CA2677579A1 - Continuously variable transmission - Google Patents

Continuously variable transmission Download PDF

Info

Publication number
CA2677579A1
CA2677579A1 CA002677579A CA2677579A CA2677579A1 CA 2677579 A1 CA2677579 A1 CA 2677579A1 CA 002677579 A CA002677579 A CA 002677579A CA 2677579 A CA2677579 A CA 2677579A CA 2677579 A1 CA2677579 A1 CA 2677579A1
Authority
CA
Canada
Prior art keywords
transmission
variator
coupled
output
ratio
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
CA002677579A
Other languages
English (en)
French (fr)
Inventor
Philip Duncan Winter
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 CA2677579A1 publication Critical patent/CA2677579A1/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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Friction Gearing (AREA)
  • Structure Of Transmissions (AREA)
CA002677579A 2007-02-21 2008-02-07 Continuously variable transmission Abandoned CA2677579A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0703351.7 2007-02-21
GBGB0703351.7A GB0703351D0 (en) 2007-02-21 2007-02-21 Continuously variable transmission
PCT/GB2008/050075 WO2008102167A1 (en) 2007-02-21 2008-02-07 Continuously variable transmission

Publications (1)

Publication Number Publication Date
CA2677579A1 true CA2677579A1 (en) 2008-08-28

Family

ID=37909005

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002677579A Abandoned CA2677579A1 (en) 2007-02-21 2008-02-07 Continuously variable transmission

Country Status (13)

Country Link
US (1) US8617020B2 (cg-RX-API-DMAC7.html)
EP (1) EP2113056B1 (cg-RX-API-DMAC7.html)
JP (1) JP5437817B2 (cg-RX-API-DMAC7.html)
KR (1) KR101556917B1 (cg-RX-API-DMAC7.html)
CN (1) CN101617146B (cg-RX-API-DMAC7.html)
BR (1) BRPI0807144A2 (cg-RX-API-DMAC7.html)
CA (1) CA2677579A1 (cg-RX-API-DMAC7.html)
ES (1) ES2391685T3 (cg-RX-API-DMAC7.html)
GB (1) GB0703351D0 (cg-RX-API-DMAC7.html)
MX (1) MX2009008173A (cg-RX-API-DMAC7.html)
RU (1) RU2482354C2 (cg-RX-API-DMAC7.html)
WO (1) WO2008102167A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA200905336B (cg-RX-API-DMAC7.html)

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ATE533969T1 (de) * 2007-10-02 2011-12-15 Zahnradfabrik Friedrichshafen Leistungsverzweigungsgetriebe
IT1399004B1 (it) 2009-06-25 2013-03-28 Girotto Variatore di velocita' a rapporto di trasmissione variabile con continuita'
US9303733B2 (en) * 2009-07-20 2016-04-05 Differential Dynamics Corporation Three variable and four variable transgear assemblies
IT1394930B1 (it) * 2009-07-22 2012-07-27 Girotto Trasmissione a variazione continua della velocità
IT1396254B1 (it) * 2009-09-01 2012-11-16 Galassi Variatore continuo del rapporto di trasmissione per generatori eolici ed altre applicazioni.
WO2012145821A1 (en) * 2011-04-28 2012-11-01 Transmission Cvtcorp Inc. Drivetrain provided with a cvt
US9347532B2 (en) 2012-01-19 2016-05-24 Dana Limited Tilting ball variator continuously variable transmission torque vectoring device
WO2013123117A1 (en) 2012-02-15 2013-08-22 Dana Limited Transmission and driveline having a tilting ball variator continuously variable transmission
GB201214316D0 (en) 2012-08-10 2012-09-26 Torotrak Dev Ltd Infinitely-variable transmission for a vehicle
EP2893219A4 (en) 2012-09-06 2016-12-28 Dana Ltd TRANSMISSION HAVING CONTINUOUS OR INFINITELY VARIABLE VARIATOR DRIVE
US9353842B2 (en) 2012-09-07 2016-05-31 Dana Limited Ball type CVT with powersplit paths
JP6293148B2 (ja) * 2012-09-07 2018-03-14 デーナ リミテッド 直接駆動モードを含むボール式ｃｖｔ
JP6247690B2 (ja) 2012-09-07 2017-12-13 デーナ リミテッド 出力連結動力経路を有するボール式ｃｖｔ
US9689477B2 (en) 2012-09-07 2017-06-27 Dana Limited Ball type continuously variable transmission/infinitely variable transmission
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
US9052000B2 (en) 2012-09-07 2015-06-09 Dana Limited Ball type CVT/IVT including planetary gear sets
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
EP2971860A4 (en) 2013-03-14 2016-12-28 Dana Ltd CONTINUOUS VARIATION TRANSMISSION AND CONTINUOUS VARIATION TRANSMISSION VARIATOR DRIVE
WO2014159755A2 (en) 2013-03-14 2014-10-02 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
DE102013220167A1 (de) * 2013-10-07 2015-04-09 Zf Friedrichshafen Ag Getriebevorrichtung eines Fahrzeuges mit einem Summiergetriebe
WO2015073887A1 (en) 2013-11-18 2015-05-21 Dana Limited Infinite variable transmission with planetary gear set
WO2015073948A2 (en) 2013-11-18 2015-05-21 Dana Limited Torque peak detection and control mechanism for cvp
US9512911B2 (en) 2014-10-17 2016-12-06 Allison Transmission, Inc. Split power continuously variable transmission architecture incorporating a planetary type ball variator with multiple fixed ranges
US9651127B2 (en) 2014-10-17 2017-05-16 Allison Transmission, Inc. Split power infinitely variable transmission architecture incorporating a planetary type ball variator with low part count
US9382988B2 (en) * 2014-10-17 2016-07-05 Allison Transmission, Inc. Split power infinitely variable transmission architecture incorporating a planetary type ball variator with multiple fixed ranges
US9772017B2 (en) 2014-10-17 2017-09-26 Allison Transmission, Inc. Split power infinitely variable transmission architecture incorporating a planetary type ball variator with low variator loading at vehicle launch
US9644721B2 (en) 2014-10-17 2017-05-09 Allison Transmission, Inc. Split power infinitely variable transmission architecture incorporating a planetary type ball variator with multiple fixed ranges and low variator load at vehicle launch
US9644724B2 (en) 2014-10-17 2017-05-09 Allison Transmission, Inc. Split power infinitely variable transmission architecture incorporating a planetary type ball variator with multiple fixed ranges
US10030594B2 (en) 2015-09-18 2018-07-24 Dana Limited Abuse mode torque limiting control method for a ball-type continuously variable transmission
EP3879134B1 (en) * 2020-03-13 2023-11-15 Volvo Car Corporation Transmission arrangement with torque vectoring

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GB8424525D0 (en) * 1984-09-28 1984-11-07 Leyland Vehicles Variable transmission
GB8429823D0 (en) 1984-11-26 1985-01-03 Leyland Vehicles Continuously variable transmission
DE4327435B4 (de) 1992-07-06 2008-10-16 Volkswagen Ag Getriebeanordnung für Fahrzeuge
GB9300862D0 (en) * 1993-01-18 1993-03-10 Fellows Thomas G Improvements in or relating to transmissions of the toroidal-race,rolling-traction type
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DE19703544A1 (de) * 1997-01-31 1998-08-06 Zahnradfabrik Friedrichshafen Reibradgetriebe
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JP4626371B2 (ja) * 2005-04-11 2011-02-09 株式会社エクォス・リサーチ 無段変速機
JP4506541B2 (ja) * 2005-04-11 2010-07-21 株式会社エクォス・リサーチ 無段変速機
JP4635744B2 (ja) * 2005-06-28 2011-02-23 株式会社エクォス・リサーチ 無段変速機
JP4613715B2 (ja) * 2005-06-28 2011-01-19 株式会社エクォス・リサーチ 無段変速機
JP4661410B2 (ja) * 2005-07-07 2011-03-30 株式会社エクォス・リサーチ 無段変速機
GB0717143D0 (en) * 2007-09-04 2007-10-17 Torotrak Dev Ltd Continuously variable transmission
GB2470717B (en) * 2009-05-19 2015-04-22 Torotrak Dev Ltd Continuously variable ratio transmission

Also Published As

Publication number Publication date
EP2113056A1 (en) 2009-11-04
EP2113056B1 (en) 2012-07-18
ES2391685T3 (es) 2012-11-29
WO2008102167A1 (en) 2008-08-28
KR101556917B1 (ko) 2015-10-05
US8617020B2 (en) 2013-12-31
CN101617146A (zh) 2009-12-30
JP2010519481A (ja) 2010-06-03
KR20090115807A (ko) 2009-11-06
RU2009134990A (ru) 2011-03-27
US20100144482A1 (en) 2010-06-10
MX2009008173A (es) 2009-08-18
JP5437817B2 (ja) 2014-03-12
GB0703351D0 (en) 2007-03-28
RU2482354C2 (ru) 2013-05-20
CN101617146B (zh) 2012-10-31
BRPI0807144A2 (pt) 2014-04-08
ZA200905336B (en) 2010-10-27

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130207

FZDE Discontinued

Effective date: 20160209