GB0610195D0 - Continuously variable ratio transmission drive - Google Patents

Continuously variable ratio transmission drive

Info

Publication number
GB0610195D0
GB0610195D0 GBGB0610195.0A GB0610195A GB0610195D0 GB 0610195 D0 GB0610195 D0 GB 0610195D0 GB 0610195 A GB0610195 A GB 0610195A GB 0610195 D0 GB0610195 D0 GB 0610195D0
Authority
GB
United Kingdom
Prior art keywords
continuously variable
transmission drive
variable ratio
ratio transmission
drive
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.)
Withdrawn
Application number
GBGB0610195.0A
Other versions
GB2438412A (en
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
Priority to GB0610195A priority Critical patent/GB2438412A/en
Publication of GB0610195D0 publication Critical patent/GB0610195D0/en
Publication of GB2438412A publication Critical patent/GB2438412A/en
Withdrawn legal-status Critical Current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
    • F16H61/6649—Friction gearings characterised by the means for controlling the torque transmitting capability of the gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
GB0610195A 2006-05-23 2006-05-23 Continuously variable transmission with two opposing biasing devices Withdrawn GB2438412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0610195A GB2438412A (en) 2006-05-23 2006-05-23 Continuously variable transmission with two opposing biasing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0610195A GB2438412A (en) 2006-05-23 2006-05-23 Continuously variable transmission with two opposing biasing devices

Publications (2)

Publication Number Publication Date
GB0610195D0 true GB0610195D0 (en) 2006-07-05
GB2438412A GB2438412A (en) 2007-11-28

Family

ID=36687553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0610195A Withdrawn GB2438412A (en) 2006-05-23 2006-05-23 Continuously variable transmission with two opposing biasing devices

Country Status (1)

Country Link
GB (1) GB2438412A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474870A (en) * 2009-10-29 2011-05-04 Torotrak Dev Ltd Infinitely variable transmission
US8424373B2 (en) 2009-12-16 2013-04-23 Allison Transmission, Inc. Variator fault detection system
CN102713351B (en) 2009-12-16 2016-06-29 艾里逊变速箱公司 For controlling the system and method for gear end load forces
US8852049B2 (en) 2009-12-16 2014-10-07 Allison Transmission, Inc. Fast valve actuation system for an 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
CN105179672B (en) 2009-12-16 2017-07-11 艾里逊变速箱公司 The control loop of converter micro-tensioning system control method and converter
US8401752B2 (en) 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
CN103109110B (en) 2010-08-16 2016-03-23 艾里逊变速箱公司 For the gear train of infinitely variable speed transmission
EP2651744B1 (en) 2010-12-15 2020-04-29 Allison Transmission, Inc. Dual pump regulator system for a motor vehicle transmission
EP2652366B1 (en) 2010-12-15 2017-11-29 Allison Transmission, Inc. Variator multiplex valve scheme for a torroidal traction drive transmission
WO2012082845A2 (en) 2010-12-15 2012-06-21 Long Charles F Variator switching valve scheme for a torroidal traction drive transmission
GB201103278D0 (en) 2011-02-25 2011-04-13 American Tobacco Investments Ltd Transmission arrangement
WO2013060353A1 (en) 2011-10-24 2013-05-02 Aktiebolaget Skf Ball and ramp device for a toroidal variator
EP2885559A4 (en) * 2012-08-16 2016-11-30 Ultimate Transmissions Pty Ltd Modulated clamping force generator for toroidal cvt
WO2014117167A1 (en) 2013-01-28 2014-07-31 Robert Hornblower Meyer Continuously variable drive mechanism
CN105874241A (en) * 2013-11-29 2016-08-17 托罗特拉克(开发)有限公司 Toroidal variator
GB201419494D0 (en) 2014-10-31 2014-12-17 Torotrak Dev Ltd Variations
GB2537151B (en) * 2015-04-09 2020-09-23 Allison Transm Inc An auxiliary drive arrangement having a prime mover output rotatable relative to a variable speed transmission input

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163050A (en) * 1963-06-19 1964-12-29 Excelermatic Toroidal transmission bearing means
US3184983A (en) * 1963-10-30 1965-05-25 Excelermatic Toroidal transmission mechanism with torque loading cam means
JP3430530B2 (en) * 1992-12-11 2003-07-28 日本精工株式会社 Power transmission device

Also Published As

Publication number Publication date
GB2438412A (en) 2007-11-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)