ATE306628T1 - Hydraulisches steuersystem für ein stufenlos verstellbares getriebe - Google Patents

Hydraulisches steuersystem für ein stufenlos verstellbares getriebe

Info

Publication number
ATE306628T1
ATE306628T1 AT02707013T AT02707013T ATE306628T1 AT E306628 T1 ATE306628 T1 AT E306628T1 AT 02707013 T AT02707013 T AT 02707013T AT 02707013 T AT02707013 T AT 02707013T AT E306628 T1 ATE306628 T1 AT E306628T1
Authority
AT
Austria
Prior art keywords
end load
reaction
assembly
discs
rollers
Prior art date
Application number
AT02707013T
Other languages
English (en)
Inventor
Christopher John Greenwood
John William Edward Fuller
Original Assignee
Torotrak Dev Ltd
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
Priority claimed from GB0107823A external-priority patent/GB0107823D0/en
Priority claimed from GB0125733A external-priority patent/GB0125733D0/en
Application filed by Torotrak Dev Ltd filed Critical Torotrak Dev Ltd
Application granted granted Critical
Publication of ATE306628T1 publication Critical patent/ATE306628T1/de

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
    • F16H61/664—Friction gearings
    • F16H61/6649—Friction gearings characterised by the means for controlling the torque transmitting capability of the gearing
    • 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
    • F16H59/72—Inputs being a function of gearing status dependent on oil characteristics, e.g. temperature, viscosity
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Control Of Transmission Device (AREA)
AT02707013T 2001-03-29 2002-04-02 Hydraulisches steuersystem für ein stufenlos verstellbares getriebe ATE306628T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0107823A GB0107823D0 (en) 2001-03-29 2001-03-29 Variator assembly
GB0125733A GB0125733D0 (en) 2001-03-29 2001-10-26 Hydraulic control circuit for a variator
PCT/GB2002/001551 WO2002079675A1 (en) 2001-03-29 2002-04-02 Hydraulic control circuit for a variator

Publications (1)

Publication Number Publication Date
ATE306628T1 true ATE306628T1 (de) 2005-10-15

Family

ID=26245908

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02707013T ATE306628T1 (de) 2001-03-29 2002-04-02 Hydraulisches steuersystem für ein stufenlos verstellbares getriebe

Country Status (8)

Country Link
US (1) US7318786B2 (de)
EP (1) EP1373764B1 (de)
JP (1) JP2004526916A (de)
CN (1) CN100504118C (de)
AT (1) ATE306628T1 (de)
DE (1) DE60206609T2 (de)
ES (1) ES2249558T3 (de)
WO (1) WO2002079675A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050148426A1 (en) * 2002-07-19 2005-07-07 Steffen Henzler Variable speed transmission having a continuously variable toroidal drive
DE10233091A1 (de) * 2002-07-19 2004-01-29 Daimlerchrysler Ag Wechselgetriebe mit einem stufenlosen Toroidgetriebe
US7303503B2 (en) * 2002-08-02 2007-12-04 Nsk Ltd. Toroidal-type continuously variable transmission
DE10260193A1 (de) * 2002-12-20 2004-07-08 Bayerische Motoren Werke Ag Getriebesteuerung für Toroidgetriebe
DE102004002057A1 (de) * 2003-01-17 2004-07-29 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren und Vorrichtung zur Vorgabe der Anpresskraft zwischen zwei reibschlüssig Drehmoment übertragenden Bauteilen eines Antriebssystems
DE102004007103B4 (de) * 2003-02-20 2019-06-13 Schaeffler Technologies AG & Co. KG Verfahren und Vorrichtung zum Adaptieren eines Kupplungsmoments
JP4529442B2 (ja) * 2003-02-28 2010-08-25 日本精工株式会社 トロイダル型無段変速機
GB0316379D0 (en) * 2003-07-12 2003-08-13 Torotrak Dev Ltd A continuously variable ratio transmission unit
GB0316382D0 (en) * 2003-07-12 2003-08-13 Torotrak Dev Ltd Continuously variable ratio transmission assembly and method of control of same
GB0317499D0 (en) 2003-07-25 2003-08-27 Torotrak Dev Ltd Hydraulic variator control arrangement
GB0522361D0 (en) 2005-11-02 2005-12-07 Torotrak Dev Ltd Continuously variable ratio transmission drive
GB0524795D0 (en) 2005-12-05 2006-01-11 Torotrak Dev Ltd Variator
DE102007002171A1 (de) * 2007-01-15 2008-07-17 Zf Friedrichshafen Ag Verfahren zum Bestimmen einer Übertragungsfähigkeit einer als hydrodynamsiche Kupplungseinrichtung ausgeführten Anfahreinrichtung
GB0703353D0 (en) * 2007-02-21 2007-03-28 Torotrak Dev Ltd Continuously variable transmission
US20110105273A1 (en) * 2008-12-15 2011-05-05 Toyota Jidosha Kabushiki Kaisha Continuously variable transmission
US8676515B2 (en) * 2009-12-16 2014-03-18 Allison Transmission, Inc. System and method for detecting clutch-related faults in an automatic transmission
KR20120099777A (ko) 2009-12-16 2012-09-11 알리손 트랜스미션, 인크. 변속수단 잠금 밸브 시스템
CN102713368B (zh) 2009-12-16 2016-06-29 艾里逊变速箱公司 用于自动变速器的快速阀致动系统
CN102713351B (zh) * 2009-12-16 2016-06-29 艾里逊变速箱公司 用于控制变速机构端负载作用力的系统和方法
US8401752B2 (en) * 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
US8578802B2 (en) 2009-12-16 2013-11-12 Allison Transmission, Inc. System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission
CA2784764C (en) 2009-12-16 2019-03-12 Allison Transmission, Inc. Variator fault detection system
GB2478003B (en) 2010-02-23 2012-07-25 Torotrak Dev Ltd Variator traction control arrangement
GB2478120B (en) * 2010-02-24 2013-03-13 Torotrak Dev Ltd Fluid supply for continuously variable transmission
KR20130131314A (ko) 2010-08-16 2013-12-03 알리손 트랜스미션, 인크. 무한변속기용 기어 스킴
WO2012082843A1 (en) 2010-12-15 2012-06-21 Long Charles F Dual pump regulator system for a motor vehicle transmission
US8840522B2 (en) 2010-12-15 2014-09-23 Allison Transmission, Inc. Variator switching valve scheme for a torroidal traction drive transmision
KR20130141636A (ko) * 2010-12-15 2013-12-26 알리손 트랜스미션, 인크. 토로이달 트랙션 드라이브 변속기용 배리에이터 멀티플렉스 밸브 구조물
WO2013176546A2 (en) * 2012-05-23 2013-11-28 Dti Group B.V. Hydraulic system in particular for actuation of a transmission system
JP6627259B2 (ja) * 2015-05-19 2020-01-08 日本精工株式会社 トロイダル型無段変速機
CN108138929A (zh) * 2015-08-11 2018-06-08 德纳有限公司 用于具有球变速无级变速器的车辆的液压速度比控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142190A (en) * 1963-02-20 1964-07-28 Curtiss Wright Corp Ratio control system for toroidal transmission
GB1583958A (en) * 1976-08-14 1981-02-04 Lucas Industries Ltd Axial loading device
EP0006690B1 (de) * 1978-05-31 1982-01-06 BL CARS Limited Steuereinrichtung für ein stufenloses Übersetzungsgetriebe
GB2023753B (en) 1978-06-23 1982-12-22 Brie Perry F G De Control systems for steplessly-varibale ratio transmissions
GB2170284B (en) * 1985-01-30 1989-07-05 Nat Res Dev Improvements in or relating to automotive transmissions of the rolling traction type
US4911030A (en) * 1989-01-30 1990-03-27 Excelermatic Inc. Traction roller transmission ratio control arrangement
JP2636582B2 (ja) * 1991-08-01 1997-07-30 日産自動車株式会社 トロイダル無段変速機の制御装置
US6030310A (en) * 1996-04-19 2000-02-29 Torotrak (Development) Limited Variator control system
US6113513A (en) * 1997-02-26 2000-09-05 Nsk Ltd. Toroidal type continuously variable transmission
US6162144A (en) * 1999-06-01 2000-12-19 General Motors Corporation Traction coefficient control for a continuously variable transmission

Also Published As

Publication number Publication date
US7318786B2 (en) 2008-01-15
DE60206609T2 (de) 2006-07-20
ES2249558T3 (es) 2006-04-01
CN100504118C (zh) 2009-06-24
EP1373764A1 (de) 2004-01-02
EP1373764B1 (de) 2005-10-12
CN1526057A (zh) 2004-09-01
US20040171456A1 (en) 2004-09-02
WO2002079675A1 (en) 2002-10-10
DE60206609D1 (de) 2005-11-17
JP2004526916A (ja) 2004-09-02

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