DE3272498D1 - Improvements in or relating to automatic transmissions - Google Patents
Improvements in or relating to automatic transmissionsInfo
- Publication number
- DE3272498D1 DE3272498D1 DE8282300357T DE3272498T DE3272498D1 DE 3272498 D1 DE3272498 D1 DE 3272498D1 DE 8282300357 T DE8282300357 T DE 8282300357T DE 3272498 T DE3272498 T DE 3272498T DE 3272498 D1 DE3272498 D1 DE 3272498D1
- Authority
- DE
- Germany
- Prior art keywords
- relating
- automatic transmissions
- transmissions
- automatic
- 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
- 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
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
-
- 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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
- F16H2061/0255—Solenoid valve using PWM or duty-cycle control
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/70—Inputs being a function of gearing status dependent on the ratio established
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8104385 | 1981-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3272498D1 true DE3272498D1 (en) | 1986-09-18 |
Family
ID=10519644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282300357T Expired DE3272498D1 (en) | 1981-02-12 | 1982-01-25 | Improvements in or relating to automatic transmissions |
Country Status (9)
Country | Link |
---|---|
US (1) | US4481843A (de) |
EP (1) | EP0058477B1 (de) |
JP (1) | JPS57149650A (de) |
AU (1) | AU547749B2 (de) |
BR (1) | BR8200733A (de) |
DE (1) | DE3272498D1 (de) |
ES (1) | ES8302240A1 (de) |
GB (1) | GB2093134B (de) |
MX (1) | MX151022A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59175664A (ja) * | 1983-03-23 | 1984-10-04 | Fuji Heavy Ind Ltd | 無段変速機の変速制御装置 |
JPS601031A (ja) * | 1983-06-17 | 1985-01-07 | Nissan Motor Co Ltd | 自動車の走行制御装置 |
JPS6044657A (ja) * | 1983-08-19 | 1985-03-09 | Nippon Seiko Kk | 無段変速機の制御装置 |
JPS60174332A (ja) * | 1984-02-16 | 1985-09-07 | Diesel Kiki Co Ltd | 車輛用自動変速装置 |
GB8525096D0 (en) * | 1985-10-11 | 1985-11-13 | Lucas Ind Plc | Speed control unit |
GB2447507A (en) * | 2007-03-16 | 2008-09-17 | Cnh Belgium Nv | A method of engaging a clutch in an agricultural machine |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1281038A (en) * | 1968-10-30 | 1972-07-12 | Nissan Motor | Electronic control system for automotive automatic transmission |
JPS4930051B1 (de) * | 1969-12-22 | 1974-08-09 | ||
JPS4842130B1 (de) * | 1970-03-18 | 1973-12-11 | ||
US3738460A (en) * | 1970-05-27 | 1973-06-12 | Aisin Seiki | Hydraulic released clutch controlled by engine speed and shift switches |
GB1361220A (en) * | 1970-12-27 | 1974-07-24 | Toyota Motor Co Ltd | Vehicle automatic transmission control systems |
JPS4838581B1 (de) * | 1970-12-27 | 1973-11-19 | ||
DE2209447C2 (de) * | 1972-02-29 | 1974-03-14 | Voith Getriebe Kg, 7920 Heidenheim | Hydraulische Schalteinrichtung mit Schaltdruckregelung für ein Lastschaltgetriebe |
US4036083A (en) * | 1974-08-28 | 1977-07-19 | General Motors Corporation | Drive engagement pressure control by trimmer bias control |
DE2456509C3 (de) * | 1974-11-29 | 1978-11-02 | Frieseke & Hoepfner Gmbh, 8520 Erlangen | Elektrische Steuereinrichtung für die Kupplungsbetätigung einer durch Federkraft eingerückt gehaltenen Kupplung eines Kraftfahrzeugs, insbesondere eines Lastkraftfahrzeugs |
US4082009A (en) * | 1976-12-13 | 1978-04-04 | General Motors Corporation | Range shift control by input governor |
EP0003592B2 (de) * | 1978-02-15 | 1985-02-06 | Anglo American Corporation of South Africa Limited | Einrichtung zum automatischen Betätigen eines Schaltgetriebes |
US4350058A (en) * | 1978-09-29 | 1982-09-21 | Borg-Warner Corporation | Transmission control system for multi-ratio gear arrangement |
JPS55135257A (en) * | 1979-04-05 | 1980-10-21 | Nissan Motor Co Ltd | Line pressure controller for automatic speed change gear |
DE3175236D1 (en) * | 1981-01-30 | 1986-10-02 | Automotive Prod Plc | Clutch control means |
-
1982
- 1982-01-25 GB GB8201969A patent/GB2093134B/en not_active Expired
- 1982-01-25 DE DE8282300357T patent/DE3272498D1/de not_active Expired
- 1982-01-25 EP EP82300357A patent/EP0058477B1/de not_active Expired
- 1982-01-28 AU AU79929/82A patent/AU547749B2/en not_active Ceased
- 1982-02-03 MX MX191252A patent/MX151022A/es unknown
- 1982-02-10 US US06/347,463 patent/US4481843A/en not_active Expired - Fee Related
- 1982-02-10 JP JP57020635A patent/JPS57149650A/ja active Pending
- 1982-02-11 BR BR8200733A patent/BR8200733A/pt unknown
- 1982-02-11 ES ES509522A patent/ES8302240A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR8200733A (pt) | 1982-12-21 |
US4481843A (en) | 1984-11-13 |
JPS57149650A (en) | 1982-09-16 |
AU7992982A (en) | 1982-08-19 |
GB2093134A (en) | 1982-08-25 |
GB2093134B (en) | 1985-02-13 |
MX151022A (es) | 1984-09-07 |
EP0058477A2 (de) | 1982-08-25 |
ES509522A0 (es) | 1982-12-16 |
ES8302240A1 (es) | 1982-12-16 |
EP0058477B1 (de) | 1986-08-13 |
EP0058477A3 (en) | 1983-10-05 |
AU547749B2 (en) | 1985-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |