AU2002222103A1 - Roller control unit - Google Patents

Roller control unit

Info

Publication number
AU2002222103A1
AU2002222103A1 AU2002222103A AU2210302A AU2002222103A1 AU 2002222103 A1 AU2002222103 A1 AU 2002222103A1 AU 2002222103 A AU2002222103 A AU 2002222103A AU 2210302 A AU2210302 A AU 2210302A AU 2002222103 A1 AU2002222103 A1 AU 2002222103A1
Authority
AU
Australia
Prior art keywords
control unit
roller control
roller
unit
control
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.)
Abandoned
Application number
AU2002222103A
Inventor
Ian David Cornwell
Brian Joseph Dutson
Leslie Kendrick Robinson
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 GB0029131A external-priority patent/GB0029131D0/en
Application filed by Torotrak Development Ltd filed Critical Torotrak Development Ltd
Publication of AU2002222103A1 publication Critical patent/AU2002222103A1/en
Abandoned 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
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces
    • 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
AU2002222103A 2000-11-29 2001-11-29 Roller control unit Abandoned AU2002222103A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP00310556 2000-11-29
GB0029131 2000-11-29
GB0029131A GB0029131D0 (en) 2000-11-29 2000-11-29 Roller control unit
EP00310556 2000-11-29
PCT/GB2001/005274 WO2002044587A1 (en) 2000-11-29 2001-11-29 Roller control unit

Publications (1)

Publication Number Publication Date
AU2002222103A1 true AU2002222103A1 (en) 2002-06-11

Family

ID=26073369

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002222103A Abandoned AU2002222103A1 (en) 2000-11-29 2001-11-29 Roller control unit

Country Status (5)

Country Link
US (1) US7018320B2 (en)
EP (1) EP1337770A1 (en)
JP (1) JP2004522073A (en)
AU (1) AU2002222103A1 (en)
WO (1) WO2002044587A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2401474C (en) * 2002-09-05 2011-06-21 Ecole De Technologie Superieure Drive roller control for toric-drive transmission
DE10308496A1 (en) * 2003-02-26 2004-09-16 Daimlerchrysler Ag toroidal
DE10309569A1 (en) 2003-03-04 2004-09-16 Daimlerchrysler Ag toroidal
TWI378192B (en) * 2008-11-07 2012-12-01 Ind Tech Res Inst Speed adjusting mechanism for roller traction toroidal continuously variable transmission
CN105021396B (en) * 2009-12-16 2019-07-05 艾里逊变速箱公司 Converter fault detection system
WO2011075244A1 (en) 2009-12-16 2011-06-23 Allison Transmission, Inc. Fast valve actuation system for an automatic transmission
WO2011075245A1 (en) 2009-12-16 2011-06-23 Allison Transmission, Inc. Variator lockout valve system
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
EP2513514A4 (en) * 2009-12-16 2013-08-07 Allison Transm Inc System and method for controlling endload force of a variator
WO2012024225A1 (en) 2010-08-16 2012-02-23 Allison Transmission, Inc. Gear scheme for infinitely variable transmission
EP2651744B1 (en) 2010-12-15 2020-04-29 Allison Transmission, Inc. Dual pump regulator system for a motor vehicle transmission
WO2012082871A1 (en) 2010-12-15 2012-06-21 Long Charles F Variator multiplex valve scheme for a torroidal traction drive transmission
CN105317999B (en) 2010-12-15 2017-09-19 艾里逊变速箱公司 Gear switching valve scheme for anchor ring traction drive speed changer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392707A (en) * 1971-07-27 1975-04-30 Rotax Ltd Variable-ratio frictional drive gears
US3802284A (en) * 1972-08-02 1974-04-09 Rotax Ltd Variable-ratio toric drive with hydraulic relief means
IN176702B (en) 1988-11-21 1996-08-24 Torotrak Dev Ltd
GB9214190D0 (en) 1992-07-03 1992-08-12 Robinson Leslie K Improvements in or relating to continuously-variable-ratio transmissions of the toroidal-race rolling-traction type
JP3237573B2 (en) * 1997-06-05 2001-12-10 日産自動車株式会社 Friction wheel type continuously variable transmission
GB2336633A (en) 1998-04-22 1999-10-27 Torotrak Dev Ltd Roller Control Unit for CVT
GB2336879A (en) * 1998-04-27 1999-11-03 Torotrak Dev Ltd Roller control unit for CVT

Also Published As

Publication number Publication date
EP1337770A1 (en) 2003-08-27
US20040038773A1 (en) 2004-02-26
WO2002044587A1 (en) 2002-06-06
JP2004522073A (en) 2004-07-22
US7018320B2 (en) 2006-03-28

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