AU473650B2 - Pilot operated load compensated variable displacement pump - Google Patents

Pilot operated load compensated variable displacement pump

Info

Publication number
AU473650B2
AU473650B2 AU60289/73A AU6028973A AU473650B2 AU 473650 B2 AU473650 B2 AU 473650B2 AU 60289/73 A AU60289/73 A AU 60289/73A AU 6028973 A AU6028973 A AU 6028973A AU 473650 B2 AU473650 B2 AU 473650B2
Authority
AU
Australia
Prior art keywords
variable displacement
displacement pump
pilot operated
operated load
compensated variable
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
AU60289/73A
Other versions
AU6028973A (en
Inventor
Roland Lundemo Kurt
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.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of AU6028973A publication Critical patent/AU6028973A/en
Application granted granted Critical
Publication of AU473650B2 publication Critical patent/AU473650B2/en
Expired legal-status Critical Current

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
    • F04B49/08—Regulating by delivery pressure
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/08—Pressure difference over a throttle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
AU60289/73A 1972-12-18 1973-09-13 Pilot operated load compensated variable displacement pump Expired AU473650B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00315945A US3856436A (en) 1972-12-18 1972-12-18 Power transmission
USUS315,945 1972-12-18

Publications (2)

Publication Number Publication Date
AU6028973A AU6028973A (en) 1975-03-13
AU473650B2 true AU473650B2 (en) 1976-07-01

Family

ID=23226784

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60289/73A Expired AU473650B2 (en) 1972-12-18 1973-09-13 Pilot operated load compensated variable displacement pump

Country Status (9)

Country Link
US (1) US3856436A (en)
JP (1) JPS589276B2 (en)
AU (1) AU473650B2 (en)
CA (1) CA983314A (en)
DE (1) DE2350390A1 (en)
FR (1) FR2211054A5 (en)
GB (1) GB1383490A (en)
IT (1) IT996264B (en)
SE (1) SE383190B (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941513A (en) * 1974-09-05 1976-03-02 Parker-Hannifin Corporation Variable displacement pump control assembly
DE2461897A1 (en) * 1974-12-31 1976-07-08 Bosch Gmbh Robert CONTROL DEVICE FOR A PUMP
DE2528963C2 (en) * 1975-06-28 1983-11-03 Karl 7298 Loßburg Hehl Control device for the hydraulic circuit of an injection molding machine
GB1526085A (en) * 1975-11-04 1978-09-27 Plessey Co Ltd Hydraulic pumping arrangements
US4017219A (en) * 1975-12-22 1977-04-12 Abex Corporation Control system for variable displacement pumps
US4029439A (en) * 1975-12-22 1977-06-14 Abex Corporation Control system for variable displacement pumps
SE396239B (en) * 1976-02-05 1977-09-12 Hytec Ab METHOD AND DEVICE FOR REGULATING THE POWER SUPPLIED TO A HYDRAULIC, A PNEUMATIC OR A HYDRAULIC PNEUMATIC SYSTEM
DE2723074A1 (en) * 1977-05-21 1978-11-30 Bosch Gmbh Robert DISPLACEMENT MACHINE WITH A PRESSURE REGULATOR
DE2840687A1 (en) * 1978-09-19 1980-04-03 Bosch Gmbh Robert DEVICE FOR CONTROLLING THE FLOW RATE AND LIMITING THE DELIVERY PRESSURE OF AN ADJUSTABLE PUMP.
US4199942A (en) * 1978-09-28 1980-04-29 Eaton Corporation Load sensing control for hydraulic system
DE2906166A1 (en) * 1979-02-17 1980-08-28 Bosch Gmbh Robert DEVICE FOR CONTROLLING THE FLOW RATE AND LIMITING THE DELIVERY PRESSURE OF AN ADJUSTABLE PUMP
US4194363A (en) * 1979-02-21 1980-03-25 General Signal Corporation Fluid horsepower control system
US4292805A (en) * 1979-09-24 1981-10-06 Rexnord Inc. Servo-valve convertible construction
DE3016609A1 (en) * 1980-04-30 1981-11-05 G.L. Rexroth Gmbh, 8770 Lohr Radial vane type pump - has throughput controlled by positioning valve energised by signal from discharge flow meter
DE3027819A1 (en) * 1980-07-23 1982-02-25 Backe, Wolfgang, Prof.Dr.-Ing., 5100 Aachen DEVICE FOR REGULATING A VARIABLE PUMP
DE3044143A1 (en) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden CONTROL DEVICE FOR A HYDROSTATIC DRIVE SYSTEM
DE3146513A1 (en) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden Control device for a hydrostatic drive system
DE3112561C2 (en) * 1981-03-30 1985-09-26 Danfoss A/S, Nordborg Control device for a liquid pump with adjustable delivery volume
DE3129440A1 (en) * 1981-07-25 1983-02-10 Mannesmann Rexroth GmbH, 8770 Lohr Control device for a variable-delivery pump
DE3211307A1 (en) * 1982-03-26 1983-09-29 Linde Ag, 6200 Wiesbaden ADJUSTABLE AXIAL PISTON PUMP WITH A CONTROL ORGAN AND CONTROLLER FOR SUCH
DE8335902U1 (en) * 1983-12-14 1987-06-04 Brueninghaus Hydraulik Gmbh, 7240 Horb, De
JPH021521Y2 (en) * 1986-05-14 1990-01-16
JPH021522Y2 (en) * 1986-05-14 1990-01-16
DE3622939A1 (en) * 1986-07-08 1988-01-14 Linde Ag Hydraulic control or regulating device
DE3805061A1 (en) * 1988-02-18 1989-08-31 Linde Ag HYDRAULIC SWITCHING ARRANGEMENT
DE3844398C2 (en) * 1988-12-30 1997-07-31 Rexroth Mannesmann Gmbh Hydraulic circuit for a variable pump
DE8906826U1 (en) * 1989-06-03 1989-09-07 Keicher, Siegfried, 7906 Blaustein, De
EP0477370B2 (en) * 1990-01-11 1998-11-04 Hitachi Construction Machinery Co., Ltd. Hydraulic valve apparatus
DE4025638C1 (en) * 1990-08-13 1991-12-05 Brueninghaus Hydraulik Gmbh, 7240 Horb, De
US5319932A (en) * 1993-04-28 1994-06-14 Roche Engineering Corporation Power sensing regenerator
US5454223A (en) * 1993-05-28 1995-10-03 Dana Corporation Hydraulic load sensing system with poppet valve having an orifice therein
DE4337210A1 (en) * 1993-10-30 1995-05-04 Rexroth Mannesmann Gmbh Central hydraulic installation for a motor vehicle
DE19713934B4 (en) * 1997-04-04 2004-06-03 Brueninghaus Hydromatik Gmbh Load pressure-controlled flow regulator with flushing circuit
DE10209880A1 (en) * 2002-03-06 2003-09-18 Zf Lenksysteme Gmbh System for controlling a hydraulic variable pump
KR101702253B1 (en) * 2013-03-27 2017-02-03 케이와이비 가부시키가이샤 Pump discharge flow-rate control device
CN103982475B (en) * 2014-05-30 2016-03-02 湖南五新隧道智能装备股份有限公司 A kind of concrete ejection car jib hydraulic control system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2255783A (en) * 1940-02-17 1941-09-16 Manly Corp Fluid pressure device and system
US2892311A (en) * 1958-01-08 1959-06-30 Deere & Co Hydraulic apparatus
US3067693A (en) * 1958-12-24 1962-12-11 United Aircraft Corp Control means for variable delivery pump
US3188971A (en) * 1962-08-13 1965-06-15 Bendix Corp Control system for a pump
US3246471A (en) * 1964-12-10 1966-04-19 Ford Motor Co Hydraulic drive control
US3444689A (en) * 1967-02-02 1969-05-20 Weatherhead Co Differential pressure compensator control
DE1917488B2 (en) * 1969-04-05 1977-06-23 Robert Bosch Gmbh, 7000 Stuttgart CONTROL DEVICE FOR A HYDRO MACHINE
BE757640A (en) * 1969-10-16 1971-04-16 Borg Warner HYDRAULIC SYSTEMS, ESPECIALLY FOR THE REGULATION OF A VARIABLE FLOW PUMP
US3768928A (en) * 1971-06-01 1973-10-30 Borg Warner Pump control system

Also Published As

Publication number Publication date
FR2211054A5 (en) 1974-07-12
DE2350390C3 (en) 1979-08-30
DE2350390B2 (en) 1979-01-11
AU6028973A (en) 1975-03-13
SE383190B (en) 1976-03-01
DE2350390A1 (en) 1974-07-04
JPS589276B2 (en) 1983-02-19
IT996264B (en) 1975-12-10
JPS4989202A (en) 1974-08-26
GB1383490A (en) 1974-02-12
US3856436A (en) 1974-12-24
CA983314A (en) 1976-02-10

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