DE3175531D1 - Electro-hydraulic control system - Google Patents

Electro-hydraulic control system

Info

Publication number
DE3175531D1
DE3175531D1 DE8181305644T DE3175531T DE3175531D1 DE 3175531 D1 DE3175531 D1 DE 3175531D1 DE 8181305644 T DE8181305644 T DE 8181305644T DE 3175531 T DE3175531 T DE 3175531T DE 3175531 D1 DE3175531 D1 DE 3175531D1
Authority
DE
Germany
Prior art keywords
valve
pilot
control valve
actuators
valves
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
Application number
DE8181305644T
Other languages
English (en)
Inventor
Kevin Douglas Mckee
Charles William Formwalt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Application granted granted Critical
Publication of DE3175531D1 publication Critical patent/DE3175531D1/de
Expired legal-status Critical Current

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)
DE8181305644T 1980-12-01 1981-11-30 Electro-hydraulic control system Expired DE3175531D1 (en)

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
DE3175531D1 true DE3175531D1 (en) 1986-12-04

Family

ID=22787106

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8181305644T Expired DE3175531D1 (en) 1980-12-01 1981-11-30 Electro-hydraulic control system
DE198181305644T Pending DE53506T1 (de) 1980-12-01 1981-11-30 Elektrohydraulische steuervorrichtung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198181305644T Pending DE53506T1 (de) 1980-12-01 1981-11-30 Elektrohydraulische steuervorrichtung.

Country Status (10)

Country Link
US (1) US4638720A (de)
EP (1) EP0053506B1 (de)
JP (1) JPS57124103A (de)
AT (1) ATE23213T1 (de)
AU (1) AU545031B2 (de)
BR (1) BR8107797A (de)
CA (1) CA1175732A (de)
DE (2) DE3175531D1 (de)
ES (1) ES507604A0 (de)
ZA (1) ZA818330B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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 (de) * 1991-07-23 1993-01-07 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4124384C1 (de) * 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)

* Cited by examiner, † Cited by third party
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 (de) * 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 (de) * 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

Also Published As

Publication number Publication date
ATE23213T1 (de) 1986-11-15
BR8107797A (pt) 1982-08-31
CA1175732A (en) 1984-10-09
JPS57124103A (en) 1982-08-02
AU545031B2 (en) 1985-06-27
DE53506T1 (de) 1984-04-12
US4638720A (en) 1987-01-27
AU7736681A (en) 1982-06-10
EP0053506A2 (de) 1982-06-09
ES8305477A1 (es) 1983-04-01
ES507604A0 (es) 1983-04-01
EP0053506A3 (en) 1984-05-16
ZA818330B (en) 1983-07-27
EP0053506B1 (de) 1986-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee