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Patent application title: Exhaust gas particulate filter for a machine and filter cartridge therefor
Timothy J. Boland (Eureka, IL, US)
Thomas E. Paulson (Groveland, IL, US)
Herbert F. M. Dacosta (Peoria, IL, US)
Ronak Shah (Peoria, IL, US)
Robert L. Meyer (Metamora, IL, US)
Robert L. Meyer (Metamora, IL, US)
Philip Bruza (Peoria, IL, US)
Michael J. Pollard (Peoria, IL, US)
IPC8 Class: AB01D5000FI
USPC Class:
Class name: Gas separation two or more separators (e.g., spaced filters in flow line or casing)
Publication date: 2008-10-02
Patent application number: 20080236119
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An exhaust particulate filter for an engine system includes a housing
having an inlet, an outlet and a shell shaped to fit the particulate
filter within a predefined spatial envelope. Filter elements are arranged
in a composite filter assembly and are packed within a housing. Each of
the filter elements includes a cartridge having a frame wrapped with
fibrous metallic filter media. The composite filter assembly has a shape
corresponding to the shape of the shell. Each cartridge of the composite
filter assembly is reversibly coupled with a frame internal of the shell
via trapping elements having a release state and a trapping state.
1. An exhaust gas particulate filter comprising:a shell having an internal
frame, an exhaust gas inlet and an exhaust gas outlet, and said shell
having an inner diameter, an outer diameter and a shape; anda composite
filter assembly positioned within said shell and including an array of
identical filter cartridges supported within said frame and reversibly
coupled therewith via trapping elements each having a release state and a
trapping state;said cartridges each having a width and including an open
end, a closed end and a fluid passage connecting with said open end, each
said fluid passage being aligned with a longitudinal axis of the
corresponding cartridge and at least partially surrounded by longitudinal
fluid permeable walls comprising a filter medium; andsaid array defining
a shape that corresponds with the shape of said shell and has a perimeter
spaced from the inner diameter of said shell an average distance which is
less than a width of one of said cartridges.
2. The exhaust gas particulate filter of claim 1 wherein said shell has a longitudinal axis and a cross-sectional area perpendicular a longitudinal axis of said shell, and wherein each of said cartridges also includes a cross-sectional area, the sum of the cross-sectional areas of said cartridges being equal to about twenty-five percent or greater of the cross-sectional area of said shell.
3. The exhaust gas particulate filter of claim 2 wherein the sum of the cross-sectional areas of said cartridges is equal to about seventy-five percent or greater of the cross-sectional area of said shell.
4. The exhaust gas particulate filter of claim 3 wherein said shell comprises a non-circular axial cross-section.
5. The exhaust gas particulate filter of claim 1 wherein said filter cartridges are packed within said housing and separated one from the other within said array by an average distance less than the width of each one of said cartridges.
6. The exhaust gas particulate filter of claim 5 wherein said composite filter assembly comprises at least twenty identical filter cartridges, each of said cartridges having a cartridge frame with a mat of sintered metal fibers wrapped about the cartridge frame and comprising said filter medium.
7. The exhaust gas particulate filter of claim 5 wherein said composite filter assembly includes a cross-sectional area defined by a sum of the cross-sectional areas of each of said cartridges, and wherein said filter cartridges each comprise less than about 5% of the cross-sectional area of said composite filter assembly.
8. The exhaust gas particulate filter of claim 7 wherein said cartridges each comprise a regular polygonal axial cross-section.
9. The exhaust gas particulate filter of claim 1 wherein a first portion of said cartridges have a first orientation, and wherein a second portion of said cartridges have a second orientation opposite said first orientation.
10. The exhaust gas particulate filter of claim 9 wherein cartridges having said first orientation are arranged in an alternating pattern with cartridges having said second orientation.
11. The exhaust gas particulate filter of claim 1 wherein the open end of each of said cartridges includes a flared portion comprising a portion of one of said trapping elements, and wherein said trapping elements include fasteners clamping said cartridges to said frame via said flared portions.
12. A machine comprising:an engine system;a housing positioned about said engine system, said machine having a spatial envelope within said housing; andan exhaust gas particulate filter fitted within said spatial envelope, said exhaust gas particulate filter including a shell having a shape that corresponds with a shape of said spatial envelope and a composite filter assembly positioned within said shell;said composite filter assembly including an array of identical filter cartridges reversibly mounted therein via trapping elements each having a release state and a trapping state, said cartridges each having a width and including an open end, a closed end and a fluid passage connecting with the corresponding open end and at least partially surrounded by longitudinal fluid permeable walls comprising a filter medium; andsaid array defining a shape that corresponds with the shape of said spatial envelope and has a perimeter spaced from the inner diameter of said shell an average distance which is less than a width of one of said cartridges.
13. The machine of claim 12 wherein a first portion of said filter cartridges have a first orientation and a second portion of said filter cartridges have a second orientation opposite said first orientation.
14. The machine of claim 13 wherein cartridges having said first orientation are arranged in an alternating pattern with cartridges having said second orientation.
15. The machine of claim 12 wherein said trapping elements each comprise a threaded portion of a corresponding one of said cartridges.
16. The machine of claim 12 wherein the open end of each of said filter cartridges is a flared end comprising a portion of one of said trapping elements.
17. The machine of claim 12 wherein each of said filter cartridges further comprises a cartridge frame having a sintered mat of metal fibers wrapped thereabout and comprising said filter medium.
18. A cartridge for an exhaust gas particulate filter comprising:a cartridge body having a width and a length which is at least ten times said width, an open end, a closed end and a fluid passage having a uniform width connecting with said open end;said cartridge body further including an outer diameter, an inner diameter and longitudinal walls which define said fluid passage, said longitudinal walls including a sintered mat of metal fibers wrapped about a frame of said cartridge body and comprising a filter medium to filter exhaust gases passing into or out of said fluid passage; anda trapping element configured to reversibly couple said cartridge to a frame of an exhaust gas particulate filter.
19. The cartridge of claim 18 wherein said cartridge body has a length which is equal to about twenty times said width or greater.
20. The cartridge of claim 19 wherein said open end comprises a flared end configured to fluidly seal against a frame of an exhaust gas particulate filter via a sealing member disposed therebetween.
[0001]This application is a continuation-in-part of U.S. patent
application Ser. No. 11/728,905, filed Mar. 27, 2007.
[0002]The present disclosure relates generally to exhaust gas particulate filters for use in machine engine systems, and relates more particularly to such a filter having a composite assembly of replaceable cartridges positioned within a housing and adapted to fit within a predefined spatial envelope.
[0003]Operation of internal combustion engines, particularly compression ignition diesel engines, usually results in the generation of particulate matter (PM) including inorganic species (ash), sulfates, small organic species generally referred to as soluble organic fraction (SOF), and hydrocarbon particulates or "soot." Various strategies have been used over the years for preventing release of PM into the environment. For some time, on-highway machines have been equipped with exhaust particulate traps as standard equipment. More recently, off-highway machines have been the subject of attention with regard to reducing/controlling PM emissions. While various designs for on-highway exhaust particulate filters have proven to be relatively effective in their intended environment, there are certain shortcomings to the designs if subjected to the demands placed on many off-highway machines.
[0004]Conventional exhaust particulate filters used with on-highway machines are available in a wide variety of designs. Commonly, a fibrous material or porous ceramic material is positioned in the path of exhaust exiting an engine, and collects particulates to prevent their escape via the engine exhaust stream. The accumulation of PM within a filter tends to increase the resistance of the filter apparatus to the flow of exhaust gas, necessitating some means of cleaning the filter material, as reduced flow can affect fuel consumption, altitude capability, engine response and exhaust inlet and outlet temperatures. One strategy for removing PM from exhaust filters has been to regenerate the filter via heat or catalysts. In either case, combustion of the accumulated PM is typically induced, and the material is consumed rather than passed out of the machine exhaust system to the environment. As alluded to above, a wide variety of design and operating strategies for exhaust particulate filters have been heretofore proposed. While certain of these designs have worked remarkably well with on-highway machines, in the case of off-highway machines the operating conditions may be such that traditional designs and operating strategies for exhaust particulate filters and regeneration may be less than desirable due to a variety of factors.
[0005]For instance, many off-highway machines operate in relatively rugged environments where frequent physical shocks may be experienced. In the case of certain ceramic filters, impact shocks can actually cause the filter material to crack, reducing or entirely compromising the particulate filter's efficacy. While certain recently developed filter materials such as fibers, wools and yarns, both metallic and ceramic, may be less susceptible to impact-induced damage than filters having solid blocks of material, they often suffer from other shortcomings. For example, the wide temperature swings experienced by many exhaust particulate filters, particularly when hot gases or heaters are used to regenerate the filter media, may result not only in physical damage but chemical degradation of the filter material over time. Ceramic filters also tend to conduct heat rather poorly, and therefore can experience temperature "hot spots" where accumulated PM burns off during regeneration.
[0006]Another problem presented to engineers attempting to design suitable exhaust particulate filters for off-highway applications relates to the limited amount of space available for mounting filter apparatuses on or in machines. While certain older designs might have had ample space under a hood or elsewhere on the machine to mount filtering apparatus, in certain newer designs space may be at more of a premium. Yet another shortcoming of common particulate filter designs relates to the relative difficulty in assembling, disassembling or servicing the system. In particular, filters having multiple filter elements are typically designed such that the assembly of the filter elements into the supporting structure, or removing them, is relatively labor intensive. In some instances, it would be desirable to reuse filter housings and support structures with new filter elements; most common designs, however, do not provide this flexibility and economy. It will thus be readily apparent that engineers are faced with a variety of challenges in designing suitable exhaust particulate filters for on-highway as well as off-highway applications, namely, fitting an exhaust particulate filter of suitable size, shape, durability, constuction and materials within increasingly restricted spatial envelopes.
[0007]U.S. Pat. No. 5,293,742 to Gillingham et al. ("Gillingham") is directed to a trap apparatus having tubular filter elements, for use in particular with diesel engines. In the design set forth in Gillingham, filter tubes surrounded with filter material such as yarn or various foams are used. The filter tubes are positioned within a housing, subdivided into different sectors. During regeneration, parts of the housing can be closed off and the filter tubes therein heated via electric heaters to effect regeneration. While the design of Gillingham may serve its intended purpose, it suffers from a variety of drawbacks. On the one hand, an elaborate system is necessary to direct exhaust gases to only certain parts of the filter apparatus, while restricting flow of exhaust gases to certain parts for regeneration. Restricting flow inherently reduces the efficacy of the filter and possibly the overall exhaust system, as regeneration is often necessary relatively frequently, often numerous times a day depending upon operating conditions. In addition, the Gillingham apparatus may be more vulnerable to damage from rugged off-highway environments due to the techniques used in coupling together its components and may therefore be poorly suited to many such applications, and relatively labor intensive to assemble or disassemble.
[0008]The present disclosure is direct to one or more of the problems or shortcomings set forth above.
[0009]In one aspect, the present disclosure provides an exhaust gas particulate filter, having a shell with an internal frame, and an exhaust gas inlet and an exhaust gas outlet, the shell having an inner diameter, an outer diameter and a shape. A composite filter assembly is positioned within the shell and includes an array of identical filter cartridges supported within the frame and reversibly coupled therewith via trapping elements each having a release state and a trapping state. The cartridges each have a width and include an open end, a closed end and a fluid passage connecting with the open end, each fluid passage being aligned with a longitudinal axis of the corresponding cartridge and at least partially surrounded by longitudinal fluid permeable walls comprising a filter medium. The array defines a shape that corresponds with a shape of the shell and has a perimeter spaced from the inner diameter of the shell an average distance which is less than a width of one of the cartridges.
[0010]In another aspect, the present disclosure provides a machine having an engine system and a housing positioned about the engine system, the machine having a spatial envelope within the housing. The machine further includes an exhaust gas particulate filter fitted within the spatial envelope, the exhaust gas particulate filter including a shell having a shape that corresponds with a shape of the spatial envelope and a composite filter assembly positioned within the shell. The composite filter assembly includes an array of identical filter cartridges reversibly mounted therein via trapping elements each having a release state and a trapping state, the cartridges each having a width and including an open end, a closed end and a fluid passage connecting with the corresponding open end and at least partially surrounded by longitudinal fluid permeable walls comprising a filter medium. The array defines a shape that corresponds with the shape of the spatial envelope and has a perimeter spaced from the inner diameter of the shell an average distance which is less than a width of one of the cartridges.
[0011]In still another aspect, the present disclosure provides a cartridge for an exhaust gas particulate filter, the cartridge including a cartridge body having a width and a length which is at least ten times the width, an open end, a closed end and a fluid passage having a uniform width connecting with the open end. The cartridge body further includes an outer diameter, an inner diameter and longitudinal walls which define the fluid passage, the longitudinal walls including a sintered mat of metal fibers wrapped about a frame of the cartridge body and including a filter medium to filter exhaust gases passing into or out of the fluid passage. The cartridge still further includes a trapping element configured to attach the cartridge body to a frame of an exhaust gas particulate filter.
[0012]FIG. 1 is a perspective view of an off-highway machine, having an exhaust particulate filter, according to one embodiment;
[0013]FIG. 2 is an isometric view of a partially disassembled exhaust particulate filter according to one embodiment;
[0014]FIG. 3 is an isometric view of a partially disassembled exhaust particulate filter according to another embodiment;
[0015]FIG. 4 is a partial exploded view of an exhaust particulate filter similar to that shown in FIG. 3;
[0016]FIG. 5 is a sectioned side view of a filter element for an exhaust particulate filter according to one embodiment;
[0017]FIG. 6 is an end view of a bundle of filter elements shown supported in an end plate, according to one embodiment;
[0018]FIG. 7 is an end view of a bundle of filter elements shown supported in an end plate according to another embodiment;
[0019]FIG. 8 is an end view of a bundle of filter elements shown supported in an end plate according to yet another embodiment.
[0020]FIG. 9 is an end view of a portion of an exhaust particulate filter according to yet another embodiment;
[0021]FIG. 10 is an isometric view of a cartridge suitable for use with the filter of FIG. 9;
[0022]FIG. 11 is a sectioned side view of a portion of an exhaust particulate filter according to one embodiment;
[0023]FIG. 12 is a sectioned side view of a portion of an exhaust particulate filter according to one embodiment;
[0024]FIG. 13 is a sectioned side view of a portion of an exhaust particulate filter according to one embodiment.
[0025]Referring to FIG. 1, there is shown a machine 10 according to one embodiment. Machine 10 is shown in the context of an off-highway track-type tractor having a frame 12, ground engaging tracks 14 mounted to frame 12 and an operator cab 16 also mounted to frame 12. Machine 10 may further include an engine system 22 having an engine 23 such as a compression ignition diesel engine, and an exhaust particulate filter 24 having a design and configuration adapted to fit filter 24 within a predefined spatial envelope. The predefined spatial envelope may be within an engine compartment 18. This space available for mounting filter 24 may be dictated by a variety of factors, including size and shape of various components of engine system 22 such as a turbocharger 26 coupled with an exhaust pipe 28, a hood 20, frame 12 and various other parts of machine 10 depending upon its particular design. Other concerns may also dictate the location, size and shape of the predefined spatial envelope for filter 24. For example, it may be desirable in some instances to locate filter 24 outside of engine compartment 18 for purposes such as thermal management of engine 23, or simply for matters of convenience.
[0026]In any event, it should be appreciated that the present disclosure is not limited to any particular location or configuration of the spatial envelope within which filter 24 will be used. For reasons which will be apparent from the following description, flexibility in design and configuration of filter 24 is contemplated to enable its use despite a broad spectrum of spatial and shape constraints. While off-highway machines such as trucks, tractors, loaders, graders, scrapers, etc. may especially benefit from the use of shape flexible exhaust particulate filters as described herein, the present disclosure is not thereby limited. Machine 10 might be an on-highway machine, or even a stationary machine. Further still, while machines having spatial constraints for filter mounting are mentioned herein, the present disclosure is also not limited in this regard. Filter 24 and its attendant design, materials and configuration may provide advantages even where fitting of a filter within a restricted space is not of primary concern. These and other advantages are further described herein by way of illustrative embodiments.
[0027]Referring also to FIG. 2, there is shown a partially disassembled exhaust particulate filter 24, similar to filter 24 shown in FIG. 1. Filter 24 may include an inlet portion 30 having an exhaust gas inlet 31, an outlet portion 32 having an exhaust gas outlet 33 and a shell 34. Other fluid connections to filter 24 may exist for various purposes, such as exhaust gas recirculation, exhaust gas cooling and connecting with one or more turbochargers. Inlet portion 30, outlet portion 32 and shell 34 may together comprise a filter housing having a shape. In certain embodiments, the shapes of one or more of the respective housing components 30, 32 and 34 may be adapted to fit filter 24 within the aforementioned predefined spatial envelope. For example, filter 24 may have a non-circular cross-section such as a generally oblong cross-section in the FIG. 2 embodiment. The cross-sectional shape of filter 24 may be tailored such that it may fit within the spatial envelope of engine compartment 18 between engine 23 and hood 20 in machine 10. In other embodiments, different shapes corresponding to different predefined spatial envelopes may be appropriate.
[0028]Shape flexibility of filter 24, as well as other advantages, arise in part from the manner in which filter 24 is designed. Filter 24 may include a plurality of identical filter elements 42, for example twenty or more individual filter elements arranged in a bundle 36. The use of numerous identical filter elements allows the general shape of filter 24 to be quite flexible as compared to many earlier filter designs, without sacrificing efficacy. Each of filter elements 42 in bundle 36 may filter exhaust gases passing from exhaust gas inlet 31 to exhaust gas outlet 33 and may further be supported via a first support plate 38 and a second support plate 40, each having a plurality of holes 39 and 41, respectively, configured to support filter elements 42. Holes 39 and 41 may be arranged in a pattern corresponding to an arrangement and distribution of filter elements 42 in bundle 36. Each of support plates 38 and 40 may include an outer perimeter or edge 37 and 43, respectively, which is matched to a shape of shell 34 and may also be matched to shapes of inlet portion 30 and outlet portion 32. Support plates 38 and 40 may have oblong shapes similar to that shown in FIG. 2, or they might have a wide variety of other shapes such as triangular, circular, square, trapezoidal or even irregular and non-polygonal shapes. Bundle 36 may have an essentially limitless variety of configurations, imparting shape flexibility to filter 24 limited generally only to manufacturing capabilities and/or practicalities for the various components.
[0029]Turning now to FIG. 3, there is shown another filter 124 similar in design to filter 24 described above, shown in partial cut-away, but having a generally cylindrical shape. Filter 124 may be used where a matching cylindrical spatial envelope exists, or where space and shape restrictions are relatively minimal and filter 124 is made cylindrical for manufacturing or handling convenience, etc. Filter 124 may include a bundle of filter elements 136, an inlet portion 130, a shell 134, an outlet portion 132 and first and second support plates 138 and 140 for bundle 136. Each of filter elements 142 may include a plurality of clamps 148, further described herein.
[0030]Turning now to FIG. 4, there is shown a partial exploded view of filter 124 wherein support plates 138 and 140 have been removed from engagement of holes 139 and 141 with filter elements 142. It should be appreciated that the following description of filter 124 is applicable to other filters and related systems of the present disclosure, including filter 24 described above, except where stated otherwise. In the FIG. 4 version, filter elements 142 of bundle 136 are arranged in a band about a center passage 149. Center passage 149 may be provided to enable fluid flow through filter 124 without resulting in excessive back pressure during engine system operation. In other words, since filter elements 142 act as a flow restriction to engine exhaust, passage 149 can provide a relatively unrestricted outlet for exhaust gases to avoid overly inhibiting exhaust gas flow through filter 124. Passage 149 may be fluidly connected with one of inlet portion 130 and outlet portion 132 and fluidly blocked from the other of inlet portion 130 and outlet portion 132, except by way of fluid connections through filter elements 142. Support plate 138 may be blocked in a region(s) corresponding to passage 149 to prevent raw exhaust gas flowing into the same in one embodiment. Support plate 140 may further include a flange 133 defining an outlet passage 135 connecting with passage 149 for passing filtered exhaust gases to a tailpipe, exhaust stack, turbocharger, recirculation loop, etc.
[0031]Each of filter elements 142 may include a first, open end 145 and a second, closed end 146. In one embodiment, filter elements 142 are arranged such that their first, open ends 145 are supported in support plate 138 and fluidly connected with an interior of inlet portion 130 for receiving raw exhaust gases, and their second ends 146 supported in support plate 140. Thus, all of filter elements 142 may be oriented identically. Other embodiments are contemplated, however, wherein bundle 136 consists of filter elements in both orientations such that exhaust gas passes into open ends of only a portion of filter elements 142, then into counter-oriented filter elements, and finally passes out to outlet portion 132 via filter elements having their open ends 145 fluidly connected therewith.
[0032]Each of the respective filter elements may include a tube 150 wrapped with fibrous filter media 152 such as a mat of sintered metal fibers, or other media. A plurality of layers of one or more mats of sintered metal fibers may be wrapped about each of tubes 150 in one embodiment. While uniformly porous media 152 may be used, in other embodiments the media porosity may change with each successive wrapped layer.
[0033]Turning now to FIG. 5, there is shown a lengthwise cross-section through a filter element 42. The illustration and accompanying description of filter element 42 in FIG. 5 should be understood to be similarly applicable to filter elements of the other embodiments contemplated herein. Filter element 42 is shown having its first end 45 supported in a hole 39 of support plate 38. The second end 46 of filter element 42 is shown supported in a hole 42 in support plate 40. Further illustrated are a plurality of perforations or apertures 44 in tube 50 to enable exhaust gases passing in through open end 45, shown via arrow A, to pass from an interior 56 of tube 50 out through walls of tube 50, and thenceforth through filter media 52.
[0034]Filter element 42 may further include a plug, for example a stepped or tapered plug 47 configured to fluidly seal second end 46. In one embodiment, plug 47 will have an outer diameter sufficiently less than an inner diameter of the corresponding hole 41 such that relative motion between filter element 42 and support plate 40 is possible. By loose-fitting plug 47 in support plate 40, a feature which may be common to all of the filter elements and filter designs described herein, filter element 42 may move relative to support plate 40 due to expansion and contraction resulting from thermal cycling. Differing rates of thermal expansion among filter elements within a particular filter, as well as differing thermal expansion rates between the filter elements and the housing, etc. can be accommodated by the loose-fit plugs, permitting their associated filter elements to remain supported. In certain embodiments, filter elements relatively closer to a center of a bundle of which they are a part may increase in temperature, and thus expand, relatively more rapidly than filter elements positioned relatively closer to the outside of a bundle. Relatively wide temperature swings may occur during ordinary operation as well as during filter regeneration and, hence, this feature can reduce or eliminate the risk of component failure due to temperature changes or differences among components.
[0035]Filter regeneration in certain embodiments will typically take place with a heating device configured to heat filter elements 42, and in particular filter media 52, to a temperature sufficient to initiate and maintain combustion of accumulated soot. In one contemplated embodiment, an auxiliary regeneration device will be positioned upstream of filter 24 to inject and ignite fuel in the engine exhaust stream which is burned to increase the temperature of gases passing through filter 24. Other means such as electric heaters or high temperature exhaust might also be used.
[0036]In addition to the described loose-fit of plug 47, certain other features of filters described herein may be adapted to the relatively wide temperature swings and extreme temperatures typically encountered during service. With continued reference to FIG. 5, filter element 42 may be coupled with support plate 38 in a manner unique among exhaust particulate filters. In particular, tube 50 may include a radially expanded portion 54 received in one or more grooves 55 located in support plate 38 between its front and back faces 29 and 35, respectively, and coaxial with hole 39. Radially expanding tube 50 into grooves 55 may be achieved via a process known in the art as swagging. In a typical swagging operation, a rotary tool such as a mandrel (not shown) may be positioned within first end 45 of tube 50 and used to expand tube 50 into grooves 55. The resultant joint will provide a fluid seal to inhibit exhaust gases leaking past the interface of tube 50 and support plate 38 rather than into tube 50, and will also provide a relatively strong, purely mechanical joint resistant to deformation and damage due to temperature changes and temperature extremes while in service. A relatively greater number of grooves may increase strength of the joint in many instances. While swagging may provide one practical implementation strategy, other means such as adhesives, welding, or bolted seals might also be used without departing from the scope of the present disclosure.
[0037]Clamps 48 may also be used to clamp filter media 52 about tube 50 to join together the components without the need for welding, adhesives, etc. In one embodiment clamps 48 may be compressed, also via a swagging technique, wherein annular clamp elements are positioned about filter media 52 on each of tubes 50, then reduced in diameter to effect a relatively tight clamping force on media 52. Similar to formation of the joint via expanded portion 54 and groove 55, other techniques might be used for securing filter media 52 in place about tube 50. An advantage attendant to the use of swagging and similar techniques to form connections and secure materials of filters described herein is the lack of significant heating of the respective materials. In other words, because swagging is essentially a cold forming technique known or desirable properties of tube 50, support plate 38, clamps 48 and other components are not compromised by the joining techniques used. Another advantageous feature of the present disclosure is that filter element 42 may be formed from materials having identical coefficients of thermal expansion. Accordingly, during thermal cycling the relative expansion and contraction of the various components, including tube 50, filter media 52, clamps 48, etc. may be approximately the same. This feature of certain filter embodiments according to the present disclosure provides a reduced risk of component cracking, seal failure and other problems while in service. In one embodiment, tube 50 and possibly support plates 38 and 40 may be formed from 439 stainless steel, whereas filter media 52 may include an iron, chromium and aluminum alloy. All or substantially all of the components of filters according to the present disclosure may consist of one form or another of ferritic stainless steel.
[0038]Turning now to FIG. 6, there is shown an end view of bundle 36 supported in support plate 38. A passage 49 for reducing back pressure is shown in phantom, and a longitudinal axis A of filter 24 is also shown. While passages such as passage 49 may be used in many embodiments, in others no passage may exist, or numerous "passages" or other voids among filter elements 42. Bundle 36 may include peripherally located filter elements 42a and internally located filter elements 42b, having a packing arrangement. In one embodiment, the respective filter elements 42a and 42b may have a hexagonal packing arrangement, generally permitting a maximum number of filter elements to be located within a given volume, based on the available spatial envelope of machine 10, for example. Where a hexagonal packing arrangement is used, a majority of the internally located filter elements 42b will typically be surrounded by at least five other filter elements, whereas a majority of peripherally located filter element 42a will typically be surrounded by fewer than five other filter elements. Internally located filter elements 42b will generally be greater in number than peripherally located filter elements 42a. In accordance with the packing arrangement, the filter elements of bundle 36 may be positioned at an average distance from one another that is less than an average diameter of the filter elements comprising bundle 36. This average distance may also be an equal distance between all of the respective filter elements, in accordance with the packing arrangement. In certain embodiments, the filter elements of bundle 36 may be positioned at an average distance from one another that is less than one half an average diameter of the filter elements comprising bundle 36. It may be desirable to pack the respective filter elements in bundle 36 as tightly as practicable to maximize the amount of surface area available for filtering exhaust gases. In one embodiment, the filter elements may be packed such that their respective clamps 48 are located at similar positions relative to the lengths of the filter elements, clamps 48 being spaced from one another by about 1.5 millimeters. It should be appreciated that the number of filter elements surrounding any one filter element, the proportion of internally located filter elements relative to peripherally located filter elements, and other factors, may vary based on the specific filter shape, filter size, filter element diameter, etc.
[0039]The peripherally located filter elements 42a may define a perimetric line which is at least partially matched to a shape of support plate 38. It will be recalled that support plate 38 may have a peripheral edge 37 at least partially matched to a shape of shell 34; hence, the perimetric line defined by peripherally located filter elements 42, denoted L1 in FIG. 6, will typically be at least partially matched to a shape of shell 34. In one embodiment, perimetric line L1 may consist of a line tangent to peripherally located filter elements 42a.
[0040]Turning to FIG. 7, there is shown another embodiment having a support plate 238 supporting a plurality of filter elements 242 arranged in a bundle 236. Bundle 236 may consist of peripherally located filter elements and internally located filter elements, also having a packing arrangement and positioned in a band about a fluid passage 249. A perimetric line L2 is defined by the peripherally located filter elements and is at least partially matched to a shape of support plate 238, similar to the FIG. 6 embodiment but having an oval rather than an oblong shape. FIG. 8 illustrates yet another bundle 336 of filter elements 42 having a packing arrangement and supported via a support plate 338. Peripherally located filter elements define another perimetric line L3 which is at least partially matched to a shape of support plate 338. In the FIG. 8 embodiment, two separate fluid passages 349 are shown in phantom, and support plate 338 has an approximately rectangular shape.
[0041]Turning now to FIG. 9, there is shown a portion of an exhaust gas particulate filter 410 according to another embodiment. Filter 410 is similar to the previously described embodiments, but has several important differences. Filter 410 includes a shell 434 which has a shape, for example a non-cylindrical shape, such that filter 410 may be fitted within a non-cylindrical spatial envelope, similar to the aforementioned embodiments. Filter 410 also includes an exhaust gas inlet 431 shown end-on in FIG. 9 such that exhaust gases may be filtered thereby in a manner similar to that of the previously described embodiments. To this end, shell 434 may be configured to couple with inlet and outlet housing portions (not shown) similar to those shown in FIG. 2. Use within certain spatial constraints is contemplated to be one practical implementation of the filter of FIG. 9, however, the present disclosure is not limited thereto. Filter 410 might also be used in environments where space is not at a premium and a conventional cylindrical shape is appropriate.
[0042]Shell 434 further includes an inner diameter 412, an outer diameter 414 and an internal frame 438. A composite filter assembly 424 is positioned within shell 434 and includes an array of identical filter cartridges 442 supported within frame 438 and reversibly coupled therewith via trapping elements (not shown in FIG. 9) each having a release state and a trapping state. As used herein, the term "reversibly coupled" should be understood to mean that each filter cartridge may be individually decoupled from filter 410, in particular from frame 438, removed and either serviced or replaced with an identical filter cartridge, without damaging or deforming frame 438 or other components of filter 410. Attaching cartridges with a frame via crimping, welding, soldering, brazing, would not constitute a "reversible coupling" as that term is used herein.
[0043]Referring also to FIG. 10, there is shown a cartridge 442 suitable for use as any one of the group of cartridges comprising composite filter assembly 424. Cartridge 442 includes a cartridge frame 450, which is wrapped with at least one layer, and typically a plurality of layers, of fibrous metallic filter media 452 similar to that described in connection with the foregoing embodiments. Filter material 452 may comprise longitudinal walls of cartridge 442 extending from a first, open end 445 to a second, closed end 446. In one embodiment, a plug 444 may be used to fluidly seal closed end 446. It may further be noted from FIG. 10 that cartridge 442 includes a width W and a length L4. In certain embodiments, length L4 may be about ten times width W, or even about 20 times width W, in certain embodiments.
[0044]As illustrated in FIG. 9, cartridges 442 may be packed within shell 434, and may be positioned in an alternating arrangement. This configuration is illustrated via the checkerboard pattern shown in FIG. 9 wherein plugs 444 of cartridges having a first orientation are shown in an alternating arrangement with open ends 445 of cartridges having an opposite orientation. The illustrated configuration is not critical, however, and rather than alternating cartridges having different orientations, cartridges having a single orientation might alternate with spaces wherein no cartridge is positioned. Still other configurations might be used such as positioning cartridges 442 in a single orientation about a central exhaust passage of filter 410, analogous to designs described above.
[0045]It may further be noted from FIG. 9 that cartridges 442 may be positioned such that their sides are substantially flush with sides of adjacent cartridges, such that exhaust gases may traverse filter media 452 of adjacent cartridges. In other words, exhaust gases may exit a first cartridge through its filter media 452 and enter as many as four adjacent cartridges via their respective filter media 452. An approximate path of exhaust gases passing into a cartridge, then through its longitudinal walls is shown via arrows Z in FIG. 10. In a counter-oriented adjacent cartridge, the path of exhaust gases may be approximately the reverse. The alternating pattern shown in FIG. 9 permits exhaust gases to enter a first portion of cartridges 442 at an upstream end of filter assembly 424, inlet 431, then enter a second, counter-oriented, portion of cartridges 442 and exit filter assembly 424 via an exhaust gas outlet positioned at an end opposite that shown in FIG. 9.
[0046]The array of filter cartridges 442 of composite filter assembly 424 may further have a shape, defined by a perimeter 437 which corresponds with a shape of shell 434. In particular, the roughly oblong shape defined by perimeter 437 is evident in FIG. 9. The term "corresponds with" should be understood to mean that at least some relationship exists between the respective shapes. Correspondence between the shape of filter assembly 424 and shell 434 will enable a maximum number of filter cartridges, or close to a maximum number, to be used for a given spatial envelope. If a substantial number of additional cartridges could be inserted into spaces between a composite filter assembly and an inner diameter of an associated shell, then the composite filter assembly would not fairly be understood as defining a shape "corresponding with" a shape of the shell. For example, where five additional cartridges could be fitted between a shell and a composite filter assembly of twenty cartridges, the five cartridges should be understood as a substantial number, and hence the respective shell and filter assembly would not have corresponding shapes in the context of the present disclosure. On the other hand, where five additional cartridges could be fitted between a shell and a composite filter assembly having one hundred cartridges, the five cartridges should not fairly be considered a substantial number as that term is used herein, and the shell and filter assembly may have corresponding shapes.
[0047]It may also be noted from FIG. 9 that cartridges 442 may be positioned within shell 434 and separated one from the other within the cartridge array by an average distance less than a width W of each one of cartridges 442. In some embodiments, cartridges 442 will be packed within shell 434 as tightly as practicable. In other embodiments, provision of adequate flow to avoid excessive exhaust gas back pressure to an associated engine may dictate that cartridges 442 be separated somewhat. Perimeter 437 may be spaced from inner diameter 412 an average distance which is less than width W, enabling a maximum number of cartridges 442 to be packed within a given size and shape for shell 434. In the illustrated embodiment, a distance Q separates perimeter 437 and inner diameter 412 at their most distant point, distance Q being less than width W. In the embodiment shown, about 20 or more identical filter cartridges 442 may be used in filter assembly 424. In other embodiments, even more identical filter cartridges might be used. It will also be noted that each cartridge 442 has a cross-sectional shape, perpendicular an axis X of filter 410, which is a regular polygonal shape, in the illustrated case a square. In other embodiments, cartridges 442 may have different shapes.
[0048]Composite filter assembly 424 includes a cross-sectional area which is defined approximately by a sum of cross-sectional areas of each cartridge 442. In one embodiment, each filter cartridge may comprise less than about 5% of a cross-sectional area of composite filter assembly 424. Shell 434 also has a cross-sectional area, perpendicular its longitudinal axis X. The summed cross-sectional areas of cartridges 442 may be about 25% or greater than the cross-sectional area of shell 434, and in certain embodiments may be about 75% or greater than the cross-sectional area of shell 434.
[0049]As mentioned above, each cartridge may include part or all of a trapping element having a trapping state and a release state whereby cartridges 442 may be alternately coupled with or removed from filter 410. Referring to FIG. 11, there is shown a cartridge 442a coupled with a frame 438a similar to frame 438 of FIG. 9. A trapping element 500a having a first component 504a and a second component 502a is provided which can allow cartridge 442a to be alternately coupled with or removed from engagement with frame 438a. In most embodiments, each cartridge 442a will include one component of the corresponding trapping element 500a, and frame 438a will include a second trapping element component. This will also typically be the case with other embodiments wherein cartridges are reversibly coupled in a composite filter assembly. Frame 438a may comprise a plate or the like having a hole 439 wherein cartridge 442a is threadedly engaged. Thus, trapping element 500a may include internal threads 504a of frame 438a and external threads 502a on cartridge frame 450a. It will also be noted that cartridge 442a includes an internal longitudinal passage 456 at least partially surrounded by filter media 452 which comprises walls of passage 456. Passage 456 may comprise a constant width passage. Cartridge frame 450a may further include a plurality of perforations 444 extending between an inner diameter 512 and an outer diameter 514 which enable exhaust gas entering passage 456 to exit through filter media 452 and thereby remove particulates. While cartridge frame 450a is shown in the context of a perforated tube, it should be appreciated that other designs such as a set of longitudinal rods about which filter media 452 is wrapped might be used.
[0050]Turning now to FIG. 12, there is shown a filter cartridge 442b having another design for a trapping element 500b reversibly coupling cartridge 442b with a frame 438b. Trapping element 500b includes a first component which may comprise a nut 501 configured via internal threads 504b to threadedly engage with external threads 502b of a cartridge frame 450b of cartridge 442b. Rotation of nut 501 can therefore enable engagement or disengagement of cartridge 442b from frame 438b
[0051]Turning now to FIG. 13, there is shown yet another embodiment wherein a trapping element 500c is shown having yet another configuration. Trapping element 500c includes a flared portion 447 of a cartridge frame 450c, a sealing member 449, such as a sealing ring, and a plurality of fasteners 451 configured to clamp a plate 460 to frame 438c with flared portion 447 and sealing member 449 positioned therebetween.
[0052]Each of the different trapping elements 500a-c shown in FIGS. 11-13 allows a corresponding one of cartridges 442a-c to reversibly couple with its respective frame 438a-c. In other embodiments, trapping elements might be used which would simultaneously couple multiple cartridges with their corresponding frames. For example, in a version similar to that shown in FIG. 13, a perforated plate might be provided which extends across an exhaust gas inlet for the corresponding filter and includes multiple openings to admit exhaust gases into each of the cartridges thereof. In still further embodiments, trapping elements 500a-c might be located solely on filter cartridges 442, 442a-c, for example comprising a movable locking device engaging with the corresponding frame 438, 438a-c. In most embodiments, it will be desirable to provide a fluid seal between the respective cartridges and a supporting frame to avoid raw exhaust gases leaking past the filter cartridges rather than passing through them. In some embodiments, the fluid seal will be part of the corresponding trapping elements, whereas in others the fluid seal may be a separate component.
[0053]Referring to the drawings generally, the present disclosure provides substantially improved means for fitting exhaust particulate filters within restrictive spaces, but also provides advantages with regard to manufacturing and assembly. Filter elements 42, 142, 442 may be manufactured in large numbers with relative ease. Rather than tailoring a particular filter element around an overall exhaust particulate filter design, the present disclosure enables many identical filter elements to be used in assembling filters having a wide variety of sizes and shapes. The overall design of the exhaust gas particulate filter may thus be driven more by the available spatial envelope than the requirements of individual parts of the filter. Assembly and disassembly will also be relatively easier than with earlier strategies, especially with regard to the designs of FIGS. 9-13.
[0054]During a typical manufacturing/assembly process with the embodiments of FIGS. 1-8, tubes 50, 150 will initially be wrapped with filter media 52, 152. As mentioned above one layer or a plurality of layers of filter media 52, 152 may be wrapped about each tube. Clamps 48, 148 may then be positioned at a plurality of spaced apart locations along each tube 50, 150 and clamped in place by reducing their diameters to secure filter media 52, 152. Prior to or following clamping of clamps 48, 148, plugs 47, 147 may be inserted into ends of each tube 50.
[0055]When an appropriate number of individual filter elements 42, 142 has been obtained, filter elements 42, 142 may be joined with support plate 38, 138, for example via the swagging technique described herein to simultaneously form a fluid seal and mechanical joint for supporting the respective filter elements 42, 142. The plugged ends of each filter element 42, 142 may then be positioned in appropriate holes 41, 141 in support plate 40. The partially assembled filter may then be positioned within a shell 34, 134 having a shape based at least in part on an available spatial envelope in or on a machine, and inlet and outlet portions 30, 130 and 32, 132, respectively, coupled therewith to complete assembly.
[0056]Manufacturing and assembly of filter 410 may take place in a manner similar to that described with regard to the other embodiments, with several important differences. In the case of the embodiments of FIGS. 11 and 12, a threaded engagement of cartridge frames 450a and 450b with corresponding components is established rather than the swagging technique described above. The threaded engagement enables relatively simple assembly and/or disassembly via regular hand tools. With regard to the embodiment of FIG. 13, cartridge 442c can be placed in position within frame 438c on sealing member 449. Plate 460 is then positioned adjacent flared portion 447 and fasteners 451 engaged with corresponding threaded bores (not numbered) in frame 438c.
[0057]Thus, each of the embodiments of FIGS. 9-13 may be understood as having a first assembly configuration wherein cartridges 442a-c are fixed in place, corresponding to the trapping state of trapping elements 500a-c, and a second assembly configuration wherein cartridges 442a-c may be removed, corresponding to the release state of trapping elements 500a-c. Other designs for trapping elements than those represented by embodiments 500a-c are contemplated, wherein a snap-fit or the like is used such that cartridges 442 and 442a-c may be slid into the corresponding supporting frame, and automatically secured in place. A slot and movable locking tab arrangement, or some other locking feature such as set screws or the like might be used. It should further be appreciated that while only open ends of each of cartridges 442a-c are shown in FIGS. 11-13, each of cartridges 442 and 442a-c has an opposite, closed end, which may be supported in a manner similar to that described with regard to the embodiments of FIGS. 1-8, e.g. loose fitted into a corresponding hole in a support plate.
[0058]All of the filter embodiments described herein are configured such that their shape can be at least partially matched to a shape of a predefined spatial envelope. This aspect is considered to greatly improve the ease with which exhaust particulate filters may be fitted within spatially restrictive or spatially complex spaces within or on machines. Further, the use of robust materials having similar or identical coefficients of thermal expansion and the use of the described joining/coupling techniques will result in a filter capable of withstanding shocks and vibrations associated with rugged off-highway environments, as well as thermal cycling and relatively extreme temperatures.
[0059]The present description is for illustrative purposes only, and should not be construed to narrow the breadth of the present disclosure in any way. Thus, those skilled in the art will appreciate that various modifications might be made to the presently disclosed embodiments without departing from the intended spirit and scope of the present disclosure. For example, while filter elements 42, 142, 442, 442a-c may be used with sintered metal fibrous materials as filter media 52, 152, 452 the present disclosure is not thereby limited. Foams and various other materials, located inside or outside of tubes 50, 150 or frame 450 might instead be used, depending upon the application. In still other embodiments, multiple tubes or frames might be used with each filter element, to provide for additional mechanical integrity. An inner perforated tube and an outer perforated tube, with filter media between the respective tubes, is contemplated. Further still, while much of the foregoing description focuses on off-highway applications, it is emphasized that many on-highway applications are contemplated, for instance the use of the filters described herein in an over-the-road hauling truck, etc. Finally, while use as an exhaust particulate filter represents a primary application, the present disclosure may be expanded upon in the exhaust aftertreatment context. Rather than only filtering particulates, the filters constructed and designed as described herein might also incorporate catalysts for NOx reduction, CO reduction, or some other form of exhaust aftertreatment. Such catalysts could be integrated with the filter media, or disposed elsewhere in the system. Other aspects, features and advantages will be apparent upon an examination of the attached drawings and appended claims.
Patent applications by Michael J. Pollard, Peoria, IL US
Patent applications by Robert L. Meyer, Metamora, IL US
Patent applications by Thomas E. Paulson, Groveland, IL US
Patent applications in class TWO OR MORE SEPARATORS (E.G., SPACED FILTERS IN FLOW LINE OR CASING)
Patent applications in all subclasses TWO OR MORE SEPARATORS (E.G., SPACED FILTERS IN FLOW LINE OR CASING)
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"thinkmoney Personal Account
If you thought all accounts were the same, think again. Anyone can apply - no credit check required. A thinkmoney Personal Account delivers three things: transparency, personal service and peace of mind.
Use the tools below to refine your search by only displaying reviews with a certain number of star ratings or to only show reviews from a certain time period. Eg click on '1 star' to just display the reviews we have which received a 1 star rating click or 'Within the last month' to display just reviews posted over the last month.
Written on: 20/10/2016 by Roche440 (1 review written)
Think money are a joke they do not care about customers and seem to be happy about giving wrong information to customers. And they like to charge £17.50 a month to make you feel undervalued I wouldn't recommend this company to anyone… Read Full Review
Written on: 13/10/2016 by Figueroa271 (1 review written)
Been great till last week and transfer come and goes as a negative you call and they say can happen can you show me. So send proof no replies and two days later still being told money being resolved… Read Full Review
Written on: 17/10/2016
I'd like to look into this for you so we can clarify things and offer an update,
Please contact us via the contact section here on Review Centre, so we can speak with you directly.
Steven - thinkmoney
Written on: 28/09/2016 by Johnboy024 (2 reviews written)
This is the 2nd time I have been with the bank and I am just about to leave them again. My concerns are over Faster Payments which should take no more than 2 hours. I tested this and first time 24 hrs, 2nd time 3.5 hours. I suspect they manually do these payments but the fail to say this and refuse to comment further. They also say that faster payments can be held up for "further checks" however I have already send payment to this particular account and all amounts under £100. Spent a lot of… Read Full Review
Written on: 06/10/2016
I'm aware that you have closed your account and your concerns are being dealt with by the complaints team.
Steven Hewitt - thinkmoney
Written on: 13/10/2016
Been messed around now two transfer being held one from me to me and now day two without the cash and being told we looking into it FTA need to revoke the licences or least raphel and sons who we spoke today who issue your card
Written on: 13/10/2016
Best thing is to hound their twitter feed, they will block you but it does get to them. Also go on companies house get the directors names and ask to speak to them. This is not a bank it's full of idiots that don't have a banking licence and don't have a working faster payment service.
Written on: 13/10/2016
My concerns are that you are puppets on a string
Written on: 13/10/2016
Can you address my review as stink money got £412 of my cash!!
Written on: 13/10/2016
I'm sorry this has been your recent experience.
Unfortunately, I'm unable to provide any further information without knowing your details.
Please contact us directly, and securely, via the contact section here on Review Centre, so we can look into this for you.
We look forward to hearing from you soon.
Steven - thinkmoney
Written on: 15/09/2016 by jbJensen477 (1 review written)
If you have read any of the previous reviews you will not be at all surprised to hear that you will wait ages to discuss what they have f**ked-up this time. 30 minute delays are the norm. Do they actually have any staff? Seems strange that huge banks with millions of customers, Barclays, Natwest for example, can answer within a few moments but a relatively small company (in comparison) can't. So where do I begin... I have cancelled a direct debit (with amount, date and Ref. number) only for… Read Full Review
Written on: 22/09/2016
Sort it out, is exactly what we are aiming to do, and I'd like to address the points you've raised:
• Salary credits come into your account by 7:30 each morning
• We pay Standing Orders via BACS on the day they are due to be paid. We can't control when the receiving bank credits them to customers' account I am afraid
• Cheques take 8 working days to clear – this is for two reasons. Firstly, we must ensure it is fully cleared before we allow withdrawals against a cheque – because we don't allow thinkmoney accounts to go overdrawn. Secondly we are not a clearing bank – so we have to allow extra time to get the cheque into and out of the clearing system.
I can only apologise if we cancelled the wrong Direct Debit for you. This clearly shouldn't happen – if you'd like to get in touch via the contact details here on Review Centre, I will raise a complaint about this on your behalf.
Steven Hewitt - thinkmoney
Written on: 13/10/2016
Had same bad service
Written on: 16/06/2016
I've had a really good experience with think money helped me get back on track till today woke up to £2.12 in my account and a text saying after reviewing my account £99 has been moved so my account runs smoothly there taking money for my car insurance that I'm not insured on anymore wat the hell do I do??… Read Full Review
Written on: 17/06/2016
I'm sorry to hear that this has been your recent experience.
I'd like to look into this for you and ask you to contact us via the contact details here on Review Centre.
Steven Hewitt - thinkmoney
Written on: 01/05/2016 by Kali375 (1 review written)
Constant issues with getting through. 25 minute waits are normal. Wages that go in account 2 days later than my work colleagues who bank with other banks. Cheques take forever to clear. If you ask a question that is a bit complicated, expect a script reply. £17.50 a month charge..this is the first thing they take from any money you have..even if it's the only money you have!. Bank closed over holidays etc not 24 hour. Avoid .I have transfered to santander who offer a similar account free… Read Full Review
Written on: 05/05/2016
Dear Kali375,
We're sorry to hear that you are no longer using thinkmoney, especially with the exciting changes coming, but wish you all the best with your new account provider.
Written on: 04/06/2016
£17.50 is a rip off which ever way you look at it. You do nothing you do not manage my money yet you charge me for it. You definitely need a free phone number and more staff so your customers don't have to wait 20 minutes (absolute minimum) for a service you again charge for. Worst move I've ever made but comes across quite appealing.
Written on: 06/04/2016 by DavidTRex (1 review written)
Had very few problems and those that have cropped up have been sorted quickly. It's a shame they don't have an app for Windows Phone. Been really happy with them… Read Full Review
Written on: 06/04/2016 by Dylanz281 (1 review written)
If you are expecting a professional well ran Organisation, think again. I received a transfer of funds from my partner after the sale of a house. That is where the problems began. I am now into the second week without access to my money. My money has been frozen for no reason.Before you think they are doing Money laundering checks or such, no they are not. They use RBS for their banking and RBS managed to confirm all is OK their end and thinkmoney have my money. Other banking people have also… Read Full Review
Written on: 12/04/2016
Thank you for your feedback.
I'm sorry to hear of your recent experience with thinkmoney.
I can assure you that these incidents are not the norm and the team is doing all they can to resolve this for you as quickly as possible.
Steven Hewitt - thinkmoney
Written on: 20/02/2016 by Mick260662 (1 review written)
Yet again this useless bank is having problems with transfers. I have been left with 3 quid tillntuesday as this bank thinks it's ok to have so called server maintenance lasting 3 days! I tried to beat this by transferring earlier but did not work when I rang the staff lied saying it was a fault at RBS it was not it was them for 4th time in a year! No apologies no refund of 17.50 a month I'm complaint to FSA and my mp . DO NOT JOIN THIS BANK THEY ARE PATHETIC… Read Full Review
Written on: 24/02/2016
Dear Mick260662,
Unfortunately on Saturday our payments provider, RBS, did experience an unexpected delay with some payments which impacted some of our customers. We are working with RBS to understand how this happened, but we'd like the opportunity to investigate the problem that you experienced and do what we can to put things right. Please email us, via the contact section here on Review Centre, so we can raise a complaint on your behalf and address this through the appropriate channels.
Thank you
Written on: 11/02/2016 by Hannahparry (1 review written)
Completely disgusted with think money....as it stands i am paying £24.50 a month for my bank account that is NOT suppose to have an overdraft however over the past few days money started going missing to the tune of £800 apparently that I owe the bank for late transactions even though I have a lot of proof screenshots etc of the "transactions" in question to prove the money left my account the minute the "transactions" we made. Think money refuse to accept this as proof & still insist that… Read Full Review
Written on: 12/02/2016
I'm sorry that you feel this way. I'm aware that you have spoken to my colleague and there is an arrangement in place to keep you updated whilst we complete our investigation into your complaint.
Steven Hewitt
Written on: 24/01/2016 by Floyd422 (1 review written)
When things work, they're ok- but so many ridiculous 'hitches' happen that this is such a frustrating bank to have an account with! From random, bizarre transfers of money from one account to another (and staff saying 'I've no idea why that's been held back / was transferred' when you get through to someone), to insanely long waiting times on the phone, to the latest problems with mastercard.. i have a dent in a brick wall here from banging my head against it! At the moment, I can't unblock my… Read Full Review
Written on: 29/01/2016
I'm sorry to hear of your recent experience with thinkmoney.
You can reset your MasterCard SecureCode out of hours by calling us, go through security and you can get through to the out of hours SecureCode team – they are available 24/7.
If your budgeting is set up correctly for all your bills then there should be no reason for funds to be moved between your accounts. I'd like to look into this for you and ensure your account runs smoothly going forward. Please contact us, via the contact section here on Review centre, and we'll give you a call at your convenience.
We look forward to hearing from you.
Written on: 04/01/2016 by LCWales (3 reviews written)
I have been with Thinkmoney since January 2009, and after a quite promising start they have been terrible ever since. Innumerable complaints (one of which went all the way to the Ombudsman, who found in my favour), call waiting times regularly exceeding 45 minutes or more (there has been no discernible improvement in all the time I have banked with them), monthly account/online banking glitches - from your monthly salary not being distributed from the salaries account to the card account so… Read Full Review
Written on: 11/01/2016
Dear LCWales,
Thank you for the feedback. We are working hard to improve call wait times, including recruiting more Money Managers. We are also rolling out a major system upgrade this year, including a new versions of Online Account Management and our App. There will also be new functionality such as being able to transfer money from your salaries account to your card online or via the App, improved statements and faster Faster Payments.
Written on: 11/12/2015 by Tanyke (1 review written)
I needed help with something but was at work. Call times were over a 30minutevwait so I hopped on Twitter. The team responded within minutes and had it all sorted! Top service… Read Full Review
Written on: 21/11/2015 by neilme1 (1 review written)
Cannot get hold of these people on the weekend and the bank itself makes you feel like a misfit. Worst bank ever but they don't care because your here for a reason and they know it so u can go jump for all they care… Read Full Review
Written on: 24/11/2015
I am sorry that you've had problems getting hold of us at the weekend. Our phone lines are open 8am to 4.30pm on Saturday. We also offer a 24/7 banking service via Online Account Management and our mobile App (for Apple and Android devices), and we offer a number of services accessible by text too. We do have out of hours support via our Facebook and Twitter pages and the support videos on our website and YouTube.
We aim to provide a high standard of service to all our customers. I am concerned to read that we have fallen short – please give us the opportunity to put things right for you. Please can you contact us (via the contact details here on Review Centre) so we can discuss your account and resolve these issues for you.
We look forward to hearing from you soon.
Steven Hewitt - thinkmoney
Written on: 17/11/2015
We have tried, in vain, to contact customer services on three occasions since 12/11/2015 without success. A wait of 20, 25 and over 35 minutes is just not acceptable. My husband tried last Friday to report his card was lost, after not getting through on the phone he tried online. He thought he would get a phone call to discuss the next step but, surprise surprise, nothing was forthcoming. He has been left without any way to access his funds and no idea when he will receive a replacement card. I… Read Full Review
Written on: 18/11/2015
Thank you for your feedback. We are making a number of improvements to our service including rolling out our mobile App and new debit cards that enable people to use the Post Office to pay in and withdraw cash. Unfortunately these changes have led to a higher than expected number of calls. The team is working flat out to answer all our customers' calls as fast as possible – but I apologise for the extended wait time at the moment.
Please do email us (via the email address available in the contact details section here on Review Centre) and we will call your husband to order his new card as soon as possible. Whilst he is waiting for his card to arrive he can access cash via PayPoint. If he logs in online he can request a voucher for up to £200 – we will text this to his phone and he just needs to take this to a PayPoint store to get the cash. He can use this whenever he wants.
I hope this helps – please do get in touch so we can resolve this.
Steven Hewitt - thinkmoney
Written on: 17/11/2015
Sorry for typo "I assume Think only ...." Should read "I assume Think Money ...."
Written on: 13/11/2015 by O'Donnellhs481 (1 review written)
Generally a decent account and good staff, but the wait to speak to someone at any time of the day is unacceptable. For the monthly fee it is a very poor service, worthy of the worst mobile phone helplines. It was never this bad when I first joined, but has been this way for a few years now, despite the increase in charges. Very poor service. I do feel sorry for the staff who have to work there and answer the phone to people who have been waiting hours - and being charged heavily for the… Read Full Review
Written on: 17/11/2015
Thank you for your feedback. We are making a number of improvements to our service including rolling out our mobile App and new debit cards that enable people to use the Post Office to pay in and withdraw cash. Unfortunately these changes have led to a higher than expected number of calls. The team is working flat out to answer all our customers' calls as fast as possible – but I apologise for the extended wait time at the moment.
Steven Hewitt - thinkmoney
Written on: 05/11/2015 by Rosesforthedead9 (1 review written)
I had been waiting over 30 minutes (from 7:40pm) to speak to a member of staff and it eventually passed 8pm, which is closing time so I hung up. All I wanted to do is switch some money about so I could go pick up some bits from the shop before closing. I sent a rather disgruntled message via Twitter saying I'd 'given up' along with a photo of the call duration. I recieved a message back promptly from Becky who said that she would get someone names Louis to contact me and low and behold, at… Read Full Review
Written on: 05/11/2015
If you have a problem don't bother trying to call them wait times can be upto 30 minutes before they even answer the phone... yes that's right 30 minutes. They do provide a txt service when they can be bothered to respond. Also they gave this annoying habit of moving your money so you cannot access it thus requiring you to contact them...so begins the long wait. Sadly a last resort option banking service… Read Full Review
Written on: 17/11/2015
Thank you for your feedback. We are making a number of improvements to our service including rolling out our mobile App and new debit cards that enable people to use the Post Office to pay in and withdraw cash. Unfortunately these changes have led to a higher than expected number of calls. The team is working flat out to answer all our customers' calls as fast as possible – but I apologise for the extended wait time at the moment.
If your budgeting is set up correctly then there should be no reason for money to be moved around your account. Please contact us, via the contact section here on Review Centre, and we can ensure your account is set up correctly and avoid this in the future.
I look forward to hearing from you.
Steven Hewitt - thinkmoney
Written on: 10/11/2015
they do take a long time answering your query and yes it is annoying
Written on: 31/10/2015 by 419Boyle (1 review written)
I am on holiday i had asked them leave my bank card open as go this destination every couple of weeks tried send myself extra money on Moneygram now blocked my card always problems with this bank its hopeless stranded in a foreign country no access to my own money again!!Avoid at all cost… Read Full Review
Written on: 03/11/2015
I'm sorry that this has been your recent experience. When travelling abroad we ask you to inform us so we know that the transactions outside of the UK are genuine. We are unable to leave this open as it can pose a security risk should anything happen to your card whilst visiting the country. If you forget to let us know, or remember whilst already abroad, you can inform us via text. Simply text 'Change – going to XXXX from dd/mm to dd/mm' to us. Thank you.
Steve Hewitt - thinkmoney
Written on: 22/09/2015 by Karlyg273 (1 review written)
as I am writing this I am absolutely fuming!!!! You need to do all the work to get your money back although the direct debit guarantee clearly states "In the even of an error by your bank or building society or PayPal you are entitled to a full and immediate refund" I made a complaint and got a final response and either I am not very good at commjnicating or they are not very good at listening as the main points about me wanting to do a direct debit indemnity claim where not really in my… Read Full Review
Written on: 22/09/2015
Thank you for your feedback.
I'm sorry to hear that you're unhappy with the resolution of our complaints process. Should you wish for me to look into this further then please contact us via the contact section here on Review Centre.
Steven Hewitt - thinkmoney
As rated by our community of reviewers
" Misleading and just rude staff " Read More
" Ruined my weekend " Read More
" Efficient and Secure " Read More
" A premier customer " Read More
Written by kevins12
" Not worth for everyday banking. " Read More
Written by birensh


text:
|Date / Time
|Monday October 24, 2016 @07:39PM
|Consumer Reports Ranks Tesla Model X Near Bottom For Reliability
|Monday August 29, 2016 @05:36PM
|Tesla To Further Restrict Its Autopilot Software To Prevent Accidents
|Monday August 15, 2016 @03:54PM
|Tesla Preps Bigger 100 KWh Battery For Model S and Model X
|Wednesday August 03, 2016 @05:37PM
|Tesla Posts 13th Straight Loss, Says On Track For Second-Half Deliveries
|Wednesday July 27, 2016 @08:13PM
|Tesla and Autopilot Supplier Mobileye Split Up After Fatal Crash
|Wednesday July 06, 2016 @07:21PM
|Second Tesla Autopilot Crash Under Review By US Regulators
|Wednesday June 29, 2016 @05:45PM
|Tesla Admits Defeat, Quietly Settles Model X Lawsuit Over Usability Problems
|Tuesday June 28, 2016 @07:05PM
|Tesla Owner Makes 'Solid Metal Snake' Self-Charging System That Elon Musk Promised
|Friday May 27, 2016 @04:29PM
|Model X Owner Files Lemon Law Suit Against Tesla, Claims Car Is Unsafe To Drive
|Monday May 16, 2016 @04:09PM
|Iran Is Arresting Models Who Pose Without Headscarves On Instagram
|Wednesday May 11, 2016 @05:35PM
|Tesla Model S Owner Claims Vehicle Went Rogue Causing An Accident By Itself
|Monday May 09, 2016 @08:44PM
|Tesla's Inherent Safety Saves Five Joyriding Teenagers In Germany
|Thursday May 05, 2016 @05:58PM
|Tesla Plans To Produce 500,000 Electric Cars In 2018, 1 Million In 2020
|Tuesday April 12, 2016 @07:00PM
|Tesla Updates Model S With New Front-End, Air Filtration System, Faster Charging
|Sunday August 09, 2015 @09:09AM
|Tesla Suffering Cash Flow Issues; Every Model S Means a $4,000 Loss
|Monday June 09, 2014 @03:14PM
|Tesla Makes Improvements To Model S
|Tuesday January 28, 2014 @01:59PM
|Tesla's Having Issues Charging In the Cold
|Friday January 24, 2014 @08:19PM
|Tesla Wins One Over Chinese Trademark Troll
|Thursday December 26, 2013 @02:53PM
|Tesla Updates Model S Software As a Precaution Against Unsafe Charging
|Thursday March 07, 2013 @10:30AM
|2001: a Space Odyssey's Dave Returns To Sci-fi In New Film
|Saturday June 23, 2012 @10:12AM
|Tesla Delivers First Batch of Model S Electric Sedans
|Saturday March 03, 2012 @07:48AM
|Government Should Ban Skinny Models To Curb Anorexia, Say Researchers
|Thursday February 23, 2012 @02:35PM
|Developer's View: Real Life Inspirations Or Abstract Ideas?
|Thursday December 09, 2010 @01:07PM
|Doubling of CO2 Not So Tragic After All?
If A = B and B = C, then A = C, except where void or prohibited by law. -- Roy Santoro


text:
Wage Growth and the Theory of Turnover
Theories of turnover and wage dynamics have studied the impact of wage levels on turnover, but they have failed explicitly to model the role of wage growth in predicting turnover. This article presents a theory of turnover that explains why within-job wage growth reduces the likelihood of worker-firm separations. The model determines the evolution of value among jobs that differ systematically in permanent rates of wage growth and shows that the value of high wage-growth jobs increases faster. With additional assumptions about the search process, this proposition implies that high wage-growth jobs are less likely to end. Copyright 2000 by University of Chicago Press.
If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
As the access to this document is restricted, you may want to look for a different version under "Related research" (further below) or search for a different version of it.
Volume (Year): 18 (2000)
Issue (Month): 2 (April)
Pages: 204-20
|Contact details of provider:
| Web page: http://www.journals.uchicago.edu/JOLE/
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text:
I made this cake for my husbands previous supervisor. He wanted a cake with a pyramid on it and this is what I came up with. The crocodile is eating a penguin because the last cake that I did for my husbands work, the one with the penguins, everyone...
CakeCentral.com is the world's largest cake community for cake decorating professionals and enthusiasts.
(if this is a private computer)
Yes please, register now!


text:
Playwright: Alan Bennett
Director: John Fisher
Playwright: Alan Bennett Director: John Fisher Comedy$15-$307/31-8/23The Habit of Art tells the story of the shattered friendship between poet W.H. Auden and composer Benjamin Britten by examining the unsettling desires of two difficult men and the ethics of biography itself. Tickets and info: (800) 838-3006; therhino.org
11/7/2016 » 11/9/2016SF & TIX PDN drop-off (Nov)
11/9/2016Meet the Titans
9/28/2016Featured Member: Megan Briggs
9/14/2016From the Executive Director: Dirty Words


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Mapex Horizon Series
Bring Me The Horizon
Pro-level features at an entry-level price. That's what you get with the Mapex Horizon — an entirely new drum series for 2010.
The Horizon is a streamlined, unflashy kit and that's it's secret: You don't realize how rad this kit is until you're up close. The all basswood drums feature newly designed appointments, including lugs, mounts, badges and bass drum claws. All Horizon drum sets include a full set of all new Mapex 500 Series Hardware, a padded throne, and a set-up and instructional DVD.
The Horizon features 7.2mm, basswood shells with newly designed, low mass lugs. These small profile lugs are mounted to the shell using only a single point of contact, minimizing the holes drilled into the shell and thereby enhancing resonance. Horizon Series drums also Remo® drumheads, including a self-muffling bass drum batter head.
The Horizon's bass drum claws are newly designed to be low in profile and include cushioned gaskets to protect the bass drum hoops. The bass drum's tom mount features new styling and a recessed adapter to accommodate an optional cymbal arm.
Horizon Series drums use the Mapex-exclusive Isolated Tom Mounting System (ITS). The lightweight and compact system employs Mapex's unique combination of off-the-shell mounting hardware that allows the drum to resonate more freely, improving projection and sustain. The Horizon's ITS features a interlocking tom bracket that ensures secure positioning as well as quick and easy set up and tear down.
All Horizon drum sets feature newly designed Mapex 500 Series Hardware. The 500 Series includes many features that were introduced with the 700 series hardware including newly styled memory locks and Multi-Sustain Cymbal Felts, that allow players to use any combination of plastic or felt on their cymbal stands for more precise cymbal sustain. All sets include a T250A padded throne, and a Mapex 500 Series Boom Stand (with a hideaway boom arm), a straight cymbal stand, snare stand, hi-hat stand and a bass drum pedal.
Mapex Horizon drum sets also include an instructional set-up DVD, hosted by Drumming's Global Ambassador and Mapex Artist, Dom Famularo.
Horizon is available in seven durable high gloss covered finishes and four 5-piece configurations: Standard/HX5255T (22x18 bass drum, 12x9 and 13x10 tom toms, 16x16 floor tom, 14x5.5 snare drum), Fusionease/HX5245T (22x18 bass drum, 10x8 and 12x9 tom toms, 14x14 floor tom, 14x5.5 snare drum), SRO/HX5295T (22x18 bass drum, 10x8 and 12x9 tom toms, 16x16 floor tom, 14x5.5 snare drum) and Jazz/HX5045T (20x18 bass drum, 10x8 and 12x9 tom toms, 14x14 floor tom, 14x5.5 snare drum). MSRP for five-piece Horizon drum sets starts at $929.00.
An optional Mapex cymbal pack is also available with the Horizon. The pack includes a set of 14-inch hi-hats, a 16-inch crash and a 20-inch ride.
The Horizon Series replaces the QR Series product line, which has been discontinued.


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Full sweet and savoury menu
Cosmic Treats serves up a selection of sweet and savoury fare that you can't find anywhere else. We are open Tuesday through Thursday from 11:30 AM to 9 PM, Fridays from 11:30 AM to 11 PM, Saturdays from 10 AM to 11 PM and Sundays from 10 AM to 9 PM. Our brunch menu is available Saturdays and Sundays from 10 AM until 3 PM. Check out some of our menu items such as Jalapeno Poppers, and All Day Breakfast with your choice of Oatmeal Blueberry Pancakes or Cornmeal Waffles, plus Tofu Scramble and Home Fries. We have a full selection of beer, wine and mixed drinks that you can enjoy inside or on our sunny patio. Our savoury menu includes: Barbecued Tofu Encrusted with Sweet Chili Heat Doritos, Sausage and Pepper Sandwich smothered in Tuscan Marinara Sauce, Lasagna and Mixed Root Vegetable Fries. We will also have a selection of baked goods and of course our super creamy cashew ice creams and soft-serve. Maybe you would prefer a milkshake with a shot of Kahlúa or an ice cream sandwich? What about Chocolate Fondue for 2 with a selection of fruit, cookies and marshmallows? You could also go all out and share our Ice Cream Apocalypse- 6 scoops of ice cream covered with lots of toppings and sauces of your choosing. Our specially selected wall of treats is also waiting for you with a large selection of Cocomels, chocolates and candies. Come join us at 207 Augusta Ave. in Kensington Market. You won't regret it!
Veggie burger? Meh.
Pasta Primavera? Feh.
Roasted veggie sandwich? Blah.
Banana split with homemade cashew ice cream?
Chicken pot pie? Black forest cake? All-day breakfast?
Now we're talking!
Cosmic Treats is a fully licensed vegan restaurant,
dessert bar, ice cream shop and candy store
in the heart of Kensington Market that strives to provide vegans
with the food and treats they can't get anywhere else.
We eat dessert first!
Striving to serve Veg*ns delicious stuff you won't find anywhere else
Home made
Cosmic Menus
Serving brunch Saturdays & Sundays 10 AM - 3 PM
Serving brunch all day on statutory holidays and Pedestrian Sundays


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Hôtel Villa D'Est - Strasbourg
This hotel offers dry cleaning/laundry, an elevator (lift) and concierge services. Guests wishing to enjoy a drink will surely want to visit the bar/lounge. No matter how busy you are, take some time out to de-stress as you will find a health club and a sauna on site. If you want low-key dining options, you will be pleased to find a snack bar/deli and 24-hour room service.
Multilingual staff are available at the front desk 24 hours-a-day and can provide tour/ticket assistance, express check-in and express check-out. Free WiFi is provided.
Hôtel Villa D'Est - Strasbourg
Hotel Info: 1-877-214-4288from $79
- Suite (Montgolfière)
- Privilege Room
- Classic Room
- Suite (Arabesque)
- Superior Room
Also popular with travelers from the USA
At a glance
Key facts
Hotel size
- This hotel has 46 rooms
- This hotel is arranged over 5 floors
- Check-in time starts at 3 PM
- Check-out time is noon
- Express check-in/out
Required at check in
- Credit card or cash deposit required
- Government-issued photo ID required
- Minimum check-in age is 18
Travelling with others
- One child (12 years old and younger) stays free when occupying the parent or guardian's room, using existing bedding
- Babysitting/childcare *
- Pets allowed (dogs only) *
- Free WiFi in public areas
- Free WiFi in rooms
- Self parking *
Other information
- Smoke-free property
In the hotel
- Buffet breakfast daily (surcharge)
- Bar/lounge
- Snack bar/deli
- 24-hour room service
- Health club
- Sauna
- Bicycle rentals nearby
- Golfing nearby
- Hiking/biking trails nearby
- Mountain biking nearby
- Scooter/moped rentals nearby
- Business center
- Conference space size (feet) - 614
- Conference space size (meters) - 57
- One meeting room
- 24-hour front desk
- Concierge services
- Tours/ticket assistance
- Dry cleaning/laundry service
- Free newspapers in lobby
- Luggage storage
- Multilingual staff
- Number of buildings/towers - 2
- Year Built 1972
- Elevator/lift
- Safe-deposit box at front desk
- Terrace
- Library
- Fireplace in lobby
- Television in common areas
- Accessible bathroom
- In-room accessibility
- Roll-in shower
In the room
- In-room climate control (air conditioning)
- Air conditioning
- Iron/ironing board (on request)
- Hypo-allergenic bedding available
- Blackout drapes/curtains
- Soundproofed rooms
- Premium bedding
- Yard
- Individually decorated
- Private bathroom
- Shower/tub combination
- Rainfall showerhead
- Free toiletries
- Hair dryer
- Satellite TV channels
- Desk
- Free WiFi
- Phone
- Free bottled water
- Daily housekeeping
- In-room safe
Hôtel Villa D'Est - Strasbourg's small print
Also known as
- d Est Hotel Strasbourg
- D'Est
- Villa D'Est
- Hôtel Villa D'Est
- Hôtel Villa D'Est Strasbourg
- Hotel d Est
- Villa D'Est Strasbourg
Parking height restrictions apply.
Reservations are required for massage services and can be made by contacting the property before arrival at the number on the booking confirmation.
Mandatory fees
You'll be asked to pay the following charges at check in or check out:
- A tax is imposed by the city: EUR 1.65 per person, per night. This tax does not apply to children under 4 years of age.
Pet deposit: EUR 20.00 per night
- Energy surcharge: EUR 1.65 per person per night
Optional extras
Late check-out can be arranged for an extra charge of EUR 50
Facilities are accessible for an extra charge
Self parking costs EUR 15 per night
Parking is available nearby and costs EUR 0.50 per hour
Rollaway beds are available for EUR 20 per night
Buffet breakfast is offered for an extra charge of EUR 15 per person (approximately)
Babysitting/childcare is available for an extra charge
Pets are allowed for an extra charge of EUR 20 per pet, per night
We have included all charges provided to us by this hotel. However, charges can vary, for example, based on length of stay or the room you book.