CA1059369A - Control system for variable displacement pumps - Google Patents

Control system for variable displacement pumps

Info

Publication number
CA1059369A
CA1059369A CA263,123A CA263123A CA1059369A CA 1059369 A CA1059369 A CA 1059369A CA 263123 A CA263123 A CA 263123A CA 1059369 A CA1059369 A CA 1059369A
Authority
CA
Canada
Prior art keywords
control
displacement
rotary
shaft
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
CA263,123A
Other languages
English (en)
French (fr)
Inventor
Edwin L. Shaw
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.)
PepsiAmericas Inc
Original Assignee
Abex 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 Abex Corp filed Critical Abex Corp
Application granted granted Critical
Publication of CA1059369A publication Critical patent/CA1059369A/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
    • F04B49/007—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
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
CA263,123A 1975-12-22 1976-10-12 Control system for variable displacement pumps Expired CA1059369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/642,867 US4008004A (en) 1975-12-22 1975-12-22 Control system for variable displacement pumps

Publications (1)

Publication Number Publication Date
CA1059369A true CA1059369A (en) 1979-07-31

Family

ID=24578374

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263,123A Expired CA1059369A (en) 1975-12-22 1976-10-12 Control system for variable displacement pumps

Country Status (6)

Country Link
US (1) US4008004A (enExample)
JP (1) JPS5280502A (enExample)
CA (1) CA1059369A (enExample)
DE (1) DE2657962A1 (enExample)
FR (1) FR2336572A1 (enExample)
GB (1) GB1544949A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065228A (en) * 1977-02-24 1977-12-27 Caterpillar Tractor Co. Hydraulic control for variable displacement pumps
JPS5741485A (en) * 1980-08-22 1982-03-08 Kawasaki Heavy Ind Ltd Input torque controller for variable displacement pump
JPS57192101U (enExample) * 1981-05-29 1982-12-06
US4911330A (en) * 1987-08-24 1990-03-27 Iowa Mold Tooling Company, Inc. Service vehicle with dispensing system
US7954558B2 (en) * 2007-10-16 2011-06-07 Vermeer Manufacturing Company Devices and methods for power control in horizontal directional drilling
DE102012001369B4 (de) * 2012-01-25 2021-12-16 Robert Bosch Gmbh Verstellbare Hydropumpe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017656A1 (de) * 1969-04-23 1970-11-05 Pensa, Carlo, Esino Lario, Como (Italien) Hydraulische FördermengeneinsteHvorrichtung für eine oder mehrere Pumpen
DE1933951C3 (de) * 1969-07-04 1974-08-29 Hydromatik Gmbh, 7900 Ulm Regelvorrichtung für die Begrenzung der Summe der abgenommenen Leistung zweier oder mehrerer verstellbarer Hydropumpen
FR2057401A5 (enExample) * 1969-08-18 1971-05-21 Lucas Industries Ltd
SE369948B (enExample) * 1969-12-03 1974-09-23 I Soeyland
BE794115A (fr) * 1971-03-24 1973-05-16 Caterpillar Tractor Co Dispositif de valve sommatrice
US3841795A (en) * 1972-07-17 1974-10-15 Caterpillar Tractor Co Combined engine speed and pressure responsive control for variable displacement pumps
US3803987A (en) * 1972-11-14 1974-04-16 Abex Corp Servoactuated hydraulic transducer apparatus
FR2215102A5 (enExample) * 1973-01-22 1974-08-19 Caterpillar Tractor Co
DE2331617A1 (de) * 1973-06-22 1975-01-16 Bosch Gmbh Robert Regeleinrichtung fuer hydropumpen
FR2250389A5 (en) * 1973-11-02 1975-05-30 Caterpillar Tractor Co Variable displacement pump hydraulic drive system - has automatic hydraulic control device to adjust pump displacement as function of motor speed
US3908519A (en) * 1974-10-16 1975-09-30 Abex Corp Control systems for a variable displacement pump
US3963378A (en) * 1975-06-04 1976-06-15 Caterpillar Tractor Co. Part throttle control -- pump override

Also Published As

Publication number Publication date
FR2336572B1 (enExample) 1982-05-21
FR2336572A1 (fr) 1977-07-22
US4008004A (en) 1977-02-15
DE2657962A1 (de) 1977-07-07
GB1544949A (en) 1979-04-25
JPS5280502A (en) 1977-07-06

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