DE69009345D1 - Steuereinrichtung für eine hydraulisch betätigte Kupplung in einem Fahrzeuggetriebe mit zwei Ventilen zum Ein- und Ausrücken. - Google Patents

Steuereinrichtung für eine hydraulisch betätigte Kupplung in einem Fahrzeuggetriebe mit zwei Ventilen zum Ein- und Ausrücken.

Info

Publication number
DE69009345D1
DE69009345D1 DE69009345T DE69009345T DE69009345D1 DE 69009345 D1 DE69009345 D1 DE 69009345D1 DE 69009345 T DE69009345 T DE 69009345T DE 69009345 T DE69009345 T DE 69009345T DE 69009345 D1 DE69009345 D1 DE 69009345D1
Authority
DE
Germany
Prior art keywords
disengaging
valves
engaging
control device
vehicle transmission
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 - Fee Related
Application number
DE69009345T
Other languages
English (en)
Other versions
DE69009345T2 (de
Inventor
Nobuyuki Kato
Ryoji Habuchi
Kunio Morisawa
Hiroshi Itoh
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Application granted granted Critical
Publication of DE69009345D1 publication Critical patent/DE69009345D1/de
Publication of DE69009345T2 publication Critical patent/DE69009345T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16H61/66—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 continuously variable gearings
    • F16H61/662—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 continuously variable gearings with endless flexible members
    • F16H61/66254—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 continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • F16H61/66259—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 continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling using electrical or electronical sensing or 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • F16H61/14—Control of torque converter lock-up clutches
    • F16H61/143—Control of torque converter lock-up clutches 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
    • F16D2048/0266—Actively controlled valves between pressure source and actuation cylinder
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/102—Actuator
    • F16D2500/1026—Hydraulic
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/104—Clutch
    • F16D2500/10406—Clutch position
    • F16D2500/10412—Transmission line of a vehicle
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/108—Gear
    • F16D2500/1088—CVT
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3021—Angle
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3041—Signal inputs from the clutch from the input shaft
    • F16D2500/30415—Speed of the input shaft
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3042—Signal inputs from the clutch from the output shaft
    • F16D2500/30426—Speed of the output shaft
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/306—Signal inputs from the engine
    • F16D2500/3067—Speed of the engine
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/31—Signal inputs from the vehicle
    • F16D2500/3108—Vehicle speed
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/314—Signal inputs from the user
    • F16D2500/3146—Signal inputs from the user input from levers
    • F16D2500/31466—Gear lever
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/508—Relating driving conditions
    • F16D2500/50858—Selecting a Mode of operation
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/51—Relating safety
    • F16D2500/5108—Failure diagnosis
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • F16D2500/70205—Clutch actuator
    • F16D2500/70217—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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • F16D2500/70252—Clutch torque
    • F16D2500/70258—Throttle
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7041—Position
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7041—Position
    • F16D2500/70414—Quick displacement to clutch touch point
    • 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
    • F16H61/66—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 continuously variable gearings
    • F16H2061/6604—Special control features generally applicable to continuously variable gearings
    • F16H2061/6608—Control of clutches, or brakes for forward-reverse shift
    • 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
    • F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid 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
    • 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
DE69009345T 1989-08-09 1990-07-31 Steuereinrichtung für eine hydraulisch betätigte Kupplung in einem Fahrzeuggetriebe mit zwei Ventilen zum Ein- und Ausrücken. Expired - Fee Related DE69009345T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1206085A JP2689630B2 (ja) 1989-08-09 1989-08-09 車両用油圧クラッチの油圧制御装置

Publications (2)

Publication Number Publication Date
DE69009345D1 true DE69009345D1 (de) 1994-07-07
DE69009345T2 DE69009345T2 (de) 1994-09-29

Family

ID=16517572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69009345T Expired - Fee Related DE69009345T2 (de) 1989-08-09 1990-07-31 Steuereinrichtung für eine hydraulisch betätigte Kupplung in einem Fahrzeuggetriebe mit zwei Ventilen zum Ein- und Ausrücken.

Country Status (4)

Country Link
US (1) US5067603A (de)
EP (1) EP0412711B1 (de)
JP (1) JP2689630B2 (de)
DE (1) DE69009345T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5527233A (en) * 1993-04-26 1996-06-18 Toyota Jidosha Kabushiki Kaisha Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automatic transmission
JPH0742826A (ja) * 1993-07-28 1995-02-10 Toyota Motor Corp 車両用自動変速機の油圧制御装置
EP0851153B1 (de) * 1994-07-07 2000-10-18 Hyundai Motor Company Verfahren zum Steuern des Hydraulikdrucks in automatischen Getrieben
JP3642101B2 (ja) * 1996-04-16 2005-04-27 トヨタ自動車株式会社 複合クラッチ式自動変速機の油圧制御装置
JPH09280367A (ja) * 1996-04-16 1997-10-28 Toyota Motor Corp 複合クラッチ式自動変速機の油圧制御装置
DE19928292A1 (de) * 1998-12-22 2000-06-29 Bosch Gmbh Robert System zur Einstellung der Spannung des Umschlingungsteils eines Umschlingungsgetriebes
EP1141589B1 (de) * 1998-12-22 2004-08-11 Robert Bosch Gmbh System zur einstellung der spannung des umschlingungsteils eines umschlingungsgetriebes
JP4454063B2 (ja) * 1999-05-21 2010-04-21 富士重工業株式会社 無段変速機のクラッチ制御装置
IL141094A0 (en) 2001-01-25 2002-02-10 Ran Siman Tov Continuous variable transmission
JP3905445B2 (ja) * 2002-09-12 2007-04-18 ジヤトコ株式会社 Ｖベルト式無段変速機における油圧制御装置
JP4212445B2 (ja) * 2003-09-30 2009-01-21 ジヤトコ株式会社 Ｖベルト式無段変速機の制御装置
US7247125B2 (en) * 2004-04-30 2007-07-24 General Motors Corporation Torque converter controller stuck-on test in a multiplex device
DE102005041419B4 (de) * 2004-09-11 2015-07-16 Schaeffler Technologies AG & Co. KG Hydraulisches System, insbesondere für Kraftfahrzeuge
EP1635071A2 (de) 2004-09-11 2006-03-15 LuK Lamellen und Kupplungsbau Beteiligungs KG Hydraulisches System, insbesondere für Kraftfahrzeuge
US7832297B2 (en) 2005-04-19 2010-11-16 Hewatt Chris B Method and apparatus for gyroscopic propulsion
US8371988B2 (en) * 2009-07-28 2013-02-12 Allison Transmission, Inc. Electronically controlled range valve for multi-speed planetary transmission
DE112010005516B4 (de) * 2010-04-26 2020-06-04 Toyota Jidosha Kabushiki Kaisha Hydraulikdrucksteuerungsgerät für ein kontinuierlich variables Getriebe
KR20150048169A (ko) * 2012-09-26 2015-05-06 쟈트코 가부시키가이샤 자동 변속기 및 자동 변속기의 제어 방법
JP5997193B2 (ja) * 2014-02-14 2016-09-28 富士重工業株式会社 無段変速機の異常検知装置、及び、無段変速機の異常検知方法
KR101922323B1 (ko) * 2014-07-09 2018-11-26 쟈트코 가부시키가이샤 무단 변속기의 제어 장치
US10190645B2 (en) 2015-11-23 2019-01-29 Caterpillar Inc. Hydraulic circuit for clutch actuation
DE102016205876A1 (de) * 2016-04-08 2017-10-12 Schaeffler Technologies AG & Co. KG Verfahren zum Begrenzen eines Drucks in einer hydrostatischen Betätigungseinrichtung
JP6772951B2 (ja) * 2017-05-09 2020-10-21 トヨタ自動車株式会社 車両用動力伝達装置の制御装置
JP2023050298A (ja) * 2021-09-30 2023-04-11 本田技研工業株式会社 クラッチ制御装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722456A (en) * 1980-07-17 1982-02-05 Toyota Motor Corp Oil pressure controlling apparatus of automatic transmission for car
US4589537A (en) * 1982-11-12 1986-05-20 Honda Giken Kogyo Kabushiki Kaisha Lock-up control device for torque converter in automatic transmission for vehicle
JPS6084465A (ja) * 1983-10-17 1985-05-13 Honda Motor Co Ltd 車両用自動変速機における流体伝動装置の直結制御装置
JPH0641786B2 (ja) * 1985-07-31 1994-06-01 アイシン・エィ・ダブリュ株式会社 多段自動変速機におけるロツクアツプクラツチ制御装置
JPS62151656A (ja) * 1985-12-24 1987-07-06 Toyota Motor Corp 車両用自動変速機のフエイルセ−フ装置
US4744269A (en) * 1986-11-06 1988-05-17 Ford Motor Company Automatic transmission with lockup converter clutch controls
JPH0621648B2 (ja) * 1987-10-30 1994-03-23 日産自動車株式会社 自動変速機のロックアップ制御装置
JP2650292B2 (ja) * 1988-01-19 1997-09-03 トヨタ自動車株式会社 車両用動力伝達装置の油圧制御装置
EP0329307B1 (de) * 1988-02-17 1994-06-22 Toyota Jidosha Kabushiki Kaisha Hydraulische Druckbetätigungseinrichtung für automatische Fahrzeuggetriebe einschliesslich Steuersystem für die Rückwärtsgangstufe und die Überbrückungskupplung

Also Published As

Publication number Publication date
JPH0369858A (ja) 1991-03-26
DE69009345T2 (de) 1994-09-29
EP0412711A1 (de) 1991-02-13
US5067603A (en) 1991-11-26
EP0412711B1 (de) 1994-06-01
JP2689630B2 (ja) 1997-12-10

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