FR2518657A1 - Piston d'obturation pour pompe a cylindree fixe - Google Patents

Piston d'obturation pour pompe a cylindree fixe Download PDF

Info

Publication number
FR2518657A1
FR2518657A1 FR8221196A FR8221196A FR2518657A1 FR 2518657 A1 FR2518657 A1 FR 2518657A1 FR 8221196 A FR8221196 A FR 8221196A FR 8221196 A FR8221196 A FR 8221196A FR 2518657 A1 FR2518657 A1 FR 2518657A1
Authority
FR
France
Prior art keywords
piston
fluid
pumping
pressure
hydraulic system
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.)
Granted
Application number
FR8221196A
Other languages
English (en)
French (fr)
Other versions
FR2518657B3 (OSRAM
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
JI Case 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 JI Case Co filed Critical JI Case Co
Publication of FR2518657A1 publication Critical patent/FR2518657A1/fr
Application granted granted Critical
Publication of FR2518657B3 publication Critical patent/FR2518657B3/fr
Granted 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)
FR8221196A 1981-12-21 1982-12-17 Piston d'obturation pour pompe a cylindree fixe Granted FR2518657A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2518657A1 true FR2518657A1 (fr) 1983-06-24
FR2518657B3 FR2518657B3 (OSRAM) 1985-02-22

Family

ID=23298238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8221196A Granted FR2518657A1 (fr) 1981-12-21 1982-12-17 Piston d'obturation pour pompe a cylindree fixe

Country Status (3)

Country Link
US (1) US4431379A (OSRAM)
CA (1) CA1198934A (OSRAM)
FR (1) FR2518657A1 (OSRAM)

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
CA1198934A (en) 1986-01-07
US4431379A (en) 1984-02-14
FR2518657B3 (OSRAM) 1985-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse