DE3071852D1 - Improved load-plus valve for variable displacement pumps - Google Patents

Improved load-plus valve for variable displacement pumps

Info

Publication number
DE3071852D1
DE3071852D1 DE8181901353T DE3071852T DE3071852D1 DE 3071852 D1 DE3071852 D1 DE 3071852D1 DE 8181901353 T DE8181901353 T DE 8181901353T DE 3071852 T DE3071852 T DE 3071852T DE 3071852 D1 DE3071852 D1 DE 3071852D1
Authority
DE
Germany
Prior art keywords
variable displacement
displacement pumps
improved load
plus valve
plus
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
DE8181901353T
Other languages
German (de)
English (en)
Inventor
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 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 DE3071852D1 publication Critical patent/DE3071852D1/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
DE8181901353T 1980-09-12 1980-09-12 Improved load-plus valve for variable displacement pumps Expired DE3071852D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/001193 WO1982001045A1 (en) 1980-09-12 1980-09-12 Improved load-plus valve for variable displacement pumps

Publications (1)

Publication Number Publication Date
DE3071852D1 true DE3071852D1 (en) 1987-01-15

Family

ID=22154541

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181901353T Expired DE3071852D1 (en) 1980-09-12 1980-09-12 Improved load-plus valve for variable displacement pumps

Country Status (5)

Country Link
EP (1) EP0059712B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57501397A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE890199A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3071852D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1982001045A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797245A (en) * 1972-08-25 1974-03-19 Caterpillar Tractor Co Dual range pressure dependent variable flow fluid delivery system
US4124333A (en) * 1977-10-12 1978-11-07 Caterpillar Tractor Co. Externally adjustable load plus pump control assembly

Also Published As

Publication number Publication date
BE890199A (fr) 1982-01-04
WO1982001045A1 (en) 1982-04-01
EP0059712A4 (en) 1984-06-13
EP0059712B1 (en) 1986-12-03
JPS57501397A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-08-05
EP0059712A1 (en) 1982-09-15

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Legal Events

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