FR2361582A1 - Mecanisme de transmission a vitesse variable - Google Patents

Mecanisme de transmission a vitesse variable

Info

Publication number
FR2361582A1
FR2361582A1 FR7724948A FR7724948A FR2361582A1 FR 2361582 A1 FR2361582 A1 FR 2361582A1 FR 7724948 A FR7724948 A FR 7724948A FR 7724948 A FR7724948 A FR 7724948A FR 2361582 A1 FR2361582 A1 FR 2361582A1
Authority
FR
France
Prior art keywords
transmission mechanism
discs
transmission
roller
variable speed
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.)
Granted
Application number
FR7724948A
Other languages
English (en)
French (fr)
Other versions
FR2361582B1 (enExample
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
Publication of FR2361582A1 publication Critical patent/FR2361582A1/fr
Application granted granted Critical
Publication of FR2361582B1 publication Critical patent/FR2361582B1/fr
Granted 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)
FR7724948A 1976-08-14 1977-08-12 Mecanisme de transmission a vitesse variable Granted FR2361582A1 (fr)

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 (2)

Publication Number Publication Date
FR2361582A1 true FR2361582A1 (fr) 1978-03-10
FR2361582B1 FR2361582B1 (enExample) 1981-07-31

Family

ID=10358952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724948A Granted FR2361582A1 (fr) 1976-08-14 1977-08-12 Mecanisme de transmission a vitesse variable

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)

Families Citing this family (18)

* 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
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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1146323A (en) * 1966-03-09 1969-03-26 English Electric Co Ltd Improvements relating to variable-ratio frictional drives
GB1147248A (en) * 1966-03-21 1969-04-02 Gen Motors Corp Variable-ratio power transmission mechanisms
FR2278997A1 (fr) * 1974-07-18 1976-02-13 Sundstrand Corp Transmission mecanique torique a rapport variable et commande hydraulique

Family Cites Families (11)

* 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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1146323A (en) * 1966-03-09 1969-03-26 English Electric Co Ltd Improvements relating to variable-ratio frictional drives
GB1147248A (en) * 1966-03-21 1969-04-02 Gen Motors Corp Variable-ratio power transmission mechanisms
FR2278997A1 (fr) * 1974-07-18 1976-02-13 Sundstrand Corp Transmission mecanique torique a rapport variable et commande hydraulique

Also Published As

Publication number Publication date
JPS5377960A (en) 1978-07-10
DE2736581A1 (de) 1978-02-16
US4186616A (en) 1980-02-05
GB1600973A (en) 1981-10-21
IT1083921B (it) 1985-05-25
FR2361582B1 (enExample) 1981-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse