GB1600973A - Variable speed transmission systems - Google Patents

Variable speed transmission systems Download PDF

Info

Publication number
GB1600973A
GB1600973A GB33905/76A GB3390576A GB1600973A GB 1600973 A GB1600973 A GB 1600973A GB 33905/76 A GB33905/76 A GB 33905/76A GB 3390576 A GB3390576 A GB 3390576A GB 1600973 A GB1600973 A GB 1600973A
Authority
GB
United Kingdom
Prior art keywords
rollers
transmission system
roller
axis
cam
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
Application number
GB33905/76A
Other languages
English (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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB33905/76A priority Critical patent/GB1600973A/en
Priority to US05/824,249 priority patent/US4186616A/en
Priority to IT26692/77A priority patent/IT1083921B/it
Priority to FR7724948A priority patent/FR2361582A1/fr
Priority to DE19772736581 priority patent/DE2736581A1/de
Priority to JP9710777A priority patent/JPS5377960A/ja
Publication of GB1600973A publication Critical patent/GB1600973A/en
Expired 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
    • 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
    • F16H2015/383—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 with two or more sets of toroid gearings arranged in parallel
    • 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)
GB33905/76A 1976-08-14 1976-08-14 Variable speed transmission systems Expired GB1600973A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB33905/76A GB1600973A (en) 1976-08-14 1976-08-14 Variable speed transmission systems
US05/824,249 US4186616A (en) 1976-08-14 1977-08-12 Variable speed transmission systems
IT26692/77A IT1083921B (it) 1976-08-14 1977-08-12 Sistemi di trasmissione a velocita' variabili
FR7724948A FR2361582A1 (fr) 1976-08-14 1977-08-12 Mecanisme de transmission a vitesse variable
DE19772736581 DE2736581A1 (de) 1976-08-14 1977-08-13 Reibgetriebe
JP9710777A JPS5377960A (en) 1976-08-14 1977-08-15 Transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33905/76A GB1600973A (en) 1976-08-14 1976-08-14 Variable speed transmission systems

Publications (1)

Publication Number Publication Date
GB1600973A true GB1600973A (en) 1981-10-21

Family

ID=10358952

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33905/76A Expired GB1600973A (en) 1976-08-14 1976-08-14 Variable speed transmission systems

Country Status (6)

Country Link
US (1) US4186616A (enExample)
JP (1) JPS5377960A (enExample)
DE (1) DE2736581A1 (enExample)
FR (1) FR2361582A1 (enExample)
GB (1) GB1600973A (enExample)
IT (1) IT1083921B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564993A (en) * 1992-07-03 1996-10-15 Torotrak (Development) Limited Continously-variable-ratio transmission of the toroidal-race rolling-traction type

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1583958A (en) * 1976-08-14 1981-02-04 Lucas Industries Ltd Axial loading device
GB2108600A (en) * 1981-10-24 1983-05-18 Leyland Vehicles Continuously-variable-ratio transmisson
US4693134A (en) * 1985-06-20 1987-09-15 Excelermatic Inc. High-powered vehicle drive train
IN176702B (enExample) * 1988-11-21 1996-08-24 Torotrak Dev Ltd
DE19861271B4 (de) * 1997-11-12 2007-01-18 Nsk Ltd. Verfahren zur Herstellung einer Zwischenscheibe für ein stufenlos verstellbares Toroid-Getriebe
US6074324A (en) * 1997-11-12 2000-06-13 Nsk Ltd. Toroidal type continuously variable transmission
DE19861194B4 (de) * 1997-11-12 2005-09-22 Nsk Ltd. Stufenlos verstellbares Halb-Toroid-Getriebe
GB9904666D0 (en) 1999-03-01 1999-04-21 Torotrak Dev Ltd Bearing support for infinitely-variable-ratio transmission output discs
JP4196486B2 (ja) * 1999-06-29 2008-12-17 日本精工株式会社 トロイダル形無段変速装置
JP3997689B2 (ja) * 2000-06-07 2007-10-24 日本精工株式会社 ハーフトロイダルｃｖｔディスクの研削加工方法
JP3714226B2 (ja) * 2001-10-19 2005-11-09 日本精工株式会社 トロイダル型無段変速機
CA2401474C (en) * 2002-09-05 2011-06-21 Ecole De Technologie Superieure Drive roller control for toric-drive transmission
JP2004332915A (ja) * 2002-12-12 2004-11-25 Nissan Motor Co Ltd ころ軸受
DE10352174A1 (de) * 2003-11-05 2005-06-09 Daimlerchrysler Ag Toroidgetriebe mit einer hydraulischen Anpressvorrichtung
GB0512029D0 (en) * 2005-06-14 2005-07-20 Torotrak Dev Ltd Power take off arrangement for a motor vehicle
CN102725561B (zh) 2009-10-08 2015-03-25 终极变速器私人有限公司 全环面牵引传动装置
JP2015017664A (ja) * 2013-07-11 2015-01-29 日本精工株式会社 電気自動車用駆動装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1984797A (en) * 1932-08-12 1934-12-18 Frank A Hayes Variable speed power transmission mechanism
US2113638A (en) * 1936-08-06 1938-04-12 Gen Motors Corp Control means for toroidal race and roller power transmission mechanism
GB1146321A (en) * 1965-03-09 1969-03-26 English Electric Co Ltd Variable ratio friction gears
GB1146323A (en) * 1966-03-09 1969-03-26 English Electric Co Ltd Improvements relating to variable-ratio frictional drives
US3394617A (en) * 1966-03-21 1968-07-30 Gen Motors Corp Transmission and control system
US3430504A (en) * 1966-08-29 1969-03-04 Gen Motors Corp Transmission
US3581587A (en) * 1969-05-06 1971-06-01 Gen Motors Corp Transmission
GB1395319A (en) * 1971-07-27 1975-05-21 Lucas Industries Ltd Variable-ratio frictional drives
US3828618A (en) * 1971-07-27 1974-08-13 Rotax Ltd Constant speed hydraulically controlled toric transmission with concentric, two piston valve, governor and constant ratio means
GB1392450A (en) * 1971-07-27 1975-04-30 Rotax Ltd Variable-ratio friction drive gears
GB1392440A (en) * 1971-07-27 1975-04-30 Rotax Ltd Variable-ratio frictional drive gears
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
US3933054A (en) * 1974-07-18 1976-01-20 Sundstrand Corporation Toroidal traction drive

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564993A (en) * 1992-07-03 1996-10-15 Torotrak (Development) Limited Continously-variable-ratio transmission of the toroidal-race rolling-traction type

Also Published As

Publication number Publication date
JPS5377960A (en) 1978-07-10
DE2736581A1 (de) 1978-02-16
US4186616A (en) 1980-02-05
FR2361582A1 (fr) 1978-03-10
IT1083921B (it) 1985-05-25
FR2361582B1 (enExample) 1981-07-31

Similar Documents

Publication Publication Date Title
GB1600973A (en) Variable speed transmission systems
US2959972A (en) Single ball joint roller support for toroidal variable ratio transmissions
GB1600972A (en) Variable speed transmission systems
EP0365872B1 (en) Infinitely variable traction roller transmission
US5048359A (en) Toroidal continuously variable transmission
US3581587A (en) Transmission
US3828618A (en) Constant speed hydraulically controlled toric transmission with concentric, two piston valve, governor and constant ratio means
US20040097325A1 (en) Planet gear and use thereof
US3826148A (en) Constant speed output toric transmission with hydraulic controls consisting of a rotatable spider, an actuating valve and governor means
JP5046925B2 (ja) 変動器
US4275610A (en) Infinitely variable traction roller transmission
GB1147248A (en) Variable-ratio power transmission mechanisms
KR20140109497A (ko) 연속 가변 토로이달 변속기
US5779591A (en) Toroidal continous variable transmission
US1947044A (en) Friction transmission
GB2035510A (en) Chain for use with mechanical torque converter
JPS6321058B2 (enExample)
US2682776A (en) Transmission
US4252033A (en) Variable speed transmission systems
GB1583958A (en) Axial loading device
US4434676A (en) Traction roller transmission with mechanical transmission ratio control
US2936638A (en) Variable speed friction drive
CN101365894B (zh) 变速器
US3165937A (en) Constant speed toroidal drive
US4630494A (en) Radially oriented nutational traction drive transmission

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950804