DE3663910D1 - Adaptive direct pressure shift control for a motor vehicle transmission - Google Patents

Adaptive direct pressure shift control for a motor vehicle transmission

Info

Publication number
DE3663910D1
DE3663910D1 DE8686308549T DE3663910T DE3663910D1 DE 3663910 D1 DE3663910 D1 DE 3663910D1 DE 8686308549 T DE8686308549 T DE 8686308549T DE 3663910 T DE3663910 T DE 3663910T DE 3663910 D1 DE3663910 D1 DE 3663910D1
Authority
DE
Germany
Prior art keywords
motor vehicle
shift control
vehicle transmission
direct pressure
pressure shift
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
Application number
DE8686308549T
Other languages
German (de)
English (en)
Inventor
Robert Charles Downs
Larry Theodore Nitz
Joseph Lee Wanamaker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motors Liquidation Co
Original Assignee
General Motors Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Motors Corp filed Critical General Motors Corp
Application granted granted Critical
Publication of DE3663910D1 publication Critical patent/DE3663910D1/de
Expired legal-status Critical Current

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
    • 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
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
    • 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
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6807—Status of gear-change operation, e.g. clutch fully engaged
    • 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
    • F16H2061/0075—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 a particular control method
    • F16H2061/0087—Adaptive control, e.g. the control parameters adapted by learning
    • 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
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F16H2061/0255—Solenoid valve using PWM or duty-cycle control
    • 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
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • 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
    • F16H61/08—Timing control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
DE8686308549T 1985-11-29 1986-11-03 Adaptive direct pressure shift control for a motor vehicle transmission Expired DE3663910D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/802,676 US4707789A (en) 1985-11-29 1985-11-29 Adaptive direct pressure shift control for a motor vehicle transmission

Publications (1)

Publication Number Publication Date
DE3663910D1 true DE3663910D1 (en) 1989-07-20

Family

ID=25184396

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686308549T Expired DE3663910D1 (en) 1985-11-29 1986-11-03 Adaptive direct pressure shift control for a motor vehicle transmission

Country Status (5)

Country Link
US (1) US4707789A (enExample)
EP (1) EP0231593B1 (enExample)
JP (1) JPS62137458A (enExample)
CA (1) CA1254974A (enExample)
DE (1) DE3663910D1 (enExample)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353349A (ja) * 1986-08-20 1988-03-07 Aisin Warner Ltd 電子制御式自動変速機
US4942530A (en) * 1987-03-02 1990-07-17 Mazda Motor Corporation Control of vehicle automatic transmission
JP2681920B2 (ja) * 1987-04-20 1997-11-26 三菱自動車工業株式会社 自動変速機の油圧制御装置
US4967385A (en) * 1987-05-29 1990-10-30 J.I. Case Company Electronic control system for powershift transmission
US4756213A (en) * 1987-06-01 1988-07-12 Saturn Corporation Transmission control with a clutch priority valve
JPS644544A (en) * 1987-06-26 1989-01-09 Aisin Aw Co Speed change control device for automobile
US5014575A (en) * 1987-07-30 1991-05-14 Mazda Motor Corporation Control systems for automatic transmissions
JPH0625593B2 (ja) * 1987-09-29 1994-04-06 いすゞ自動車株式会社 変速機制御装置
US4796490A (en) * 1987-12-22 1989-01-10 General Motors Corporation Event sequenced clutch-to-clutch downshift for an electronically controlled transmission
JPH0781631B2 (ja) * 1987-12-25 1995-09-06 日産自動車株式会社 自動変速機のライン圧制御装置
DE3844039C2 (de) * 1987-12-28 2000-06-21 Mazda Motor Hydrauliksteuerung für Automatikgetriebe
JPH0781627B2 (ja) * 1988-02-05 1995-09-06 日産自動車株式会社 自動変速機のライン圧制御装置
US4938102A (en) * 1988-04-23 1990-07-03 Chrysler Motors Corporation Method of adaptively scheduling a shift for an electronic automatic transmission system
US4935872A (en) * 1988-04-29 1990-06-19 Chrysler Corporation Method of shift selection in an electronic automatic transmission system
US4975845A (en) * 1988-04-29 1990-12-04 Chrysler Corporation Method of operating an electronic automatic transmission system
US4975844A (en) * 1988-04-29 1990-12-04 Chrysler Corporation Method of determining the throttle angle position for an electronic automatic transmission system
US4969098A (en) * 1988-04-29 1990-11-06 Chrysler Corporation Method of torque phase shift control for an electronic automatic transmission system
US4928235A (en) * 1988-04-29 1990-05-22 Chrysler Corporation Method of determining the fluid temperature of an electronic automatic transmission system
US4875391A (en) * 1988-04-29 1989-10-24 Chrysler Motors Corporation Electronically-controlled, adaptive automatic transmission system
US4951200A (en) * 1988-04-29 1990-08-21 Chrysler Corporation Method of controlling the apply element during a kickdown shift for an electronic automatic transmission system
CA1310519C (en) * 1988-04-29 1992-11-24 Gerald L. Holbrook Method of learning for adaptively controlling an electronic automatic transmission system
US4947329A (en) * 1988-04-29 1990-08-07 Chrysler Corporation Method of determining the acceleration of a turbine in an automatic transmission
US4982620A (en) * 1988-04-29 1991-01-08 Chrysler Corporation Method of learning for adaptively controlling an electronic automatic transmission system
US4968999A (en) * 1988-04-29 1990-11-06 Chrysler Corporation Method of shift torque management for an electronic automatic transmission system
US4965735A (en) * 1988-04-29 1990-10-23 Chrysler Corporation Method of determining the shift lever position of an electronic automatic transmission system
US4939928A (en) * 1988-04-29 1990-07-10 Chrysler Corporation Method of determining the continuity of solenoids in an electronic automatic transmission system
US4991097A (en) * 1988-04-29 1991-02-05 Chrysler Corporation Method of stall torque management for an electronic automatic transmission system
US5168449A (en) * 1988-04-29 1992-12-01 Chrysler Corporation Method of calculating torque for an electronic automatic transmission system
US4965728A (en) * 1988-04-29 1990-10-23 Chrysler Corporation Method of adaptively idling an electronic automatic transmission system
US5128868A (en) * 1988-08-05 1992-07-07 Honda Giken Kogyo Kabushiki Kaisha Apparatus for controlling gearshifts in automatic transmission
US4913004A (en) * 1988-10-11 1990-04-03 J. I. Case Company Electronic powershift control system for an implement transmission
US5231898A (en) * 1988-11-24 1993-08-03 Kabushiki Kaisha Komatsu Seisakusho Method and apparatus for controlling transmission system
JPH07113408B2 (ja) * 1989-02-28 1995-12-06 日産自動車株式会社 自動変速機の液圧制御装置
JP2848401B2 (ja) * 1989-02-28 1999-01-20 日産自動車株式会社 自動変速機の変速液圧制御装置
US4936167A (en) * 1989-03-09 1990-06-26 Chrysler Corporation Method of universally organizing shifts for an automatic transmission system
US5202833A (en) * 1989-08-28 1993-04-13 Chrysler Corp Method of controlling the partial lock-up of a torque converter in an electronic automatic transmission system
US5072390A (en) * 1989-12-26 1991-12-10 General Motors Corporation Adaptive control of an automatic transmission
US5211079A (en) * 1990-01-11 1993-05-18 General Motors Corporation Method of adaptive control for closed throttle downshift in an automatic transmission
EP0435377B1 (en) * 1989-12-26 1995-04-05 General Motors Corporation Method of controlling gear change in an automatic transmission
US5216606A (en) * 1989-12-26 1993-06-01 General Motors Corporation Compensated control method for filling a fluid-operated automatic transmission clutch
JP3042848B2 (ja) * 1989-12-26 2000-05-22 アイシン・エィ・ダブリュ株式会社 電子制御式自動変速機
US5046175A (en) * 1990-01-11 1991-09-03 General Motors Corporation Method of detecting clutch tie-up during transmission shifting
JP2687734B2 (ja) * 1990-05-01 1997-12-08 日産自動車株式会社 自動変速機の変速制御装置
JPH0429666A (ja) * 1990-05-22 1992-01-31 Jatco Corp 自動変速機のライン圧制御装置
JP2873615B2 (ja) * 1990-09-11 1999-03-24 株式会社ユニシアジェックス 流体伝動装置付変速機の作動油圧制御装置
US5157608A (en) * 1990-09-14 1992-10-20 Ford Motor Company Electronic control system for multiple ratio transmission including circuit pressure control
US5151858A (en) * 1990-10-05 1992-09-29 Saturn Corporation Multiple mode adaptive pressure control for an automatic transmission
US5036729A (en) * 1990-10-23 1991-08-06 Saturn Corporation Coast-sync-coast downshift control method for clutch-to-clutch transmission shifting
US5079970A (en) * 1990-10-24 1992-01-14 General Motors Corporation Acceleration-based control of power-on downshifting in an automatic transmission
US5054599A (en) * 1990-12-24 1991-10-08 Caterpillar Inc. End of fill detector for a hydraulic clutch
US5086665A (en) * 1991-06-27 1992-02-11 Saturn Corporation Adaptive shift pressure characterization of an electronically controlled automatic transmission
US5119695A (en) * 1991-06-27 1992-06-09 Saturn Corporation Open-loop clutch-to-clutch upshift control having clutch overlap regulation
DE4124603A1 (de) * 1991-07-25 1993-01-28 Porsche Ag Verfahren zur steuerung des betaetigungsdrucks in einem stellglied eines elektrohydraulisch gesteuerten kraftfahrzeuggetriebes
US5481187A (en) * 1991-11-29 1996-01-02 Caterpillar Inc. Method and apparatus for determining the position of an armature in an electromagnetic actuator
JP3189214B2 (ja) * 1992-05-18 2001-07-16 ジヤトコ・トランステクノロジー株式会社 自動変速機の液圧制御装置
AU663813B2 (en) * 1993-02-24 1995-10-19 Caterpillar Inc. Drivetrain sensor and diagnostic system
US5343994A (en) * 1993-03-23 1994-09-06 Caterpillar Inc. End of fill detector for a hydraulic clutch
US5462500A (en) * 1993-05-21 1995-10-31 Chrysler Corporation Automatic transmission with adaptive shift schedule
US5456647A (en) * 1993-05-24 1995-10-10 Chrysler Corporation End of line volume learn sequence of friction element fill volumes for automatic transmission
JPH076841A (ja) * 1993-06-18 1995-01-10 Sumitomo Electric Ind Ltd 電気信号伝達装置
US5468198A (en) * 1994-03-04 1995-11-21 Chrysler Corporation Method of controlling coastdown and coastdown/tip-in in an automatic transmission
US5467854A (en) * 1994-06-07 1995-11-21 Caterpillar Inc. Method of controlling clutch-to-clutch shifts for a powershift transmission
US5505100A (en) * 1994-09-29 1996-04-09 Caterpillar Inc. Method of controlling interrupted shifts for a powershift transmission
US5580332A (en) * 1995-04-13 1996-12-03 Caterpillar Inc. Method for determining the fill time of a transmission clutch
US5551930A (en) * 1995-04-13 1996-09-03 Caterpillar Inc. Adaptive control method for an automatic transmission
DE19531675A1 (de) * 1995-08-29 1997-03-06 Voith Gmbh J M Verfahren zum Betreiben eines Fahrzeuggetriebes
JP4012582B2 (ja) * 1996-01-08 2007-11-21 本田技研工業株式会社 自動変速機の変速制御方法
JP3536537B2 (ja) * 1996-06-28 2004-06-14 トヨタ自動車株式会社 車両用自動変速機の変速制御装置
JP3385523B2 (ja) * 1997-08-13 2003-03-10 アイシン・エィ・ダブリュ株式会社 自動変速機の油圧制御装置
JPH1182721A (ja) * 1997-09-05 1999-03-26 Toyota Motor Corp 自動変速機の変速制御装置
US6115661A (en) * 1998-04-09 2000-09-05 Caterpillar Inc. End-of-fill detector for a fluid actuated clutch
US5950789A (en) * 1998-04-27 1999-09-14 Caterpillar Inc. End of fill detector for a fluid actuated clutch
KR100302809B1 (ko) * 1999-06-30 2001-09-22 이계안 차량용 자동 변속기의 변속 제어 방법
US6364811B1 (en) 2000-03-20 2002-04-02 General Motors Corporation Model-based transmission upshift control with engine torque management
US6292732B1 (en) 2000-03-20 2001-09-18 General Motors Corporation Adaptive on-coming clutch fill control for an automatic transmission
US6278927B1 (en) * 2000-05-22 2001-08-21 General Motors Corporation Transfer case ratio diagnostic method for a motor vehicle powertrain
DE10042146B4 (de) * 2000-08-26 2020-01-16 Zf Friedrichshafen Ag Verfahren zur Steuerung eines Getriebes
JP4002737B2 (ja) * 2001-04-11 2007-11-07 ジヤトコ株式会社 自動変速機の変速制御装置
US6813551B2 (en) * 2002-02-04 2004-11-02 Toyota Jidosha Kabushiki Kaisha Control apparatus for continuously variable transmission
US7351183B2 (en) * 2004-12-16 2008-04-01 Ford Global Technologies, Llc Ratio shift control for a multiple ratio automatic transmission
WO2006130534A2 (en) * 2005-05-31 2006-12-07 Borgwarner Inc. Method of actuator control
US7590480B2 (en) * 2005-07-05 2009-09-15 Gm Global Technology Operations, Inc. Adaptive shift learn control for automatic transmissions
US7497799B2 (en) * 2006-01-27 2009-03-03 General Motors Corporation Torque transmitting mechanism engagement control system and method
US7693635B2 (en) * 2006-03-22 2010-04-06 Gm Global Technology Operations, Inc. Method for learning the flow rate of hydraulic fluid in an automatic transmission
JP4278665B2 (ja) * 2006-07-18 2009-06-17 ジヤトコ株式会社 自動変速機の変速制御装置及び方法
JP4453735B2 (ja) * 2007-10-01 2010-04-21 トヨタ自動車株式会社 自動変速機の制御装置
US9140337B2 (en) * 2007-10-23 2015-09-22 GM Global Technology Operations LLC Method for model based clutch control and torque estimation
US8364361B2 (en) * 2008-02-14 2013-01-29 GM Global Technology Operations LLC Transmission clutch control apparatus and method
US8239106B2 (en) * 2009-03-27 2012-08-07 GM Global Technology Operations LLC Adaptive shift learn control for automatic transmissions
US8255130B2 (en) * 2009-04-09 2012-08-28 Ford Global Technologies, Llc Closed-loop torque phase control for shifting automatic transmission gear ratios based on friction element load sensing
US8342998B2 (en) 2009-04-09 2013-01-01 Ford Global Technologies, Llc Friction element load sensing in an automatic transmission
US8308608B2 (en) 2010-01-22 2012-11-13 GM Global Technology Operations LLC Hydraulic clutch fill control systems for a transmission of a vehicle
DE112012001780B4 (de) * 2011-04-19 2021-10-07 Mazda Motor Corp. Automatikgetriebe-Steuerverfahren und -Steuervorrichtung und Automatikgetriebesystem
US20130253789A1 (en) * 2012-03-21 2013-09-26 Anthony K. Johnson Method For Hydraulically Filling A Clutch Without Using A Calibration Routine
JP6477825B1 (ja) * 2017-10-19 2019-03-06 マツダ株式会社 自動変速機の変速制御装置
CN114427580B (zh) * 2020-10-29 2024-02-23 广州汽车集团股份有限公司 一种同步器充油自适应控制方法及装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688607A (en) 1971-05-26 1972-09-05 Gen Motors Corp Transmission and control
DE2812742A1 (de) * 1978-03-23 1979-09-27 Zahnradfabrik Friedrichshafen Vorrichtung zum selbsttaetigen schalten von stufenwechselgetrieben, insbesondere in fahrzeugen
US4342545A (en) 1978-07-24 1982-08-03 General Motors Corporation Variable displacement pump
JPS5547041A (en) * 1978-09-30 1980-04-02 Aisin Warner Ltd Controller for automatic speed change gear
GB2033981B (en) * 1978-09-29 1982-11-17 Borg Warner Transmission control system for multi-ratio gear arrangement
FR2461127A1 (fr) * 1979-03-30 1981-01-30 Creusot Loire Pompe alternative
US4283970A (en) 1979-07-02 1981-08-18 General Motors Corporation Automatic transmission line pressure control
JPS5917297B2 (ja) * 1979-08-04 1984-04-20 日産自動車株式会社 自動変速機の直結クラツチ制御装置
JPS5655749A (en) * 1979-10-15 1981-05-16 Nissan Motor Co Ltd Speed changing shock reducing device for automatic change gear
JPS56143848A (en) * 1980-04-10 1981-11-09 Nissan Motor Co Ltd Oil pressure control device for transmission
EP0045962B1 (en) * 1980-08-11 1987-12-02 Nissan Motor Co., Ltd. Control system for automatic transmission for automotive vehicle
JPS5747056A (en) * 1980-09-04 1982-03-17 Nissan Motor Co Ltd Oil pressure control device for automatic transmission
JPS57144338A (en) * 1981-02-26 1982-09-06 Nissan Motor Co Ltd Shifter for automatic gear change
JPS6032063B2 (ja) * 1981-07-21 1985-07-25 トヨタ自動車株式会社 車輛用自動変速機の制御方法
DE3238322A1 (de) * 1981-10-17 1983-05-19 Honda Giken Kogyo K.K., Tokyo Fluessigkeitsgetriebe
JPS5877960A (ja) * 1981-10-30 1983-05-11 Mitsubishi Motors Corp 自動変速機の油圧制御装置
JPS58124854A (ja) * 1982-01-14 1983-07-25 Mitsubishi Electric Corp 自動車用自動変速機の変速制御装置
JPS58149449A (ja) * 1982-03-02 1983-09-05 Toyota Motor Corp 車両用自動変速機の変速制御方法
JPS58207557A (ja) * 1982-05-29 1983-12-03 Aisin Warner Ltd 電子制御式自動変速機の制御装置
JPS59151652A (ja) * 1983-02-15 1984-08-30 Nissan Motor Co Ltd 自動変速機の油圧制御装置
EP0128471B1 (en) * 1983-06-01 1988-04-20 Mazda Motor Corporation Control means for vehicle automatic transmissions

Also Published As

Publication number Publication date
US4707789A (en) 1987-11-17
JPH0517976B2 (enExample) 1993-03-10
EP0231593A1 (en) 1987-08-12
JPS62137458A (ja) 1987-06-20
CA1254974A (en) 1989-05-30
EP0231593B1 (en) 1989-06-14

Similar Documents

Publication Publication Date Title
DE3663910D1 (en) Adaptive direct pressure shift control for a motor vehicle transmission
DE3663909D1 (en) Adaptive direct pressure shift control for a motor vehicle transmission
DE3568619D1 (en) Double clutch for a motor vehicle transmission
DE3663079D1 (en) Transmission for a motor vehicle
EP0231994A3 (en) Clutch-to-clutch coast downshift control for a motor vehicle transmission
GB2229786B (en) A drive transmission for a vehicle
DE3665352D1 (en) Double clutch for a motor vehicle transmission
GB2210126B (en) Clutch equipment for a motor vehicle
EP0304085A3 (en) Hydraulic control device for belt-and-fulley type continuously variable transmission for a vehicle
DE3166022D1 (en) Motor vehicle having a transmission system
DE3562345D1 (en) System for controlling an elektromagnetic clutch for a vehicle
GB2220998B (en) Automatic transmission for a motor vehicle
EP0301896A3 (en) Hydraulic control device for a continuously variable transmission for motor vehicles
GB2122959B (en) Transmission for a motor vehicle
EP0301918A3 (en) Control device for a continuously variable transmission for motor vehicles
EP0305156A3 (en) Speed control system for a motor vehicle having a continuously variable transmission
DE3563648D1 (en) Hydrokinetic-mechanical multispeed automotive transmission controllable by a hydraulic valve system
GB8917528D0 (en) Automatic transmission for a motor vehicle
DE3263610D1 (en) A continuously variable transmission for motor vehicles
EP0728612A3 (de) Regeleinrichtung für ein stufenlos einstellbares Getriebe für Kraftfahrzeuge
GB2158167B (en) An automatic transmission for a vehicle
AU614910B2 (en) Interlock assembly for a vehicle transmission
EP0273874A3 (en) Control device for a motor vehicle gearbox
DE3760596D1 (en) A control system for a continuously variable transmission for a motor vehicle
EP0375420A3 (en) Gear transmission for vehicle

Legal Events

Date Code Title Description
8364 No opposition during term of opposition