BE822878A - Circuit a fluide simplifie pour le deplacement d'une transmission - Google Patents
Circuit a fluide simplifie pour le deplacement d'une transmissionInfo
- Publication number
- BE822878A BE822878A BE151091A BE151091A BE822878A BE 822878 A BE822878 A BE 822878A BE 151091 A BE151091 A BE 151091A BE 151091 A BE151091 A BE 151091A BE 822878 A BE822878 A BE 822878A
- Authority
- BE
- Belgium
- Prior art keywords
- moving
- transmission
- fluid circuit
- simplified fluid
- simplified
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/08—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using brakes or clutches as main steering-effecting 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/14—Fluid pressure 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D48/04—Control by fluid pressure providing power assistance
-
- 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
- F16H61/0272—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 characterised by initiating reverse gearshift
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0209—Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Control Of Transmission Device (AREA)
- Gear-Shifting Mechanisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US421065A US3882738A (en) | 1973-12-03 | 1973-12-03 | Simplified fluid circuit for shifting a transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
BE822878A true BE822878A (fr) | 1975-06-03 |
Family
ID=23669044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE151091A BE822878A (fr) | 1973-12-03 | 1974-12-03 | Circuit a fluide simplifie pour le deplacement d'une transmission |
Country Status (6)
Country | Link |
---|---|
US (1) | US3882738A (xx) |
JP (1) | JPS5717225B2 (xx) |
BE (1) | BE822878A (xx) |
CA (1) | CA1028220A (xx) |
DE (1) | DE2457301C2 (xx) |
GB (1) | GB1482762A (xx) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042052A (en) * | 1975-12-15 | 1977-08-16 | Fiat-Allis Construction Machinery, Inc. | Steering clutch and single pedal brake control system for crawler tractor |
US4046160A (en) * | 1976-02-02 | 1977-09-06 | International Harvester Company | Transmission clutches with sequence valve and piston-controlled pressure modulator |
US4307796A (en) * | 1976-05-21 | 1981-12-29 | Caterpillar Tractor Co. | Vehicle steering brake and clutch control |
US4093048A (en) * | 1976-05-21 | 1978-06-06 | Caterpillar Tractor Co. | Vehicle steering brake and clutch control |
US4216851A (en) * | 1976-06-07 | 1980-08-12 | International Harvester Company | Transmission clutches with fully-resetting modulator-load-piston |
US4132302A (en) * | 1976-06-07 | 1979-01-02 | International Harvester Company | Transmission clutches with fully-resetting modulator-load-piston |
US4281676A (en) * | 1978-03-08 | 1981-08-04 | Caterpillar Tractor Co. | Pressure modulating selector valve |
US4387731A (en) * | 1979-05-10 | 1983-06-14 | Dresser Industries, Inc. | Modulated transmission with modulator-load-piston loading at linear rate after full reset |
US4311068A (en) * | 1979-05-10 | 1982-01-19 | International Harvester Company | Modulated transmission with converter and modulator-load-piston which fully resets and dumps converter |
JPS5655749A (en) * | 1979-10-15 | 1981-05-16 | Nissan Motor Co Ltd | Speed changing shock reducing device for automatic change gear |
JPS56143848A (en) * | 1980-04-10 | 1981-11-09 | Nissan Motor Co Ltd | Oil pressure control device for transmission |
US4396099A (en) * | 1981-03-09 | 1983-08-02 | Deere & Company | Control system for a clutch |
US4644968A (en) * | 1983-08-29 | 1987-02-24 | J. I. Case Company | Master clutch pressure and lubrication valve |
US5247858A (en) * | 1987-12-22 | 1993-09-28 | Honda Giken Kogyo Kabushiki Kaisha | Hydraulic relief valve for a hydraulic clutch |
GB9406193D0 (en) * | 1994-03-29 | 1994-05-18 | Massey Ferguson Sa | Hydraulic control valve assembly |
US5467854A (en) * | 1994-06-07 | 1995-11-21 | Caterpillar Inc. | Method of controlling clutch-to-clutch shifts for a powershift transmission |
KR100391644B1 (ko) | 2000-12-28 | 2003-07-12 | 현대자동차주식회사 | 자동변속기의 변속조작장치 |
DE102008058693A1 (de) * | 2007-12-07 | 2009-06-10 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Hydrauliksystem mit einem Druckminderventil |
CN101922479B (zh) * | 2010-07-21 | 2012-08-08 | 浙江海洋学院 | 液压差速阀 |
CH714321A1 (de) | 2017-11-11 | 2019-05-15 | Liebherr Machines Bulle Sa | Verstellvorrichtung für eine Axialkolbenmaschine. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3091976A (en) * | 1959-04-28 | 1963-06-04 | Caterpillar Tractor Co | Hydraulic controls for power transmission |
US3181394A (en) * | 1962-03-19 | 1965-05-04 | Caterpillar Tractor Co | Hydraulic controls |
US3444762A (en) * | 1966-02-01 | 1969-05-20 | Caterpillar Tractor Co | Transmission with selector valves |
US3468194A (en) * | 1967-05-10 | 1969-09-23 | Caterpillar Tractor Co | Hydraulic pressure modulating transmission control system |
US3481435A (en) * | 1968-06-19 | 1969-12-02 | Caterpillar Tractor Co | Transmission shift control |
US3596536A (en) * | 1969-10-24 | 1971-08-03 | Caterpillar Tractor Co | Transmission shift control with conditional automatic neutralizing means |
BE789030A (fr) * | 1971-03-08 | 1973-01-15 | Caterpillar Tractor Co | Système hydraulique compact pour faire passer une transmission d'un état à un autre. |
-
1973
- 1973-12-03 US US421065A patent/US3882738A/en not_active Expired - Lifetime
-
1974
- 1974-09-17 JP JP10708674A patent/JPS5717225B2/ja not_active Expired
- 1974-10-08 CA CA211,010A patent/CA1028220A/en not_active Expired
- 1974-12-02 DE DE2457301A patent/DE2457301C2/de not_active Expired
- 1974-12-02 GB GB52103/74A patent/GB1482762A/en not_active Expired
- 1974-12-03 BE BE151091A patent/BE822878A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2457301C2 (de) | 1986-10-23 |
DE2457301A1 (de) | 1975-07-03 |
JPS5717225B2 (xx) | 1982-04-09 |
CA1028220A (en) | 1978-03-21 |
GB1482762A (en) | 1977-08-17 |
JPS5084755A (xx) | 1975-07-08 |
US3882738A (en) | 1975-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CATERPILLAR INC. Effective date: 19921231 |