DE3264780D1 - Continuously-variable-ratio transmission - Google Patents
Continuously-variable-ratio transmissionInfo
- Publication number
- DE3264780D1 DE3264780D1 DE8282305393T DE3264780T DE3264780D1 DE 3264780 D1 DE3264780 D1 DE 3264780D1 DE 8282305393 T DE8282305393 T DE 8282305393T DE 3264780 T DE3264780 T DE 3264780T DE 3264780 D1 DE3264780 D1 DE 3264780D1
- Authority
- DE
- Germany
- Prior art keywords
- variable
- continuously
- ratio transmission
- transmission
- 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.)
- Expired
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
- 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
- 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
- F16H2015/383—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 with two or more sets of toroid gearings arranged in parallel
-
- 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
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
- F16H61/068—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means using an orifice control valve
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08132125A GB2108600A (en) | 1981-10-24 | 1981-10-24 | Continuously-variable-ratio transmisson |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3264780D1 true DE3264780D1 (en) | 1985-08-22 |
Family
ID=10525381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282305393T Expired DE3264780D1 (en) | 1981-10-24 | 1982-10-11 | Continuously-variable-ratio transmission |
Country Status (6)
Country | Link |
---|---|
US (1) | US4524641A (de) |
EP (1) | EP0078125B1 (de) |
JP (1) | JPS58131461A (de) |
DE (1) | DE3264780D1 (de) |
DK (1) | DK469882A (de) |
GB (1) | GB2108600A (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4526051A (en) * | 1983-03-18 | 1985-07-02 | Excelermatic Inc. | Infinitely variable traction roller transmission speed control arrangement |
GB8320608D0 (en) * | 1983-07-30 | 1983-09-01 | Leyland Vehicles | Hydraulic control system |
US4885949A (en) * | 1988-03-14 | 1989-12-12 | Barber Jr John S | Continuously variable or fixed ratio velocity transmission mechanism |
GB8818518D0 (en) * | 1988-08-04 | 1988-09-07 | Robinson L K | Improvements in/relating to ram units in transmission of toroidal race rolling traction type |
GB8819430D0 (en) * | 1988-08-16 | 1988-09-21 | Greenwood C J | Improvements in/relating to hydraulic control circuits for continuously-variable-ratio transmissions |
IN176702B (de) * | 1988-11-21 | 1996-08-24 | Torotrak Dev Ltd | |
JPH07113410B2 (ja) * | 1988-12-16 | 1995-12-06 | 日産自動車株式会社 | トロイダル型無段変速機 |
JP2734583B2 (ja) * | 1988-12-16 | 1998-03-30 | 日産自動車株式会社 | 無段変速機の変速制御装置 |
GB8924816D0 (en) * | 1989-11-03 | 1989-12-20 | Greenwood Christopher J | Improvements in or relating to continuously-variable-ratio transmissions of the toroidal-race rolling-traction type |
GB9005969D0 (en) * | 1990-03-16 | 1990-05-09 | Lambert David R | Improvements in or relating to hydraulic control systems |
GB9015438D0 (en) * | 1990-07-13 | 1990-08-29 | Fellows Thomas G | Improvements in or relating to transmissions of the toroidal-race rolling-traction type |
GB2312257A (en) * | 1996-04-19 | 1997-10-22 | Torotrak Dev Ltd | Toroidal race variator control system varies end loading according to net pres sure |
US6030310A (en) * | 1996-04-19 | 2000-02-29 | Torotrak (Development) Limited | Variator control system |
US6077185A (en) * | 1996-10-14 | 2000-06-20 | Nissan Motor Co., Ltd. | Toroidal type continuously variable transmission |
US5980421A (en) * | 1997-04-22 | 1999-11-09 | Nsk Ltd. | Toroidal type continuously variable transmission |
JP2000046135A (ja) * | 1998-07-28 | 2000-02-18 | Nissan Motor Co Ltd | トロイダル型無段変速機の変速制御装置 |
GB2369164A (en) | 2000-11-16 | 2002-05-22 | Torotrak Dev Ltd | Hydraulic control of a continuously-variable ratio transmission |
EP1273833A1 (de) * | 2001-07-05 | 2003-01-08 | Torotrak (Development) Limited | Hydraulische Steuereinrichtung für ein stufenloses Getriebe |
EP1392990B1 (de) * | 2001-05-01 | 2005-08-31 | Torotrak (Development) Limited | Hydraulischer steuerkreis für ein stufenlos verstellbares getriebe |
GB0113523D0 (en) * | 2001-06-04 | 2001-07-25 | Torotrak Dev Ltd | An Hydraulic control circuit for a continuosly variable transmission |
GB0201628D0 (en) * | 2002-01-24 | 2002-03-13 | Torotrak Dev Ltd | Improvements relating to continuously variable transmissions |
US6821025B2 (en) * | 2002-07-18 | 2004-11-23 | Westover Scientific, Inc. | Fiber-optic endface cleaning assembly and method |
GB0308214D0 (en) | 2003-04-09 | 2003-05-14 | Torotrak Dev Ltd | Transmission of the toroidal race rolling traction type |
DE102017011895A1 (de) * | 2017-12-21 | 2019-06-27 | Wabco Gmbh | Kolben-Zylinder-Anordnung |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3142189A (en) * | 1963-02-20 | 1964-07-28 | Curtiss Wright Corp | Ratio control for toroidal transmission |
GB1032004A (en) * | 1964-05-01 | 1966-06-08 | Nat Res Dev | Improvements in or relating to toric race transmission units |
US3570317A (en) * | 1969-01-08 | 1971-03-16 | Excelermatic | Traction drive apparatus and control system |
US3739658A (en) * | 1971-06-07 | 1973-06-19 | Gen Motors Corp | Transmission |
GB1392450A (en) * | 1971-07-27 | 1975-04-30 | Rotax Ltd | Variable-ratio friction drive gears |
US3828618A (en) * | 1971-07-27 | 1974-08-13 | Rotax Ltd | Constant speed hydraulically controlled toric transmission with concentric, two piston valve, governor and constant ratio means |
GB1392440A (en) * | 1971-07-27 | 1975-04-30 | Rotax Ltd | Variable-ratio frictional drive gears |
GB1367525A (en) * | 1971-12-08 | 1974-09-18 | Gkn Transmissions Ltd | Variable ratio traction drive |
GB1600973A (en) * | 1976-08-14 | 1981-10-21 | Lucas Industries Ltd | Variable speed transmission systems |
FR2419266A1 (fr) * | 1978-03-09 | 1979-10-05 | Dynamit Nobel Ag | Procede pour eliminer les impuretes des phenols chlores |
US4272999A (en) * | 1978-04-11 | 1981-06-16 | National Research Development Corporation | Fluid pressure operated actuator |
DE2961754D1 (en) * | 1978-05-31 | 1982-02-25 | British Leyland Cars Ltd | Control circuit for a continuously variable ratio transmission |
GB2023753B (en) * | 1978-06-23 | 1982-12-22 | Brie Perry F G De | Control systems for steplessly-varibale ratio transmissions |
US4275610A (en) * | 1979-02-08 | 1981-06-30 | Excelermatic Inc. | Infinitely variable traction roller transmission |
-
1981
- 1981-10-24 GB GB08132125A patent/GB2108600A/en not_active Withdrawn
-
1982
- 1982-10-11 DE DE8282305393T patent/DE3264780D1/de not_active Expired
- 1982-10-11 EP EP82305393A patent/EP0078125B1/de not_active Expired
- 1982-10-22 US US06/436,052 patent/US4524641A/en not_active Expired - Fee Related
- 1982-10-22 DK DK469882A patent/DK469882A/da not_active Application Discontinuation
- 1982-10-23 JP JP57186654A patent/JPS58131461A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DK469882A (da) | 1983-04-25 |
JPH0147668B2 (de) | 1989-10-16 |
JPS58131461A (ja) | 1983-08-05 |
US4524641A (en) | 1985-06-25 |
EP0078125B1 (de) | 1985-07-17 |
EP0078125A1 (de) | 1983-05-04 |
GB2108600A (en) | 1983-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU552791B2 (en) | Transmission | |
DE3264780D1 (en) | Continuously-variable-ratio transmission | |
GB2092686B (en) | Transmissions | |
AU8120982A (en) | Transmission | |
DE3265212D1 (en) | Mechanical-electromagnetic clutch | |
DE3270250D1 (en) | Semi-blocked transmission | |
DE3260317D1 (en) | Transmission chain | |
AU534321B2 (en) | Transmission | |
GB2152163B (en) | Transmission | |
DE3272245D1 (en) | Rotary transmission | |
GB2099091B (en) | Transmission mechanism | |
JPS56127842A (en) | Transmission | |
JPS57186632A (en) | Clutch | |
AR243653A1 (es) | Una disposicion hidraulica que tiene una bomba de desplazamiento variable. | |
JPS57130579A (en) | Selector | |
AU529732B2 (en) | Transmission | |
JPS56127841A (en) | Transmission | |
JPS57186633A (en) | Clutch | |
JPS56101444A (en) | Transmission | |
GB2100384B (en) | Rotary transmission | |
JPS57186660A (en) | Transmission gear | |
DE3175973D1 (en) | Planetary transmission | |
DE3261121D1 (en) | Reversible transmission | |
DE3263022D1 (en) | Load-shiftable transmission | |
ZA825385B (en) | Power transmission |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON, G., DIPL.-ING. DR.-ING. HIRSCH, P., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
8364 | No opposition during term of opposition |