect to the housing. Additionally, there is a magnet attached to the valve for movement therewith. Embodiments of the invention also preferably include a magnetically-actuated switch positioned within the leak detector along an axial flow path of a fluid such that axial movement of the magnet triggers the switch, which indicates fluid flow through the leak detector. In certain embodiments, there is also a leak passageway that permits a relatively small amount of fluid to pass to an outlet side of the valve even when a diaphragm is in seating contact with the valve if fluid pressure on the outlet side of the valve is slightly lower than fluid pressure on an inlet side of the valve.
|SENSOR LINE FOR MONITORING FOR AND LOCATING LEAKS AND METHOD FOR ITS PRODUCTION - A sensor line for monitoring for and locating leaks in an installation, in which chlorine escapes to the area surrounding the installation if there is a leak. The sensor line contains a carrier pipe. The wall of the carrier pipe has openings which are closed by at least one layer which is permeable for chlorine and contains a halogen-containing siloxane rubber.
|GAS LEAK DETECTION APPARATUS AND METHOD - According to the present invention, mistaken detection of a gas leak can be prevented even when using an appliance which has been newly installed in a dwelling receiving a gas supply, and whereby a gas leak can be detected rapidly, efficiently and accurately. The characteristics extraction means
|APPARATUS FOR LEAKAGE TESTING AND/OR PRESSURE TESTING OF A PORTION OF A PIPE AND ALSO A METHOD FOR USE OF SAME - The present invention relates to an apparatus (
|Passive Leak Detection Devices and Systems for Detecting Gas Leaks - A passive leak detection device may include a pressure switch, a check valve and a balance valve. The pressure switch may include an electric input lead, an electric output lead, a balance chamber and an inlet chamber. A pressure differential between the balance chamber and the inlet chamber may be operable to couple the electric input lead to the electric output lead. The inlet chamber may be fluidly coupled to a fluid port. The balance chamber may be fluidly coupled to the fluid port with a check valve disposed there between. The balance chamber may be fluidly coupled to a balance valve. When the balance valve is closed and fluid is flowing out of the fluid port, the pressure differential from the inlet chamber to the balance chamber is operable to couple the electric output lead to the electric input lead thereby indicating of a leak.
|Method for Verifying the Tightness of a Tank Bleeding System without Using a Pressure Sensor - In a method for verifying the tightness of a tank bleeding system with a tank bleeding valve, a stop valve for air-tightly closing the tank bleeding system relative to an atmosphere prevailing outside the motor vehicle, and a bistable pressure switch whose switched condition indicates whether a predefined switching pressure is exceeded or not reached in the tank bleeding system, in order to be able to determine the tightness of the tank bleeding system without using a pressure sensor, the following steps are carried out: waiting until the vehicle speed drops below a certain threshold; opening the tank bleeding valve; closing the tank bleeding valve when a negative pressure has been attained which lies below the switching pressure; measuring the duration from the time an initial pressure lies below the switching pressure until the moment the switching pressure is exceeded again; and assessing the tightness is assessed based on the measured duration.
|METER REGISTER - A meter register includes a register body having a rotatable drive shaft coupled thereto. A drive gear is attached to the drive shaft and at least one follower gear is rotatably attached to the register body and coupled with the drive gear. An antenna is provided that includes a first electrically conductive sheet, a second electrically conductive sheet, and an axially extending leg electrically connected to the first electrically conductive sheet and the second electrically conductive sheet. A first electrically conductive sheet is spaced an axial distance away from the second electrically conductive sheet wherein at least a portion of the register body is sandwiched between the first electrically conductive sheet and the second electrically conductive sheet. The meter register can be attached to a meter body and, further, an auxiliary antenna can be attached to the meter register. Also disclosed is a method of operation of a utility measuring system that incorporates the above-described meter register.
|METHOD TO DETERMINE GAS LEAKAGE FROM UNDERGROUND PIPELINES - Method to determine the point of the gas leak from the buried pipeline located in the ditch under the soil, providing positioning at least one fiber-distributed temperature transmitter in the soil over the pipeline; the fiber-distributed temperature transmitter's readings allow to determine the leak point presence and location; the method is characterized by the fact that the fiber-distributed temperature transmitter is located above the pipeline surface; in the ground, between the pipeline and the transmitter or over the transmitter a shield is mounted which deflects the gas flow (in case of leakage) in the upper central part of the ditch adjacent to the transmitter and preventing the gas flow to the ditch peripheral areas located far away from the transmitter; the temperature is measured continuously and by the temperature drop the gas leak and its location is determined.
|SYSTEM AND METHOD FOR UTILITY METERING AND LEAK DETECTION - The system and method for detecting water and/or gas leaks by monitoring usage patterns is described. In one embodiment, the existence of a leak is detected by looking for usage patterns wherein water or gas is always being used, at least at a low rate. A leak is indicated if usage does not drop to zero, at least for a period of time, during a given time interval (e.g., during a 24-hour period). The severity of the leak is indicated by the minimum amount of usage during the given time period. In one embodiment, the leak detection system is provided in connection with an Automatic Meter Reading (AMR) system.
|METHOD AND APPARATUS FOR DETECTING A LEAK IN A DOUBLE PIPE - In a method for detecting a leak in a double pipe, a medium located in an intermediate chamber between the interior and exterior pipe is moved toward a first end of the pipe, whereupon the medium flows in from the second end. On the first end the medium is examined for any leakage of a characteristic material, upon the detection of which a leakage signal is generated and a location of the leakage is calculated based on the transport time of the characteristic material from the leakage to the first end and on the mass flow of the medium. A corresponding device contains a conveyor unit for moving the medium through the intermediate chamber. A material sensor is disposed at the first end for examining the medium for the characteristic material. A control and analysis unit is provided for generating a leakage signal and calculating the location of the leakage.
|ANODE LEAK TEST IMPLEMENTATION - A system and method is provided for detecting an anode leak of an anode stream in a fuel cell stack. The system comprises a controller that stores at least one first predetermined control value that corresponds to a first pre-selected pressure level. The controller generates at least one first operational control value. The controller controls a pressure regulator device to adjust the pressure of the anode stream to reach the first pre-selected pressure level with the at least one first operational control value. The controller compares the at least one first operational control value to the at least one first predetermined control value. The controller determines the presence of an anode leak in the anode stream based on the comparison of the at least one first operational control value to the at least one first predetermined control value.
|METHODS AND SYSTEMS FOR VALVE LEAK SIMULATION - A method for simulating a compressor valve leak is described. The method includes inducing a flow of gas past a compressor valve that is coupled to a bypass block, wherein the bypass block defines a first passageway and a second passageway therein, and wherein the bypass block is also coupled to a bypass valve that is in flow communication with the second passageway. The method also includes measuring a first temperature and a second temperature. The first temperature is the temperature of the gas flowing through the first passageway of the bypass block and the second temperature is the temperature of gas flowing within the second passageway. The method also includes adjusting the bypass valve to divert a portion of the gas flowing through the second passageway to create temperature conditions substantially similar to conditions that are created due to a compressor valve leak.
|CONTROL METHOD AND DEVICE OF FILLED WATER VOLUME IN FLUID SPACE - There are provided a control method and a device of a filled water volume in a fluid space through which the fluid space can be filled with water while preventing a pipe in the fluid space from making contact with the filling water by controlling the filled water by controlling the filled water volume.
|OIL MIGRATION SYSTEM - An apparatus and a system is provided that may be utilized to determine oil migration and oil displacement from a pre-oiled air filter. The present invention may also be utilized to determine if oil is displaced from the air filter onto a portion of the apparatus for visualization to a user. The present invention utilizes a demonstration apparatus having a system for forcing air through the oil subjected air filter thereby attempting to force displacement of the oil from the air filter. The apparatus utilizes a blowing means whereby the oil infused air filter is subject to higher than normal air flow and whereby the apparatus has a deflection portion whereby if oil is displaced from the air filter, it is deflected onto the deflection portion where it would be physically viewable to an observer present in the vicinity of the apparatus.
|Method and System for Detecting a Leakage in a Pipeline or Similar Conduit - The invention concerns a method and a system for detecting a leakage in a pipeline (
|FUEL SYSTEM FOR A COMBUSTION ENGINE HAVING LOCAL LEAKAGE DETECTION - The application relates to a connector (
|FLUID CONVEYING TUBE AND FLUID LEAKAGE DETECTING SYSTEM - Provided are a fluid conveying tube and a fluid leakage detecting system which can convey a cryogenic fluid such as LNG and which can quickly and reliably detect leakage of the fluid within the tube and the position of the leakage. An optical fiber
|Anomaly judgment device - There is provided an anomaly judgment device that is capable of detecting an abnormal state of a system highly accurately and obtaining an accurate result. The anomaly judgment device comprises a plurality of anomaly judgment means for judging an anomaly of the system and, in cases where it is judged by the plurality of anomaly judgment means that there is an anomaly, judgment means judges that a system anomaly exists. Hence, even in the event of a localized abnormal state judgment by one anomaly judgment means or failure, a final judgment is not made based on that anomaly alone, and at least one other anomaly judgment is made, whereby erroneous judgments can be eliminated and a highly accurate anomaly judgment is possible.
|Leakage Detection Device - A leakage detection device includes a housing having a front hole at the front side for guiding in air and an exhaust hole at the rear side for exhaust of air, a sensor mounted in the housing in air communication with the front hole for detecting the presence of a coolant in the intake flow of air, and a fan assembly mounted in the housing for drawing outside air to flow through the front hole, the sensor and the exhaust hole, and a cable connectable to a digital coolant pressure gauge for transmitting power supply from the digital coolant pressure gauge to the fan assembly and the sensor and for transmitting an output signal from the sensor to the digital coolant pressure gauge for indication.
|PIPE PRESSURE TESTING METHOD AND APPARATUS - A pipeline pressure testing assembly has a fitting defining a flow path and having a port on a wall of the fitting into which a pressure testing device is removably inserted along a central axis of the port for pressure testing. The port is circular, larger than the interior diameter of the pipeline and located at or above the tube forming the flow path through the fitting. The fitting has a recess encircling at least part of the flow path and opening to the port to receive the testing and sealing devices. The recess is formed by two opposing walls inclined relative to the central axis of the recess. The recess walls at the top of the flow path by the port are spaced apart a distance as large as the pipe diameter for cleanout and inspection. A tubular valve stem screws into the testing device and has a rotary valve blocking flow through the tubular valve stem. Flow through the fitting is blocked with the rotary valve closed and the tubular valve stem in a first position. Flow through the testing device is allowed with the rotary valve closed and the tubular valve stem in an open position. With the rotary valve open, flow through the tubular valve stem is permitted when the tubular valve stem is in either the first or second position to provide multiple drain and fill options.
|METHOD AND DEVICE FOR DETECTING AND/OR QUANTIFYING WATER LEAKS - The invention relates to a method for detecting and/or quantifying water leaks in a water pipe, and to a device for realizing said method. The method of the invention comprises measuring the water flow rate in the pipe in at least two different locations, i.e., one downstream and one upstream relative to the suspected leak, the water flow rate being measured by injecting a tracing agent that modifies the water conductivity instantaneously at an upstream location and a downstream location relative to the suspected leak location, continuously measuring the water conductivity downstream from said locations and, from the conductivity values, calculating the water flow rates upstream and downstream relative to the suspected leak location in the pipe. The method of the invention can be used for quantifying a leak flow rate that can even be a very small one.
|METHOD FOR LEAK DETECTION IN DOSING SYSTEM - A method for detecting a leak in a dosing manifold system having a manifold body, first valve assembly, and a device capable of preventing fluid flow. The method including the steps of transporting a fluid into a control fluid circuit, trapping the fluid in the circuit with the first valve assembly and the device capable of preventing fluid flow, blocking the fluid outside the control fluid circuit, relieving pressure outside of the circuit via the first valve assembly, measuring pressure inside the circuit, and comparing the pressures with selected baseline values.
|Method and System for Fluid Valve Leak Detection - A method detection of leakage through at least one first valve includes admitting an amount of fluid into a first control volume in operable communication with the at least one first valve, thereby pressurizing the first control volume. The first control volume is isolated and a rate of change of pressure in a second control volume in operable communication with the at least one first valve is measured. A system for detecting leakage across at least one first valve includes a first control volume receptive of an amount of fluid and a second control volume in flow communication with the first control volume. At least one first valve is located between the first control volume and the second control volume, and a rate of change in pressure in the second control volume indicates a rate of leakage through the at least one first valve.
|AIR VENT COVER FOR USE IN TESTING AIR LEAKAGE OF AN AIR DUCT SYSTEM - The present invention discloses an air vent cover for use in testing air leakage of an air duct system. The air vent cover includes a cover portion shaped to define a hollow cavity for enclosing an air vent. The air vent has a grill adjacent to a surface surrounding the air vent, and the grill has one or more louvers. The air vent cover includes a flexible connector extendable from the cover portion through the hollow cavity to the air vent. The flexible connector is removeably attachable to at least one of the louvers on the grill of the air vent. The flexible connector adjusts to secure an edge of the cover portion against a region of the surface surrounding the air vent, thereby creating a seal for inhibiting air flow through the air vent.
|IEC 61158-2 ELECTRICAL CIRCUIT WITH WATER DETECTION MEANS COMPRISING A PHYSICAL LAYER ATTRIBUTE MODIFIER - An electrical circuit confirming to the IEC 61158-2 standard comprising a power supply, a device as a load thereof, and monitoring means adapted to monitor one or more physical layer attributes of the electrical circuit, in which the device comprises an enclosure, device function electronics disposed therein and two terminals connecting said device function electronics to said electrical circuit, in which water detection means is disposed inside said enclosure, and comprises water detection probes and a physical layer attribute modifier mounted across said electrical circuit in parallel with said device function electronics, and in which when said water detection probes detect water said physical layer attribute modifier makes a modification to a physical layer attribute of the electrical circuit, which modification is detectable by said monitoring means.
|METHOD AND APPARATUS FOR DETECTING A LEAK IN A FUEL DELIVERY SYSTEM - A leak detection system is provided for detecting a leak in a fuel line. A controller determines the presence of a leak in the fuel line based on an analysis of data obtained from individual leak tests performed on the fuel line, the individual leak tests may span one or more fuel delivery events.
|LEAK DETECTION SYSTEM FOR A DISHWASHER AND ASSOCIATED METHOD - A leak detection system for a dishwasher is provided, such a leak detection system comprises a catch pan having a bottom portion and adapted to collect a leaking fluid therein. The leak detection system further comprises a leak detection device mounted above the bottom portion of the catch pan. The leak detection device includes a body portion with adjacent and spaced apart first and second contacts extending therefrom toward the bottom portion of the catch pan. One of the first and second contacts extends further toward the bottom portion than the other of the first and second contacts, so as to space the other of the first and second contacts from the bottom portion of the catch pan. An associated method is also provided.
|FLOW SENTINEL - A flow sentinel for improved remote monitoring and control of the flow in a water line serving a residential or commercial structure comprises: (1) a watertight case having a first side and a second side oppositely placed; (2) a water inlet positioned in the first side of the watertight case; (3) a water outlet positioned in the second side of the watertight case; (4) a water flow meter in operable contact with the water inlet and the water outlet; (5) at least one means for display and/or remote transmission of the flow rate of the water; (6) an alarm; (7) means for shutting off the flow in a water line; and (8) means for powering the water flow meter.
|TEST APPARATUS AND METHOD FOR SAFETY VALVE - An apparatus and method for testing the performance of a safety valve. The apparatus includes an accumulator including at least one electric heater for heating a predetermined amount of water in the accumulator, and storing steam produced by the electric heater, a test vessel storing the steam supplied from the accumulator, and providing steam at a test pressure to a safety valve, the steam being supplied after controlling flow rate and pressure, a condensing tank storing demineralized water to be supplied to the accumulator, and condensing and collecting the steam discharged from the safety valve, and a water-supply pump supplying the water stored in the condensing tank to the accumulator.
|LINE LEAK DETECTOR AND METHOD OF USING SAME - An apparatus for detecting a leak in a conduit line includes a housing in fluid communication with the line, a valve including a valve seat and a valve element movable relative to the seat between opened and closed positions, a bypass line around the valve, a flow detector coupled to the bypass line for detecting fluid flow therethrough, and a first mechanism configured to urge the valve element toward the closed position. The apparatus may further include a second mechanism separate from the first mechanism for maintaining the valve element in the closed position until a threshold pressure drop is reached. The first mechanism may operate on the principle of buoyancy and the second mechanism may operate on the principle of magnetism.
|METHOD AND SYSTEM FOR MONITORING GAS LEAKS BY AMPLIFICATION OF FLOW - A method to amplify the pressure effects of very small flows, or very small leaks, in contained fluid systems, and the effects of small leaks in fluid systems that have small flows such as would occur in a combustible gas system with lighted pilot lights or a contained water system with a drip watering system, while not affecting the normal operation of such fluid systems, and without interfering with the function of such small flows.
|Apparatus and Method for Testing Lengths of Pipe - An apparatus for pressure testing a pipe includes a frame supporting a mandrel, the mandrel being adapted for positioning within the pipe, and two sealing devices connected to the mandrel and adapted to seal opposite ends of the pipe to create an annular space between the mandrel, the pipe, and the sealing devices. The integrity of the pipe is tested by pressurizing the annular space and monitoring such pressure.
|PIPELINE LEAK DETECTION SYSTEM - A pipeline leak detection system, includes, in combination, a pipeline; pressure sensors positioned at regular spaced intervals along the pipeline to monitor pressure within the pipeline; and a monitoring station receiving data from the pressure sensors. The monitoring station establishes a normal pressure profile of relative pressures recorded by the pressure sensors along the pipeline in the absence of a leak and issues an alarm should one of the pressure sensors provide data which is uncharacteristic of the normal pressure profile, indicating a leak in the vicinity of the one pressure sensor.
|Device for detecting water leaks - A device for detecting water leaks, which comprises an inlet and an outlet and can be installed along a main duct; the main duct can be crossed by a flow of liquid. The detection device comprises at least one bypass flowmeter, in order to measure the flow rate along at least one bypass duct arranged in parallel to the main duct. Along the main duct there are flow control elements, for diverting the flow toward the bypass duct; the flow control elements can be deactivated automatically when a predefined value of difference in pressure between the inlet and the outlet is exceeded.
|DEVICE, SYSTEM, AND METHOD FOR DETECTING AND LOCATING MALFUNCTIONS IN A HYDRAULIC STRUCTURE, AND A HYDRAULIC STRUCTURE WITH SAID DEVICE - The invention relates to a device (
|EVAPORATION LEAK CHECK SYSTEM - A pump characteristics expression of a pump is developed based on a closed-state pressure detected when the pump is driven while a space between a pump passage and a first passage is closed, an open-time pressure detected immediately after the space is opened while the pump is operated, and a flow rate characteristics expression of the pump passage. A reference pressure is determined by an intersection point between the pump characteristics expression of the pump and a flow rate characteristics expression of an orifice having a predetermined passage area. A leak check portion determines whether a leak of fuel evaporation generated from a fuel tank is within an allowable range by comparing the reference pressure and a pressure detected when the pump is operated for a predetermined period while the space is opened.
|DUAL SUBMARINE LEAK DETECTION SYSTEM - The dual submarine leak detection system provides for controllable in-pipe leak detection. The dual submarine leak detection system includes first and second submarines joined to one another by a tether. Each of the submarines includes a housing and at least one leak detector mounted thereon. A communication transceiver is mounted in the housing for remotely communicating the leak condition and a location of the leak condition, as well as receiving control and communication signals. Each submarine further includes at least one selectively retractable leg mounted on the housing and selectively extending therefrom, and a motor mounted within the housing for driving a propeller to propel the submarine through a fluid-filled pipe. A control system further allows for controllable or programmable steering of the submarine through the fluid-filled pipe and any pipe joints associated therewith.
|SYSTEM AND METHOD FOR AIR CONTAINMENT ZONE AIR LEAKAGE DETECTION - A system for measuring hot or cold aisle containment air leakage in a data center includes a plurality of equipment enclosures arranged in a first row and a second row, a plurality of panels cooperatively arranged with the plurality of equipment enclosures to form an air containment region, and a conduit mounted within the air containment region and sealed at each end, the conduit having an orifice and a plurality of openings distributed at substantially uniform intervals along a length of the conduit.
|LEAK DETECTION SYSTEM - A hose leakage detection system includes a ring configured to be disposed within a hose. The ring has a lateral slot formed in an outer surface, defining a first slot wall and a second slot wall. A sensor is disposed on one of the first slot wall and the second slot wall and a power source is electrically connected to the leakage detection system.
|PIPE PRESSURE TESTING METHOD AND APPARATUS - A sealing device is provided for use with a fitting. The fitting has circular port and a flow path with a longitudinal axis. A circular port encircles a portion of the flow path opposite the port with the sealing device inserted into the port. The sealing device has a circular top with two opposing surfaces depending therefrom but inclined so the surfaces are closer at the top. A continuous sidewall joins the periphery of the two surfaces. The opposing surfaces are inclined and spaced apart further at the top than at an end opposite the top. A cylindrical hole through the opposing surfaces encircles the flow path during use.
|LEAK DETECTION SYSTEM - The system includes structure for supporting at least one tube within a pipe. The tube has one end disposed close to, or in contact with, a wall of the pipe. A sensor is disposed within the at least one tube to detect a pressure gradient or fluid movement within the tube. Such pressure gradient or fluid movement indicates a leak in the pipe adjacent to the tube location. In a preferred embodiment, the structure is a ring sized to fit within the pipe and the ring supports a plurality of tubes. In another aspect, the tube includes a restriction to prevent flow and pressure is measured on each side of the restriction.
|DEVICE FOR CONTROLLING LEAKS AND METHOD FOR OPERATING THE SAME - A leak detection system includes a water delivery device having a flow chamber, closing valve member and at least one contact seat for receiving a portion of the closing valve member. A first contact is located on the closing valve member and a second contact is located on the contact seat, where the first and second contacts are coupled to a leak detection circuitry. A water flow detection element is located within the flow chamber, where the leak detection circuitry is configured to be in an inactive mode when the first and second contacts are apart and where the leak detection circuit is set to active when the first and second contacts are in contact with one another, when the closing valve member and contact seat are in a closed arrangement.
|EVAPORATION SYSTEM LEAK DIAGNOSTIC APPARATUS - An evaporation system leak diagnostic apparatus that purges fuel vapor from a fuel tank into an intake system of an internal combustion engine via a canister, includes: a first closed system leak diagnostic unit that executes a leak diagnostic on a first closed system based on a tank internal pressure detected by a tank internal pressure detecting device while the first closed system is formed with a first closed system forming device; and a second closed system leak diagnostic unit that introduces pressure in the first closed system into a second closed system by forming a second closed system with a second closed system forming device, and executes a leak diagnostic on the second closed system based on the tank internal pressure detected by the tank internal pressure detecting device, after the leak diagnostic by the first closed system leak diagnostic unit.
|FLUID LEAK DETECTION SYSTEM - A fluid leak detection system is provided, and includes a fluid conduit, a fluid-cooled device having an inlet and an outlet, an inlet flow meter, an outlet flow meter, and a controller. The inlet flow meter is fluidly connected to the fluid conduit. The inlet flow meter monitors the inlet of the fluid-cooled device for an inlet temperature and an inlet flow rate. The inlet flow meter has an inlet flow meter drift versus process fluid temperature curve. The outlet flow meter is fluidly connected to the fluid conduit. The outlet flow meter monitors the outlet of the fluid-cooled device for an outlet temperature and an outlet flow rate. The outlet flow meter has an outlet flow meter drift versus process fluid temperature curve. The controller is in communication with the inlet flow meter and the outlet flow meter.
|WATER LEAKAGE CHECKING APPARATUS - A water leakage checking apparatus includes: a plurality of attachment portions for attaching an endoscope; a water leakage sensing portion that communicates with the plurality of attachment portions and simultaneously carries out a plurality of items of a water leakage check menu; and an endoscope information reading portion that reads endoscope information from the endoscope. Also, the water leakage checking apparatus includes: a control portion that determines an item of the water leakage check menu based on the read endoscope information, assigns the determined item of the water leakage check menu to one of the plurality of attachment portions, and outputs attachment portion identifying information for identifying the assigned one of the attachment portions; and a notifying portion that notifies the attachment portion identifying information outputted from the control portion.
|METHOD FOR LEAK-TESTING HAND-HELD PISTON STROKE PIPETTES AND ASSOCIATED LEAK-TESTING APPARATUS - A method for leak testing of hand-held piston stroke pipettes and a corresponding leak testing apparatus (
|FLUID LEAK DETECTION SYSTEM - A fluid leak detection system is provided, and includes a fluid conduit, a fluid-cooled device having an inlet and an outlet, an inlet flow meter, an outlet flow meter, and a controller. The inlet flow meter and inlet flow meters are fluidly connected to the fluid conduit. The inlet flow meter monitors the inlet of the fluid-cooled device for an inlet temperature and an inlet flow rate. The inlet and outlet flow meters each have flow meter drift versus process fluid temperature curves as well as drift versus ambient temperature curves, wherein the curves for the inlet flow meter differ from the outlet flow meter. The outlet flow meter monitors the outlet of the fluid-cooled device for an outlet temperature and an outlet flow rate. The controller is in communication with the inlet flow meter and the outlet flow meter.
|METHOD FOR DETECTING LEAKS, SYSTEM AND MEDICAL TREATING DEVICE - The present invention relates to a method for detecting leakages in a system for conducting a medical fluid upstream a shut-off device of the system as well as systems related thereto. More specifically, the method is used with systems having a section conducting the medical fluid, the section being arranged upstream the shut-off device, which is configured to interrupt or reduce an escaping or outflow of the fluid out of the section into an area downstream the shut-off device. The system for use with the present method further has at least one conveying device for conveying the fluid through the section. The present invention further relates to a digital storage medium, a computer program product and a computer program for performing the method for detecting leakages.
|Leak detecting apparatus - Apparatus and method for use in testing the fluid tightness of closed vessels or fluid systems, such as found in the pressurized cooling system of an internal combustion engine and the fluid transmission of an automobile. The apparatus is configured to detect and/or quantify fluid leakage from a fluid system that is under pressure, when in use, such as through imperfections in the housing or sealing structure of the fluid system whereby to warn the provider of such fluid system that a leakage condition exists.
|METHOD FOR LEAK-TESTING AND DEVICE FOR CARRYING OUT THE METHOD - A method for leak-testing a fuel supply system has been provided, wherein the fuel supply system comprises a fuel tank, a fuel injection valve, fuel lines between the fuel tank and the fuel valve, and a control valve controlled by a diaphragm, and wherein the diaphragm bounds a control chamber on one side, the method comprising: acting upon the portion of the fuel supply system upstream of the control valve with a predetermined pressure level, acting upon the side of the diaphragm facing away from the control chamber with a counterforce, wherein the counterforce is equal or greater to the predetermined pressure level. A device for leak-testing a fuel system according to the above method, wherein the device comprises a test pressure unit with at least one test pressure line, wherein said test pressure line is connectable to the fuel supply system.
|IN-PIPE LEAK DETECTION BASED ON PRESSURE GRADIENT - Leak detection system. The system includes a structure sized to fit within a pipe for supporting at least one sensing element near an inside wall of the pipe, whereby a pressure gradient at a leak in the pipe will cause the sensing element to respond. Structure is provided for detecting movement or deformation of the sensing element, the movement or deformation indicating the presence of a leak. In a preferred embodiment, the structure includes two spaced-apart rings for supporting the at least one sensing element. The sensing element is a diaphragm in a preferred embodiment. In this embodiment, the sensing element is supported for movement with respect to the ring structure which includes sensing circuitry for detecting the movement to indicate a leak. Other embodiments employ different sensing elements that respond to pressure gradients near leaks.
|HIGH PRESSURE AND TEMPERATURE VALVE - The present disclosure is directed to systems and methods which provide a seal-less high temperature and pressure valve for use in many applications.
|ON BOARD SEAT LEAKAGE DETECTION SYSTEM - Equipment and methodology are provided for performing seat leakage detection on a valve assembly including at least two valves to be tested, wherein, while both of the valve assembly valves remain closed, at least a first shut off valve of a plurality of shut off valves is closed to enable flow of fluid through manifold passages of a plurality of manifold passages to test the first valve of the valve assembly valves and, subsequently, at least another shut off valve of the plurality of shut off valves is closed to enable flow of fluid through manifold passage of the plurality of manifold passages to test the second valve of the valve assembly valves.
|SEAL LEAKAGE AND SEAL OIL CONTAMINATION DETECTION IN GENERATOR - In an embodiment, a system includes: a casing for surrounding at least a portion of a rotor, and enclosing a volume of a cooling gas thereabout, the casing including a plurality of static seals; an end housing at each end of the casing, each end housing including a seal system through which the rotor extends, wherein a portion of cooling gas escapes from the casing to at least one seal area; and a source of cooling gas fluidly coupled to the casing by a cooling gas regulator. The system may further include: a scavenging system coupled to each end housing for removing a gas mixture therefrom including a portion of escaping cooling gas; a sensor for determining a purity of the cooling gas in the casing; and a static seal leak detector that generates an alarm indicative of a leak in at least one of the plurality of static seals.
|MONITORING FLUID FLOW IN A CONDUIT - According to the present invention, there is provided a method of monitoring a fluid in a fluid carrying conduit comprising the steps of: monitoring a fluid characteristic at a first point and second point along the conduit substantially continuously, determining first and second quantities, being related to a differential with respect to time of the value of the fluid characteristic at the first and second points respectively, combining the first and second quantities to produce a two dimensional intensity function of time and a position variable and analysing the magnitude of the intensity function to derive information relating to the fluid. The intensity function may represent a substantially continuous probability function, wherein its absolute value is related to the probability of a leak or theft having occurred in the conduit. Furthermore, a method of determining the presence and location of leaks in, or thefts from, the conduit by determining whether or not the magnitude of the intensity function satisfies pre-determined criteria is disclosed. A method of determining the speed of pressure waves propagating through a fluid flowing in a fluid carrying conduit by analysing the two dimensional intensity function is also disclosed. An apparatus suitable for performing all of the above mentioned methods is also claimed.
|METHOD AND APPARATUS FOR CONTINUOUSLY MONITORING INTERSTITIAL REGIONS IN GASOLINE STORAGE FACILITIES AND PIPELINES - An underground storage system includes a primary containment unit and a secondary containment unit. The underground storage system further includes a leak detection system which is fluidly connected to the secondary containment system, and which is adapted to detect fluid leaks in the primary containment system and the secondary containment system.
|FUEL VAPOR LEAK DETECTING DEVICE AND FUEL VAPOR LEAK DETECTING METHOD USING THE SAME - A fuel vapor leak detecting device includes a pump, a housing having a pump passage connected to the pump, a switching valve, a pressure detector, and a control device detecting a shutoff pressure that corresponds to an interior pressure of the pump passage detected by the pressure detector when the pump is actuated while the switching valve is closed. The control device controls the switching valve to be opened at least once and to be closed at least once when the shutoff pressure is out of a specified range. The control device detects a fuel vapor leak when the shutoff pressure is in the specified range.
Patent applications in class Fluid handling conduit in situ
Patent applications in all subclasses Fluid handling conduit in situ


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LAKEWOOD — Picture this: A workhorse running back.
The kid has got to be fast, right? Durable. Tough. Have a real nose for the end zone. Get you those tough yards between the tackles. When times are rough – and they always are at some point in the playoffs – you have to be able to hitch your offense to him and ride his legs to victory.
That describes Eagles running back Andrew Melton perfectly, even if the senior doesn't always look the part.
ARVADA — Nathan Wiggins wasn't really sure what happened with 8 minutes, 43 seconds remaining in the fourth quarter.
The Pomona Panthers were trying to pick on him at the North Area Athletic Complex as they trailed the Columbine Rebels 23-8. The home team was going for a home run and Wiggins was their prey.
Or not.
LAKEWOOD — Columbine and Arvada West each learned an important lesson Nov. 8.
The Rebels learned that they must always take responsibility for their actions – both on and off the field – following the suspension of eight players who were cited for underage possession of alcohol while attending a party last weekend.
Arvada West learned that Columbine is still Columbine, regardless of who is – and isn't – in uniform.
DENVER — The turning point came early for the Columbine Rebels, and they quickly found themselves on a long and lonely road.
Faced with a pivotal Class 5A state volleyball tournament game bright and early the morning of Nov. 7, the Rebels rallied to force a fifth game against Highlands Ranch. The Rebels (22-7) got down 4-0, then 7-2, then 10-3 before losing the decisive game 15-9.
"They wanted it more than we did," Rebels coach Kathy Miks said.
LAKEWOOD — The 2008 football season for Chatfield had been littered with close games.
It ended with a blowout.
Unable to contain Pomona's Donovan Bowens, who rushed for 157 yards and a pair of touchdowns, the No. 20 Chargers wound up on the short side of a 28-3 score Nov. 8 in a Class 5A state playoff second round game at Jefferson County Stadium.
Pomona, the No. 4 seed in the 32-team field, advances to the quarterfinals where they will take on No. 5 Columbine. The Chargers end the season with a 6-5 record.
Playing in Pueblo hadn't been pretty for Dakota Ridge in recent years.
In 2005 and 2007, the Eagles' football season came to a close in the city to the south.
This year, that all changed.
Dakota Ridge, the No. 14 seed in the 16-team Class 4A state football tournament, toppled previously unbeaten and third-seeded Pueblo South 37-22 to advance to the quarterfinals.
LAKEWOOD — Zane Norris.
Perhaps no one else on the current Columbine roster reflects why the Rebels have been the state's elite football program over the past decade better than he.
After all, how many other teams can throw a linebacker into its starting backfield and have him rush for over 100 yards and score three touchdowns?
For Columbine, the shuffling of players has always been an Andy Lowry tradition, but this year it's become a necessity.
Eight members of the Columbine football team have been suspended for the team's Nov. 8 Class 5A state playoff second-round game against Arvada West, local media reports indicate.
On Nov. 1, a party was held, and about 90 students from Columbine High attended. According to Columbine athletic director Ed Woytek, 65 students were cited with minor-in-possession tickets by police.
LAKEWOOD — With circumstances piling up against them, Chatfield's boys soccer team were just 12 seconds away from leveling the playing field against Regis.
Yes, the Chargers would have missed dismissed co-captain Billy LaGreca in a penalty shootout, but they would get to hang a lot hope on goalkeeper Aaron Sarfaty, who had played great for more than 109 minutes.
FORT COLLINS — It turns out the only footsteps Evan Appel heard were his own as he sprinted down the home stretch Oct. 25.
The Dakota Ridge senior was driven by a wealth of emotions, from the fear of being caught to the pressure of repeating as Class 5A state champions and the need to give the Eagles a great finish to a frustrating day.
He needed just 15 minutes, 20.24 seconds to do it all.
Copyright © 2014
Columbine Courier is your source for local news, sports, events, and information in South Jefferson County, Colo., and the surrounding area.


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Arizona Diamondbacks
AP Photos: NY Fashion Week's beautiful blur
NEW YORK (AP) - Fashion Week is a beautiful, strange and infinitely colorful event. For eight days twice a year in New York City, the fashion conscious delve into a glamorous world of wearable art.
Using multiple off-camera flashes and long exposures, I created photographs that convey movement on a single frame. One shot and one chance to capture the ebb and flow of Fashion Week's diverse cast of characters.
The concept reflects my perception of the event as organized chaos. Bustling crowds, dramatic lighting and a hectic schedule create a visual storm. Many people have seen video clips of a runway show, but far fewer have been there and felt the booming music and the reaction of the crowds.
My black T-shirt and jeans style may be simple but I've always been aware of the energy on those runways. Big things happen there, and I sought to capture that in motion.
(Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)
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We shared one of these gorgeous condos with another couple. We all had plenty of space. The decor is very modern. Top of the line appliances made everything a breeze. The attention to detail is better than any 5 star resort I've been too. They even had USB ports built into the outlets. Great find. Can't wait to visit again.
- Reservation Options:
- TripAdvisor is proud to partner with Hotels.com, Expedia, Booking.com, TripOnline SA, Despegar.com, Orbitz, Travelocity, getaroom.com, Odigeo, Jetsetter and Tingo so you can book your Santa Maria Suites reservations with confidence. We help millions of travelers each month to find the perfect hotel for both vacation and business trips, always with the best discounts and special offers.
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Vote on this week's styles from Gwyneth Paltrow, Madonna, Angelina Jolie and more stars! You decide – are they fashionistas or flops? By Andrea DeSimone
Credit: Dimitrios Kambouris/WireImage
Updated: Friday Apr 25, 2008 | 11:50 AM EDT
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The star showed off her enviably toned body in a tight Dolce & Gabbana gold
satin number for the New York premiere of her new movie Then She
Found Me.
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John Quincy Archibald (Character)
from John Q (2002)
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FilmographyEdit Credits
- John Q (2002) Played by Denzel Washington
... aka "John Q." - USA (poster title)
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Employee Manager: Your policy has changed, Mr. Archibald.
John Q. Archibald: Changed to what?
Employee Manager: Yeah, we recently switched carriers from a PPO to a HMO. It's a less expensive policy, but unfortunately, there are some restrictions.
John Q. Archibald: What kind of restrictions?
Employee Manager: Here's how it works: Non-management part-time employees, such as yourself, only qualify for second tier catastrophic coverage.
John Q. Archibald: No, no. I'm not part-time. I'm full-time. It's just slow right now.
Employee Manager: Sure, but your coverage is based on hours worked and like I said, you only qualify for second tier. And that has a maximum payout limit of $20,000.
John Q. Archibald: [shocked] What? Wha- I-I mean-I mean, you guys have been taking money out of my paycheck every week. I've been paying into this policy for years.
Employee Manager: Right. And that's why we're gonna cover you for the full twenty.
John Q. Archibald: You can't be right. I mean, come on. Alright, let me get this straight: You're telling me that you have dropped me from full-time to part-time. You switched carriers. Now you're telling me I'm not fully covered? Even though I got a policy that says I am?
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AP IMPACT: Bites derided as unreliable in court
At least 24 men convicted or charged with murder or rape based on bite marks on the flesh of victims have been exonerated since 2000, many after spending more than a decade in prison. Now a judge's ruling later this month in New York could help end the practice for good.
A small, mostly ungoverned group of dentists carry out bite mark analysis and their findings are often key evidence in prosecutions, even though there is no scientific proof that teeth can be matched definitively to a bite into human skin.
DNA has outstripped the usefulness of bite mark analysis in many cases: The FBI doesn't use it and the American Dental Association does not recognize it.
"Bite mark evidence is the poster child of unreliable forensic science," said Chris Fabricant, director of strategic litigation at the New York-based Innocence Project, which helps wrongfully convicted inmates win freedom through DNA testing.
Supporters of the method, which involves comparing the teeth of possible suspects to bite mark patterns on victims, argue it has helped convict child murderers and other notorious criminals, including serial killer Ted Bundy. They say problems that have arisen are not about the method, but about the qualifications of those testifying, who can earn as much as $5,000 a case.
"The problem lies in the analyst or the bias," said Dr. Frank Wright, a forensic dentist in Cincinnati. "So if the analyst is ... not properly trained or introduces bias into their exam, sure, it's going to be polluted, just like any other scientific investigation. It doesn't mean bite mark evidence is bad."
The Associated Press reviewed decades of court records, archives, news reports and filings by the Innocence Project in order to compile the most comprehensive count to date of those exonerated after being convicted or charged based on bite mark evidence. Two dozen forensic scientists and other experts were interviewed, including some who had never before spoken to a reporter about their work.
The AP analysis found that at least two dozen men had been exonerated since 2000, mostly as a result of DNA testing. Many had spent years in prison, including on death row, and one man was behind bars for more than 23 years. The count included at least six men arrested on bite mark evidence who were freed as they awaited trial.
Two court cases this month are helping to bring the debate over the issue to a head. One involves a 63-year-old California man who is serving a life term for killing his wife, even though the forensic dentist who testified against him has reversed his opinion.
In the second, a New York City judge overseeing a murder case is expected to decide whether bite mark analysis can be admitted as evidence, a ruling critics say could kick it out of courtrooms for good.
- Two men convicted of raping and killing two 3-year-old girls in separate Mississippi crimes in 1992 and 1995. Marks on their bodies were later determined to have come from crawfish and insects.


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November 28, 2014
A woman was hospitalized in serious condition after losing control of her car in Council Bluffs Saturday morning.
Police say she was heading east on Wabash Avenue when the car left the road and rolled over near Pioneer Trail just after 3 a.m.
Alcohol is believed to be a factor in the crash.
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As he sits in jail under suicide watch, pressure is mounting on Dominique Strauss-Kahn to resign as the International Monetary Fund's managing director. Charged with sex crimes for an alleged Saturday attack against a hotel maid, Strauss-Kahn, 62, is being held without bail at New York's Rikers Island. Among those who suggest it would be best for the global economy if Strauss-Kahn stepped down are several European finance ministers, U.S. Treasury Secretary Tim Geithner, and even an IMF board member. Can Strauss-Kahn hang onto power?
Guilty or not, he can no longer lead: It's "just a matter of time" before Strauss-Kahn steps aside, says Steven Pearlstein in The Washington Post. Even if he's not guilty, "the damage to his reputation has been done." Thankfully, the IMF's deep bench of economists can continue to conduct "business as usual," even as the Fund struggles to handle Greece's massive debt crisis.
"Steven Pearlstein: The problem with IMF's plan to fix Europe's debt crisis"
The IMF needs to find a permanent replacement soon: Not only should the "obviously" compromised Strauss-Kahn step down, the IMF needs to get a long-range succession plan in place, says Geithner, as quoted by Bloomberg News. The very capable John Lipsky, the fund's second-in-command, is running the organization for now, but he's planning to leave at the end of August. The IMF needs a leader who's in it for the long haul.
"Geithner urges IMF to 'formally' appoint an interim leader"
Strauss-Kahn should step down now, but will he? The IMF boss "is almost certainly on his way out," say Bradley Klapper and Christopher S. Rugaber for the Associated Press. So now, the real question "is whether he'll go willingly." The IMF chief may want to delay his resignation, since stepping down "too soon could feed a public perception of guilt." Some lawyers believe taking a "leave of absence" could allow him to save face as he prepares to stand trial.
"Strauss-Kahn seems on way out, one way or another"
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