DE68920050D1 - Toroidal-Reibradgetriebe. - Google Patents

Toroidal-Reibradgetriebe.

Info

Publication number
DE68920050D1
DE68920050D1 DE68920050T DE68920050T DE68920050D1 DE 68920050 D1 DE68920050 D1 DE 68920050D1 DE 68920050 T DE68920050 T DE 68920050T DE 68920050 T DE68920050 T DE 68920050T DE 68920050 D1 DE68920050 D1 DE 68920050D1
Authority
DE
Germany
Prior art keywords
friction gear
toroidal friction
toroidal
gear
friction
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 - Fee Related
Application number
DE68920050T
Other languages
English (en)
Other versions
DE68920050T2 (de
Inventor
Forbes George Debrie Perry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE68920050D1 publication Critical patent/DE68920050D1/de
Publication of DE68920050T2 publication Critical patent/DE68920050T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE68920050T 1988-10-27 1989-09-26 Toroidal-Reibradgetriebe. Expired - Fee Related DE68920050T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8825198A GB2225395A (en) 1988-10-27 1988-10-27 Toroidal race rolling traction transmission units with angled ball race
PCT/GB1989/001134 WO1990004729A1 (en) 1988-10-27 1989-09-26 Toroidal race rolling traction transmission units

Publications (2)

Publication Number Publication Date
DE68920050D1 true DE68920050D1 (de) 1995-01-26
DE68920050T2 DE68920050T2 (de) 1995-04-27

Family

ID=10645895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920050T Expired - Fee Related DE68920050T2 (de) 1988-10-27 1989-09-26 Toroidal-Reibradgetriebe.

Country Status (7)

Country Link
US (1) US5111710A (de)
EP (1) EP0446216B1 (de)
JP (1) JPH04501454A (de)
AU (1) AU4487289A (de)
DE (1) DE68920050T2 (de)
GB (1) GB2225395A (de)
WO (1) WO1990004729A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9005969D0 (en) * 1990-03-16 1990-05-09 Lambert David R Improvements in or relating to hydraulic control systems
US6117043A (en) * 1997-11-05 2000-09-12 Nsk Ltd. Continously variable transmission having an oscillating trunnion-support yoke
DE10034454A1 (de) * 2000-07-15 2002-01-24 Zahnradfabrik Friedrichshafen Stufenloses Reibradgetriebe
GB2423122A (en) * 2005-02-11 2006-08-16 Torotrak Dev Ltd A variator roller carriages moved by a lever
GB2440746B (en) * 2006-08-07 2012-01-04 Torotrak Dev Ltd Drive mechanism for infinitely variable transmission
GB2455337A (en) 2007-12-06 2009-06-10 Infinitrak Llc Toroidal variator with damped control lever
JP4712841B2 (ja) * 2008-07-17 2011-06-29 日本ピラー工業株式会社 導波管・ストリップ線路変換器及び高周波回路
EP2486306B1 (de) 2009-10-08 2017-07-26 Ultimate Transmissions Pty Ltd Vollständiger ringförmiger zugantrieb
US10473196B2 (en) 2011-05-06 2019-11-12 Ultimate Transmissions Pty Ltd. Toroidal variable speed traction drive

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979062A (en) * 1960-05-18 1965-01-01 Nat Res Dev Improvements in or relating to a continuously variable ratio transmission
GB1069874A (en) * 1963-05-03 1963-05-19 Nat Res Dev Variable ratio transmission
US3371546A (en) * 1966-05-09 1968-03-05 Gen Motors Corp Toric friction transmission with cross pin ratio changing control
US3410146A (en) * 1966-06-20 1968-11-12 Gen Motors Corp Roller friction transmission
GB1133265A (en) * 1966-07-20 1968-11-13 English Electric Co Ltd Improvements relating to variable-ratio frictional drive gears
FR1531007A (fr) * 1966-07-20 1968-06-28 English Electric Co Ltd Mécanisme d'entraînement à friction à rapport de transmission variable
US3430504A (en) * 1966-08-29 1969-03-04 Gen Motors Corp Transmission
US3653272A (en) * 1970-08-17 1972-04-04 Gen Motors Corp Accessory drive mechanism
GB1367525A (en) * 1971-12-08 1974-09-18 Gkn Transmissions Ltd Variable ratio traction drive
US3802284A (en) * 1972-08-02 1974-04-09 Rotax Ltd Variable-ratio toric drive with hydraulic relief means
US4499782A (en) * 1981-10-05 1985-02-19 National Research Development Corporation Transmission units of the toroidal race rolling friction type
IN176702B (de) * 1988-11-21 1996-08-24 Torotrak Dev Ltd

Also Published As

Publication number Publication date
DE68920050T2 (de) 1995-04-27
WO1990004729A1 (en) 1990-05-03
US5111710A (en) 1992-05-12
EP0446216A1 (de) 1991-09-18
GB2225395A (en) 1990-05-30
AU4487289A (en) 1990-05-14
GB8825198D0 (en) 1988-11-30
EP0446216B1 (de) 1994-12-14
JPH04501454A (ja) 1992-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee