DE602004008475D1 - Hydraulische steuereinrichtung für stufenloses getriebe - Google Patents

Hydraulische steuereinrichtung für stufenloses getriebe

Info

Publication number
DE602004008475D1
DE602004008475D1 DE602004008475T DE602004008475T DE602004008475D1 DE 602004008475 D1 DE602004008475 D1 DE 602004008475D1 DE 602004008475 T DE602004008475 T DE 602004008475T DE 602004008475 T DE602004008475 T DE 602004008475T DE 602004008475 D1 DE602004008475 D1 DE 602004008475D1
Authority
DE
Germany
Prior art keywords
traction
pressure
reaction
rollers
control unit
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
DE602004008475T
Other languages
English (en)
Other versions
DE602004008475T2 (de
Inventor
John 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
Application filed by Torotrak Development Ltd filed Critical Torotrak Development Ltd
Publication of DE602004008475D1 publication Critical patent/DE602004008475D1/de
Application granted granted Critical
Publication of DE602004008475T2 publication Critical patent/DE602004008475T2/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
    • 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
    • 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
    • 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
    • F16H61/6648—Friction gearings controlling of shifting being influenced by a signal derived from the engine and the main coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Control Of Transmission Device (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valve Device For Special Equipments (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Arc Welding In General (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
DE602004008475T 2003-07-25 2004-06-15 Hydraulische steuereinrichtung für stufenloses getriebe Expired - Lifetime DE602004008475T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0317499 2003-07-25
GBGB0317499.2A GB0317499D0 (en) 2003-07-25 2003-07-25 Hydraulic variator control arrangement
PCT/GB2004/002500 WO2005015061A1 (en) 2003-07-25 2004-06-15 Hydraulic variator control arrangement

Publications (2)

Publication Number Publication Date
DE602004008475D1 true DE602004008475D1 (de) 2007-10-04
DE602004008475T2 DE602004008475T2 (de) 2008-05-15

Family

ID=27772728

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004008475T Expired - Lifetime DE602004008475T2 (de) 2003-07-25 2004-06-15 Hydraulische steuereinrichtung für stufenloses getriebe

Country Status (13)

Country Link
US (1) US8641576B2 (de)
EP (1) EP1649199B1 (de)
JP (1) JP4712701B2 (de)
KR (1) KR101151459B1 (de)
CN (1) CN1833125B (de)
AT (1) ATE371127T1 (de)
BR (1) BRPI0412817A (de)
CA (1) CA2546455A1 (de)
DE (1) DE602004008475T2 (de)
GB (1) GB0317499D0 (de)
MX (1) MXPA06000828A (de)
RU (1) RU2006105653A (de)
WO (1) WO2005015061A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4742723B2 (ja) * 2005-07-27 2011-08-10 日本精工株式会社 トロイダル型無段変速機及び無段変速装置
JP4911338B2 (ja) * 2005-10-26 2012-04-04 株式会社ジェイテクト トロイダル型無段変速機
US8641577B2 (en) * 2007-06-11 2014-02-04 Fallbrook Intellectual Property Company Llc Continuously variable 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
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
EP2841815B1 (de) * 2012-04-25 2020-03-11 Allison Transmission, Inc. Verschachtelte endlastanordnung für einen variator
DK3052814T3 (da) * 2013-10-03 2020-06-08 Energy Recovery Inc Fraktureringssystem med hydraulisk energioverførselssystem

Family Cites Families (17)

* 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
GB1132473A (en) 1965-11-15 1968-11-06 James Robert Young Variable ratio friction transmission and control system therefor
DE2961754D1 (en) 1978-05-31 1982-02-25 British Leyland Cars Ltd Control circuit for a continuously variable ratio transmission
GB2100372B (en) 1979-06-20 1983-06-02 Nat Res Dev Improvements in or relating to steplesslyvariable ratio transmissions
JPH0672652B2 (ja) * 1986-05-01 1994-09-14 日産自動車株式会社 トロイダル型無段変速機
JP2662565B2 (ja) * 1988-03-31 1997-10-15 アイシン精機株式会社 トロイダル形無段変速機
IN176702B (de) * 1988-11-21 1996-08-24 Torotrak Dev Ltd
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
JP2583164B2 (ja) 1991-08-02 1997-02-19 宇部興産株式会社 芳香族コポリエステルの製造方法
US6030310A (en) * 1996-04-19 2000-02-29 Torotrak (Development) Limited Variator control system
GB2312257A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd Toroidal race variator control system varies end loading according to net pres sure
US5938557A (en) 1996-04-19 1999-08-17 Torotrak (Development) Limited CVT Control System
DE19721036B4 (de) * 1996-05-24 2006-09-14 Luk Gs Verwaltungs Kg Steuerventil für ein Fahrzeug mit einer Druckmittelanlage
JP4106797B2 (ja) * 1999-03-08 2008-06-25 日本精工株式会社 トロイダル形無段変速装置
US6162144A (en) 1999-06-01 2000-12-19 General Motors Corporation Traction coefficient control for a continuously variable transmission
ATE306628T1 (de) 2001-03-29 2005-10-15 Torotrak Dev Ltd Hydraulisches steuersystem für ein stufenlos verstellbares getriebe
EP1273833A1 (de) 2001-07-05 2003-01-08 Torotrak (Development) Limited Hydraulische Steuereinrichtung für ein stufenloses Getriebe

Also Published As

Publication number Publication date
MXPA06000828A (es) 2006-04-18
JP4712701B2 (ja) 2011-06-29
ATE371127T1 (de) 2007-09-15
US8641576B2 (en) 2014-02-04
US20110105272A1 (en) 2011-05-05
CA2546455A1 (en) 2005-02-17
KR101151459B1 (ko) 2012-06-01
CN1833125B (zh) 2011-01-12
EP1649199B1 (de) 2007-08-22
CN1833125A (zh) 2006-09-13
RU2006105653A (ru) 2006-07-10
BRPI0412817A (pt) 2006-09-26
KR20060063917A (ko) 2006-06-12
JP2006528754A (ja) 2006-12-21
WO2005015061A1 (en) 2005-02-17
EP1649199A1 (de) 2006-04-26
GB0317499D0 (en) 2003-08-27
DE602004008475T2 (de) 2008-05-15

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Legal Events

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8364 No opposition during term of opposition