JPS56501459A - - Google Patents

Info

Publication number
JPS56501459A
JPS56501459A JP80500403A JP50040380A JPS56501459A JP S56501459 A JPS56501459 A JP S56501459A JP 80500403 A JP80500403 A JP 80500403A JP 50040380 A JP50040380 A JP 50040380A JP S56501459 A JPS56501459 A JP S56501459A
Authority
JP
Japan
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.)
Pending
Application number
JP80500403A
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 filed Critical
Publication of JPS56501459A publication Critical patent/JPS56501459A/ja
Pending 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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/444—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation by changing the number of pump or motor units in operation
    • 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
    • B62D11/10—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 gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—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 gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—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 gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor
    • 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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4035—Control of circuit flow
    • 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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
JP80500403A 1979-11-01 1979-11-01 Pending JPS56501459A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1979/000928 WO1981001311A1 (en) 1979-11-01 1979-11-01 Fluid motor control system providing speed change by combination of displacement and flow control

Publications (1)

Publication Number Publication Date
JPS56501459A true JPS56501459A (ja) 1981-10-08

Family

ID=22147760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP80500403A Pending JPS56501459A (ja) 1979-11-01 1979-11-01

Country Status (4)

Country Link
EP (1) EP0028448A3 (ja)
JP (1) JPS56501459A (ja)
CA (1) CA1140834A (ja)
WO (1) WO1981001311A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6211211Y2 (ja) * 1980-09-29 1987-03-17
FR2562964B1 (fr) * 1983-12-22 1988-04-08 Komatsu Mfg Co Ltd Dispositif de commande hydraulique pour un vehicule pourvu d'une superstructure pivotante
EP2905480B1 (en) 2014-02-07 2016-10-19 Caterpillar Global Mining LLC Hydraulic control system and method

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH351177A (de) * 1957-01-07 1960-12-31 Von Roll Ag Hydraulische Steuerung an hydrostatischem Getriebe, insbesondere für Raupen- oder Räderfahrzeug
GB902185A (en) * 1961-03-08 1962-07-25 Robert Colin Pearson Improvements in and relating to hydrostatic transmission for self-propelled vehicles
GB941736A (en) * 1961-06-14 1963-11-13 Robert Colin Pearson Improvements in or relating to hydrostatic transmissions
DE1580504B1 (de) * 1966-07-05 1970-05-21 Orenstein & Koppel Ag Hydrostatischer Antrieb fuer ein Gleiskettenfahrzeug
GB1272971A (en) * 1969-03-13 1972-05-03 Nat Res Dev Hdyrostatic vehicle transmission
US3606049A (en) * 1969-11-12 1971-09-20 Harnischfeger Corp Horsepower limiting hydraulic control circuit
DE2052303A1 (de) * 1970-10-24 1972-04-27 Rheinstahl Aktiengesellschaft Hanomag Baumaschinen, 3000 Hannover-Linden Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl
DE2138986C3 (de) * 1971-08-04 1978-09-07 G.L. Rexroth Gmbh, 8770 Lohr Steuerventileinrichtung für mehrere hydraulische Antriebe
US4030623A (en) * 1971-12-13 1977-06-21 Caterpillar Tractor Co. Hydraulic circuitry for an excavator
US3922855A (en) * 1971-12-13 1975-12-02 Caterpillar Tractor Co Hydraulic circuitry for an excavator
US3988893A (en) * 1972-04-28 1976-11-02 Eaton Corporation Hydrostatic transmission drive system
JPS5220088Y2 (ja) * 1972-07-15 1977-05-10
US3914938A (en) * 1974-08-20 1975-10-28 Eaton Corp Electrical hydrostatic transmission control system
US4011920A (en) * 1975-08-25 1977-03-15 Caterpillar Tractor Co. Synchronized vehicle fluid drive system
US4040254A (en) * 1976-03-25 1977-08-09 Eaton Corporation Hydrostatic transmission with automatic displacement shifter
US4024710A (en) * 1976-03-25 1977-05-24 Koehring Company Load sensing hydraulic circuit having power matching means
US4023364A (en) * 1976-07-19 1977-05-17 Caterpillar Tractor Co. Swing flow supplemental travel for an excavator
US4078681A (en) * 1976-08-24 1978-03-14 Caterpillar Tractor Co. Dual pump hydraulic control system with predetermined flow crossover provision
US4072009A (en) * 1976-10-21 1978-02-07 Institutul De Cercetari Si Proiectari Pentru Utilaje De Constructii De Drumuri(I.C.P.U.C.) Braila Pressure system for driving the wheels of a vehicle
US4112821A (en) * 1976-12-03 1978-09-12 Caterpillar Tractor Co. Fluid control system for multiple circuited work elements
US4073141A (en) * 1977-03-17 1978-02-14 Caterpillar Tractor Co. Fluid control system with priority flow
US4087968A (en) * 1977-04-28 1978-05-09 Caterpillar Tractor Co. Flow control valve for combining two dissimilar independent systems to a common pressure source
US4140196A (en) * 1977-06-07 1979-02-20 Parno Corporation Auxiliary drive system
US4096694A (en) * 1977-07-05 1978-06-27 Caterpillar Tractor Co. Control system for a fluid drive

Also Published As

Publication number Publication date
EP0028448A2 (en) 1981-05-13
WO1981001311A1 (en) 1981-05-14
CA1140834A (en) 1983-02-08
EP0028448A3 (en) 1982-03-31

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