WO2008038043A3 - Continuously variable transmission - Google Patents
Continuously variable transmission Download PDFInfo
- Publication number
- WO2008038043A3 WO2008038043A3 PCT/GB2007/050578 GB2007050578W WO2008038043A3 WO 2008038043 A3 WO2008038043 A3 WO 2008038043A3 GB 2007050578 W GB2007050578 W GB 2007050578W WO 2008038043 A3 WO2008038043 A3 WO 2008038043A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- variator
- torque
- launch device
- transmission
- continuously variable
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 6
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)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780041297.4A CN101535110B (en) | 2006-09-26 | 2007-09-24 | Continuously variable transmission |
JP2009529777A JP2010505074A (en) | 2006-09-26 | 2007-09-24 | Continuously variable transmission |
KR1020147009227A KR101440848B1 (en) | 2006-09-26 | 2007-09-24 | Continuously variable transmission |
DE112007002280.9T DE112007002280B4 (en) | 2006-09-26 | 2007-09-24 | Stepless transmission |
GB0904809A GB2455030B (en) | 2006-09-26 | 2007-09-24 | Continuously variable transmission |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0618929.4A GB0618929D0 (en) | 2006-09-26 | 2006-09-26 | Continuously variable transmission |
GB0618929.4 | 2006-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008038043A2 WO2008038043A2 (en) | 2008-04-03 |
WO2008038043A3 true WO2008038043A3 (en) | 2008-05-15 |
Family
ID=37434678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2007/050578 WO2008038043A2 (en) | 2006-09-26 | 2007-09-24 | 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)
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6120413A (en) * | 1998-07-24 | 2000-09-19 | Nissan Motor Co., Ltd. | Line pressure control device for automatic transmission |
US20050043138A1 (en) * | 2001-08-31 | 2005-02-24 | Fuller John William Edward | Continuously variable transmission and method of operation thereof |
WO2005047738A1 (en) * | 2003-11-07 | 2005-05-26 | Torotrak (Development) Limited | Control of the line pressure in a multi-regime continuously variable transmission |
Family Cites Families (15)
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 |
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 |
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 |
GB0420007D0 (en) | 2004-09-09 | 2004-10-13 | Torotrak Dev Ltd | A motor vehicle powertrain and a method and apparatus for control thereof |
-
2006
- 2006-09-26 GB GBGB0618929.4A patent/GB0618929D0/en active Pending
-
2007
- 2007-09-24 CN CN200780041297.4A patent/CN101535110B/en active Active
- 2007-09-24 WO PCT/GB2007/050578 patent/WO2008038043A2/en active Application Filing
- 2007-09-24 KR KR1020147009227A patent/KR101440848B1/en active IP Right Grant
- 2007-09-24 DE DE112007002280.9T patent/DE112007002280B4/en active Active
- 2007-09-24 KR KR1020097008526A patent/KR20090064590A/en not_active Application Discontinuation
- 2007-09-24 GB GB0904809A patent/GB2455030B/en active Active
- 2007-09-24 JP JP2009529777A patent/JP2010505074A/en active Pending
-
2014
- 2014-09-08 JP JP2014182042A patent/JP2015007481A/en active Pending
-
2016
- 2016-11-04 JP JP2016216061A patent/JP2017062039A/en active Pending
-
2018
- 2018-10-01 JP JP2018186440A patent/JP6926379B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6120413A (en) * | 1998-07-24 | 2000-09-19 | Nissan Motor Co., Ltd. | Line pressure control device for automatic transmission |
US20050043138A1 (en) * | 2001-08-31 | 2005-02-24 | Fuller John William Edward | Continuously variable transmission and method of operation thereof |
WO2005047738A1 (en) * | 2003-11-07 | 2005-05-26 | Torotrak (Development) Limited | Control of the line pressure in a multi-regime continuously variable transmission |
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 |
GB0904809D0 (en) | 2009-05-06 |
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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