CA1151904A - Downshift valve of an automatic power transmission - Google Patents
Downshift valve of an automatic power transmissionInfo
- Publication number
- CA1151904A CA1151904A CA000334001A CA334001A CA1151904A CA 1151904 A CA1151904 A CA 1151904A CA 000334001 A CA000334001 A CA 000334001A CA 334001 A CA334001 A CA 334001A CA 1151904 A CA1151904 A CA 1151904A
- Authority
- CA
- Canada
- Prior art keywords
- pressure
- valve
- valve element
- shift
- control system
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims description 3
- 230000006854 communication Effects 0.000 claims description 3
- 208000036366 Sensation of pressure Diseases 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 17
- 239000010720 hydraulic oil Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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
- F16H61/02—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
- F16H61/0262—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 hydraulic
- F16H61/0265—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 hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP105,898/78 | 1978-08-30 | ||
JP53105898A JPS5930942B2 (ja) | 1978-08-30 | 1978-08-30 | 自動変速機のダウンシフト弁 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1151904A true CA1151904A (en) | 1983-08-16 |
Family
ID=14419698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000334001A Expired CA1151904A (en) | 1978-08-30 | 1979-08-17 | Downshift valve of an automatic power transmission |
Country Status (7)
Country | Link |
---|---|
US (1) | US4313354A (en, 2012) |
JP (1) | JPS5930942B2 (en, 2012) |
AU (1) | AU518274B2 (en, 2012) |
CA (1) | CA1151904A (en, 2012) |
DE (1) | DE2934920A1 (en, 2012) |
FR (1) | FR2434973A1 (en, 2012) |
GB (1) | GB2029526B (en, 2012) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55149455A (en) * | 1979-05-10 | 1980-11-20 | Aisin Warner Ltd | Timing valve for automatic transmission controller |
US4413536A (en) * | 1980-08-11 | 1983-11-08 | Ford Motor Company | Automatic transaxle control system |
JPS57144338A (en) * | 1981-02-26 | 1982-09-06 | Nissan Motor Co Ltd | Shifter for automatic gear change |
JPS57144339A (en) * | 1981-02-28 | 1982-09-06 | Nissan Motor Co Ltd | Shifter for automatic gear change |
JPS59164443A (ja) * | 1983-03-10 | 1984-09-17 | Nissan Motor Co Ltd | 自動変速機の油圧制御装置 |
US4688451A (en) * | 1983-05-24 | 1987-08-25 | Toyota Jidosha Kabushiki Kaisha | Transmission control system with separate shift timing control pressure supply passage |
EP0128470B1 (en) * | 1983-06-01 | 1988-04-20 | Mazda Motor Corporation | Control means for vehicle automatic transmissions |
JPS6018647A (ja) * | 1983-07-08 | 1985-01-30 | Toyota Motor Corp | 車両用無段変速機の制御方法 |
US4610183A (en) * | 1983-10-31 | 1986-09-09 | Mazda Motor Corporation | Control of a steplessly variable vehicle transmission |
JPS6235151A (ja) * | 1985-08-08 | 1987-02-16 | Mazda Motor Corp | 自動変速機のライン圧制御装置 |
JPH07122462B2 (ja) * | 1987-10-30 | 1995-12-25 | 日産自動車株式会社 | 自動変速機の変速制御装置 |
US8234784B2 (en) * | 2008-02-13 | 2012-08-07 | Younger Steven W | Valve piston repositioning apparatus and method |
US8839388B2 (en) * | 2009-01-28 | 2014-09-16 | Headwater Partners I Llc | Automated device provisioning and activation |
US8117750B2 (en) | 2009-01-27 | 2012-02-21 | Younger Steven W | Clip for limiting motion of a torque converter clutch regulator valve |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3004446A (en) * | 1956-05-25 | 1961-10-17 | Borg Warner | Transmission controls |
US3237476A (en) * | 1956-08-29 | 1966-03-01 | Ford Motor Co | Automatic power transmission mechanism |
US3362261A (en) * | 1965-05-10 | 1968-01-09 | Ford Motor Co | Automatic control valve system for a multiple speed ratio power transmission mechanism |
US3495481A (en) * | 1966-11-12 | 1970-02-17 | Nissan Motor | Automatic speed change gear control device for use in 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 |
GB1267423A (en) | 1969-04-25 | 1972-03-22 | Borg Warner Ltd | Transmission control mechanism |
US3710652A (en) * | 1969-05-30 | 1973-01-16 | Nissan Motor | Hydraulic control system of automatic transmission |
US3525275A (en) * | 1969-06-12 | 1970-08-25 | Ford Motor Co | Braking downshift control valve system for an automatic power transmission mechanism |
US3625090A (en) * | 1970-02-24 | 1971-12-07 | Gen Motors Corp | Transmission control |
US3685372A (en) * | 1970-05-19 | 1972-08-22 | Nissan Motor | Automatic transmission |
US3714836A (en) * | 1971-02-16 | 1973-02-06 | Ford Motor Co | Automatic transmission controls for an automotive vehicle driveline |
NL7115115A (en, 2012) * | 1971-11-03 | 1973-05-07 | ||
US3768338A (en) * | 1971-12-27 | 1973-10-30 | Ford Motor Co | Coasting downshift control valve for an automatic power transmission control valve circuit |
JPS5613221B2 (en, 2012) | 1972-10-20 | 1981-03-26 | ||
JPS5228189B2 (en, 2012) * | 1973-07-26 | 1977-07-25 | ||
JPS539341B2 (en, 2012) * | 1973-10-18 | 1978-04-05 |
-
1978
- 1978-08-30 JP JP53105898A patent/JPS5930942B2/ja not_active Expired
- 1978-11-08 US US05/958,925 patent/US4313354A/en not_active Expired - Lifetime
-
1979
- 1979-08-17 CA CA000334001A patent/CA1151904A/en not_active Expired
- 1979-08-29 FR FR7921701A patent/FR2434973A1/fr active Granted
- 1979-08-29 DE DE19792934920 patent/DE2934920A1/de active Granted
- 1979-08-30 AU AU50427/79A patent/AU518274B2/en not_active Ceased
- 1979-08-30 GB GB7929997A patent/GB2029526B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2434973A1 (fr) | 1980-03-28 |
GB2029526A (en) | 1980-03-19 |
AU518274B2 (en) | 1981-09-24 |
US4313354A (en) | 1982-02-02 |
DE2934920A1 (de) | 1980-03-20 |
JPS5930942B2 (ja) | 1984-07-30 |
DE2934920C2 (en, 2012) | 1989-06-29 |
AU5042779A (en) | 1980-04-17 |
GB2029526B (en) | 1982-10-06 |
FR2434973B1 (en, 2012) | 1984-05-25 |
JPS5560746A (en) | 1980-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |