CA1198934A - Valve piston for constant displacement pump - Google Patents

Valve piston for constant displacement pump

Info

Publication number
CA1198934A
CA1198934A CA000415585A CA415585A CA1198934A CA 1198934 A CA1198934 A CA 1198934A CA 000415585 A CA000415585 A CA 000415585A CA 415585 A CA415585 A CA 415585A CA 1198934 A CA1198934 A CA 1198934A
Authority
CA
Canada
Prior art keywords
piston
pumping
fluid
hydraulic system
pressure
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
CA000415585A
Other languages
English (en)
French (fr)
Inventor
John E. Langdon
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.)
Case LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1198934A publication Critical patent/CA1198934A/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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F04B1/0535—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders the piston-driving cams being provided with inlets and outlets
    • 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
    • F04B49/22—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 by means of valves
    • F04B49/225—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 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
CA000415585A 1981-12-21 1982-11-15 Valve piston for constant displacement pump Expired CA1198934A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/332,438 US4431379A (en) 1981-12-21 1981-12-21 Valve piston for constant displacement pump
US332,438 1981-12-21

Publications (1)

Publication Number Publication Date
CA1198934A true CA1198934A (en) 1986-01-07

Family

ID=23298238

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000415585A Expired CA1198934A (en) 1981-12-21 1982-11-15 Valve piston for constant displacement pump

Country Status (3)

Country Link
US (1) US4431379A (en:Method)
CA (1) CA1198934A (en:Method)
FR (1) FR2518657A1 (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295807A (en) * 1993-03-01 1994-03-22 The Coca-Cola Company Variable output pump adjustment mechanism
US9200625B2 (en) 2010-12-02 2015-12-01 Sarcos Lc Regenerative hydraulic pump
AU2016277741B2 (en) * 2015-12-30 2022-06-02 Graco Minnesota Inc. Rotating piston for pumps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423677A (en) * 1946-02-02 1947-07-08 Weatherhead Co Compressor pressure control
US2570965A (en) * 1946-12-19 1951-10-09 Phillips Petroleum Co Variable automatic clearance pocket
US2711697A (en) * 1951-01-12 1955-06-28 Lloyd T Gibbs Variable capacity pump
US2739643A (en) * 1953-11-17 1956-03-27 Bosch Gmbh Robert Injection pump
DE1183515B (de) * 1963-05-09 1964-12-17 Hanns Dieter Paschke Dipl Ing Umlaufkolbenmaschine

Also Published As

Publication number Publication date
FR2518657A1 (fr) 1983-06-24
US4431379A (en) 1984-02-14
FR2518657B3 (en:Method) 1985-02-22

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Legal Events

Date Code Title Description
MKEX Expiry