CA1104943A - Transmission fluid filter and method for manufacture thereof - Google Patents
Transmission fluid filter and method for manufacture thereofInfo
- Publication number
- CA1104943A CA1104943A CA311,926A CA311926A CA1104943A CA 1104943 A CA1104943 A CA 1104943A CA 311926 A CA311926 A CA 311926A CA 1104943 A CA1104943 A CA 1104943A
- Authority
- CA
- Canada
- Prior art keywords
- filter
- ribs
- fluid
- filter medium
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/496—Multiperforated metal article making
- Y10T29/49604—Filter
Abstract
TRANSMISSION FLUID FILTER AND METHOD
FOR MANUFACTURE THEREOF
Abstract A transmission fluid filter having a fluid outlet comprising a sheet metal base member with a plurality of upstanding spaced support bosses. A polyester fiber mesh is molded into a plastic filter frame which includes a peripheral edge for attachment to the base member and a plurality of ribs extending generally from the region of the fluid outlet to the frame edge and supported by the bosses to form a fluid cavity between the mesh and the base member.
-i-
FOR MANUFACTURE THEREOF
Abstract A transmission fluid filter having a fluid outlet comprising a sheet metal base member with a plurality of upstanding spaced support bosses. A polyester fiber mesh is molded into a plastic filter frame which includes a peripheral edge for attachment to the base member and a plurality of ribs extending generally from the region of the fluid outlet to the frame edge and supported by the bosses to form a fluid cavity between the mesh and the base member.
-i-
Description
The present invention relates to fluid filters and, more particularly, to transmission fluid :Eilters and metho~s for manufacture thereofO
An object of the present invention is to provide a fluid fllter, specifically a transmission fluid filter, which possesses a minimum number of individual parts, in which the parts are economical to fabricate and assemble, and which is reliable over an extended operating lifetime.
Another object of the present invention is to provide an economical method for manufacture of a transmission 1uid filter.
The invention, together with additional objects, features and advantages thereof, will be best understood from the following description, the appended claims and the accomp-anying drawings in which:
FIG. 1 is a plan view of a transmission fluid filter in accordance with the invention;
FIG. 2 and 3 are respective plan views of the base and filter elements of the filter assembly in FIG. l;
FIGSo 4 and 5 are sectional views respectively taken along the lines 4-4 and 5-5 in FIG. l;
FIG. 6 is an e~ploded perspective view of an alternative embodiment of a transmission fluid filter ln accordance with the invention; and FIG. 7 is a sectional view similar to that of FIG. 4 longitudinally bisecting the embodiement of FIG. 6.
Referring to FIGS. 1-5, a transmission fluid filter assembly 10 provided in accordance with the invention is illustrated therein and comprises a dished base member or pan 12 of stamped sheet metal or the like having a generally flat bottom wall 14 and a peripheral shoulder 16 spaced axially upwardly therefrom as best seen in FIG. 4.
A pair of apertured generally cylindrical shoulders 18,20 are struck upwardly from base wall 14 in the central portion thereof. A plurality of support bosses 22 are struck upwardly from the base wall in a generally symetrical array, groups of bosses 22 being aligned radially outwardly of support shoulders 18,20 as best appreciated from FIGS. 1 and 2.
A filter element generally indicated at 24 is carried by base .12 and includes a mesh 26 of plastic fibers which may, for example, be polyester molded into a one-piece support frame 28 of high-temperature synthetic resin such as fiber~lass-reinforced nylon. Frame 28 includes a peripheral ~dge 30 captured against base shoulder 16 by the inwardly struck lips or flanges 32 extending from each shoulder edge.
A central portion 34 of frame 28 includes the first apertures 36 (FIG. 3) for attachment to base shoulders 18 as by eyelets 38 (FIGS 1 and 4~ ~nd the second apertures 40 (FIG. 3~ in the region of shoulders 18 to provide a filter fluid outlet for connection to a suitable transmission fluid pump (not shown~. A plurality of ribs 42 extend generally radially from the region of fluid outlets 40 and connect frame central portion 34 to frame edge 30 integrally therewith. Each of the ribs 42 overlies and is supported in assembly (FIGS. 1 and 4-5) by a corresponding radially aligned group of bosses 22, ribs 42 as a whole thereby spacing mesh 26 from base wall 14 disposed therebelow to form a fluid cavity therebetween.
In addition to the mesh support function here-inabove described, the re9pective ribs 42 cooperate to form filter sections between adjacent ribs to guide filtered fluid flowing through mesh 26 in the direction generally indicated at 43 (FIG. 4) from adjacent the edge of filter 10 to the region of outlets 40.
The lower edges 44 of ribs 42 are spaced by bosses 22 from base wall 14 to permit lateral flow of fluid between the adjacent filter sections defined by support ribs 42 so that fluid flow will continue and fluid sections will remain operative even if one of the filter sections becomes clogged adjacent the outlets. As best appreciated from FIGS. 4 and 5, mesh 26 is molded into the upper surfaces of frame center 34 and frame edge 3Q, and into the upper edges of ribs 42 such that the mesh is firmly supported against sagging between adjacent ribs which might othe.rwise take place due to clogging.
Such clogging and sagging in prior art ~ilters not only inhibit proper performance of the associated filter section, but also place undesirable tension on the mesh ibers and may lead to tearing and consequent complete loss of the mesh filtering function. Bosses 22 not only serve to support ribs 42 but also to strengthen and rigidify sheet metal base 12.
FIGS. 6 and 7 illustrated a second embodiment 60 of the automatic transmission fluid filter in accordance with the invention comprising a dished base member or pan 62 with bosses 64 projecting therefrom and a fluid outlet aperture 66. A filter element~68 ls received in base member 62 and includes a mesh 70 molded into ribs 72 which extend from the region of outlet 66 to a filter frame periphery 74. A second pan 76 is received over filter element 68 and held by the turned-down flange 78 on base member 62 to define a fluid inlet 80 at the outlet-remote end of filter element 68.
In use, ribs 72 are disposed below bosses 64, as best seen in FIG. 7, and held thereagainst by the pressure of fluid ~rawn through inlet 80, mesh 70 and outlet 66 by a fluid pump (not shown).
Although the filter provided by the present invention and the method for manufacture thereof have thus far been described in connection with automatic transmission fluid filters of specific configuration adapted for use in transmissions of particular automobile manufactures, it will be appreciated that in its br~ader aspects the in~ention is applicable not only to other transmission filter configurations but also to filters adapted for other applications and uses. As applied specifically to transmission fluid filters, the invention broadly contemplates a filter medium and a support means for carrying the filter medium, the latter including an outlet for directing filtered fluid to a transmission. The filter medium support means comprlses (1) a base member, preferably of stamped sheet metal material, which has a generally flat wall with a plurality of support bosses upstanding therefrom, and (~) a molded plastic filter element or frame having a plurality o ribs and supported by the bosses to carr~ tho filter medi~m in spaced relation to the .
base wall. The filter medium is preferably molded into the filter frame including the opposing edges of the support ribs.
The invention claimed i~:
An object of the present invention is to provide a fluid fllter, specifically a transmission fluid filter, which possesses a minimum number of individual parts, in which the parts are economical to fabricate and assemble, and which is reliable over an extended operating lifetime.
Another object of the present invention is to provide an economical method for manufacture of a transmission 1uid filter.
The invention, together with additional objects, features and advantages thereof, will be best understood from the following description, the appended claims and the accomp-anying drawings in which:
FIG. 1 is a plan view of a transmission fluid filter in accordance with the invention;
FIG. 2 and 3 are respective plan views of the base and filter elements of the filter assembly in FIG. l;
FIGSo 4 and 5 are sectional views respectively taken along the lines 4-4 and 5-5 in FIG. l;
FIG. 6 is an e~ploded perspective view of an alternative embodiment of a transmission fluid filter ln accordance with the invention; and FIG. 7 is a sectional view similar to that of FIG. 4 longitudinally bisecting the embodiement of FIG. 6.
Referring to FIGS. 1-5, a transmission fluid filter assembly 10 provided in accordance with the invention is illustrated therein and comprises a dished base member or pan 12 of stamped sheet metal or the like having a generally flat bottom wall 14 and a peripheral shoulder 16 spaced axially upwardly therefrom as best seen in FIG. 4.
A pair of apertured generally cylindrical shoulders 18,20 are struck upwardly from base wall 14 in the central portion thereof. A plurality of support bosses 22 are struck upwardly from the base wall in a generally symetrical array, groups of bosses 22 being aligned radially outwardly of support shoulders 18,20 as best appreciated from FIGS. 1 and 2.
A filter element generally indicated at 24 is carried by base .12 and includes a mesh 26 of plastic fibers which may, for example, be polyester molded into a one-piece support frame 28 of high-temperature synthetic resin such as fiber~lass-reinforced nylon. Frame 28 includes a peripheral ~dge 30 captured against base shoulder 16 by the inwardly struck lips or flanges 32 extending from each shoulder edge.
A central portion 34 of frame 28 includes the first apertures 36 (FIG. 3) for attachment to base shoulders 18 as by eyelets 38 (FIGS 1 and 4~ ~nd the second apertures 40 (FIG. 3~ in the region of shoulders 18 to provide a filter fluid outlet for connection to a suitable transmission fluid pump (not shown~. A plurality of ribs 42 extend generally radially from the region of fluid outlets 40 and connect frame central portion 34 to frame edge 30 integrally therewith. Each of the ribs 42 overlies and is supported in assembly (FIGS. 1 and 4-5) by a corresponding radially aligned group of bosses 22, ribs 42 as a whole thereby spacing mesh 26 from base wall 14 disposed therebelow to form a fluid cavity therebetween.
In addition to the mesh support function here-inabove described, the re9pective ribs 42 cooperate to form filter sections between adjacent ribs to guide filtered fluid flowing through mesh 26 in the direction generally indicated at 43 (FIG. 4) from adjacent the edge of filter 10 to the region of outlets 40.
The lower edges 44 of ribs 42 are spaced by bosses 22 from base wall 14 to permit lateral flow of fluid between the adjacent filter sections defined by support ribs 42 so that fluid flow will continue and fluid sections will remain operative even if one of the filter sections becomes clogged adjacent the outlets. As best appreciated from FIGS. 4 and 5, mesh 26 is molded into the upper surfaces of frame center 34 and frame edge 3Q, and into the upper edges of ribs 42 such that the mesh is firmly supported against sagging between adjacent ribs which might othe.rwise take place due to clogging.
Such clogging and sagging in prior art ~ilters not only inhibit proper performance of the associated filter section, but also place undesirable tension on the mesh ibers and may lead to tearing and consequent complete loss of the mesh filtering function. Bosses 22 not only serve to support ribs 42 but also to strengthen and rigidify sheet metal base 12.
FIGS. 6 and 7 illustrated a second embodiment 60 of the automatic transmission fluid filter in accordance with the invention comprising a dished base member or pan 62 with bosses 64 projecting therefrom and a fluid outlet aperture 66. A filter element~68 ls received in base member 62 and includes a mesh 70 molded into ribs 72 which extend from the region of outlet 66 to a filter frame periphery 74. A second pan 76 is received over filter element 68 and held by the turned-down flange 78 on base member 62 to define a fluid inlet 80 at the outlet-remote end of filter element 68.
In use, ribs 72 are disposed below bosses 64, as best seen in FIG. 7, and held thereagainst by the pressure of fluid ~rawn through inlet 80, mesh 70 and outlet 66 by a fluid pump (not shown).
Although the filter provided by the present invention and the method for manufacture thereof have thus far been described in connection with automatic transmission fluid filters of specific configuration adapted for use in transmissions of particular automobile manufactures, it will be appreciated that in its br~ader aspects the in~ention is applicable not only to other transmission filter configurations but also to filters adapted for other applications and uses. As applied specifically to transmission fluid filters, the invention broadly contemplates a filter medium and a support means for carrying the filter medium, the latter including an outlet for directing filtered fluid to a transmission. The filter medium support means comprlses (1) a base member, preferably of stamped sheet metal material, which has a generally flat wall with a plurality of support bosses upstanding therefrom, and (~) a molded plastic filter element or frame having a plurality o ribs and supported by the bosses to carr~ tho filter medi~m in spaced relation to the .
base wall. The filter medium is preferably molded into the filter frame including the opposing edges of the support ribs.
The invention claimed i~:
Claims (6)
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1.
In a fluid filter assembly comprising a filter medium, support means for carrying said filter medium to permit passage of fluid through said filter medium into a cavity defined between said support means and said filter medium and a fluid outlet from said cavity, the improvement wherein said support means comprises a base member, and a filter support frame having a peripheral edge which cooperates with said base member to define said cavity and a plurality of support ribs extending from adjacent said fluid outlet to said peripheral edge, said filter medium being carried by said ribs in spaced relation to said base member.
In a fluid filter assembly comprising a filter medium, support means for carrying said filter medium to permit passage of fluid through said filter medium into a cavity defined between said support means and said filter medium and a fluid outlet from said cavity, the improvement wherein said support means comprises a base member, and a filter support frame having a peripheral edge which cooperates with said base member to define said cavity and a plurality of support ribs extending from adjacent said fluid outlet to said peripheral edge, said filter medium being carried by said ribs in spaced relation to said base member.
2.
The improved filter assembly set forth in claim 1 wherein said filter medium is fixed to said filter support frame including said ribs, said filter medium being fixedly suspended between said ribs.
The improved filter assembly set forth in claim 1 wherein said filter medium is fixed to said filter support frame including said ribs, said filter medium being fixedly suspended between said ribs.
3.
The improved filter assembly set forth in claim 2 wherein said base member includes a generally flat wall spaced from said filter medium and a plurality of support bosses upstanding from said wall to support said ribs, the space between said ribs and said wall between said bosses being open to permit lateral fluid flow between filter sections defined between respective pairs of said ribs.
The improved filter assembly set forth in claim 2 wherein said base member includes a generally flat wall spaced from said filter medium and a plurality of support bosses upstanding from said wall to support said ribs, the space between said ribs and said wall between said bosses being open to permit lateral fluid flow between filter sections defined between respective pairs of said ribs.
4.
The improved filter assembly set forth in claim 3 wherein said filter support frame including said ribs are molded integrally with said filter medium.
The improved filter assembly set forth in claim 3 wherein said filter support frame including said ribs are molded integrally with said filter medium.
5.
The improved filter assembly set forth in claim 4 wherein said base member is of sheet metal having said bosses stamped therein and wherein said filter frame is of molded glass-reinforced nylon.
6.
A transmission fluid filter comprising a filter medium and means for carrying said filter medium including means for providing a fluid outlet, said means for carrying said filter medium comprising a base member including a generally flat wall having a plurality of support means upstanding therefrom, and a filter frame including a plurality of ribs supported by said support means and carrying said filter medium in spaced relation to said base wall to define a cavity therebetween for passage of fluid to said outlet.
7.
The improved filter assembly set forth in claim
The improved filter assembly set forth in claim 4 wherein said base member is of sheet metal having said bosses stamped therein and wherein said filter frame is of molded glass-reinforced nylon.
6.
A transmission fluid filter comprising a filter medium and means for carrying said filter medium including means for providing a fluid outlet, said means for carrying said filter medium comprising a base member including a generally flat wall having a plurality of support means upstanding therefrom, and a filter frame including a plurality of ribs supported by said support means and carrying said filter medium in spaced relation to said base wall to define a cavity therebetween for passage of fluid to said outlet.
7.
The improved filter assembly set forth in claim
6 wherein said ribs extend from adjacent said outlet to a peripheral edge of said filter frame to define a plurality of filter sections between respective ribs for guiding fluid from said peripheral edge to said outlet.
8.
The improved filter assembly set forth in claim 7 wherein said support means comprises a plurality of bosses disposed in aligned groups in correspondence with said ribs.
9.
The improved filter assembly set forth in claim 8 wherein space between said ribs and said wall between said bosses is open to permit lateral fluid flow between said filter sections.
10.
A method of forming a transmission fluid filter which includes a filter medium and support means for carrying said filter medium and defining a fluid outlet, said method comprising the steps of: (a) stamping from sheet metal a base member having a generally flat wall with a first peripheral edge, first means for defining said outlet and a plurality of bosses upstanding from said wall, (b) providing said filter medium in the form of a fiber mesh, (c) molding said mesh into a filter frame comprising second means cooperable with said first means to define said outlet, a second peripheral edge and a plurality of support ribs integrally extending from said second means to said second peripheral edge, and (d) assembling said filter element to said base member about said first and second peripheral edges such that said support ribs rest upon said bosses and said mesh is spaced from said base wall by said bosses and said ribs to define a fluid cavity therebetween.
8.
The improved filter assembly set forth in claim 7 wherein said support means comprises a plurality of bosses disposed in aligned groups in correspondence with said ribs.
9.
The improved filter assembly set forth in claim 8 wherein space between said ribs and said wall between said bosses is open to permit lateral fluid flow between said filter sections.
10.
A method of forming a transmission fluid filter which includes a filter medium and support means for carrying said filter medium and defining a fluid outlet, said method comprising the steps of: (a) stamping from sheet metal a base member having a generally flat wall with a first peripheral edge, first means for defining said outlet and a plurality of bosses upstanding from said wall, (b) providing said filter medium in the form of a fiber mesh, (c) molding said mesh into a filter frame comprising second means cooperable with said first means to define said outlet, a second peripheral edge and a plurality of support ribs integrally extending from said second means to said second peripheral edge, and (d) assembling said filter element to said base member about said first and second peripheral edges such that said support ribs rest upon said bosses and said mesh is spaced from said base wall by said bosses and said ribs to define a fluid cavity therebetween.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US854,385 | 1977-11-23 | ||
| US05/854,385 US4136011A (en) | 1977-11-23 | 1977-11-23 | Transmission fluid filter and method for manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1104943A true CA1104943A (en) | 1981-07-14 |
Family
ID=25318549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA311,926A Expired CA1104943A (en) | 1977-11-23 | 1978-09-22 | Transmission fluid filter and method for manufacture thereof |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4136011A (en) |
| JP (1) | JPS5844006B2 (en) |
| AU (1) | AU521910B2 (en) |
| BR (1) | BR7807680A (en) |
| CA (1) | CA1104943A (en) |
| DE (1) | DE2850268C2 (en) |
| ES (1) | ES475312A1 (en) |
| FR (1) | FR2409784B1 (en) |
| GB (1) | GB2008425B (en) |
| IT (1) | IT1106088B (en) |
| MX (1) | MX146835A (en) |
| SE (1) | SE435575B (en) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264443A (en) * | 1979-02-16 | 1981-04-28 | Sealed Power Corporation | Transmission fluid filter |
| JPS5918163Y2 (en) * | 1979-04-17 | 1984-05-26 | 株式会社小松製作所 | hydraulic oil tank |
| JPS6215598Y2 (en) * | 1979-09-19 | 1987-04-20 | ||
| US4387023A (en) * | 1979-11-05 | 1983-06-07 | Dwight Napier | Transmission filter adapter |
| AU540986B2 (en) * | 1980-07-11 | 1984-12-13 | Sealed Power Corp. | Transmission fluid filter |
| US4402827A (en) * | 1980-07-11 | 1983-09-06 | Sealed Power Corporation | Transmission fluid filter |
| US4450081A (en) * | 1981-07-16 | 1984-05-22 | Sealed Power Corporation | Transmission fluid filter and method of manufacture |
| JPS59135110U (en) * | 1983-02-28 | 1984-09-10 | 株式会社土屋製作所 | filter |
| US4600511A (en) * | 1984-08-20 | 1986-07-15 | Allomatic Industries, Inc. | Two-layer fluid filter with spacer |
| US4604200A (en) * | 1985-06-06 | 1986-08-05 | Igc, Inc. | Fluid filter with uniform spacing |
| US4804466A (en) * | 1985-08-08 | 1989-02-14 | Allomatic Industries, Inc. | Fluid filter with internal spacer |
| US4826598A (en) * | 1985-11-29 | 1989-05-02 | Filtertek, Inc. | Hermetically sealed transmission filter |
| US4869816A (en) * | 1987-11-24 | 1989-09-26 | Magna International (Canada) Inc. | Transmission fluid filter joint |
| US5049274A (en) * | 1988-01-11 | 1991-09-17 | Filtertek, Inc. | Friction welding process and filter formed thereby |
| DE4141823C2 (en) * | 1991-12-18 | 1994-12-15 | Mann & Hummel Filter | Liquid filter |
| JP3068743B2 (en) * | 1994-03-24 | 2000-07-24 | 本田技研工業株式会社 | Filter device |
| DE19518014A1 (en) * | 1995-05-17 | 1996-11-21 | Mann & Hummel Filter | Filter arrangement |
| US5607637A (en) * | 1995-06-06 | 1997-03-04 | Ibs Filtran Gmbh | Method of manufacturing a transmission fluid filter |
| US6616836B1 (en) * | 1997-07-29 | 2003-09-09 | Dana Corporation | Filter element for oil pans and filter element/oil pan combination |
| US6013179A (en) * | 1997-12-31 | 2000-01-11 | Dana Corporation | Filter having an integral gasket |
| USD421025S (en) * | 1998-12-23 | 2000-02-22 | Spx Corporation | Transmission fluid filter |
| USD422600S (en) * | 1999-03-16 | 2000-04-11 | Spx Corporation | Transmission fluid filter |
| USD420682S (en) * | 1999-03-16 | 2000-02-15 | Spx Corporation | Transmission filter assembly |
| EP1091162B1 (en) * | 1999-10-06 | 2003-12-17 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Cleaning mat for gear mechanism |
| US6585889B2 (en) | 2000-06-01 | 2003-07-01 | Federal-Mogul World Wide Inc. | Transmission oil pan module having filter with integrated drain plug |
| EP1339954B1 (en) * | 2000-12-08 | 2006-10-04 | IBS Filtran Kunststoff-/Metallerzeugnisse GmbH | Metal oil pan with an integrated oil filter |
| US6488844B2 (en) | 2001-01-23 | 2002-12-03 | Federal-Mogul World Wide, Inc. | Oil pan including a snap-fit cover and removable oil filter element |
| US6793812B2 (en) * | 2001-07-06 | 2004-09-21 | Spx Corporation | Fluid filtration assembly combining return-side and supply-side filters for use in a vehicle transmission |
| US6835306B2 (en) * | 2001-07-06 | 2004-12-28 | Spx Corporation | Return-side filter for use in a vehicle transmission |
| US20050133428A1 (en) * | 2003-12-22 | 2005-06-23 | Peet C. A. | Filter media supporting apparatus and method in an engine or transmission filter |
| US20050133421A1 (en) * | 2003-12-22 | 2005-06-23 | Peet C. A. | Ribbed plastic tray insert apparatus and method for supporting filter media in an engine or transmission filter |
| US20050139541A1 (en) * | 2003-12-30 | 2005-06-30 | Peet C. A. | Filter media supporting apparatus and method in an engine or transmission filter |
| DE102005008924A1 (en) * | 2005-02-24 | 2006-08-31 | Mann + Hummel Gmbh | Filter units for incorporation in stacked form in filtration device for purifying fluids, comprises filter medium sealed to frame with fluid throughflow pipes and supporting bridges |
| DE102007023641B4 (en) * | 2007-05-22 | 2015-04-02 | Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh | Oil filter device |
| US20090139922A1 (en) * | 2007-12-04 | 2009-06-04 | Gm Global Technology Operations, Inc. | Transmission Filter System |
| US7998347B2 (en) * | 2008-05-29 | 2011-08-16 | Ford Global Technologies, Llc | Suction filter for automatic transmission fluid |
| DE102008027662A1 (en) * | 2008-06-10 | 2009-12-17 | Ibs Filtran Kunststoff- / Metallerzeugnisse Gmbh | Oil pan with oil filter |
| DE102008038958B4 (en) * | 2008-08-13 | 2017-11-02 | Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh | Oil pan with oil filter to carrier unit |
| RU2632018C2 (en) * | 2013-04-30 | 2017-10-02 | Эм-Ай ДРИЛЛИНГ ФЛЮИДЗ ЮКей ЛТД. | Sifting device containing frame elements with inclined surface or inclined surfaces |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US262702A (en) * | 1882-08-15 | Filter | ||
| US1017083A (en) * | 1911-05-26 | 1912-02-13 | Charles M Cuppel | Milk-strainer. |
| US1913193A (en) * | 1928-07-02 | 1933-06-06 | Gen Motors Corp | Oil filter arrangement |
| US2665009A (en) * | 1951-06-30 | 1954-01-05 | Int Harvester Co | Milk strainer with removable baffle and centering device |
| DE1217799B (en) * | 1961-05-12 | 1966-05-26 | Ford Motor Co | Arrangement of the pressure fluid circuit for a motor vehicle transmission |
| US3371793A (en) * | 1966-05-12 | 1968-03-05 | Gen Motors Corp | Conformable oil filtering device |
| US3807146A (en) * | 1967-02-21 | 1974-04-30 | H Witkowski | Mold for making a filter |
| US3480149A (en) * | 1967-03-08 | 1969-11-25 | Gen Motors Corp | Flat casing filter device |
-
1977
- 1977-11-23 US US05/854,385 patent/US4136011A/en not_active Expired - Lifetime
-
1978
- 1978-09-22 CA CA311,926A patent/CA1104943A/en not_active Expired
- 1978-09-28 AU AU40265/78A patent/AU521910B2/en not_active Expired
- 1978-09-29 MX MX175061A patent/MX146835A/en unknown
- 1978-10-20 FR FR7829953A patent/FR2409784B1/en not_active Expired
- 1978-10-27 IT IT51693/78A patent/IT1106088B/en active
- 1978-11-01 JP JP53135131A patent/JPS5844006B2/en not_active Expired
- 1978-11-20 DE DE2850268A patent/DE2850268C2/en not_active Expired
- 1978-11-22 GB GB7845551A patent/GB2008425B/en not_active Expired
- 1978-11-22 ES ES475312A patent/ES475312A1/en not_active Expired
- 1978-11-22 BR BR7807680A patent/BR7807680A/en unknown
- 1978-11-22 SE SE7812024A patent/SE435575B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU4026578A (en) | 1980-04-03 |
| FR2409784A1 (en) | 1979-06-22 |
| DE2850268C2 (en) | 1985-05-23 |
| ES475312A1 (en) | 1979-12-01 |
| GB2008425B (en) | 1982-06-09 |
| SE7812024L (en) | 1979-05-24 |
| DE2850268A1 (en) | 1979-05-31 |
| MX146835A (en) | 1982-08-25 |
| JPS5844006B2 (en) | 1983-09-30 |
| AU521910B2 (en) | 1982-05-06 |
| IT7851693A0 (en) | 1978-10-27 |
| SE435575B (en) | 1984-10-08 |
| JPS5475674A (en) | 1979-06-16 |
| FR2409784B1 (en) | 1985-11-08 |
| BR7807680A (en) | 1979-07-31 |
| US4136011A (en) | 1979-01-23 |
| IT1106088B (en) | 1985-11-11 |
| GB2008425A (en) | 1979-06-06 |
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