BE806717A - HYDRAULIC CONTROL SYSTEM - Google Patents

HYDRAULIC CONTROL SYSTEM

Info

Publication number
BE806717A
BE806717A BE137234A BE137234A BE806717A BE 806717 A BE806717 A BE 806717A BE 137234 A BE137234 A BE 137234A BE 137234 A BE137234 A BE 137234A BE 806717 A BE806717 A BE 806717A
Authority
BE
Belgium
Prior art keywords
control system
hydraulic control
hydraulic
control
Prior art date
Application number
BE137234A
Other languages
French (fr)
Inventor
D E Miller
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of BE806717A publication Critical patent/BE806717A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
BE137234A 1972-04-27 1973-10-30 HYDRAULIC CONTROL SYSTEM BE806717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24806072A 1972-04-27 1972-04-27

Publications (1)

Publication Number Publication Date
BE806717A true BE806717A (en) 1974-02-15

Family

ID=22937503

Family Applications (1)

Application Number Title Priority Date Filing Date
BE137234A BE806717A (en) 1972-04-27 1973-10-30 HYDRAULIC CONTROL SYSTEM

Country Status (2)

Country Link
US (1) US3785754A (en)
BE (1) BE806717A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935707A (en) * 1974-07-22 1976-02-03 General Signal Corporation Hydraulic control system
US3935706A (en) * 1974-07-22 1976-02-03 General Signal Corporation Hydraulic control system
CA1044991A (en) * 1974-07-22 1978-12-26 General Signal Corporation Hydraulic control valve
US4022023A (en) * 1974-08-27 1977-05-10 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit for controlling actuators in a construction vehicle
US3996743A (en) * 1975-02-20 1976-12-14 Caterpillar Tractor Co. Underspeed actuator with part throttle control
JPS5510402Y2 (en) * 1975-07-29 1980-03-07
US4047590A (en) * 1975-12-05 1977-09-13 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit for steering control in articulate vehicles
DE2823559A1 (en) * 1978-05-30 1979-12-06 Linde Ag CONTROL AND REGULATION DEVICE FOR A HYDROSTATIC GEARBOX
US4527393A (en) * 1981-09-02 1985-07-09 General Signal Corporation Control device for a hydrostatic transmission
DE3143539A1 (en) * 1981-11-03 1983-05-11 Linde Ag, 6200 Wiesbaden CONTROL DEVICE FOR A CONTINUOUSLY ADJUSTABLE, PREFERABLY HYDROSTATIC GEARBOX
FR2553475B1 (en) * 1983-10-17 1988-03-04 Poclain Sa PRESSURE FLUID SUPPLY CIRCUIT COMPRISING A VARIABLE CYLINDER PUMP
US4596517A (en) * 1985-01-29 1986-06-24 Poclain Pressurized fluid supply circuit comprising a variable displacement pump
US4606705A (en) * 1985-08-02 1986-08-19 General Motors Corporation Variable displacement compressor control valve arrangement
US4872814A (en) * 1988-06-09 1989-10-10 General Motors Corporation Variable displacement compressor passive destroker
EP0367476A1 (en) * 1988-11-02 1990-05-09 Vickers Systems Limited Variable displacement pumps
US5122036A (en) * 1990-06-18 1992-06-16 Sundstrand Corporation Ram air turbine with power controller and method of operation
JPH07102602B2 (en) * 1992-06-09 1995-11-08 日精樹脂工業株式会社 Control method and apparatus for injection molding machine
US6551073B1 (en) 2001-10-26 2003-04-22 W. S. Darley & Co. Mobile constant pressure pumping assembly
US20060198736A1 (en) * 2005-03-01 2006-09-07 Caterpillar Inc. Pump control system for variable displacement pump
US7549287B2 (en) * 2007-09-14 2009-06-23 Cnh America Llc Hydrostatic auto/manual speed control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339363A (en) * 1967-09-05 Hydrostatic transmission control
US3127745A (en) * 1962-07-05 1964-04-07 New York Air Brake Co Hydrostatic transmission
US3191382A (en) * 1964-06-29 1965-06-29 New York Air Brake Co Hydraulic system
US3477225A (en) * 1967-06-14 1969-11-11 Caterpillar Tractor Co Hydrostatic transmission control system
US3533234A (en) * 1967-08-25 1970-10-13 Komatsu Mfg Co Ltd Hydraulic pressure transmitting device
US3587765A (en) * 1968-11-21 1971-06-28 Cessna Aircraft Co Acceleration control for hydraulic transmissions
US3603084A (en) * 1969-07-31 1971-09-07 Shin Meiwa Ind Co Ltd Apparatus for driving a device mounted on special-purpose vehicles

Also Published As

Publication number Publication date
US3785754A (en) 1974-01-15

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