BE789030A - Système hydraulique compact pour faire passer une transmission d'un état à un autre. - Google Patents
Système hydraulique compact pour faire passer une transmission d'un état à un autre.Info
- Publication number
- BE789030A BE789030A BE789030DA BE789030A BE 789030 A BE789030 A BE 789030A BE 789030D A BE789030D A BE 789030DA BE 789030 A BE789030 A BE 789030A
- Authority
- BE
- Belgium
- Prior art keywords
- switch
- transmission
- state
- another
- hydraulic system
- Prior art date
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
- F16H61/02—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
- 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
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
-
- 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
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H2059/088—Fast forward-reverse-sequence mode
-
- 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
- F16H59/74—Inputs being a function of engine parameters
- F16H2059/746—Engine running state, e.g. on-off of ignition switch
-
- 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
-
- 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
- F16H61/0269—Layout of hydraulic control circuits, e.g. arrangement of valves characterised by low integration or small number of valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12181071A | 1971-03-08 | 1971-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE789030A true BE789030A (fr) | 1973-01-15 |
Family
ID=22398948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE789030D BE789030A (fr) | 1971-03-08 | Système hydraulique compact pour faire passer une transmission d'un état à un autre. |
Country Status (2)
Country | Link |
---|---|
US (1) | US3709065A (fr) |
BE (1) | BE789030A (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863523A (en) * | 1973-06-25 | 1975-02-04 | Caterpillar Tractor Co | Hydraulic safety system for a vehicle transmission |
US3882738A (en) * | 1973-12-03 | 1975-05-13 | Caterpillar Tractor Co | Simplified fluid circuit for shifting a transmission |
US3991865A (en) * | 1974-02-28 | 1976-11-16 | Kabushiki Kaisha Komatsu Seisakusho | Device for gradually increasing hydraulic pressure |
US4111071A (en) * | 1974-09-06 | 1978-09-05 | Caterpillar Tractor Co. | Modulating relief valve with hydraulic safety |
JPS554969B2 (fr) * | 1974-12-11 | 1980-02-02 | ||
US3998111A (en) * | 1975-03-24 | 1976-12-21 | Caterpillar Tractor Co. | Fluid circuit for shifting a transmission |
US4337787A (en) * | 1980-03-12 | 1982-07-06 | Caterpillar Tractor Co. | Pressure regulating hydraulic circuit and valve |
JPS57500309A (fr) * | 1980-03-12 | 1982-02-18 | ||
JPS56143848A (en) * | 1980-04-10 | 1981-11-09 | Nissan Motor Co Ltd | Oil pressure control device for transmission |
US4345508A (en) * | 1980-06-02 | 1982-08-24 | Caterpillar Tractor Co. | Control system for sequentially actuating fluid actuators |
JPS57500894A (fr) * | 1980-06-30 | 1982-05-20 | ||
US4396099A (en) * | 1981-03-09 | 1983-08-02 | Deere & Company | Control system for a clutch |
US4422536A (en) * | 1981-05-08 | 1983-12-27 | Deere & Company | Transmission control system with improved modulation rate regulating valve |
US4465168A (en) * | 1981-11-25 | 1984-08-14 | Kabushiki Kaisha Komatsu Seisakusho | Pressure control system for a transmission |
US4650048A (en) * | 1985-09-24 | 1987-03-17 | Deere & Company | Control system for transmission engagement |
US4742731A (en) * | 1986-12-18 | 1988-05-10 | Payhauler Corp. | Transmission range selector valve |
DE4100672C1 (fr) * | 1991-01-11 | 1992-02-20 | Mannesmann Rexroth Gmbh, 8770 Lohr, De | |
US5261456A (en) * | 1992-11-02 | 1993-11-16 | Deere & Company | Transmission engagement override valve |
JP2002071012A (ja) * | 2000-08-31 | 2002-03-08 | Honda Motor Co Ltd | 車両用自動変速機の制御装置 |
US8500210B2 (en) * | 2006-08-11 | 2013-08-06 | Schlumberger Technology Corporation | Resilient pick shank |
EP1956248B1 (fr) * | 2007-02-12 | 2013-08-21 | Schaeffler Technologies AG & Co. KG | Dispositif destiné à la commande d'une multitude de cylindres de commutation hydrauliques |
US8540048B2 (en) * | 2011-12-28 | 2013-09-24 | Caterpillar Inc. | System and method for controlling transmission based on variable pressure limit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3181394A (en) * | 1962-03-19 | 1965-05-04 | Caterpillar Tractor Co | Hydraulic controls |
US3389770A (en) * | 1966-02-01 | 1968-06-25 | Caterpillar Tractor Co | Transmission hydraulic control |
US3468194A (en) * | 1967-05-10 | 1969-09-23 | Caterpillar Tractor Co | Hydraulic pressure modulating transmission control system |
-
0
- BE BE789030D patent/BE789030A/fr not_active IP Right Cessation
-
1971
- 1971-03-08 US US00121810A patent/US3709065A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3709065A (en) | 1973-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE789030A (fr) | Système hydraulique compact pour faire passer une transmission d'un état à un autre. | |
BR7202351D0 (pt) | Mecanismo de direcao | |
SE382516B (sv) | Skiftregister. | |
OA04103A (fr) | Dispositif de changement de vitesses à levier unique. | |
DK118224B (da) | Hydrostatisk styremekanisme. | |
BE761807A (fr) | Ensemble de commande pour transmission hydrostatique double. | |
BE778743A (fr) | Element de construction parallelepipedique pour insonorisation | |
ES197180Y (es) | Unidad de punzonado. | |
BE779391A (fr) | Dispositifs d'amortissement pour vérins hydrauliques. | |
BE823387A (fr) | Clavier d'introduction de donnees | |
SE385743B (sv) | Tangentstyrd signalinmatningsanordning | |
NL166557C (nl) | Verschuivingsinrichting. | |
CH555018A (de) | Transmission a variation de vitesse continue. | |
CH556426A (fr) | Appareil pour retourner une cravate ou une ceinture. | |
CH534054A (fr) | Mécanisme de sélection pour machine à écrire à élément de frappe unique | |
BE792617A (fr) | Circuit hydraulique pour un excavateur. | |
NL159751B (nl) | Hydraulische spanvijzel. | |
CH553684A (de) | Tunnel guide-cable de commande pour cycles et cyclomoteurs. | |
BE799163A (fr) | Circuit d'interface couple optiquement, | |
NL167782C (nl) | Informatie-invoerinrichting. | |
OA03818A (fr) | Regard pour chaussée, trottoir ou autre. | |
CH556100A (fr) | Interrupteur pour circuit supraconducteur. | |
NL7411067A (nl) | Gietbuis. | |
BE778178A (fr) | Commande hydraulique de culbutage pour cornues metallurgiques | |
BE755600A (fr) | Mecanisme de transmission d'une force motrice ( |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CATERPILLAR INC. Effective date: 19870930 |