DD95760A5 - - Google Patents

Info

Publication number
DD95760A5
DD95760A5 DD161425A DD16142572A DD95760A5 DD 95760 A5 DD95760 A5 DD 95760A5 DD 161425 A DD161425 A DD 161425A DD 16142572 A DD16142572 A DD 16142572A DD 95760 A5 DD95760 A5 DD 95760A5
Authority
DD
German Democratic Republic
Application number
DD161425A
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 DD95760A5 publication Critical patent/DD95760A5/xx

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
    • 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
    • F04B49/06—Control using electricity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
DD161425A 1971-03-10 1972-03-08 DD95760A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712111359 DE2111359A1 (de) 1971-03-10 1971-03-10 Regeleinrichtung fuer eine Hydropumpe

Publications (1)

Publication Number Publication Date
DD95760A5 true DD95760A5 (xx) 1973-02-12

Family

ID=5801026

Family Applications (1)

Application Number Title Priority Date Filing Date
DD161425A DD95760A5 (xx) 1971-03-10 1972-03-08

Country Status (7)

Country Link
US (1) US3788775A (xx)
CH (1) CH533241A (xx)
DD (1) DD95760A5 (xx)
DE (1) DE2111359A1 (xx)
FR (1) FR2129570A5 (xx)
GB (1) GB1376829A (xx)
IT (1) IT949930B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2727555A1 (de) * 1977-06-18 1979-01-04 Bosch Gmbh Robert Steuervorrichtung fuer hydrostatische verdraengeraggregate
US4285639A (en) * 1979-06-12 1981-08-25 Parker-Hannifin Corporation Electronic control for variable displacement pumps
US4248137A (en) * 1979-07-23 1981-02-03 Moog Inc. Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller
USRE31657E (en) * 1979-07-23 1984-09-04 Moog Inc. Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller
US4395199A (en) * 1979-10-15 1983-07-26 Hitachi Construction Machinery Co., Ltd. Control method of a system of internal combustion engine and hydraulic pump
JPS56139316A (en) * 1980-01-07 1981-10-30 Komatsu Ltd Power loss reduction controller for oil-pressure type construction machine
DE3044515A1 (de) * 1980-11-26 1982-06-03 bso Steuerungstechnik GmbH, 6603 Sulzbach Verstelleinrichtung fuer hydraulikpumpe mit verstellbarer foerdermenge
EP0076876A1 (de) * 1981-10-14 1983-04-20 Sperry Vickers Zweigniederlassung der Sperry GmbH Anordnung mit Flügelzellenpumpe für einstellbare Leistungen des Förderstromes
US4456434A (en) * 1982-03-01 1984-06-26 Vickers, Incorporated Power transmission
DE3208250A1 (de) * 1982-03-08 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum steuern und/oder regeln einer axialkolbenmaschine
US4474104A (en) * 1983-04-11 1984-10-02 Double A Products Co. Control system for variable displacement pumps and motors
US4494911A (en) * 1983-04-29 1985-01-22 General Signal Corporation Piston pump servo control
US4523892A (en) * 1984-05-14 1985-06-18 Caterpillar Tractor Co. Hydrostatic vehicle control
US4534707A (en) * 1984-05-14 1985-08-13 Caterpillar Tractor Co. Hydrostatic vehicle control
DE3517104A1 (de) * 1985-05-11 1986-11-13 Mannesmann Rexroth GmbH, 8770 Lohr Antriebssystem mit einer verstellbaren hydrostatischen maschine
US4655689A (en) * 1985-09-20 1987-04-07 General Signal Corporation Electronic control system for a variable displacement pump
US5133644A (en) * 1991-01-17 1992-07-28 Halliburton Company Multi-pressure compensation of variable displacement pump
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
DE4410719A1 (de) * 1994-03-28 1995-10-05 Bosch Gmbh Robert Elektrohydraulisch verstellbare Pumpe
US6623247B2 (en) * 2001-05-16 2003-09-23 Caterpillar Inc Method and apparatus for controlling a variable displacement hydraulic pump
US6848254B2 (en) * 2003-06-30 2005-02-01 Caterpillar Inc. Method and apparatus for controlling a hydraulic motor
US20090053072A1 (en) * 2007-08-21 2009-02-26 Justin Borgstadt Integrated "One Pump" Control of Pumping Equipment
US8522543B2 (en) * 2008-12-23 2013-09-03 Caterpillar Inc. Hydraulic control system utilizing feed-forward control
US8511080B2 (en) * 2008-12-23 2013-08-20 Caterpillar Inc. Hydraulic control system having flow force compensation
US20170350096A1 (en) * 2015-01-09 2017-12-07 Volvo Construction Equipment Ab Hydraulic pump control apparatus for construction equipment and control method thereof
CN112983798B (zh) * 2021-03-25 2023-02-24 烟台杰瑞石油装备技术有限公司 应用于电驱压裂设备的控制方法及其控制装置
CN115380152B (zh) 2022-06-24 2023-08-18 烟台杰瑞石油装备技术有限公司 一种压裂控制方法及压裂***

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977765A (en) * 1959-12-23 1961-04-04 Honeywell Regulator Co Servo motor control apparatus
US3429225A (en) * 1966-06-09 1969-02-25 Abex Corp Electrohydraulic displacement control with mechanical feedback
US3424370A (en) * 1967-03-13 1969-01-28 Carrier Corp Gas compression systems
DE1650785B2 (de) * 1968-02-27 1976-10-28 Klöckner-Ferromatic GmbH, 7831 Malterdingen Vorrichtung fuer die antriebsregelung von spritzgiessmaschinen
US3516605A (en) * 1968-11-01 1970-06-23 Gen Electric Fluidic multiplier circuit
US3667225A (en) * 1970-08-12 1972-06-06 Scott Equipment Co Hydrostatic drive and control system therefor

Also Published As

Publication number Publication date
US3788775A (en) 1974-01-29
IT949930B (it) 1973-06-11
CH533241A (de) 1973-01-31
GB1376829A (en) 1974-12-11
FR2129570A5 (xx) 1972-10-27
DE2111359A1 (de) 1972-09-28

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