CN104675987B - 用于多级速度行星变速器的电子控制装置范围阀 - Google Patents
用于多级速度行星变速器的电子控制装置范围阀 Download PDFInfo
- Publication number
- CN104675987B CN104675987B CN201410829773.0A CN201410829773A CN104675987B CN 104675987 B CN104675987 B CN 104675987B CN 201410829773 A CN201410829773 A CN 201410829773A CN 104675987 B CN104675987 B CN 104675987B
- Authority
- CN
- China
- Prior art keywords
- valve
- shift
- diameter
- control device
- face
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 title claims description 25
- 239000012530 fluid Substances 0.000 claims abstract description 149
- 230000007935 neutral effect Effects 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 230000007246 mechanism Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000010338 mechanical breakdown Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/045—Ratio selector apparatus consisting of fluid valves
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0437—Smoothing ratio shift by using electrical signals
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
- F16H2061/1204—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures for malfunction caused by simultaneous engagement of different ratios resulting in transmission lock state or tie-up condition
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
- F16H2061/1244—Keeping the current state
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1288—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is an actuator
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/686—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with orbital gears
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20012—Multiple controlled elements
- Y10T74/20018—Transmission control
- Y10T74/20024—Fluid actuator
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Gear-Shifting Mechanisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/510,487 US8371988B2 (en) | 2009-07-28 | 2009-07-28 | Electronically controlled range valve for multi-speed planetary transmission |
| US12/510,487 | 2009-07-28 | ||
| CN201080042264.3A CN102575763B (zh) | 2009-07-28 | 2010-06-28 | 用于多级速度行星变速器的电子控制装置范围阀 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080042264.3A Division CN102575763B (zh) | 2009-07-28 | 2010-06-28 | 用于多级速度行星变速器的电子控制装置范围阀 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104675987A CN104675987A (zh) | 2015-06-03 |
| CN104675987B true CN104675987B (zh) | 2018-04-06 |
Family
ID=43527553
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410829773.0A Active CN104675987B (zh) | 2009-07-28 | 2010-06-28 | 用于多级速度行星变速器的电子控制装置范围阀 |
| CN201080042264.3A Active CN102575763B (zh) | 2009-07-28 | 2010-06-28 | 用于多级速度行星变速器的电子控制装置范围阀 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080042264.3A Active CN102575763B (zh) | 2009-07-28 | 2010-06-28 | 用于多级速度行星变速器的电子控制装置范围阀 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US8371988B2 (enExample) |
| EP (1) | EP2459904B1 (enExample) |
| KR (1) | KR101719017B1 (enExample) |
| CN (2) | CN104675987B (enExample) |
| CA (1) | CA2769058C (enExample) |
| IN (1) | IN2012DN01497A (enExample) |
| WO (1) | WO2011014326A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090258756A1 (en) * | 2008-04-15 | 2009-10-15 | Long Charles F | Fly-by-wire control for multi-speed planetary transmission |
| US8371988B2 (en) | 2009-07-28 | 2013-02-12 | Allison Transmission, Inc. | Electronically controlled range valve for multi-speed planetary transmission |
| US8578802B2 (en) * | 2009-12-16 | 2013-11-12 | Allison Transmission, Inc. | System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission |
| US8401752B2 (en) | 2009-12-16 | 2013-03-19 | Allison Transmission, Inc. | Fail-to-neutral system and method for a toroidal traction drive automatic transmission |
| DE102011017695B4 (de) * | 2011-04-28 | 2023-11-09 | Zf Friedrichshafen Ag | Vorrichtung zum Betätigen einer Getriebeeinrichtung mit mehreren elektrohydraulisch betätigbaren reib- und formschlüssigen Schaltelementen |
| JP5612624B2 (ja) | 2012-03-08 | 2014-10-22 | 富士重工業株式会社 | レンジ切替装置 |
| US9399454B2 (en) * | 2014-11-21 | 2016-07-26 | GM Global Technology Operations LLC | Transmission with electronic range selector and pull out of park control logic |
| CN109642660B (zh) * | 2016-10-26 | 2021-03-19 | 加特可株式会社 | 车辆的控制装置及车辆的控制方法 |
| US10023190B2 (en) * | 2016-10-28 | 2018-07-17 | Ford Global Technologies, Llc | Method and control for operating a transmission in neutral |
| JP6716790B2 (ja) * | 2017-06-05 | 2020-07-01 | アルプスアルパイン株式会社 | プッシュ式シフト装置 |
| WO2019005553A2 (en) * | 2017-06-30 | 2019-01-03 | Allison Transmission, Inc. | CONTROL SYSTEM AND ITS METHOD FOR MULTI-SPEED TRANSMISSION |
| US10514094B2 (en) * | 2017-07-13 | 2019-12-24 | GM Global Technology Operations LLC | Method for controlling the internal electronic range selection for a 9 speed automatic transmission |
| GB201803286D0 (en) * | 2018-02-28 | 2018-04-11 | 3D Oscopy Ltd | Imaging system and method |
| CN109869477B (zh) * | 2019-03-28 | 2024-01-26 | 徐州徐工施维英机械有限公司 | 一种变速箱换档保护系统及工程机械 |
| US11181193B2 (en) * | 2019-11-27 | 2021-11-23 | Allison Transmission, Inc. | Power off hydraulic default strategy |
| CN113464639B (zh) * | 2021-06-09 | 2023-01-24 | 贵州大学 | 一种重型液力自动变速器的断电保护系统 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319164B1 (en) * | 2000-05-23 | 2001-11-20 | General Motors Corporation | Electro-hydraulic control with a manual selection valve |
| CN101093017A (zh) * | 2006-06-06 | 2007-12-26 | 通用汽车公司 | 具有互锁保护的电液控制系统 |
| CN101230912A (zh) * | 2007-01-24 | 2008-07-30 | 通用汽车公司 | 带复用压力开关诊断系统的电-液压控制系统 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070927A (en) * | 1976-06-04 | 1978-01-31 | General Motors Corporation | Planetary gearing arrangement for a transmission |
| US4075912A (en) * | 1976-12-20 | 1978-02-28 | General Motors Corporation | Transmission with sump oil level responsive controls |
| JPS5642761A (en) * | 1979-09-10 | 1981-04-21 | Toyota Motor Corp | Oil pressure controller for automatic transmission |
| JP2689630B2 (ja) * | 1989-08-09 | 1997-12-10 | トヨタ自動車株式会社 | 車両用油圧クラッチの油圧制御装置 |
| JPH08184365A (ja) * | 1994-12-28 | 1996-07-16 | Nippon Soken Inc | 車両用自動変速装置 |
| US5616093A (en) * | 1995-10-13 | 1997-04-01 | General Motors Corporation | Electro-hydraulic control system in a power transmission |
| US5601506A (en) * | 1995-10-13 | 1997-02-11 | General Motors Corporation | Electro-hydraulic control system in a power transmission |
| KR100391411B1 (ko) * | 2000-12-30 | 2003-07-12 | 현대자동차주식회사 | 차량용 자동변속기의 유압 제어 시스템 |
| US6520881B1 (en) * | 2001-08-06 | 2003-02-18 | General Motors Corporation | Fly-by-wire electro-hydraulic control mechanism for a six speed transmission |
| US6585617B1 (en) * | 2001-12-19 | 2003-07-01 | General Motors Corporation | Electro-hydraulic control system for a multi-speed power transmission |
| US7140993B2 (en) * | 2004-10-28 | 2006-11-28 | General Motors Corporation | Fly-by-wire limp home and multi-plex system |
| US7288039B2 (en) * | 2005-10-31 | 2007-10-30 | General Motors Corporation | Multiplexed pressure switch system for an electrically variable hybrid transmission |
| US7396306B2 (en) | 2005-11-21 | 2008-07-08 | General Motors Corporation | Multiplexed control system and method for an electrically variable hybrid transmission |
| US7618344B2 (en) * | 2005-12-28 | 2009-11-17 | Aisin Aw Co., Ltd. | Hydraulic control apparatus for a multi-stage automatic transmission |
| US7736269B2 (en) * | 2007-02-14 | 2010-06-15 | Gm Global Technology Operations, Inc. | Electro-hydraulic control system with three-position dog clutch actuator valve |
| US7980995B2 (en) * | 2007-09-18 | 2011-07-19 | GM Global Technology Operations LLC | Electro-hydraulic control system with multiplexed solenoid for retarder operation and main pressure modulation |
| US8052563B2 (en) * | 2007-09-18 | 2011-11-08 | GM Global Technology Operations LLC | Electro-hydraulic control system for transmission with dual-area piston for torque-transmitting mechanism |
| KR100953307B1 (ko) * | 2007-11-06 | 2010-04-21 | 현대자동차주식회사 | 차량용 8속 자동 변속기의 유압 제어시스템 |
| US8371988B2 (en) | 2009-07-28 | 2013-02-12 | Allison Transmission, Inc. | Electronically controlled range valve for multi-speed planetary transmission |
-
2009
- 2009-07-28 US US12/510,487 patent/US8371988B2/en not_active Expired - Fee Related
-
2010
- 2010-06-28 WO PCT/US2010/040162 patent/WO2011014326A1/en not_active Ceased
- 2010-06-28 KR KR1020127004978A patent/KR101719017B1/ko active Active
- 2010-06-28 IN IN1497DEN2012 patent/IN2012DN01497A/en unknown
- 2010-06-28 CN CN201410829773.0A patent/CN104675987B/zh active Active
- 2010-06-28 EP EP10804864.6A patent/EP2459904B1/en active Active
- 2010-06-28 CA CA2769058A patent/CA2769058C/en active Active
- 2010-06-28 CN CN201080042264.3A patent/CN102575763B/zh active Active
-
2013
- 2013-02-11 US US13/764,058 patent/US8858378B2/en active Active
-
2014
- 2014-10-14 US US14/514,022 patent/US9765877B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319164B1 (en) * | 2000-05-23 | 2001-11-20 | General Motors Corporation | Electro-hydraulic control with a manual selection valve |
| CN101093017A (zh) * | 2006-06-06 | 2007-12-26 | 通用汽车公司 | 具有互锁保护的电液控制系统 |
| CN101230912A (zh) * | 2007-01-24 | 2008-07-30 | 通用汽车公司 | 带复用压力开关诊断系统的电-液压控制系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9765877B2 (en) | 2017-09-19 |
| EP2459904A1 (en) | 2012-06-06 |
| CA2769058C (en) | 2017-05-23 |
| CN102575763A (zh) | 2012-07-11 |
| EP2459904A4 (en) | 2013-04-24 |
| US20130145883A1 (en) | 2013-06-13 |
| KR20120048653A (ko) | 2012-05-15 |
| CN104675987A (zh) | 2015-06-03 |
| WO2011014326A1 (en) | 2011-02-03 |
| EP2459904B1 (en) | 2017-09-20 |
| IN2012DN01497A (enExample) | 2015-06-05 |
| US20110028270A1 (en) | 2011-02-03 |
| KR101719017B1 (ko) | 2017-03-22 |
| US8858378B2 (en) | 2014-10-14 |
| US20150027259A1 (en) | 2015-01-29 |
| CA2769058A1 (en) | 2011-02-03 |
| CN102575763B (zh) | 2015-01-21 |
| US8371988B2 (en) | 2013-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104675987B (zh) | 用于多级速度行星变速器的电子控制装置范围阀 | |
| CN102428299B (zh) | 双离合变速器的电液故障恢复控制器 | |
| US7736269B2 (en) | Electro-hydraulic control system with three-position dog clutch actuator valve | |
| CN100465483C (zh) | 用于电可变混合变速器的多路复用的调整阀系统 | |
| CN101093017B (zh) | 具有互锁保护的电液控制系统 | |
| CN101235834B (zh) | 用于传动装置的具有多路整流阀的电动液压控制系统 | |
| US8852049B2 (en) | Fast valve actuation system for an automatic transmission | |
| US20100326542A1 (en) | Control system for an automatic transmission having multiple default modes | |
| US6319164B1 (en) | Electro-hydraulic control with a manual selection valve | |
| CN101424334B (zh) | 用于车辆的八速自动变速器的液压控制系统 | |
| CN107559415A (zh) | 用于具有电子变速器范围选择的自动变速器的液压控制系统 | |
| US8425378B2 (en) | Dual gain clutch control system | |
| CN101451607B (zh) | 用于双离合器变速器中的电子档位选择的控制系统 | |
| US8337358B2 (en) | Hydraulic clutch control mechanization with all-mode default for use in a multimode hybrid transmission | |
| US20050056515A1 (en) | Selective bypass of solenoid-controlled supply to friction elements of an automatic transmission | |
| JP2911606B2 (ja) | 自動変速機用液圧制御システム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |