ZA9811719B - Drive mechanism for infinitely variable transmission. - Google Patents

Drive mechanism for infinitely variable transmission.

Info

Publication number
ZA9811719B
ZA9811719B ZA9811719A ZA9811719A ZA9811719B ZA 9811719 B ZA9811719 B ZA 9811719B ZA 9811719 A ZA9811719 A ZA 9811719A ZA 9811719 A ZA9811719 A ZA 9811719A ZA 9811719 B ZA9811719 B ZA 9811719B
Authority
ZA
South Africa
Prior art keywords
drive mechanism
variable transmission
infinitely variable
infinitely
transmission
Prior art date
Application number
ZA9811719A
Other languages
English (en)
Inventor
Christopher John Greenwood
Original Assignee
Torotrak Dev 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 Dev Ltd filed Critical Torotrak Dev Ltd
Publication of ZA9811719B publication Critical patent/ZA9811719B/xx

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)
ZA9811719A 1997-12-24 1998-12-21 Drive mechanism for infinitely variable transmission. ZA9811719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9727295.9A GB9727295D0 (en) 1997-12-24 1997-12-24 Improvements in or relating to steplessly-variable-ratio transmission apparatus

Publications (1)

Publication Number Publication Date
ZA9811719B true ZA9811719B (en) 2000-06-27

Family

ID=10824199

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9811719A ZA9811719B (en) 1997-12-24 1998-12-21 Drive mechanism for infinitely variable transmission.

Country Status (13)

Country Link
US (1) US6312356B1 (fr)
EP (1) EP1042623B1 (fr)
JP (1) JP4372997B2 (fr)
KR (1) KR100604701B1 (fr)
CN (1) CN1157546C (fr)
AU (1) AU1499299A (fr)
CA (1) CA2312984C (fr)
DE (1) DE69804139T2 (fr)
ES (1) ES2170540T3 (fr)
GB (1) GB9727295D0 (fr)
RU (1) RU2213281C2 (fr)
WO (1) WO1999034133A1 (fr)
ZA (1) ZA9811719B (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9914251D0 (en) 1999-06-18 1999-08-18 Torotrak Dev Ltd Drive mechanism for infinitely variable transmission
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 (fr) * 2002-09-05 2011-06-21 Ecole De Technologie Superieure Commande de cabestan de courroie pour transmission par courroie torique
GB2394518A (en) * 2002-10-23 2004-04-28 Torotrak Dev Ltd Continuously variable ratio transmission unit and method of assembly thereof
US7011600B2 (en) 2003-02-28 2006-03-14 Fallbrook Technologies Inc. Continuously variable transmission
CA2479890A1 (fr) * 2004-09-27 2006-03-27 Samuel Beaudoin Systeme de generatrice a haut rendement et transmission a variation continue pour ce systeme
DK1815165T3 (da) 2004-10-05 2012-06-18 Fallbrook Technologies Inc Trinløst variabel transmission
US7632203B2 (en) 2005-10-28 2009-12-15 Fallbrook Technologies Inc. Electromotive drives
PL1954959T3 (pl) 2005-11-22 2013-10-31 Fallbrook Ip Co Llc Przekładnia bezstopniowa
KR101317329B1 (ko) 2005-12-09 2013-10-15 폴브룩 테크놀로지즈 인크 연속 가변 변속기
EP1811202A1 (fr) 2005-12-30 2007-07-25 Fallbrook Technologies, Inc. Transmission à variation continue
EP2038531A4 (fr) 2006-06-26 2012-01-25 Fallbrook Technologies Inc Transmission à variation continue
JP5151135B2 (ja) * 2006-06-30 2013-02-27 日本精工株式会社 トロイダル型無段変速機および無段変速装置
US8738255B2 (en) 2007-02-01 2014-05-27 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
WO2008100792A1 (fr) 2007-02-12 2008-08-21 Fallbrook Technologies Inc. Transmissions variables en continu et procédés destinés à celles-ci
CN103438207B (zh) 2007-02-16 2016-08-31 福博科技术公司 无限变速式无级变速器、无级变速器及其方法、组件、子组件和部件
CN101720397B (zh) 2007-04-24 2013-01-02 福博科技术公司 电力牵引传动装置
WO2008154437A1 (fr) 2007-06-11 2008-12-18 Fallbrook Technologies Inc. Transmission à variation continue
CN103697120B (zh) 2007-07-05 2017-04-12 福博科技术公司 无级变速器
WO2009065055A2 (fr) 2007-11-16 2009-05-22 Fallbrook Technologies Inc. Unité de commande pour transmission variable
CA2708634C (fr) 2007-12-21 2017-08-01 Fallbrook Technologies Inc. Transmissions automatiques et procedes correspondants
CA2942806C (fr) 2008-02-29 2018-10-23 Fallbrook Intellectual Property Company Llc Transmissions en continu ou variables infiniment et methodes associees
US8317651B2 (en) 2008-05-07 2012-11-27 Fallbrook Intellectual Property Company Llc Assemblies and methods for clamping force generation
US8535199B2 (en) 2008-06-06 2013-09-17 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
CN107246463A (zh) 2008-06-23 2017-10-13 福博科知识产权有限责任公司 无级变速器
WO2010017242A1 (fr) 2008-08-05 2010-02-11 Fallbrook Technologies Inc. Procédés de commande d'une transmission et/ou d'une machine motrice
US8469856B2 (en) 2008-08-26 2013-06-25 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8167759B2 (en) 2008-10-14 2012-05-01 Fallbrook Technologies Inc. Continuously variable transmission
US8535200B2 (en) * 2009-03-17 2013-09-17 General Electric Company Vehicle propulsion system having a continuously variable transmission and method of making same
US20100240491A1 (en) * 2009-03-17 2010-09-23 Parag Vyas System for vehicle propulsion having and method of making same
WO2010120933A1 (fr) 2009-04-16 2010-10-21 Fallbrook Technologies Inc. Ensemble stator et mécanisme de changement de vitesse pour une transmission à variation continue
EP2513514A4 (fr) * 2009-12-16 2013-08-07 Allison Transm Inc Système et procédé pour commander la force de charge finale d'un variateur
EP3477160B1 (fr) 2009-12-16 2021-09-22 Allison Transmission, Inc. Système de détection de défaut de variateur
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
US8401752B2 (en) 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
CN105179672B (zh) * 2009-12-16 2017-07-11 艾里逊变速箱公司 变换器微调系统控制方法和变换器的控制回路
CN102713368B (zh) * 2009-12-16 2016-06-29 艾里逊变速箱公司 用于自动变速器的快速阀致动系统
US8512195B2 (en) 2010-03-03 2013-08-20 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US9228650B2 (en) 2010-08-16 2016-01-05 Allison Transmission, Inc. Gear scheme for infinitely variable transmission
US8888643B2 (en) 2010-11-10 2014-11-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
EP2655938A4 (fr) 2010-12-15 2016-07-27 Allison Transm Inc Programme de soupapes de commutation de variateur pour transmission d'entraînement par traction toroïdale
CA2821956C (fr) 2010-12-15 2018-09-11 Allison Transmission, Inc. Programme de soupape multiplexe de variateur pour transmission d'entrainement par traction toroidale
KR20140045302A (ko) 2010-12-15 2014-04-16 알리손 트랜스미션, 인크. 차량 변속기용 듀얼 펌프 조절기 시스템
JP2012172685A (ja) * 2011-02-17 2012-09-10 Nsk Ltd トロイダル型無段変速機
WO2013112408A1 (fr) 2012-01-23 2013-08-01 Fallbrook Intellectual Property Company Llc Transmissions infiniment variables, procédés de transmissions variables en continu, ensembles, sous-ensembles, et composants à cet effet
WO2013115396A1 (fr) * 2012-02-03 2013-08-08 日本精工株式会社 Transmission à variation continue de type toroïdal
KR102433297B1 (ko) 2013-04-19 2022-08-16 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 무단 변속기
US10047861B2 (en) 2016-01-15 2018-08-14 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
KR102364407B1 (ko) 2016-03-18 2022-02-16 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 무단 변속기 시스템 및 방법
US10023266B2 (en) 2016-05-11 2018-07-17 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmissions
TWI610038B (zh) * 2017-02-07 2018-01-01 Motive Power Industry Co Ltd 無段變速環座驅動機構
US11215268B2 (en) 2018-11-06 2022-01-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11174922B2 (en) 2019-02-26 2021-11-16 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US2157066A (en) * 1933-08-23 1939-05-02 Mildred S Reisman Power transmission mechanism
GB431199A (en) * 1933-12-28 1935-06-28 John Leslie Cloudsley Improvements relating to variable speed power transmission mechanism
GB436363A (en) * 1934-01-10 1935-10-10 John Leslie Cloudsley Improvements relating to variable speed power transmission mechanism
US2152796A (en) * 1935-03-13 1939-04-04 Erban Patents Corp Variable speed transmission
US2984118A (en) * 1956-09-11 1961-05-16 Nat Res Dev Infinitely variable change speed gears
BE629125A (fr) * 1961-03-08
FR2643123A1 (fr) * 1988-05-13 1990-08-17 Solo Variateur de vitesse a poulies de diametre variable reunies par un lien tel que courroie ou chaine, sans glissement pour la transmission de couples eleves
JPH0823386B2 (ja) 1989-09-26 1996-03-06 日産自動車株式会社 摩擦車式無段変速機
US5368529A (en) 1992-06-29 1994-11-29 Nsk Ltd. Toroidal type continuously variable transmission

Also Published As

Publication number Publication date
KR20010033566A (ko) 2001-04-25
EP1042623B1 (fr) 2002-03-06
US6312356B1 (en) 2001-11-06
CN1157546C (zh) 2004-07-14
CA2312984C (fr) 2007-04-17
AU1499299A (en) 1999-07-19
DE69804139D1 (de) 2002-04-11
CA2312984A1 (fr) 1999-07-08
JP2002500325A (ja) 2002-01-08
DE69804139T2 (de) 2002-08-01
JP4372997B2 (ja) 2009-11-25
KR100604701B1 (ko) 2006-07-28
GB9727295D0 (en) 1998-02-25
CN1283258A (zh) 2001-02-07
ES2170540T3 (es) 2002-08-01
EP1042623A1 (fr) 2000-10-11
WO1999034133A1 (fr) 1999-07-08
RU2213281C2 (ru) 2003-09-27

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