GB0301536D0 - Continuously variable ratio transmission system - Google Patents

Continuously variable ratio transmission system

Info

Publication number
GB0301536D0
GB0301536D0 GB0301536A GB0301536A GB0301536D0 GB 0301536 D0 GB0301536 D0 GB 0301536D0 GB 0301536 A GB0301536 A GB 0301536A GB 0301536 A GB0301536 A GB 0301536A GB 0301536 D0 GB0301536 D0 GB 0301536D0
Authority
GB
United Kingdom
Prior art keywords
transmission system
continuously variable
variable ratio
ratio transmission
continuously
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.)
Withdrawn
Application number
GB0301536A
Other versions
GB2397630A (en
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
Priority to GB0301536A priority Critical patent/GB2397630A/en
Publication of GB0301536D0 publication Critical patent/GB0301536D0/en
Publication of GB2397630A publication Critical patent/GB2397630A/en
Withdrawn legal-status Critical Current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
    • 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 variators with summing differentials, with the input of the CVT connected or connectable to the input shaft
    • F16H2037/0886—Power split variators 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)
GB0301536A 2003-01-23 2003-01-23 A multi-regime CVT system with coaxial input and output shafts Withdrawn GB2397630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0301536A GB2397630A (en) 2003-01-23 2003-01-23 A multi-regime CVT system with coaxial input and output shafts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0301536A GB2397630A (en) 2003-01-23 2003-01-23 A multi-regime CVT system with coaxial input and output shafts

Publications (2)

Publication Number Publication Date
GB0301536D0 true GB0301536D0 (en) 2003-02-26
GB2397630A GB2397630A (en) 2004-07-28

Family

ID=9951651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0301536A Withdrawn GB2397630A (en) 2003-01-23 2003-01-23 A multi-regime CVT system with coaxial input and output shafts

Country Status (1)

Country Link
GB (1) GB2397630A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179672B (en) 2009-12-16 2017-07-11 艾里逊变速箱公司 The control loop of converter micro-tensioning system control method and converter
US8401752B2 (en) 2009-12-16 2013-03-19 Allison Transmission, Inc. Fail-to-neutral system and method for a toroidal traction drive automatic transmission
WO2011075427A1 (en) 2009-12-16 2011-06-23 Allison Transmission, Inc. System and method for controlling endload force of a variator
CA2784373C (en) 2009-12-16 2017-11-07 Allison Transmission, Inc. Fast valve actuation system for an automatic transmission
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
WO2011075243A1 (en) 2009-12-16 2011-06-23 Allison Transmission, Inc. Variator fault detection system
KR20130131314A (en) 2010-08-16 2013-12-03 알리손 트랜스미션, 인크. Gear scheme for infinitely variable transmission
KR20140045302A (en) 2010-12-15 2014-04-16 알리손 트랜스미션, 인크. Dual pump regulator system for a motor vehicle transmission
US8721494B2 (en) 2010-12-15 2014-05-13 Allison Transmission, Inc. Variator multiplex valve scheme for a torroidal traction drive transmision
WO2012082845A2 (en) 2010-12-15 2012-06-21 Long Charles F Variator switching valve scheme for a torroidal traction drive transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043184B1 (en) * 1980-05-31 1985-02-20 Bl Technology Limited Control systems for continuously variable ratio transmissions
GB8332237D0 (en) * 1983-12-02 1984-01-11 Leyland Vehicles Transmission system
US6099431A (en) * 1999-05-06 2000-08-08 Ford Global Technologies, Inc. Method for operating a traction drive automatic transmission for automotive vehicles
US6358178B1 (en) * 2000-07-07 2002-03-19 General Motors Corporation Planetary gearing for a geared neutral traction drive

Also Published As

Publication number Publication date
GB2397630A (en) 2004-07-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)