WO2008008268A1 - Roller, sprag or ratchet one-way clutch with two backing plates - Google Patents
Roller, sprag or ratchet one-way clutch with two backing plates Download PDFInfo
- Publication number
- WO2008008268A1 WO2008008268A1 PCT/US2007/015521 US2007015521W WO2008008268A1 WO 2008008268 A1 WO2008008268 A1 WO 2008008268A1 US 2007015521 W US2007015521 W US 2007015521W WO 2008008268 A1 WO2008008268 A1 WO 2008008268A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- race
- way clutch
- friction
- drum
- backing plate
- Prior art date
Links
Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D47/00—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings
- F16D47/04—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings of which at least one is a freewheel
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
Definitions
- the present invention relates to one-way clutches especially one-way clutches and automotive transmissions which utilize the same.
- One-way clutches are often used in automotive transmissions. Typically the one-way clutch will be installed within a transmission casing axially juxtaposing lateral individually installed backing plates. The backing plates serve as stops for adjacent outboard friction packs. It is desirable to provide a one-way clutch which incorporates both backing plates so that its assembly into the transmission can be simplified and so that stringent dimensional tolerances of the transmission assembly can be more easily met. Additionally, in front wheel drive vehicles with a transverse mounted engine, it is desirable that the length of the transmission be as short as possible.
- the present invention provides a oneway clutch comprising that include a first race and a second race having relative rotational movement with the first race.
- a locking mechanism is provided to allow relative rotational movement between the races in one direction only.
- First and second backing places are connected with the first race. Accordingly, installation of the one way clutch also installs a backing plate required for two friction packs at the same time.
- Figure 1 is a partial sectional view of a preferred embodiment one-way clutch of the present invention shown in the environment of a transmission arrangement;
- Figure 2 is a view similar to that of Figure 1 of an alternative embodiment one-way clutch of the present invention;
- Figure 3 is a view similar to that of Figure 1 of still another alternative embodiment one-way clutch of the present invention.
- Figure 4 is a view similar to Figure 1 of still another alternative embodiment one-way clutch according to the present invention
- Figure 5 is sectional view taken along line 5-5 of Figure 4
- Figure 6 is view similar to that of Figure 1 of still another alternative embodiment of a one-way clutch according to the present invention
- Figure 7 is a view similar to that of Figure 1 of still another alternative embodiment one-way clutch of the present invention.
- Figure 8 is a view similar to that of Figure 1 of still another alternative embodiment one-way clutch according to the present invention.
- Figure 9 is an exploded view of the one-way clutch shown in Figure 8.
- the clutch 7 includes an outer race 10.
- the outer race 10 has an integral first backing plate 12.
- the outer race 10 also has a fixedly connected second backing plate 14.
- the backing plate 14 may be connected to the outer race 10 by an adhesive, welding, bonding rivets, bolts, screws, an interference fit, cutting serrations or swedging.
- Connected with the outer race 10 on a side opposite the backing plate 12 is an integral friction pack drum 16.
- the friction pack drum 16 is integral with the outer race 10.
- Torsionally connected to the friction pack drum 16 is a series of annular axially movable separator plates 18.
- the inner race 20 Mounted for unidirectional movement with respect to the outer race 10 is an inner race 20.
- the inner race 20 has an integral friction pack spline 22.
- the friction pack spline 22 is torsionally connected with a series of annular friction members provided by friction discs 24.
- the friction discs 24 juxtapose the separator plates 18.
- a locking mechanism 26 is provided to allow only unidirectional relative rotational movement between the inner race 20 and outer race 10.
- the locking mechanism 26 can be a sprag type, roller type, ratchet type, or other suitable locking mechanism.
- the transmission 9 has a cast casing 30.
- the casing 30 has a machined non-rotative liner 32.
- the liner 32 provides an interior boundary and has a spline portion torsionally connected with a first set or series of axially movable friction members or separator plates 34.
- the separator plates 34 are generally adjacent the first backing plate 12.
- the separator plates 34 are juxtaposed by friction discs 36.
- the discs 36 are torsionally connected to a gear housing 38.
- a piston actuator 40 is provided that is fixed to the casing 30. Activation of the piston actuator 40 causes the friction pack of the separator plates 34 and discs 36 to lock up against the backing plate 12 thereby locking the cage arm 38 with the case 30.
- the first race 10 on its circumference surface has a series of serrations 42 which torsionally locked the outer race 10 with serrations 43 of the transmission casing liner 32.
- the locking of the cage arm 38 with the casing 30 is part of the gear selection process of the transmission 9.
- a piston actuator 46 fixed with respect to the liner 32 is provided to selectively engage the friction pack of a second set of axially movable friction members or plates 18 and a third set of axially movable friction members or discs 24 against the adjacent backing plate 14 to lock the inner race 20 with the casing 30.
- the locking the inner race 20 prevents rotation of the cage arm 48, thereby participating in the gear selection process of the transmission 9.
- one-way clutch 70 has an outer race 72 and an inner race 74.
- the friction pack drum 76 and the backing plate 78 are integrally formed from a stamping.
- the outer race 72 can be fitted within friction pack drum 76 stamping by a press fit or other type of interference fit.
- the outer race 72 can also be splined to the friction pack drum 76.
- a plate 77 is connected with an outer race housing 82 to supply a backing plate.
- housing side 83 can be strengthened to provide a backing plate.
- One way clutch 70, friction pack drums 76 and 85, axially movable friction members 86 and 87 can be installed within the liner 32 as a single unit due to the retainer clip 88.
- One way clutch 79 ( Figure 3) is similar to one way clutch 70. Both backing plates are connected with the outer race 72. The outer race 72 is directly splined or interference fitted with the liner 32. The liner 32 functions as one of the friction pack drums. Referring to Figures 4 and 5 a one-way clutch 71 has an outer race
- Friction pack drum 115 has serrations 116 to allow it to be non-rotatively mounted with a transmission casing.
- the transmission arrangement 209 is provided having a one way clutch according to the present invention 207.
- One way clutch 207 has a first race 212 with an integral first backing plate 214. Connected by brazing to the first race 207 is a second backing plate 216. It is apparent to those skilled in the art that the second backing plate 216 will be joined to the outer race 212 only after the inner second race 218 has been assembled to the outer race 212.
- the annular axially movable friction members 34 and 18 have an outer diameter which is less than the outer diameter of the outer race 10.
- the transmission liner 220 provides an interior boundary with a first interior diameter 222, a second larger interior diameter 224 and a third still larger interior diameter 226. Accordingly, the outer diameter of the friction disc 34 is less than the outer diameter of the first backing plate 214 or the first race 212 and both of these diameters are less than the outer diameter of the disc 18 or of the second friction facing 216.
- the outer race 212 has a series of valleys or depressions 230 which pivotally mount ratchet pawl members 232.
- Ratchet pawl members 232 have a locking edge 234 for engagement with ratchet surface 236 of the inner race 218 to prevent the inner race 218 from rotating any direction other than that of direction 238 as shown in Figure 9 to provide the inner race 218 with unidirectional relative rotation with respect to the outer race 212.
- the second race has a friction pack spline 240 for mounting of friction disc 24.
- a retainer clip (not shown) can be utilized to retain the friction pack together formed by the separator plate 18 and friction disc 24.
- Figure 7 provides a transmission arrangement 259 providing a one way clutch 267 having a first race 269 with a first backing plate 271 which is connected thereto by brazing.
- the other portions of the one way clutch 267 are similar or identical to that previously explained in relationship to the one way clutch 207.
- Figure 6 provides a transmission arrangement 289 wherein the one way clutch 291 has an outer race 292 with integrally connected second backing plate 293 which has a larger outer diameter than the first backing plate 295.
- the other aspects of the one way clutch 291 are ; essentially similar or identical to that previously described in relationship to the one way clutch 207.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009518376A JP5352456B2 (en) | 2006-07-07 | 2007-07-06 | Roller, sprag or ratchet one-way clutch with two backing plates |
KR1020097001086A KR101328541B1 (en) | 2006-07-07 | 2007-07-06 | Roller, sprag or ratchet one-way clutch with two backing plates |
US12/305,994 US8561772B2 (en) | 2006-07-07 | 2007-07-06 | Roller, sprag or ratchet one-way clutch with two backing plates |
EP07810223.3A EP2044344B1 (en) | 2006-07-07 | 2007-07-06 | Roller, sprag or ratchet one-way clutch with two backing plates |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81923806P | 2006-07-07 | 2006-07-07 | |
US60/819,238 | 2006-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008008268A1 true WO2008008268A1 (en) | 2008-01-17 |
Family
ID=38710495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/015521 WO2008008268A1 (en) | 2006-07-07 | 2007-07-06 | Roller, sprag or ratchet one-way clutch with two backing plates |
Country Status (6)
Country | Link |
---|---|
US (1) | US8561772B2 (en) |
EP (1) | EP2044344B1 (en) |
JP (1) | JP5352456B2 (en) |
KR (1) | KR101328541B1 (en) |
CN (1) | CN101484720A (en) |
WO (1) | WO2008008268A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010106956A (en) * | 2008-10-30 | 2010-05-13 | Nsk Warner Kk | One-way clutch of roller type |
EP3543554A1 (en) | 2018-02-19 | 2019-09-25 | Nsk-Warner K.K. | Clutch apparatus |
US11078472B2 (en) | 2016-01-20 | 2021-08-03 | Merz Pharma Gmbh & Co., Kgaa | Recombinant clostridial neurotoxins with increased duration of effect |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO2904286T3 (en) | 2012-10-08 | 2018-08-04 | ||
US9051980B2 (en) | 2013-04-26 | 2015-06-09 | Gm Global Technology Operations, Llc | Direction selectable sprag |
US9669656B2 (en) * | 2013-08-20 | 2017-06-06 | Shimano (Singapore) Pte. Ltd. | Bicycle freewheel |
WO2015087166A2 (en) | 2013-12-11 | 2015-06-18 | Innovative Trauma Care, Inc. | Double-row ratchet locking mechanism with single-bypass ('arming') functionality |
CN105934596B (en) * | 2014-01-30 | 2019-06-14 | 博格华纳公司 | Double gain friction clutches |
US11060353B2 (en) | 2016-12-15 | 2021-07-13 | Lutron Technology Company Llc | Coupling mechanism for use with a roller tube of a window treatment |
JP6877655B2 (en) * | 2018-01-16 | 2021-05-26 | シェフラー テクノロジーズ アー・ゲー ウント コー. カー・ゲーSchaeffler Technologies AG & Co. KG | Clutch carrier for transmission |
WO2020105636A1 (en) * | 2018-11-19 | 2020-05-28 | アイシン・エィ・ダブリュ株式会社 | Vehicle drive device |
EP4010613A4 (en) | 2019-08-08 | 2023-11-01 | Sigma Powertrain, Inc. | Rotational control assembly for a vehicle transmission |
Citations (4)
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US4380179A (en) * | 1980-05-06 | 1983-04-19 | Toyota Jidosha Kogyo Kabushiki Kaisha | Engagement device in automatic transmission |
US6332520B1 (en) * | 2000-06-14 | 2001-12-25 | Borgwarner Inc. | Planar ratchet one way clutch |
US20040053724A1 (en) * | 2002-09-14 | 2004-03-18 | Eberhard Biermann | Shifting element system |
US20050279602A1 (en) * | 2004-06-16 | 2005-12-22 | Means Industries, Inc. | Planar coupling assembly for an automatic transmission |
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JPS5335864A (en) * | 1976-09-13 | 1978-04-03 | Toyota Motor Corp | Hydraulic control system in vehicle automatic speed change gear |
US4782931A (en) * | 1987-09-03 | 1988-11-08 | General Motors Corporation | Overrunning clutch with lubricant collecting and distributing means |
US4805752A (en) * | 1988-03-21 | 1989-02-21 | General Motors Corporation | Variable capacity torque transmitter |
JP3261147B2 (en) * | 1991-10-29 | 2002-02-25 | アイシン・エィ・ダブリュ株式会社 | Rotary element locking device for automatic transmission |
US5511642A (en) * | 1994-04-11 | 1996-04-30 | Chrysler Corporation | Overrunning clutch assembly |
US6125979A (en) * | 1996-09-03 | 2000-10-03 | Borgwagner Inc. | Ratchet one-way clutch assembly with restraining members |
US5715918A (en) * | 1996-09-30 | 1998-02-10 | Ford Global Technologies, Inc. | Elastically latched and staked assembly in a kinematic arrangement of an automatic transmission |
US6227340B1 (en) * | 1999-08-24 | 2001-05-08 | Borgwarner Inc. | Automatic transmission with dual gain multi-disk friction device |
AU766974B2 (en) * | 1999-12-28 | 2003-10-30 | Hyundai Motor Company | Power train for automatic transmissions |
JP2002039224A (en) * | 2000-07-31 | 2002-02-06 | Honda Motor Co Ltd | One-way clutch |
JP2003090360A (en) * | 2001-09-17 | 2003-03-28 | Nsk Warner Kk | One-way clutch assembly |
JP4184670B2 (en) * | 2002-02-07 | 2008-11-19 | Nskワーナー株式会社 | Stator device using ratchet one-way clutch |
JP4206021B2 (en) * | 2003-09-29 | 2009-01-07 | Nskワーナー株式会社 | One-way clutch assembly |
CN1930073B (en) * | 2004-03-15 | 2010-06-16 | 三菱电机株式会社 | Brake device for elevator |
US20060124425A1 (en) * | 2004-12-09 | 2006-06-15 | Means Industries, Inc. | Planar coupling assembly |
JP2007315558A (en) * | 2006-05-29 | 2007-12-06 | Nsk Warner Kk | Mechanical joint type multiplate wet clutch |
-
2007
- 2007-07-06 CN CNA2007800252034A patent/CN101484720A/en active Pending
- 2007-07-06 US US12/305,994 patent/US8561772B2/en active Active
- 2007-07-06 JP JP2009518376A patent/JP5352456B2/en not_active Expired - Fee Related
- 2007-07-06 KR KR1020097001086A patent/KR101328541B1/en active IP Right Grant
- 2007-07-06 WO PCT/US2007/015521 patent/WO2008008268A1/en active Application Filing
- 2007-07-06 EP EP07810223.3A patent/EP2044344B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380179A (en) * | 1980-05-06 | 1983-04-19 | Toyota Jidosha Kogyo Kabushiki Kaisha | Engagement device in automatic transmission |
US6332520B1 (en) * | 2000-06-14 | 2001-12-25 | Borgwarner Inc. | Planar ratchet one way clutch |
US20040053724A1 (en) * | 2002-09-14 | 2004-03-18 | Eberhard Biermann | Shifting element system |
US20050279602A1 (en) * | 2004-06-16 | 2005-12-22 | Means Industries, Inc. | Planar coupling assembly for an automatic transmission |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010106956A (en) * | 2008-10-30 | 2010-05-13 | Nsk Warner Kk | One-way clutch of roller type |
US11078472B2 (en) | 2016-01-20 | 2021-08-03 | Merz Pharma Gmbh & Co., Kgaa | Recombinant clostridial neurotoxins with increased duration of effect |
EP3543554A1 (en) | 2018-02-19 | 2019-09-25 | Nsk-Warner K.K. | Clutch apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20090277738A1 (en) | 2009-11-12 |
JP5352456B2 (en) | 2013-11-27 |
JP2009542990A (en) | 2009-12-03 |
KR101328541B1 (en) | 2013-11-12 |
EP2044344B1 (en) | 2013-09-18 |
CN101484720A (en) | 2009-07-15 |
US8561772B2 (en) | 2013-10-22 |
EP2044344A1 (en) | 2009-04-08 |
KR20090032092A (en) | 2009-03-31 |
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