GB0907703D0 - Method and apparatus for controlling gear engagement - Google Patents

Method and apparatus for controlling gear engagement

Info

Publication number
GB0907703D0
GB0907703D0 GBGB0907703.3A GB0907703A GB0907703D0 GB 0907703 D0 GB0907703 D0 GB 0907703D0 GB 0907703 A GB0907703 A GB 0907703A GB 0907703 D0 GB0907703 D0 GB 0907703D0
Authority
GB
United Kingdom
Prior art keywords
gear engagement
controlling gear
controlling
engagement
gear
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.)
Withdrawn
Application number
GBGB0907703.3A
Other versions
GB2470016A (en
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to GB0907703A priority Critical patent/GB2470016A/en
Publication of GB0907703D0 publication Critical patent/GB0907703D0/en
Priority to PCT/EP2010/001769 priority patent/WO2010127742A1/en
Publication of GB2470016A publication Critical patent/GB2470016A/en
Withdrawn legal-status Critical Current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
    • F16H61/26—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 
    • 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
    • F16H61/26—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
    • F16H61/68—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
    • F16H61/688—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 two inputs, e.g. selection of one of two torque-flow paths by 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
    • 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
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
GB0907703A 2009-05-05 2009-05-05 Method of reducing torque shock during a gear shift Withdrawn GB2470016A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0907703A GB2470016A (en) 2009-05-05 2009-05-05 Method of reducing torque shock during a gear shift
PCT/EP2010/001769 WO2010127742A1 (en) 2009-05-05 2010-03-20 Method and apparatus for controlling gear engagement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0907703A GB2470016A (en) 2009-05-05 2009-05-05 Method of reducing torque shock during a gear shift

Publications (2)

Publication Number Publication Date
GB0907703D0 true GB0907703D0 (en) 2009-06-10
GB2470016A GB2470016A (en) 2010-11-10

Family

ID=40792256

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0907703A Withdrawn GB2470016A (en) 2009-05-05 2009-05-05 Method of reducing torque shock during a gear shift

Country Status (2)

Country Link
GB (1) GB2470016A (en)
WO (1) WO2010127742A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8485930B2 (en) * 2010-12-08 2013-07-16 GM Global Technology Operations LLC Variable ratio power-split hybrid transmission
GB2503282A (en) * 2012-06-22 2013-12-25 Drive System Design Ltd Floating gear for transmission having friction and dog clutches on opposing sides
KR101694029B1 (en) * 2015-07-09 2017-01-09 현대자동차주식회사 Dct shifting control method for vehicle
CN107524794A (en) * 2017-10-16 2017-12-29 安徽江淮汽车集团股份有限公司 A kind of wet dual-clutch automatic transmission gear method for handover control
CN108223784B (en) * 2018-03-21 2019-10-11 吉林大学 A shift fork control method in the gear removal process of a DCT transmission
DE102023003074A1 (en) * 2023-07-26 2025-01-30 Mercedes-Benz Group AG Method for operating an actuating device for actuating a shift element of a transmission for a drive train of a motor vehicle and actuating device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2888298B2 (en) * 1988-12-09 1999-05-10 日産自動車株式会社 Selective shock prevention device for automatic transmission
JPH05126238A (en) * 1991-11-01 1993-05-21 Jatco Corp Select shock reducing device for automatic transmission
JPH1122816A (en) * 1997-06-30 1999-01-26 Aisin Seiki Co Ltd Transmission control device for synchromesh transmission
JP4447070B2 (en) * 1999-05-25 2010-04-07 アイシン・エーアイ株式会社 Shift control device for transmission
US6935204B2 (en) * 2003-10-31 2005-08-30 Caterpillar Inc Automated manual transmission and shift method
EP1548333B1 (en) * 2003-11-28 2006-09-06 Schaeffler KG Fluid actuated shift device of a transmission
EP1635092B1 (en) * 2004-09-08 2011-07-20 Getrag Ford Transmissions GmbH Hydraulic control device for a shifting fork in a transmission
FR2891337B1 (en) * 2005-09-26 2008-12-19 Peugeot Citroen Automobiles Sa GEARBOX COMPRISING AN ACTUATOR PROVIDED WITH AN EFFORT SENSOR
EP2019230A1 (en) * 2007-07-25 2009-01-28 MAGNETI MARELLI POWERTRAIN S.p.A. Servo-assisted mechanical gearbox with hydraulic actuation of the synchronizers

Also Published As

Publication number Publication date
WO2010127742A1 (en) 2010-11-11
GB2470016A (en) 2010-11-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)