CA962130A - Variable displacement pump having pressure compensator control means - Google Patents

Variable displacement pump having pressure compensator control means

Info

Publication number
CA962130A
CA962130A CA142,856A CA142856A CA962130A CA 962130 A CA962130 A CA 962130A CA 142856 A CA142856 A CA 142856A CA 962130 A CA962130 A CA 962130A
Authority
CA
Canada
Prior art keywords
control means
variable displacement
displacement pump
pressure compensator
compensator control
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
CA142,856A
Other versions
CA142856S (en
Inventor
Gilbert Tribley
William B. Norick
Allyn J. Hein
Walter Z. Ruseff
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.)
Caterpillar Inc
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
Application granted granted Critical
Publication of CA962130A publication Critical patent/CA962130A/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
    • F04B49/002—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
    • 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
    • F04B49/08—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
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F04B2205/16—Opening or closing of a valve in a circuit
CA142,856A 1971-06-28 1972-05-24 Variable displacement pump having pressure compensator control means Expired CA962130A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15753571A 1971-06-28 1971-06-28

Publications (1)

Publication Number Publication Date
CA962130A true CA962130A (en) 1975-02-04

Family

ID=22564148

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,856A Expired CA962130A (en) 1971-06-28 1972-05-24 Variable displacement pump having pressure compensator control means

Country Status (7)

Country Link
JP (1) JPS56173783U (en)
AU (1) AU465625B2 (en)
BE (1) BE785525A (en)
BR (1) BR7204131D0 (en)
CA (1) CA962130A (en)
DE (1) DE2231003A1 (en)
GB (1) GB1333540A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1104033A (en) * 1977-02-24 1981-06-30 Commercial Shearing, Inc. Pressure and flow compensated control system with constant torque and viscosity sensing over-ride
DE3308507A1 (en) * 1983-03-10 1984-09-13 Robert Bosch Gmbh, 7000 Stuttgart Axial piston pump
ITRE20030032U1 (en) 2003-12-19 2005-06-20 Annovi Reverberi Spa PERFECT HYDRAULIC PUMP
ITRE20040015U1 (en) 2004-08-02 2004-11-02 Annovi Reverberi Spa BODY FOR DIFFERENT PISTON PUMP

Also Published As

Publication number Publication date
BE785525A (en) 1972-12-28
GB1333540A (en) 1973-10-10
AU4289272A (en) 1973-12-06
JPS56173783U (en) 1981-12-22
BR7204131D0 (en) 1973-06-26
AU465625B2 (en) 1975-10-02
DE2231003A1 (en) 1973-01-18

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