GB0904809D0 - Continuously variable transmission - Google Patents

Continuously variable transmission

Info

Publication number
GB0904809D0
GB0904809D0 GBGB0904809.1A GB0904809A GB0904809D0 GB 0904809 D0 GB0904809 D0 GB 0904809D0 GB 0904809 A GB0904809 A GB 0904809A GB 0904809 D0 GB0904809 D0 GB 0904809D0
Authority
GB
United Kingdom
Prior art keywords
continuously variable
variable transmission
continuously
transmission
variable
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.)
Granted
Application number
GBGB0904809.1A
Other versions
GB2455030B (en
GB2455030A (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
Publication of GB0904809D0 publication Critical patent/GB0904809D0/en
Publication of GB2455030A publication Critical patent/GB2455030A/en
Application granted granted Critical
Publication of GB2455030B publication Critical patent/GB2455030B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/664—Friction gearings
    • F16H61/6649—Friction gearings characterised by the means for controlling the torque transmitting capability of the gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18027—Drive off, accelerating from standstill
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/664—Friction gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/02—Clutches
    • B60W2710/027—Clutch torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/10—Change speed gearings
    • B60W2710/105—Output torque
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H2061/6604—Special control features generally applicable to continuously variable gearings
    • F16H2061/661—Conjoint control of CVT and drive clutch
    • 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
    • F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Friction Gearing (AREA)
  • Control Of Transmission Device (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
GB0904809A 2006-09-26 2007-09-24 Continuously variable transmission Active GB2455030B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0618929.4A GB0618929D0 (en) 2006-09-26 2006-09-26 Continuously variable transmission
PCT/GB2007/050578 WO2008038043A2 (en) 2006-09-26 2007-09-24 Continuously variable transmission

Publications (3)

Publication Number Publication Date
GB0904809D0 true GB0904809D0 (en) 2009-05-06
GB2455030A GB2455030A (en) 2009-06-03
GB2455030B GB2455030B (en) 2011-04-20

Family

ID=37434678

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0618929.4A Pending GB0618929D0 (en) 2006-09-26 2006-09-26 Continuously variable transmission
GB0904809A Active GB2455030B (en) 2006-09-26 2007-09-24 Continuously variable transmission

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0618929.4A Pending GB0618929D0 (en) 2006-09-26 2006-09-26 Continuously variable transmission

Country Status (6)

Country Link
JP (4) JP2010505074A (en)
KR (2) KR101440848B1 (en)
CN (1) CN101535110B (en)
DE (1) DE112007002280B4 (en)
GB (2) GB0618929D0 (en)
WO (1) WO2008038043A2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5071239B2 (en) * 2008-05-16 2012-11-14 トヨタ自動車株式会社 Toroidal-type continuously variable transmission and synchronization method of its power roller
CN102713351B (en) 2009-12-16 2016-06-29 艾里逊变速箱公司 For controlling the system and method for gear end load forces
EP2513523A4 (en) 2009-12-16 2016-07-06 Allison Transm Inc Fast valve actuation system for an 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
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
CA2784375C (en) 2009-12-16 2017-10-31 Allison Transmission, Inc. Variator lockout valve system
EP2512892B1 (en) 2009-12-16 2019-01-09 Allison Transmission, Inc. Variator fault detection system
GB2478003B (en) * 2010-02-23 2012-07-25 Torotrak Dev Ltd Variator traction control arrangement
EP2606258B1 (en) 2010-08-16 2020-08-05 Allison Transmission, Inc. Gear scheme for infinitely variable transmission
AU2011343830B2 (en) 2010-12-15 2016-11-03 Allison Transmission, Inc. Variator multiplex valve scheme for a toroidal traction drive transmission
CN103597255B (en) 2010-12-15 2015-12-16 艾里逊变速箱公司 For the gear switching valve scheme of anchor ring traction drive speed changer
CN103370256B (en) 2010-12-15 2016-08-10 艾里逊变速箱公司 Double pump for vehicle transmission regulates system
GB201200357D0 (en) 2012-01-10 2012-02-22 Torotrak Dev Ltd Variator
GB2514294B (en) * 2012-01-23 2016-01-20 Torotrak Dev Ltd Variator
GB201201068D0 (en) 2012-01-23 2012-03-07 Torotrak Dev Ltd Variator
DE102013200843A1 (en) * 2012-02-14 2013-08-14 Schaeffler Technologies AG & Co. KG Multi-range CVT
DE102012221477B4 (en) 2012-11-23 2023-08-03 Zf Friedrichshafen Ag Method for operating a vehicle drive train during a start-up process
GB2510749B (en) 2013-02-13 2015-09-02 Torotrak Dev Ltd Drive arrangement for an engine ancillary such as a supercharger
CN105874241A (en) * 2013-11-29 2016-08-17 托罗特拉克(开发)有限公司 Toroidal variator
EP2955074B1 (en) 2014-06-13 2020-11-04 Perkins Engines Company Limited A variator-assisted transmission and launch control methods for such a transmission
CN105156658B (en) * 2015-09-09 2017-10-24 梁稚子 Battery-operated motor cycle inner rotor motor pendulum-type self-adapting automatic gear shift drive assembly
CN105221734B (en) * 2015-09-09 2018-04-03 梁稚子 Battery-operated motor cycle external rotor electric machine pendulum-type self-adapting automatic gear shift drive assembly
CA3027365A1 (en) 2016-06-13 2017-12-21 Joe G. Villarreal Transmission assembly and method
CN109883598B (en) * 2019-04-15 2021-06-04 中车株洲电力机车有限公司 Method for detecting traction force of rail locomotive

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171556A (en) * 1986-01-24 1987-07-28 Daihatsu Motor Co Ltd Emergency start controlling method for continuously variable transmission
JPS62233556A (en) * 1986-04-02 1987-10-13 Nippon Seiko Kk Dual-cavity type toroidal continuously variable transmission
JPH0660669B2 (en) * 1986-05-02 1994-08-10 日産自動車株式会社 Toroidal type continuously variable transmission
JPS62283247A (en) * 1986-05-29 1987-12-09 Daihatsu Motor Co Ltd Torque cam device
JP3372285B2 (en) * 1993-04-02 2003-01-27 マツダ株式会社 Toroidal type continuously variable transmission
GB2312258A (en) * 1996-04-19 1997-10-22 Torotrak Dev Ltd CVT control system has regime change clutches controlled independently of variator
JP3632368B2 (en) * 1997-04-23 2005-03-23 日本精工株式会社 Toroidal continuously variable transmission
US5980421A (en) * 1997-04-22 1999-11-09 Nsk Ltd. Toroidal type continuously variable transmission
JP3475796B2 (en) 1998-07-24 2003-12-08 日産自動車株式会社 Line pressure control device for automatic transmission
JP3541764B2 (en) * 1999-04-30 2004-07-14 日産自動車株式会社 Toroidal type continuously variable transmission
JP2002106666A (en) * 2000-10-02 2002-04-10 Toyota Motor Corp Continuously variable transmission
JP2002147555A (en) * 2000-11-16 2002-05-22 Nsk Ltd Toroidal type continuously variable transmission
JP2002372113A (en) * 2001-06-14 2002-12-26 Nsk Ltd Toroidal type continuously variable transmission
ATE344409T1 (en) * 2001-08-31 2006-11-15 Torotrak Dev Ltd CONTINUOUSLY VARIABLE TRANSMISSION AND ITS CONTROL METHOD
JP2004036866A (en) * 2002-07-08 2004-02-05 Ebara Corp Hydraulic cylinder and impact relieving adjustment method
GB0300419D0 (en) * 2003-01-09 2003-02-05 Torotrak Dev Ltd Continuously variable transmission and method of controlling regime change therein
GB0326077D0 (en) * 2003-11-07 2003-12-10 Torotrak Dev Ltd Productionised hydraulics
GB0420007D0 (en) 2004-09-09 2004-10-13 Torotrak Dev Ltd A motor vehicle powertrain and a method and apparatus for control thereof

Also Published As

Publication number Publication date
WO2008038043A2 (en) 2008-04-03
CN101535110B (en) 2014-04-09
JP2018200115A (en) 2018-12-20
GB0618929D0 (en) 2006-11-08
KR101440848B1 (en) 2014-11-03
DE112007002280T5 (en) 2009-08-13
CN101535110A (en) 2009-09-16
GB2455030B (en) 2011-04-20
WO2008038043A3 (en) 2008-05-15
DE112007002280B4 (en) 2019-03-21
GB2455030A (en) 2009-06-03
KR20140063777A (en) 2014-05-27
JP6926379B2 (en) 2021-08-25
JP2017062039A (en) 2017-03-30
JP2010505074A (en) 2010-02-18
JP2015007481A (en) 2015-01-15
KR20090064590A (en) 2009-06-19

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Legal Events

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Free format text: REGISTERED BETWEEN 20190117 AND 20190123