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GB0009579D0 - Continuously variable ratio transmission apparatus - Google Patents

Continuously variable ratio transmission apparatus

Info

Publication number
GB0009579D0
GB0009579D0 GB0009579A GB0009579A GB0009579D0 GB 0009579 D0 GB0009579 D0 GB 0009579D0 GB 0009579 A GB0009579 A GB 0009579A GB 0009579 A GB0009579 A GB 0009579A GB 0009579 D0 GB0009579 D0 GB 0009579D0
Authority
GB
United Kingdom
Prior art keywords
continuously variable
transmission apparatus
variable ratio
ratio transmission
continuously
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Withdrawn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
GB0009579A
Other versions
GB2361510A (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 GB0009579A priority Critical patent/GB2361510A/en
Publication of GB0009579D0 publication Critical patent/GB0009579D0/en
Publication of GB2361510A publication Critical patent/GB2361510A/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Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
GB0009579A 2000-04-19 2000-04-19 A continuously-variable-ratio, toroidal race rolling traction transmission Withdrawn GB2361510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0009579A GB2361510A (en) 2000-04-19 2000-04-19 A continuously-variable-ratio, toroidal race rolling traction transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0009579A GB2361510A (en) 2000-04-19 2000-04-19 A continuously-variable-ratio, toroidal race rolling traction transmission

Publications (2)

Publication Number Publication Date
GB0009579D0 true GB0009579D0 (en) 2000-06-07
GB2361510A GB2361510A (en) 2001-10-24

Family

ID=9890168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0009579A Withdrawn GB2361510A (en) 2000-04-19 2000-04-19 A continuously-variable-ratio, toroidal race rolling traction transmission

Country Status (1)

Country Link
GB (1) GB2361510A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713361B (en) 2009-12-16 2015-11-25 艾里逊变速箱公司 Transducer blocking-valve system
US8852049B2 (en) 2009-12-16 2014-10-07 Allison Transmission, Inc. Fast valve actuation system for an automatic transmission
KR20120106976A (en) 2009-12-16 2012-09-27 알리손 트랜스미션, 인크. System and method for controlling endload force of a variator
US8401752B2 (en) 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
WO2011075243A1 (en) 2009-12-16 2011-06-23 Allison Transmission, Inc. Variator fault detection 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
CN105587838B (en) 2010-08-16 2020-05-01 艾里逊变速箱公司 Gear system for continuously variable transmission
WO2012082871A1 (en) 2010-12-15 2012-06-21 Long Charles F Variator multiplex valve scheme for a torroidal traction drive transmission
CN103597255B (en) 2010-12-15 2015-12-16 艾里逊变速箱公司 For the gear switching valve scheme of anchor ring traction drive speed changer
CA2821743C (en) 2010-12-15 2018-09-11 Allison Transmission, Inc. Dual pump regulator system for a motor vehicle transmission
JP6745708B2 (en) * 2016-11-18 2020-08-26 日本精工株式会社 Toroidal type continuously variable transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB369657A (en) * 1930-07-21 1932-03-21 Gen Motors Res Corp Improvements in friction gearing
GB418663A (en) * 1932-02-03 1934-10-30 Gen Motors Res Corp Improvements relating to power transmitting mechanism
GB1134202A (en) * 1965-10-20 1968-11-20 Nat Res Dev Variable ratio transmission unit
US4272999A (en) * 1978-04-11 1981-06-16 National Research Development Corporation Fluid pressure operated actuator

Also Published As

Publication number Publication date
GB2361510A (en) 2001-10-24

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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)