DE69729514D1 - Hydraulische Steuerung für ein mehrstufiges Getriebe - Google Patents

Hydraulische Steuerung für ein mehrstufiges Getriebe

Info

Publication number
DE69729514D1
DE69729514D1 DE69729514T DE69729514T DE69729514D1 DE 69729514 D1 DE69729514 D1 DE 69729514D1 DE 69729514 T DE69729514 T DE 69729514T DE 69729514 T DE69729514 T DE 69729514T DE 69729514 D1 DE69729514 D1 DE 69729514D1
Authority
DE
Germany
Prior art keywords
hydraulic control
stage transmission
stage
transmission
hydraulic
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
DE69729514T
Other languages
English (en)
Other versions
DE69729514T2 (de
Inventor
Charles Francis Long
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
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of DE69729514D1 publication Critical patent/DE69729514D1/de
Publication of DE69729514T2 publication Critical patent/DE69729514T2/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
    • F16H61/02—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
    • 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
    • F16H2061/0015—Transmission control for optimising fuel consumptions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
DE69729514T 1996-08-19 1997-07-24 Hydraulische Steuerung für ein mehrstufiges Getriebe Expired - Fee Related DE69729514T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/700,751 US5738608A (en) 1996-08-19 1996-08-19 Hydraulic control for a multi-ratio transmission
US700751 1996-08-19

Publications (2)

Publication Number Publication Date
DE69729514D1 true DE69729514D1 (de) 2004-07-22
DE69729514T2 DE69729514T2 (de) 2005-06-23

Family

ID=24814729

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729514T Expired - Fee Related DE69729514T2 (de) 1996-08-19 1997-07-24 Hydraulische Steuerung für ein mehrstufiges Getriebe

Country Status (3)

Country Link
US (1) US5738608A (de)
EP (1) EP0825365B1 (de)
DE (1) DE69729514T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5911244A (en) * 1998-08-18 1999-06-15 General Motors Corporation Pressure control valve
JP3678122B2 (ja) * 2000-07-10 2005-08-03 日産自動車株式会社 変速比無限大無段変速機のトルク制御装置
DE102013200389A1 (de) * 2013-01-14 2014-07-17 Zf Friedrichshafen Ag Verfahren zum Einstellen eines Systemdrucks, sowie Kraftfahrzeuggetriebe
US9970557B2 (en) 2016-06-27 2018-05-15 Travis Victor Dean Loewen Multi-pilot variable pressure relay valve
DE112018003353T5 (de) 2017-06-30 2020-03-12 Allison Transmission, Inc. Steuerungssystem und Verfahren dafür für ein mehrgängiges Getriebe
US11181193B2 (en) 2019-11-27 2021-11-23 Allison Transmission, Inc. Power off hydraulic default strategy

Family Cites Families (13)

* 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
US4070927A (en) 1976-06-04 1978-01-31 General Motors Corporation Planetary gearing arrangement for a transmission
DE2945315A1 (de) * 1979-11-09 1981-05-21 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische regeleinrichtung fuer lastschaltgetriebe
US4432255A (en) * 1980-10-27 1984-02-21 General Motors Corporation Hydraulic control for a power transmission
JP3283323B2 (ja) * 1993-03-26 2002-05-20 マツダ株式会社 自動変速機の変速時油圧制御装置
US5399130A (en) * 1993-06-07 1995-03-21 General Motors Corporation Transmission control with electronic governor and trim boost
JP2767366B2 (ja) * 1993-08-30 1998-06-18 本田技研工業株式会社 車両用油圧作動式変速機の制御装置
KR100282899B1 (ko) * 1994-06-22 2001-10-22 정몽규 차량용자동변속기의유압제어장치
US5509868A (en) * 1994-09-13 1996-04-23 General Motors Corporation Governor interlock valve
US5496231A (en) * 1994-09-22 1996-03-05 General Motors Corporation Hydraulic control for a multi-speed power transmission
US5601506A (en) 1995-10-13 1997-02-11 General Motors Corporation Electro-hydraulic control system in a power transmission
US5643125A (en) 1995-10-13 1997-07-01 General Motors Corporation Electro-hydraulic control system in a power transmission
US5616093A (en) * 1995-10-13 1997-04-01 General Motors Corporation Electro-hydraulic control system in a power transmission

Also Published As

Publication number Publication date
DE69729514T2 (de) 2005-06-23
EP0825365A3 (de) 1999-02-10
US5738608A (en) 1998-04-14
EP0825365A2 (de) 1998-02-25
EP0825365B1 (de) 2004-06-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee