DE60206609D1 - Hydraulisches steuersystem für ein stufenlos verstellbares getriebe - Google Patents

Hydraulisches steuersystem für ein stufenlos verstellbares getriebe

Info

Publication number
DE60206609D1
DE60206609D1 DE60206609T DE60206609T DE60206609D1 DE 60206609 D1 DE60206609 D1 DE 60206609D1 DE 60206609 T DE60206609 T DE 60206609T DE 60206609 T DE60206609 T DE 60206609T DE 60206609 D1 DE60206609 D1 DE 60206609D1
Authority
DE
Germany
Prior art keywords
end load
reaction
assembly
discs
rollers
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 - Lifetime
Application number
DE60206609T
Other languages
English (en)
Other versions
DE60206609T2 (de
Inventor
John Greenwood
William Fuller
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.)
Torotrak Development Ltd
Original Assignee
Torotrak Development 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 Development Ltd filed Critical Torotrak Development Ltd
Application granted granted Critical
Publication of DE60206609D1 publication Critical patent/DE60206609D1/de
Publication of DE60206609T2 publication Critical patent/DE60206609T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16H61/66—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)
DE60206609T 2001-03-29 2002-04-02 Hydraulisches steuersystem für ein stufenlos verstellbares getriebe Expired - Lifetime DE60206609T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0107823 2001-03-29
GB0107823A GB0107823D0 (en) 2001-03-29 2001-03-29 Variator assembly
GB0125733 2001-10-26
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 (2)

Publication Number Publication Date
DE60206609D1 true DE60206609D1 (de) 2005-11-17
DE60206609T2 DE60206609T2 (de) 2006-07-20

Family

ID=26245908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60206609T Expired - Lifetime DE60206609T2 (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
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
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
US8676515B2 (en) 2009-12-16 2014-03-18 Allison Transmission, Inc. System and method for detecting clutch-related faults in an automatic transmission
US8401752B2 (en) * 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
US8424373B2 (en) * 2009-12-16 2013-04-23 Allison Transmission, Inc. Variator fault detection system
CN105179672B (zh) 2009-12-16 2017-07-11 艾里逊变速箱公司 变换器微调系统控制方法和变换器的控制回路
US8852049B2 (en) 2009-12-16 2014-10-07 Allison Transmission, Inc. Fast valve actuation system for an 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
CN103109110B (zh) 2010-08-16 2016-03-23 艾里逊变速箱公司 用于无级变速传动装置的齿轮系统
EP2651744B1 (de) 2010-12-15 2020-04-29 Allison Transmission, Inc. Doppelpumpen-regulatorsystem für ein kraftfahrzeuggetriebe
WO2012082845A2 (en) 2010-12-15 2012-06-21 Long Charles F Variator switching valve scheme for a torroidal traction drive transmission
EP2652366B1 (de) * 2010-12-15 2017-11-29 Allison Transmission, Inc. Multiplex-variator-ventilschema für ein ringförmiges zugantriebsgetriebe
US20150167832A1 (en) * 2012-05-23 2015-06-18 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
JPS5517784A (en) 1978-05-31 1980-02-07 British Leyland Cars Ltd Rolling friction type transmission device having continuous variable ratio
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
EP1373764B1 (de) 2005-10-12
CN1526057A (zh) 2004-09-01
DE60206609T2 (de) 2006-07-20
US20040171456A1 (en) 2004-09-02
CN100504118C (zh) 2009-06-24
WO2002079675A1 (en) 2002-10-10
ATE306628T1 (de) 2005-10-15
ES2249558T3 (es) 2006-04-01
JP2004526916A (ja) 2004-09-02
EP1373764A1 (de) 2004-01-02
US7318786B2 (en) 2008-01-15

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