FR2703007B1 - Hydraulic control assembly, in particular for a friction clutch of a motor vehicle. - Google Patents

Hydraulic control assembly, in particular for a friction clutch of a motor vehicle.

Info

Publication number
FR2703007B1
FR2703007B1 FR9403410A FR9403410A FR2703007B1 FR 2703007 B1 FR2703007 B1 FR 2703007B1 FR 9403410 A FR9403410 A FR 9403410A FR 9403410 A FR9403410 A FR 9403410A FR 2703007 B1 FR2703007 B1 FR 2703007B1
Authority
FR
France
Prior art keywords
motor vehicle
hydraulic control
control assembly
friction clutch
clutch
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
FR9403410A
Other languages
French (fr)
Other versions
FR2703007A1 (en
Inventor
Frey Peter
Nagler Frenz
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.)
ZF Sachs AG
Original Assignee
Fichtel and Sachs AG
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 Fichtel and Sachs AG filed Critical Fichtel and Sachs AG
Publication of FR2703007A1 publication Critical patent/FR2703007A1/en
Application granted granted Critical
Publication of FR2703007B1 publication Critical patent/FR2703007B1/en
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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/46—Signals to a clutch outside the gearbox
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • 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
    • F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
    • F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
    • 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
    • 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
    • F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
    • F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • 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
    • F16D2048/0203—Control by fluid pressure with an accumulator; Details thereof
    • 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
    • F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
    • F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
    • F16D2048/0245—Electrically driven rotary pumps
    • 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
    • F16D2048/0278—Two valves in series arrangement for controlling supply to 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
    • 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
    • F16D2048/0281—Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups
    • 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
    • F16D2500/3026—Stroke
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H2061/2823—Controlling actuator force way characteristic, i.e. controlling force or movement depending on the actuator position, e.g. for adapting force to synchronisation and engagement of gear clutch
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • F16H2061/305—Accumulators for fluid supply to the servo motors, or control thereof
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
    • 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
    • F16H61/0021—Generation or control of line 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/2807—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
FR9403410A 1993-03-26 1994-03-23 Hydraulic control assembly, in particular for a friction clutch of a motor vehicle. Expired - Fee Related FR2703007B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4309901A DE4309901B4 (en) 1992-11-10 1993-03-26 Hydraulic actuator - especially for a motor vehicle friction clutch

Publications (2)

Publication Number Publication Date
FR2703007A1 FR2703007A1 (en) 1994-09-30
FR2703007B1 true FR2703007B1 (en) 1995-07-13

Family

ID=6483956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9403410A Expired - Fee Related FR2703007B1 (en) 1993-03-26 1994-03-23 Hydraulic control assembly, in particular for a friction clutch of a motor vehicle.

Country Status (3)

Country Link
BR (1) BR9401211A (en)
DE (1) DE4309901B4 (en)
FR (1) FR2703007B1 (en)

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DE4401021C2 (en) * 1993-01-21 1997-01-16 Lee Eun Sung Building board
CN1094098C (en) * 1995-07-12 2002-11-13 卢克驱动系统有限公司 Clutch and gear actuation device
DE19633420A1 (en) * 1995-09-15 1997-03-20 Ebern Fahrzeugtech Gmbh Clutch control system particularly for motor vehicle
US5850898A (en) * 1995-09-15 1998-12-22 Fahrzeugtechnik Ebern Gmbh Method and device for the hydraulic actuation of a clutch, especially for automobiles
DE19545657A1 (en) * 1995-12-07 1997-06-12 Rexroth Mannesmann Gmbh Hydraulic valve arrangement with a pressure-controlled directional valve
DE19546707A1 (en) * 1995-12-14 1997-06-19 Bayerische Motoren Werke Ag Drive device for a motor vehicle
DE19734038A1 (en) * 1996-08-16 1998-02-19 Luk Getriebe Systeme Gmbh Motor vehicle drive method
DE19815666B4 (en) * 1997-05-15 2011-03-17 Zf Sachs Ag Method for operating an actuator for the automated actuation of a friction clutch and an automated manual transmission
BR9801614A (en) * 1997-05-15 1999-04-13 Mannesmann Sachs Ag Regulating mechanism with valves for activating a friction clutch and an automated gearbox
DE19736931C2 (en) * 1997-08-25 2003-05-08 Zf Sachs Ag drive arrangement
DE19861138C2 (en) 1998-01-29 2002-10-31 Zf Sachs Ag Actuating device for the automated actuation of a manual transmission having a selector shaft
DE19849488C2 (en) * 1998-10-27 2000-11-30 Mannesmann Sachs Ag Hydraulic actuating device for actuating a friction clutch and an automated gearbox
DE19931973A1 (en) † 1999-07-09 2001-01-11 Wabco Gmbh & Co Ohg Device for controlling an actuator for a transmission
GB0025000D0 (en) * 2000-10-12 2000-11-29 Luk Lamellen & Kupplungsbau Hydraulic actuation systems
FR2841617B1 (en) * 2002-06-27 2004-12-24 Renault Sa CLUTCH CONTROL SYSTEM
DE10249341A1 (en) * 2002-10-23 2004-05-06 Zf Friedrichshafen Ag Hydraulic or pneumatic pressure regulation system forming part of the transmission system in truck or bus has pulse-width operated electro-magnetic valve
DE10360611A1 (en) * 2003-12-19 2005-07-21 Fte Automotive Gmbh & Co. Kg Hydraulic function block
DE102004056407A1 (en) 2004-11-23 2006-05-24 Zf Friedrichshafen Ag Switching unit for an automatic transmission
DE102004056609A1 (en) * 2004-11-24 2006-06-01 Zf Friedrichshafen Ag Shift assistance device for a manual shiftable manual transmission
FR2881499B1 (en) * 2005-02-01 2008-10-10 Renault Sas COMPARTMENTED GEARBOX
DE102005007463A1 (en) * 2005-02-18 2006-08-31 Daimlerchrysler Ag Control device for a frictional connection in a motor vehicle automatic transmission
DE102005021416A1 (en) 2005-05-10 2006-11-16 Zf Friedrichshafen Ag Drive train of a motor vehicle and method for controlling an automated engine clutch
DE102006009609A1 (en) * 2006-03-02 2007-09-06 Zf Friedrichshafen Ag Pressure control device for an actuating means
US7654377B2 (en) 2006-07-14 2010-02-02 Ford Global Technologies, Llc Hydraulic actuator for a vehicular power train
US7717132B2 (en) 2006-07-17 2010-05-18 Ford Global Technologies, Llc Hydraulic valve actuated by piezoelectric effect
DE102007018405B4 (en) * 2007-04-17 2022-09-15 Alpha Fluid Hydrauliksysteme Müller GmbH Electrohydraulic control
DE102007043016A1 (en) * 2007-09-11 2009-03-12 Volkswagen Ag Drive arrangement with an internal combustion engine and an electric machine
DE102007045056A1 (en) 2007-09-20 2009-04-02 Volkswagen Ag Control of a clutch
EP2381137A1 (en) * 2010-04-21 2011-10-26 C.R.F. Società Consortile per Azioni Electro-hydraulic group for an automotive servo-assisted mechanical transmission
DE102010028998A1 (en) * 2010-05-17 2011-11-17 Bayerische Motoren Werke Aktiengesellschaft Clutch actuator device for motorcycle, has manually operated clutch transmitter to operate clutch, where hydraulic device is controlled by electronic control unit and manually operates clutch independent of clutch transmitter
DE102011007105A1 (en) 2011-04-11 2012-10-11 Zf Friedrichshafen Ag Method for controlling an automated manual transmission
DE102011007107B4 (en) 2011-04-11 2023-11-02 Zf Friedrichshafen Ag Method for controlling an automated manual transmission
DE102011105648A1 (en) 2011-06-07 2012-12-13 Fte Automotive Gmbh Hydraulic actuator for the actuation of clutches in particular a multi-clutch transmission for motor vehicles
DE102011107263A1 (en) 2011-07-06 2013-01-10 Fte Automotive Gmbh Hydraulic actuating device for the actuation of one or more actuators in particular a motor vehicle transmission
US9803702B2 (en) 2012-07-03 2017-10-31 Fte Automotive Gmbh Hydraulic actuating device for actuation of at least one friction clutch and at least one gear setting element in a motor vehicle
DE102014001073A1 (en) * 2014-01-30 2015-07-30 Fte Automotive Gmbh Device for the hydraulic actuation of a motor vehicle friction clutch
DE102015217270A1 (en) 2015-09-10 2017-03-16 Schaeffler Technologies AG & Co. KG Pump actuator for a hydraulic clutch actuation assembly
FR3054816B1 (en) * 2016-08-05 2021-08-06 Jtekt Hpi HYDRAULIC ACTUATION SYSTEM OF A CLUTCH DEVICE, ESPECIALLY FOR MOTOR VEHICLES
CN107605991A (en) * 2017-10-25 2018-01-19 南京越博动力系统股份有限公司 A kind of automatic clutch fluid pressure type controlling organization in hybrid vehicle
CN110658860B (en) * 2019-09-09 2021-01-22 北京航空航天大学 Servo motor pressure and clearance control device under position mode
CN111173792A (en) * 2020-03-02 2020-05-19 郭向阳 Gear shifting system

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DE3613800C2 (en) * 1986-04-24 1994-12-22 Wabco Vermoegensverwaltung Emergency actuation device for an externally powered vehicle transmission
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US5105922A (en) * 1991-04-01 1992-04-21 Dana Corporation Hydraulic clutch and transmission actuating system
DE4117736C1 (en) * 1991-05-30 1992-05-21 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De

Also Published As

Publication number Publication date
BR9401211A (en) 1994-11-08
DE4309901B4 (en) 2010-07-01
FR2703007A1 (en) 1994-09-30
DE4309901A1 (en) 1994-09-29

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Legal Events

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Effective date: 20101130