FR2433139A1 - Dispositif de reduction des chocs au passage des vitesses dans une transmission automatique - Google Patents
Dispositif de reduction des chocs au passage des vitesses dans une transmission automatiqueInfo
- Publication number
- FR2433139A1 FR2433139A1 FR7920100A FR7920100A FR2433139A1 FR 2433139 A1 FR2433139 A1 FR 2433139A1 FR 7920100 A FR7920100 A FR 7920100A FR 7920100 A FR7920100 A FR 7920100A FR 2433139 A1 FR2433139 A1 FR 2433139A1
- Authority
- FR
- France
- Prior art keywords
- automatic transmission
- speeds
- gear
- reducing shock
- 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.)
- Granted
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
- F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid 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
- F16H61/04—Smoothing ratio shift
- F16H2061/0485—Smoothing ratio shift during range shift from neutral (N) to reverse (R)
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
L'invention concerne un dispositif de réduction des chocs à la montée des vitesses dans une transmission automatique de véhicule automobile. Le dispositif comprend une soupape 19 de réduction de pression qui est placée dans le circuit 168 d'alimentation de pression de ligne de l'embrayage avant 104 d'une transmission automatique, afin de réduire les chocs mécaniques au moment de la montée automatique de la seconde vitesse dans la troisième vitesse de marche avant. L'invention concerne les transmissions automatiques pour véhicules automobiles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53095920A JPS5948897B2 (ja) | 1978-08-07 | 1978-08-07 | 自動変速機の変速シヨツク軽減装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2433139A1 true FR2433139A1 (fr) | 1980-03-07 |
FR2433139B1 FR2433139B1 (fr) | 1984-06-08 |
Family
ID=14150706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7920100A Granted FR2433139A1 (fr) | 1978-08-07 | 1979-08-06 | Dispositif de reduction des chocs au passage des vitesses dans une transmission automatique |
Country Status (5)
Country | Link |
---|---|
US (1) | US4325271A (fr) |
JP (1) | JPS5948897B2 (fr) |
DE (1) | DE2931830C2 (fr) |
FR (1) | FR2433139A1 (fr) |
GB (1) | GB2031533B (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930944B2 (ja) * | 1978-09-29 | 1984-07-30 | 日産自動車株式会社 | 自動変速機の変速シヨツク軽減装置 |
JPS5930943B2 (ja) * | 1978-10-05 | 1984-07-30 | 日産自動車株式会社 | 自動変速機のインタ−ロツク防止装置 |
JPS5655749A (en) * | 1979-10-15 | 1981-05-16 | Nissan Motor Co Ltd | Speed changing shock reducing device for automatic change gear |
JPS5747056A (en) * | 1980-09-04 | 1982-03-17 | Nissan Motor Co Ltd | Oil pressure control device for automatic transmission |
JPS57144339A (en) * | 1981-02-28 | 1982-09-06 | Nissan Motor Co Ltd | Shifter for automatic gear change |
JPS5877959A (ja) * | 1981-10-31 | 1983-05-11 | Mitsubishi Motors Corp | 前進4段自動変速機の油圧制御装置 |
US4430911A (en) * | 1981-12-16 | 1984-02-14 | Eaton Corporation | Forward-reverse powershift control |
US4438666A (en) * | 1981-12-16 | 1984-03-27 | Eaton Corporation | Speed responsive reverse control |
US4602529A (en) * | 1982-06-25 | 1986-07-29 | Nissan Motor Co., Ltd. | Hydraulic control system for automatic transmission |
JPS59183160A (ja) * | 1983-03-31 | 1984-10-18 | Aisin Seiki Co Ltd | 自動変速機の制御装置 |
JPS59164552U (ja) * | 1983-04-19 | 1984-11-05 | 三菱自動車工業株式会社 | 車両用空調シ−ト |
JPS6015225A (ja) * | 1983-07-08 | 1985-01-25 | Nissan Motor Co Ltd | オ−トマチツクトランスアクスルの差動機構潤滑装置 |
JPS6081550A (ja) * | 1983-10-07 | 1985-05-09 | Nissan Motor Co Ltd | 自動変速機の油圧制御装置 |
JPS60179555A (ja) * | 1984-02-24 | 1985-09-13 | Nissan Motor Co Ltd | 自動変速機の変速シヨツク軽減装置 |
JPS616451A (ja) * | 1984-06-20 | 1986-01-13 | Mazda Motor Corp | 自動変速機の油圧制御装置 |
JPS61116158A (ja) * | 1984-11-09 | 1986-06-03 | Honda Motor Co Ltd | 車両用油圧作動式変速機の制御装置 |
US4729265A (en) * | 1985-01-09 | 1988-03-08 | Nissan Motor Co., Ltd. | Shift shock suppression arrangement for automotive automatic transmission |
JPS6283539A (ja) * | 1985-10-05 | 1987-04-17 | Nissan Motor Co Ltd | 自動変速機の油圧制御装置 |
DE68922330T2 (de) * | 1988-02-20 | 1995-09-28 | Aisin Aw Co | Hydraulische Steuervorrichtung für automatische Getriebe. |
US4881429A (en) * | 1988-04-29 | 1989-11-21 | Nissan Motor Co., Ltd. | Shift control arrangement for automatic transmission |
US5090270A (en) * | 1988-05-12 | 1992-02-25 | Nissan Motor Co., Ltd. | Control system for automatic transmission |
JPH0268199U (fr) * | 1988-11-14 | 1990-05-23 | ||
JPH023747A (ja) * | 1988-11-30 | 1990-01-09 | Aisin Aw Co Ltd | 車両用無段変速機の制御装置 |
US5612874A (en) * | 1994-10-14 | 1997-03-18 | Ford Motor Company | Multiple ratio automatic transmission with solenoid operated valves for effecting pressure buildup |
DE102008025528A1 (de) * | 2007-06-14 | 2008-12-18 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verwendung einer Drehmomentwandlerpumpenkupplung um Schwingungsstöße in einem Fahrzeuggetriebe zu beseitigen |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1270890A (en) * | 1969-08-25 | 1972-04-19 | Gen Motors Corp | Variable-ratio power transmission mechanisms |
GB1274490A (en) * | 1968-07-29 | 1972-05-17 | Zahnradfabrik Friedrichshafen | Improvements in or relating to hydraulic gear-shifting devices |
GB1425356A (en) * | 1972-10-20 | 1976-02-18 | Nissan Motor | Pressure reducing control device for the hydraulic control circuit of an automatic transmission |
GB1473254A (en) * | 1974-08-26 | 1977-05-11 | Automobilwerk Eisenach Veb | Control valve for an automobile transmission system of an automobile |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT478255A (fr) * | 1950-06-05 | |||
US3078736A (en) * | 1960-12-19 | 1963-02-26 | Clark Equipment Co | Hydraulic control system for automatic transmission |
US3463180A (en) * | 1966-11-15 | 1969-08-26 | Nissan Motor | Automatic shifting device of automatic speed change gear for automobiles |
US3446098A (en) * | 1967-04-03 | 1969-05-27 | Ford Motor Co | Automatic power transmission mechanism with dual range drive controls |
US3561293A (en) * | 1967-12-22 | 1971-02-09 | Nissan Motor | Hydraulic control system for automatic transmission |
US3546973A (en) * | 1968-02-03 | 1970-12-15 | Nissan Motor | Hydraulic control system for automatic transmission |
GB1297878A (fr) * | 1969-04-30 | 1972-11-29 | ||
US3651714A (en) * | 1969-05-21 | 1972-03-28 | Toyota Motor Co Ltd | Hydraulic control system for an automatic transmission |
US3710652A (en) * | 1969-05-30 | 1973-01-16 | Nissan Motor | Hydraulic control system of automatic transmission |
US3678787A (en) * | 1969-07-29 | 1972-07-25 | Toyota Motor Co Ltd | Hydraulic control system for automatic transmission |
US3593598A (en) * | 1969-08-05 | 1971-07-20 | Ford Motor Co | Automatic power transmission controls |
JPS4820657B1 (fr) * | 1970-01-30 | 1973-06-22 | ||
JPS5146222B2 (fr) * | 1972-10-06 | 1976-12-08 | ||
US3818783A (en) * | 1972-12-04 | 1974-06-25 | Gen Motors Corp | Manual and automatic shift controls for transmissions |
JPS545471B2 (fr) * | 1973-08-17 | 1979-03-16 | ||
FR2313608A1 (fr) * | 1975-06-04 | 1976-12-31 | Renault | Dispositif hydraulique de commande pour boites de vitesses automatiques |
JPS5922098B2 (ja) * | 1976-12-09 | 1984-05-24 | 三菱自動車工業株式会社 | 油圧式自動変速機の変速装置 |
-
1978
- 1978-08-07 JP JP53095920A patent/JPS5948897B2/ja not_active Expired
- 1978-11-08 US US05/958,915 patent/US4325271A/en not_active Expired - Lifetime
-
1979
- 1979-08-06 FR FR7920100A patent/FR2433139A1/fr active Granted
- 1979-08-06 DE DE2931830A patent/DE2931830C2/de not_active Expired
- 1979-08-07 GB GB7927469A patent/GB2031533B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1274490A (en) * | 1968-07-29 | 1972-05-17 | Zahnradfabrik Friedrichshafen | Improvements in or relating to hydraulic gear-shifting devices |
GB1270890A (en) * | 1969-08-25 | 1972-04-19 | Gen Motors Corp | Variable-ratio power transmission mechanisms |
GB1425356A (en) * | 1972-10-20 | 1976-02-18 | Nissan Motor | Pressure reducing control device for the hydraulic control circuit of an automatic transmission |
GB1473254A (en) * | 1974-08-26 | 1977-05-11 | Automobilwerk Eisenach Veb | Control valve for an automobile transmission system of an automobile |
Also Published As
Publication number | Publication date |
---|---|
DE2931830C2 (de) | 1985-05-09 |
FR2433139B1 (fr) | 1984-06-08 |
US4325271A (en) | 1982-04-20 |
JPS5948897B2 (ja) | 1984-11-29 |
GB2031533A (en) | 1980-04-23 |
JPS5524223A (en) | 1980-02-21 |
GB2031533B (en) | 1983-03-30 |
DE2931830A1 (de) | 1980-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |