CA983314A - Variable displacement hydraulic pump - Google Patents

Variable displacement hydraulic pump

Info

Publication number
CA983314A
CA983314A CA180,910A CA180910A CA983314A CA 983314 A CA983314 A CA 983314A CA 180910 A CA180910 A CA 180910A CA 983314 A CA983314 A CA 983314A
Authority
CA
Canada
Prior art keywords
hydraulic pump
variable displacement
displacement hydraulic
variable
pump
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
CA180,910A
Other languages
English (en)
Other versions
CA180910S (en
Inventor
Kurt R. Lonnemo
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.)
Unisys 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
Priority to IN250/CAL/1974A priority Critical patent/IN140491B/en
Application granted granted Critical
Publication of CA983314A publication Critical patent/CA983314A/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)
CA180,910A 1972-12-18 1973-09-13 Variable displacement hydraulic pump Expired CA983314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IN250/CAL/1974A IN140491B (en]) 1973-07-25 1974-02-06

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA983314A true CA983314A (en) 1976-02-10

Family

ID=23226784

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,910A Expired CA983314A (en) 1972-12-18 1973-09-13 Variable displacement hydraulic 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 (de) * 1974-12-31 1976-07-08 Bosch Gmbh Robert Regeleinrichtung fuer eine pumpe
DE2528963C2 (de) * 1975-06-28 1983-11-03 Karl 7298 Loßburg Hehl Steuervorrichtung für den hydraulischen Kreislauf einer Spritzgießmaschine
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 (sv) * 1976-02-05 1977-09-12 Hytec Ab Metod och anordning for reglering av den effekt som tillfors ett hydrauliskt, ett pneumatiskt eller ett hydraulpneumatiskt system
DE2723074A1 (de) * 1977-05-21 1978-11-30 Bosch Gmbh Robert Verdraengermaschine mit einem druckregler
DE2840687A1 (de) * 1978-09-19 1980-04-03 Bosch Gmbh Robert Einrichtung zur regelung des foerderstroms und zur begrenzung des foerderdrucks einer verstellbaren pumpe.
US4199942A (en) * 1978-09-28 1980-04-29 Eaton Corporation Load sensing control for hydraulic system
DE2906166A1 (de) * 1979-02-17 1980-08-28 Bosch Gmbh Robert Einrichtung zur regelung des foerderstroms und zur begrenzung des foerderdrucks einer verstellbaren pumpe
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 (de) * 1980-04-30 1981-11-05 G.L. Rexroth Gmbh, 8770 Lohr Vorrichtung zum regeln der foerdermenge einer pumpe
DE3027819A1 (de) * 1980-07-23 1982-02-25 Backe, Wolfgang, Prof.Dr.-Ing., 5100 Aachen Vorrichtung zur regelung einer verstellpumpe
DE3146513A1 (de) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden Steuereinrichtung fuer ein hydrostatisches antriebssystem
DE3044143A1 (de) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden Steuereinrichtung fuer ein hydrostatisches antriebssystem
DE3112561C2 (de) * 1981-03-30 1985-09-26 Danfoss A/S, Nordborg Steuervorrichtung für eine Flüssigkeitspumpe mit verstellbarem Fördervolumen
DE3129440A1 (de) * 1981-07-25 1983-02-10 Mannesmann Rexroth GmbH, 8770 Lohr Regeleinrichtung fuer eine verstellpumpe
DE3211307A1 (de) * 1982-03-26 1983-09-29 Linde Ag, 6200 Wiesbaden Einstellbare axialkolbenpumpe mit einem regelorgan und regelorgan fuer solche
DE8335902U1 (de) * 1983-12-14 1987-06-04 Brueninghaus Hydraulik Gmbh, 7240 Horb Drehmomenten-Regeleinrichtung für eine verstellbare Hydropumpe
JPH021522Y2 (en]) * 1986-05-14 1990-01-16
JPH021521Y2 (en]) * 1986-05-14 1990-01-16
DE3622939A1 (de) * 1986-07-08 1988-01-14 Linde Ag Hydraulische steuer- oder regeleinrichtung
DE3805061A1 (de) * 1988-02-18 1989-08-31 Linde Ag Hydraulische schaltanordnung
DE3844398C2 (de) * 1988-12-30 1997-07-31 Rexroth Mannesmann Gmbh Hydraulische Schaltung für eine Verstellpumpe
DE8906826U1 (de) * 1989-06-03 1989-09-07 Keicher, Siegfried, 7906 Blaustein Hydraulische Regeleinrichtung zur Regelung einer Regelpumpe für den Antrieb eines Hydraulikmotors
DE69022991T3 (de) * 1990-01-11 1999-07-15 Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo Hydraulisches ventil
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 (de) * 1993-10-30 1995-05-04 Rexroth Mannesmann Gmbh Zentralhydraulikanlage für ein Kraftfahrzeug
DE19713934B4 (de) * 1997-04-04 2004-06-03 Brueninghaus Hydromatik Gmbh Lastdruckgeführter Förderstromregler mit Spülkreislauf
DE10209880A1 (de) * 2002-03-06 2003-09-18 Zf Lenksysteme Gmbh System zur Steuerung einer hydraulischen Verstellpumpe
JP6251728B2 (ja) * 2013-03-27 2017-12-20 Ｋｙｂ株式会社 ポンプ吐出流量制御装置
CN103982475B (zh) * 2014-05-30 2016-03-02 湖南五新隧道智能装备股份有限公司 一种混凝土喷射车臂架液压控制系统

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 (de) * 1969-04-05 1977-06-23 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung fuer eine hydromaschine
BE757640A (fr) * 1969-10-16 1971-04-16 Borg Warner Systemes hydrauliques, notamment pour la regulation d'une pompea debit variable
US3768928A (en) * 1971-06-01 1973-10-30 Borg Warner Pump control system

Also Published As

Publication number Publication date
US3856436A (en) 1974-12-24
AU473650B2 (en) 1976-07-01
DE2350390C3 (en]) 1979-08-30
AU6028973A (en) 1975-03-13
JPS589276B2 (ja) 1983-02-19
GB1383490A (en) 1974-02-12
FR2211054A5 (en]) 1974-07-12
DE2350390B2 (en]) 1979-01-11
DE2350390A1 (de) 1974-07-04
IT996264B (it) 1975-12-10
SE383190B (sv) 1976-03-01
JPS4989202A (en]) 1974-08-26

Similar Documents

Publication Publication Date Title
CA983314A (en) Variable displacement hydraulic pump
CA990578A (en) Variable displacement hydraulic pump
CA963725A (en) Fluid pump
CA998566A (en) Torque limiting means for variable displacement pumps
CA965301A (en) Hydraulic pump
CA948963A (en) Variable pressure hydraulic system
CA983316A (en) Variable capacity hydraulic pump
CA993724A (en) Gear pump
CA935328A (en) Variable displacement hydraulic pump
AU470891B2 (en) Hydraulic motor or pump
CA1014009A (en) Hydraulic pump
AU452874B2 (en) Hydraulic pump or motor
CA997329A (en) Hydraulic fluids
CA979735A (en) Gear pump
CA983317A (en) Gear pump
AU466502B2 (en) Pump
CA913991A (en) Variable displacement turbine-speed hydrostatic pump
CA891792A (en) Hydraulic pump
AU474054B2 (en) Torque limiting means for variable displacement pumps
AU478887B2 (en) Hydraulic displacement type pumping system
CA903004A (en) Variable displacement vane pump
CA912348A (en) Variable displacement vane pump
AU5520173A (en) Hydraulic displacement type pumping system
CA838423A (en) Variable displacement turbine-speed hydrostatic pump
CA1002811A (en) Hydraulic motor or pump