ES2082237T3 - Transmision de tipo de arrastre por ruedas de carrera toroidal. - Google Patents

Transmision de tipo de arrastre por ruedas de carrera toroidal.

Info

Publication number
ES2082237T3
ES2082237T3 ES91920154T ES91920154T ES2082237T3 ES 2082237 T3 ES2082237 T3 ES 2082237T3 ES 91920154 T ES91920154 T ES 91920154T ES 91920154 T ES91920154 T ES 91920154T ES 2082237 T3 ES2082237 T3 ES 2082237T3
Authority
ES
Spain
Prior art keywords
toroidal
type
transmission
drive
roller
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 - Lifetime
Application number
ES91920154T
Other languages
English (en)
Inventor
Christopher John Greenwood
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
Application granted granted Critical
Publication of ES2082237T3 publication Critical patent/ES2082237T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

SE PRESENTA UN COMPONENTE PARA LA VARIACION DE LA RELACION PARA UNA TRANSMISION DE RELACION CONTINUAMENTE VARIABLE DE TIPO DE TRACCION POR RODADURA DE ARO DE RODAMIENTO TOROIDAL, EN LA CUAL CADA RODILLO (20) EXTIENDE EL HUECO TOROIDAL ENTRE SUS RESPECTIVOS DISCOS DE ENTRADA (4, 5) Y SALIDA (11, 12) DE FORMA DIAMETRAL Y EL CENTRO DEL RODILLO (20B) ES CAPAZ, EN FUNCIONAMIENTO, DE UN MOVIMIENTO LIMITADO HACIA ATRAS Y HACIA ADELANTE A LO LARGO DEL CIRCULO CENTRAL (22A) DEL HUECO, Y EN LA CUAL UNOS MEDIOS DE TOPE (40, 41; 30, 33) ESTAN MONTADOS DE FORMA ADYACENTE A LOS BORDES EXTERNO E INTERNO DE LOS AROS DE RODAMIENTO TOROIDALES EN PARTE (22, 23) SOBRE LOS DISCOS, PARA EVITAR QUE LOS RODILLOS PUEDAN CORRER FUERA DE LOS BORDES.
ES91920154T 1990-11-16 1991-11-15 Transmision de tipo de arrastre por ruedas de carrera toroidal. Expired - Lifetime ES2082237T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909024987A GB9024987D0 (en) 1990-11-16 1990-11-16 Improvements in or relating to variators for transmissions of the toroidal-race rolling-traction type

Publications (1)

Publication Number Publication Date
ES2082237T3 true ES2082237T3 (es) 1996-03-16

Family

ID=10685516

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91920154T Expired - Lifetime ES2082237T3 (es) 1990-11-16 1991-11-15 Transmision de tipo de arrastre por ruedas de carrera toroidal.

Country Status (12)

Country Link
US (1) US5338268A (es)
EP (1) EP0557369B1 (es)
JP (1) JPH06502476A (es)
KR (1) KR100191849B1 (es)
AU (1) AU656345B2 (es)
CA (1) CA2096331A1 (es)
DE (1) DE69115925T2 (es)
ES (1) ES2082237T3 (es)
GB (2) GB9024987D0 (es)
RU (1) RU2096671C1 (es)
UA (1) UA23033C2 (es)
WO (1) WO1992008912A1 (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN176702B (es) * 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
JP3409514B2 (ja) * 1995-07-24 2003-05-26 日産自動車株式会社 トロイダル型無段変速機
EP1025374A1 (de) 1996-10-28 2000-08-09 Herbert Bolter Reibradgetriebe
DE59801539D1 (de) 1997-07-25 2001-10-25 Zahnradfabrik Friedrichshafen Stufenloses toroidreibradgetriebe
US6119539A (en) * 1998-02-06 2000-09-19 Galaxy Shipping Enterprises, Inc. Infinitely and continuously variable transmission system
JPH11303961A (ja) * 1998-04-17 1999-11-02 Nippon Seiko Kk トロイダル型無段変速機
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
WO2001057417A1 (en) * 2000-02-02 2001-08-09 Koyo Seiko Co., Ltd. Toroidal type continuously variable transmission
JP3688178B2 (ja) * 2000-03-10 2005-08-24 光洋精工株式会社 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
GB0513721D0 (en) * 2005-07-05 2005-08-10 Torotrak Dev Ltd Ratio limiting arrangement
RU2465497C2 (ru) * 2008-06-05 2012-10-27 Мазаро Нв Реверсивная переменная трансмиссия
CA2784764C (en) * 2009-12-16 2019-03-12 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
CN102713351B (zh) * 2009-12-16 2016-06-29 艾里逊变速箱公司 用于控制变速机构端负载作用力的系统和方法
US8401752B2 (en) 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
CA2784373C (en) 2009-12-16 2017-11-07 Allison Transmission, Inc. Fast valve actuation system for an automatic transmission
EP2513516B1 (en) * 2009-12-16 2017-05-31 Allison Transmission, Inc. Variator lockout valve system
WO2012024225A1 (en) 2010-08-16 2012-02-23 Allison Transmission, Inc. Gear scheme for infinitely variable transmission
EP2655938A4 (en) 2010-12-15 2016-07-27 Allison Transm Inc DRIVE SWITCHING VALVE PROGRAM FOR TORONTO TRACTION DRIVE TRANSMISSION
CA2821956C (en) 2010-12-15 2018-09-11 Allison Transmission, Inc. Variator multiplex valve scheme for a toroidal traction drive transmission
US8727942B2 (en) 2010-12-15 2014-05-20 AllisonTransmission, Inc. Dual pump regulator system for a motor vehicle transmission
GB201223469D0 (en) * 2012-12-27 2013-02-13 Mazaro Nv Design features to improve power density and efficiency of a reversible variable transmission - RVT
CA2945465A1 (en) * 2014-04-14 2015-10-22 Kawasaki Jukogyo Kabushiki Kaisha Toroidal continuously variable transmission

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26917A (en) * 1860-01-24 Improvement in hay-presses
GB596331A (en) * 1945-05-03 1948-01-01 Stone J & Co Ltd Improvements in variable speed gearing
US1056292A (en) * 1911-04-03 1913-03-18 Charles H Eder Power-transmission mechanism.
GB410150A (en) * 1932-08-12 1934-05-14 Frank Anderson Hayes Improvements relating to variable speed power transmission mechanism
US2318471A (en) * 1941-05-07 1943-05-04 Adiel Y Dodge Friction toroidal transmission
GB1069874A (en) * 1963-05-03 1963-05-19 Nat Res Dev Variable ratio transmission
GB1078791A (en) * 1964-12-01 1967-08-09 Nat Res Dev Continuously variable ratio transmission system and control system therefor
US3371546A (en) * 1966-05-09 1968-03-05 Gen Motors Corp Toric friction transmission with cross pin ratio changing control
USRE26917E (en) 1969-05-06 1970-06-23 Transmission and control system
GB1325602A (en) * 1970-06-06 1973-08-08 Rotax Ltd Transmission systems
GB2023753B (en) * 1978-06-23 1982-12-22 Brie Perry F G De Control systems for steplessly-varibale ratio transmissions
US4400987A (en) * 1980-12-22 1983-08-30 Excelermatic Inc. Infinitely variable traction roller transmission
GB8320608D0 (en) * 1983-07-30 1983-09-01 Leyland Vehicles Hydraulic control system
GB2170284B (en) * 1985-01-30 1989-07-05 Nat Res Dev Improvements in or relating to automotive transmissions of the rolling traction type
GB8818518D0 (en) * 1988-08-04 1988-09-07 Robinson L K Improvements in/relating to ram units in transmission of toroidal race rolling traction type
IN176702B (es) * 1988-11-21 1996-08-24 Torotrak Dev Ltd
US4974466A (en) * 1989-11-27 1990-12-04 Excelermatic Inc. Infinitely variable traction roller transmission

Also Published As

Publication number Publication date
KR100191849B1 (ko) 1999-06-15
GB2250326B (en) 1994-06-08
GB2250326A (en) 1992-06-03
DE69115925T2 (de) 1996-05-23
DE69115925D1 (de) 1996-02-08
EP0557369B1 (en) 1995-12-27
RU2096671C1 (ru) 1997-11-20
KR930702634A (ko) 1993-09-09
AU656345B2 (en) 1995-02-02
CA2096331A1 (en) 1992-05-17
JPH06502476A (ja) 1994-03-17
UA23033C2 (uk) 1998-06-30
GB9024987D0 (en) 1991-01-02
GB9124273D0 (en) 1992-01-08
US5338268A (en) 1994-08-16
EP0557369A1 (en) 1993-09-01
AU8916391A (en) 1992-06-11
WO1992008912A1 (en) 1992-05-29

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