DE3071999D1 - Torque and high pressure limiting control for variable displacement pumps - Google Patents

Torque and high pressure limiting control for variable displacement pumps

Info

Publication number
DE3071999D1
DE3071999D1 DE8181901178T DE3071999T DE3071999D1 DE 3071999 D1 DE3071999 D1 DE 3071999D1 DE 8181901178 T DE8181901178 T DE 8181901178T DE 3071999 T DE3071999 T DE 3071999T DE 3071999 D1 DE3071999 D1 DE 3071999D1
Authority
DE
Germany
Prior art keywords
torque
high pressure
variable displacement
pressure limiting
displacement pumps
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
DE8181901178T
Other languages
German (de)
English (en)
Inventor
Walter Z Ruseff
James E Schimpf
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 Inc
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 Inc filed Critical Caterpillar Inc
Application granted granted Critical
Publication of DE3071999D1 publication Critical patent/DE3071999D1/de
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
DE8181901178T 1980-09-12 1980-09-12 Torque and high pressure limiting control for variable displacement pumps Expired DE3071999D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/001195 WO1982001047A1 (en) 1980-09-12 1980-09-12 Torque and high pressure limiting control for variable displacement pumps

Publications (1)

Publication Number Publication Date
DE3071999D1 true DE3071999D1 (en) 1987-09-03

Family

ID=22154543

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181901178T Expired DE3071999D1 (en) 1980-09-12 1980-09-12 Torque and high pressure limiting control for variable displacement pumps

Country Status (5)

Country Link
EP (1) EP0059709B1 (OSRAM)
JP (1) JPS57501393A (OSRAM)
BE (1) BE888823A (OSRAM)
DE (1) DE3071999D1 (OSRAM)
WO (1) WO1982001047A1 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854125A (en) * 1987-02-20 1989-08-08 Honda Giken Kogyo Kabushiki Kaisha Hydrostatically operated continuously variable transmission
US4999020A (en) * 1989-11-30 1991-03-12 Lucas Aerospace Power Transmission Corp. Variable displacement high pressure pump with internal power limiting arrangement
US5655463A (en) * 1995-06-19 1997-08-12 Douglas Nagel Apparatus and method for burning waste material
GB2502824A (en) * 2012-06-08 2013-12-11 Water Hydraulics Company Ltd Axial piston variable stroke hydraulic machine
WO2015048635A1 (en) 2013-09-27 2015-04-02 Duke University Mper-liposome conjugates and uses thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034564A (en) * 1976-01-23 1977-07-12 Caterpillar Tractor Co. Piston pump assembly having load responsive controls
US3999892A (en) * 1976-02-09 1976-12-28 Caterpillar Tractor Co. Interconnected pump control means of a plurality of pumps

Also Published As

Publication number Publication date
EP0059709A4 (en) 1984-04-27
EP0059709B1 (en) 1987-07-29
WO1982001047A1 (en) 1982-04-01
JPS57501393A (OSRAM) 1982-08-05
BE888823A (fr) 1981-11-16
EP0059709A1 (en) 1982-09-15

Similar Documents

Publication Publication Date Title
AU542464B2 (en) Submersible pump and control valve
AU551931B2 (en) Pressure controlled reversing valve
JPS57116965A (en) Hydraulic pressure driving system with variable discharging pump
AU545996B2 (en) Variable displacement vane pump
JPS57108476A (en) Constant pressure pump
JPS5797119A (en) Pressure controlling valve
GB2056122B (en) Variable displacement pump control
JPS5716289A (en) High pressure pump
AU539740B2 (en) Variable scroll pump
AU557741B2 (en) Pressure relief valve
AU543505B2 (en) Pressure relief valve
DE3373121D1 (en) Servo control variable displacement pressure compensated pump
AU8615382A (en) Pressure control for centrifugal compressors
DE3071999D1 (en) Torque and high pressure limiting control for variable displacement pumps
AU547836B2 (en) Pump pressure control
AU527655B2 (en) Pressure regulating valve
GB8321043D0 (en) Controlling hydraulic pressure
AU6357580A (en) High pressure pump valves
AU536551B2 (en) High pressure microflowmeter
AU1532783A (en) Variable pressure control valve
AU6917681A (en) Fluid pressure reducing valve
AU561259B2 (en) Variable pump displacement control
GB2090922B (en) Pressure medium pump
DE3173719D1 (en) Variable pressure ratio valve
AU8718382A (en) High pressure pump

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee