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
WO2010070718A1 (ja) * 2008-12-15 2010-06-24 トヨタ自動車株式会社 無段変速機
KR20120094060A (ko) * 2009-12-16 2012-08-23 알리손 트랜스미션, 인크. 변속장치 오류감지시스템
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
KR20120117805A (ko) 2009-12-16 2012-10-24 알리손 트랜스미션, 인크. 자동 변속기를 위한 빠른 밸브 작동 시스템
US8676515B2 (en) * 2009-12-16 2014-03-18 Allison Transmission, Inc. System and method for detecting clutch-related faults in an automatic transmission
CA2784375C (en) 2009-12-16 2017-10-31 Allison Transmission, Inc. Variator lockout valve system
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
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
EP2606258B1 (de) 2010-08-16 2020-08-05 Allison Transmission, Inc. Schaltschema für ein stufenloses getriebe
KR20140045302A (ko) 2010-12-15 2014-04-16 알리손 트랜스미션, 인크. 차량 변속기용 듀얼 펌프 조절기 시스템
CA2821956C (en) * 2010-12-15 2018-09-11 Allison Transmission, Inc. Variator multiplex valve scheme for a toroidal traction drive transmission
KR20130141635A (ko) 2010-12-15 2013-12-26 알리손 트랜스미션, 인크. 토로이달 트랙션 드라이브 변속기용 배리에이터 스위칭 밸브 구조물
BR112014029269A2 (pt) * 2012-05-23 2017-06-27 Dti Group Bv sistema hidráulico em particular para o acionamento de sistema de transmissão
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
JP2018525585A (ja) * 2015-08-11 2018-09-06 ダナ リミテッド ボールバリエータ無段変速機を持つ車両用の油圧速度比の制御方法

Family Cites Families (11)

* 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
US4297918A (en) * 1978-06-23 1981-11-03 National Research Development Corporation Control systems for steplessly-variable ratio transmissions
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
US20040171456A1 (en) 2004-09-02
US7318786B2 (en) 2008-01-15
DE60206609T2 (de) 2006-07-20
JP2004526916A (ja) 2004-09-02
CN1526057A (zh) 2004-09-01
CN100504118C (zh) 2009-06-24
EP1373764A1 (de) 2004-01-02
EP1373764B1 (de) 2005-10-12
WO2002079675A1 (en) 2002-10-10
ES2249558T3 (es) 2006-04-01
DE60206609D1 (de) 2005-11-17

Similar Documents

Publication Publication Date Title
ATE306628T1 (de) Hydraulisches steuersystem für ein stufenlos verstellbares getriebe
US6626793B1 (en) Hydraulic control circuit for a continuously-variable-transmission
JP3989565B2 (ja) 駆動ユニット
ATE519971T1 (de) Hydraulisches steuersystem und -verfahren für ein stufenloses getriebe
ATE528558T1 (de) Elektronische steuerung für ein cvt-getriebe, ein cvt-getriebe und verfahren zur steuerung eines cvt-getriebes
WO2008038043A3 (en) Continuously variable transmission
GB934798A (en) Improvements in and relating to control devices for infinitely variable gears
ATE298852T1 (de) Stufenloses getriebe und dessen steuerverfahren
US4576055A (en) Hydraulically controlled infinitely variable traction roller transmission
ATE517280T1 (de) Hydraulisches steuersystem für ein stufenloses getriebe
ATE523718T1 (de) Stufenloses getriebe mit hydrauliksteuerungssystem
CN1833125B (zh) 液压变速器控制设备
EP1557580A3 (de) Ventilsystem bzw. Verfahren zur Steuerung einer Kupplung oder eines Gangstellers eines Kraftfahrzeuges
RU2009134985A (ru) Бесступенчатая трансмиссия
CN102844594B (zh) 无级变速器牵引控制装置
US20230141770A1 (en) A method for controlling a continuously variable transmission and a transmission equipped with a control system for implementing said method
EP1092887B1 (de) Steuerung einer Startkupplung für ein stufenloses Getriebe
EP1092895A2 (de) Stufenlos regelbares Toroidgetriebe
RU2008152318A (ru) Устройство управления бесступенчатой трансмиссией
US8485212B2 (en) Volume flow regulating valve for a hydraulic system for controlling a belt-driven conical-pulley transmission
KR100496789B1 (ko) 저압력획득밸브및이것을갖춘변속기조립체
JP4729955B2 (ja) トロイダル型無段変速機及び無段変速装置
JP2009523987A5 (de)
JP2011038646A (ja) トロイダル型無段変速機及び無段変速装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties