BR8107797A - Sistema de controle eletrohidraulico - Google Patents
Sistema de controle eletrohidraulicoInfo
- Publication number
- BR8107797A BR8107797A BR8107797A BR8107797A BR8107797A BR 8107797 A BR8107797 A BR 8107797A BR 8107797 A BR8107797 A BR 8107797A BR 8107797 A BR8107797 A BR 8107797A BR 8107797 A BR8107797 A BR 8107797A
- Authority
- BR
- Brazil
- Prior art keywords
- valve
- pilot
- control valve
- actuators
- valves
- 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
- F16H61/02—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
-
- 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
- F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
-
- 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
- F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
- F16H2061/0209—Layout of electro-hydraulic control circuits, e.g. arrangement of valves with independent solenoid valves modulating the pressure individually for each clutch or brake
-
- 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
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
- F16H2061/0288—Relay valve, e.g. valve arranged between shift valve and servo
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios
- F16H2061/1236—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios using fail priority valves
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/211,486 US4638720A (en) | 1980-12-01 | 1980-12-01 | Electro-hydraulic control system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8107797A true BR8107797A (pt) | 1982-08-31 |
Family
ID=22787106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8107797A BR8107797A (pt) | 1980-12-01 | 1981-11-30 | Sistema de controle eletrohidraulico |
Country Status (10)
Country | Link |
---|---|
US (1) | US4638720A (pt) |
EP (1) | EP0053506B1 (pt) |
JP (1) | JPS57124103A (pt) |
AT (1) | ATE23213T1 (pt) |
AU (1) | AU545031B2 (pt) |
BR (1) | BR8107797A (pt) |
CA (1) | CA1175732A (pt) |
DE (2) | DE3175531D1 (pt) |
ES (1) | ES8305477A1 (pt) |
ZA (1) | ZA818330B (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836088A (en) * | 1985-08-21 | 1989-06-06 | Rome Industries, Inc. | Directional control valve and regeneration valve |
DE3530657C2 (de) * | 1985-08-28 | 1995-03-16 | Westfalia Becorit Ind Tech | Vorrichtung zum Ansteuern hydraulischer, im untertägigen Bergbau eingesetzter Verbraucher |
US4736670A (en) * | 1986-10-30 | 1988-04-12 | Ford Motor Company | Remotely operated fluid power control system for automotive vehicle |
US4900093A (en) * | 1986-11-10 | 1990-02-13 | Caterpillar Inc. | Impact ripper and control |
US4939928A (en) * | 1988-04-29 | 1990-07-10 | Chrysler Corporation | Method of determining the continuity of solenoids in an electronic automatic transmission system |
US4913032A (en) * | 1988-12-19 | 1990-04-03 | Woodward Governor Company | Multiplexed hydraulic control systems |
US4984505A (en) * | 1989-02-01 | 1991-01-15 | Woodward Governor Company | Multiplexed hydraulic control systems |
US5088383A (en) * | 1990-01-22 | 1992-02-18 | Woodward Governor Company | Multiplexed hydraulic control system with multiplexing valve having planar port array |
GB9017920D0 (en) * | 1990-08-15 | 1990-09-26 | Massey Ferguson Services Nv | Planetary gear units |
DE4124385C1 (pt) * | 1991-07-23 | 1993-01-07 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
DE4124384C1 (pt) * | 1991-07-23 | 1993-01-28 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
DE4132873C2 (de) * | 1991-10-03 | 1993-10-07 | Daimler Benz Ag | Selbsttätige Schaltvorrichtung eines Gangwechselgetriebes der Umlaufräderbauart mit einem durch Druckmittelbetätigung einrückbaren reibschlüssigen Schaltmittel (Kupplung oder Bremse) |
AU7207594A (en) * | 1993-07-06 | 1995-02-06 | Caterpillar Inc. | Electro-hydraulic transmission control |
DE19526754A1 (de) * | 1995-07-21 | 1997-01-23 | Rexroth Mannesmann Gmbh | Sicherheitsschaltung |
US5778330A (en) * | 1995-10-19 | 1998-07-07 | Case Corporation | Microprocessor controlled neutral circuit for a power transmission |
DE19612864A1 (de) * | 1996-03-30 | 1997-10-02 | Zahnradfabrik Friedrichshafen | Hydraulische Steuervorrichtung zum Schalten eines Automatikgetriebes, insbesondere eines CVT-Getriebes |
US5871074A (en) * | 1997-09-04 | 1999-02-16 | Deere & Company | Control circuit for a powershift transmission |
JP2008032175A (ja) * | 2006-07-31 | 2008-02-14 | Shin Caterpillar Mitsubishi Ltd | 流体圧回路 |
US10281031B2 (en) * | 2015-02-11 | 2019-05-07 | Parker-Hannifin Corporation | Gearbox shift lock-out device |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732860A (en) * | 1956-01-31 | Four way balanced slide valve | ||
US2775982A (en) * | 1954-05-04 | 1957-01-01 | Automatic Switch Co | Differential-piston valve and dual pilot-valve control therefor |
US3026892A (en) * | 1957-06-26 | 1962-03-27 | Pneumo Dynamics Corp | Electrohydraulic servo valve |
US3155365A (en) * | 1960-10-28 | 1964-11-03 | Hartung | Pressure medium controlled liquid valve for automatic flow limitation devices |
GB1095344A (pt) * | 1964-02-14 | |||
DE1450538A1 (de) * | 1964-02-18 | 1968-11-14 | Herion Erich | Mehrwegeumschaltventil |
US3491982A (en) * | 1968-02-19 | 1970-01-27 | Lucas Industries Ltd | Piston operated valve with relatively movable sleeve |
DE1750358B2 (de) * | 1968-04-24 | 1974-09-19 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrohydraulische Steuereinrichtung |
US3512453A (en) * | 1968-05-22 | 1970-05-19 | Caterpillar Tractor Co | System for actuation of hydraulic motors on tractor powered implements |
US3598148A (en) * | 1969-08-14 | 1971-08-10 | Airmatic Valve Inc | Momentary contact poppet valve |
DE2038661B2 (de) * | 1970-08-04 | 1978-08-03 | Gewerkschaft Eisenhuette Westfalia, 4670 Luenen | Hydraulische Ausbausteuerung |
CH524075A (de) * | 1970-11-19 | 1972-06-15 | Netstal Ag Maschf Giesserei | Hydraulische Steuereinrichtung |
US3667501A (en) * | 1970-12-30 | 1972-06-06 | Twin Disc Inc | Selector valve assembly with mechanical latch |
DE2148502B2 (de) * | 1971-09-29 | 1978-11-02 | G.L. Rexroth Gmbh, 8770 Lohr | Ein- oder mehrkreisiges Hydrauliksystem |
US3735781A (en) * | 1971-11-09 | 1973-05-29 | Int Basic Economy Corp | Valve unit |
US3827668A (en) * | 1972-10-05 | 1974-08-06 | Stewart & Stevenson Inc Jim | Locking system for a blowout preventer |
DE2360530A1 (de) * | 1973-12-05 | 1975-06-19 | Rexroth Gmbh G L | Hydraulikanlage |
JPS50153321A (pt) * | 1974-05-31 | 1975-12-10 | ||
US4046165A (en) * | 1975-06-04 | 1977-09-06 | Ibec Industries, Inc. | Valve-positioning apparatus |
DE2717384C2 (de) * | 1977-04-20 | 1983-12-22 | Mannesmann Rexroth GmbH, 8770 Lohr | Hydraulisch betätigtes Steuerventil |
DE2808196A1 (de) * | 1978-02-25 | 1979-09-06 | Bosch Gmbh Robert | Hydraulische steuereinrichtung |
-
1980
- 1980-12-01 US US06/211,486 patent/US4638720A/en not_active Expired - Lifetime
-
1981
- 1981-10-27 CA CA000388801A patent/CA1175732A/en not_active Expired
- 1981-11-11 AU AU77366/81A patent/AU545031B2/en not_active Ceased
- 1981-11-30 EP EP81305644A patent/EP0053506B1/en not_active Expired
- 1981-11-30 BR BR8107797A patent/BR8107797A/pt unknown
- 1981-11-30 DE DE8181305644T patent/DE3175531D1/de not_active Expired
- 1981-11-30 DE DE198181305644T patent/DE53506T1/de active Pending
- 1981-11-30 AT AT81305644T patent/ATE23213T1/de not_active IP Right Cessation
- 1981-12-01 JP JP56193582A patent/JPS57124103A/ja active Pending
- 1981-12-01 ES ES507604A patent/ES8305477A1/es not_active Expired
- 1981-12-01 ZA ZA818330A patent/ZA818330B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0053506A3 (en) | 1984-05-16 |
ZA818330B (en) | 1983-07-27 |
AU7736681A (en) | 1982-06-10 |
CA1175732A (en) | 1984-10-09 |
AU545031B2 (en) | 1985-06-27 |
DE3175531D1 (en) | 1986-12-04 |
ATE23213T1 (de) | 1986-11-15 |
ES507604A0 (es) | 1983-04-01 |
JPS57124103A (en) | 1982-08-02 |
EP0053506A2 (en) | 1982-06-09 |
ES8305477A1 (es) | 1983-04-01 |
DE53506T1 (de) | 1984-04-12 |
EP0053506B1 (en) | 1986-10-29 |
US4638720A (en) | 1987-01-27 |
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