CA2529885A1 - Continuously variable ratio transmission system - Google Patents

Continuously variable ratio transmission system Download PDF

Info

Publication number
CA2529885A1
CA2529885A1 CA002529885A CA2529885A CA2529885A1 CA 2529885 A1 CA2529885 A1 CA 2529885A1 CA 002529885 A CA002529885 A CA 002529885A CA 2529885 A CA2529885 A CA 2529885A CA 2529885 A1 CA2529885 A1 CA 2529885A1
Authority
CA
Canada
Prior art keywords
output
gear train
epicyclic gear
output shaft
variator
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.)
Abandoned
Application number
CA002529885A
Other languages
English (en)
French (fr)
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
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
Publication of CA2529885A1 publication Critical patent/CA2529885A1/en
Abandoned 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H37/086—CVT using two coaxial friction members cooperating with at least one intermediate friction member
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/088—Power-split transmissions with summing differentials, with the input of the CVT connected or connectable to the input shaft
    • F16H2037/0886—Power-split transmissions with summing differentials, with the input of the CVT connected or connectable to the input shaft with switching means, e.g. to change ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Structure Of Transmissions (AREA)
  • Eye Examination Apparatus (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Control Of Transmission Device (AREA)
CA002529885A 2003-07-01 2004-07-01 Continuously variable ratio transmission system Abandoned CA2529885A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0315408.5A GB0315408D0 (en) 2003-07-01 2003-07-01 Continuously variable ratio transmission system
GB0315408.5 2003-07-01
PCT/GB2004/002841 WO2005003597A1 (en) 2003-07-01 2004-07-01 Continuously variable ratio transmission system

Publications (1)

Publication Number Publication Date
CA2529885A1 true CA2529885A1 (en) 2005-01-13

Family

ID=27676463

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002529885A Abandoned CA2529885A1 (en) 2003-07-01 2004-07-01 Continuously variable ratio transmission system

Country Status (13)

Country Link
US (1) US7530916B2 (enExample)
EP (1) EP1639273B1 (enExample)
JP (1) JP2007516385A (enExample)
KR (1) KR20060034251A (enExample)
CN (1) CN100582528C (enExample)
AT (1) ATE410622T1 (enExample)
BR (1) BRPI0411997A (enExample)
CA (1) CA2529885A1 (enExample)
DE (1) DE602004016997D1 (enExample)
GB (1) GB0315408D0 (enExample)
MX (1) MXPA05014097A (enExample)
RU (1) RU2338938C2 (enExample)
WO (1) WO2005003597A1 (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2487064C (en) * 2002-05-28 2011-01-18 Torotrak (Development) Limited Continuously variable ratio transmission system
JP4720370B2 (ja) * 2005-08-24 2011-07-13 株式会社エクォス・リサーチ 無段変速機
GB0703351D0 (en) 2007-02-21 2007-03-28 Torotrak Dev Ltd Continuously variable transmission
GB0709635D0 (en) * 2007-05-19 2007-06-27 Valtra Inc Rotation sensing
GB0717143D0 (en) * 2007-09-04 2007-10-17 Torotrak Dev Ltd Continuously variable transmission
US20100240491A1 (en) * 2009-03-17 2010-09-23 Parag Vyas System for vehicle propulsion having and method of making same
US8535200B2 (en) * 2009-03-17 2013-09-17 General Electric Company Vehicle propulsion system having a continuously variable transmission and method of making same
KR20120099777A (ko) 2009-12-16 2012-09-11 알리손 트랜스미션, 인크. 변속수단 잠금 밸브 시스템
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
EP2512892B1 (en) * 2009-12-16 2019-01-09 Allison Transmission, Inc. Variator fault detection system
EP2513523A4 (en) 2009-12-16 2016-07-06 Allison Transm Inc QUICK RELEASE ACTUATION SYSTEM FOR AUTOMATIC GEARBOX
US8401752B2 (en) * 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
EP2513514A4 (en) * 2009-12-16 2013-08-07 Allison Transm Inc SYSTEM AND METHOD FOR CONTROLLING THE END LOADING POWER OF AN ADJUSTER
US8676515B2 (en) 2009-12-16 2014-03-18 Allison Transmission, Inc. System and method for detecting clutch-related faults in an automatic transmission
CA2808424C (en) 2010-08-16 2018-04-17 Allison Transmission, Inc. Gear scheme for infinitely variable transmission
CN103597255B (zh) 2010-12-15 2015-12-16 艾里逊变速箱公司 用于环面牵引驱动变速器的变速机构切换阀方案
CN103370562B (zh) 2010-12-15 2016-03-23 艾里逊变速箱公司 用于控制到自动变速器中变速机构的流体流的设备和方法
CN103370256B (zh) 2010-12-15 2016-08-10 艾里逊变速箱公司 用于机动车变速器的双泵调节系统
AU2012240435B2 (en) 2011-04-04 2016-04-28 Fallbrook Intellectual Property Company Llc Auxiliary power unit having a continuously variable transmission
WO2013052425A2 (en) 2011-10-03 2013-04-11 Fallbrook Intellectual Property Company Llc Refrigeration system having a continuously variable transmission
US9347532B2 (en) 2012-01-19 2016-05-24 Dana Limited Tilting ball variator continuously variable transmission torque vectoring device
US8579753B2 (en) * 2012-02-10 2013-11-12 GM Global Technology Operations LLC Compound planetary front wheel drive continuously variable transmission
US9541179B2 (en) 2012-02-15 2017-01-10 Dana Limited Transmission and driveline having a tilting ball variator continuously variable transmission
US9556941B2 (en) 2012-09-06 2017-01-31 Dana Limited Transmission having a continuously or infinitely variable variator drive
EP2893220A4 (en) 2012-09-07 2016-12-28 Dana Ltd CONTINUOUS BALL VARIATION TRANSMISSION WITH DIRECT DRIVE MODE
CN104769328B (zh) 2012-09-07 2017-08-25 德纳有限公司 包括行星齿轮组的球型cvt/ivt
CN104755812A (zh) 2012-09-07 2015-07-01 德纳有限公司 包括动力分流路径的基于球型cvp的ivt
US9353842B2 (en) 2012-09-07 2016-05-31 Dana Limited Ball type CVT with powersplit paths
US9599204B2 (en) 2012-09-07 2017-03-21 Dana Limited Ball type CVT with output coupled powerpaths
JP6247691B2 (ja) 2012-09-07 2017-12-13 デーナ リミテッド ボール式連続可変トランスミッション／無段可変トランスミッション
WO2014078583A1 (en) * 2012-11-17 2014-05-22 Dana Limited Continuously variable transmission
WO2014124063A1 (en) 2013-02-08 2014-08-14 Microsoft Corporation Pervasive service providing device-specific updates
US9551404B2 (en) 2013-03-14 2017-01-24 Dana Limited Continuously variable transmission and an infinitely variable transmission variator drive
US9689482B2 (en) 2013-03-14 2017-06-27 Dana Limited Ball type continuously variable transmission
WO2014197711A1 (en) 2013-06-06 2014-12-11 Dana Limited 3-mode front wheel drive and rear wheel drive continuously variable planetary transmission
US10088022B2 (en) 2013-11-18 2018-10-02 Dana Limited Torque peak detection and control mechanism for a CVP
WO2015073883A1 (en) 2013-11-18 2015-05-21 Dana Limited Infinite variable transmission with planetary gear set
US10030594B2 (en) 2015-09-18 2018-07-24 Dana Limited Abuse mode torque limiting control method for a ball-type continuously variable transmission
WO2017145178A1 (en) * 2016-02-23 2017-08-31 B R Girish Continuously variable transmission system using differential and brake

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9026830D0 (en) * 1990-12-11 1991-01-30 Fellows Thomas G Improvements in or relating to continuously-variable-ratio transmissions of toroidal-race rolling-traction type
GB9300862D0 (en) * 1993-01-18 1993-03-10 Fellows Thomas G Improvements in or relating to transmissions of the toroidal-race,rolling-traction type
DE19703544A1 (de) * 1997-01-31 1998-08-06 Zahnradfabrik Friedrichshafen Reibradgetriebe
JP3702597B2 (ja) * 1997-08-12 2005-10-05 日本精工株式会社 トロイダル形無段変速装置
JP3697860B2 (ja) * 1997-10-07 2005-09-21 日本精工株式会社 トロイダル形無段変速装置
JP4062809B2 (ja) * 1999-02-03 2008-03-19 日本精工株式会社 無段変速機
DE10021912A1 (de) * 2000-05-05 2001-11-08 Daimler Chrysler Ag Stufenloses Fahrzeuggetriebe
DE10121042C1 (de) * 2001-04-28 2003-05-08 Daimler Chrysler Ag Wechselgetriebe-Anordnung mit einem stufenlosen Toroidgetriebe und einem Planetenräder-Summengetriebe
CA2487064C (en) * 2002-05-28 2011-01-18 Torotrak (Development) Limited Continuously variable ratio transmission system

Also Published As

Publication number Publication date
EP1639273B1 (en) 2008-10-08
BRPI0411997A (pt) 2006-09-05
US20070042856A1 (en) 2007-02-22
RU2006101863A (ru) 2006-06-10
CN100582528C (zh) 2010-01-20
ATE410622T1 (de) 2008-10-15
GB0315408D0 (en) 2003-08-06
KR20060034251A (ko) 2006-04-21
CN1820155A (zh) 2006-08-16
DE602004016997D1 (de) 2008-11-20
US7530916B2 (en) 2009-05-12
WO2005003597A1 (en) 2005-01-13
JP2007516385A (ja) 2007-06-21
EP1639273A1 (en) 2006-03-29
RU2338938C2 (ru) 2008-11-20
MXPA05014097A (es) 2006-03-17

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued