FR977799A - Variable flow pump - Google Patents

Variable flow pump

Info

Publication number
FR977799A
FR977799A FR977799DA FR977799A FR 977799 A FR977799 A FR 977799A FR 977799D A FR977799D A FR 977799DA FR 977799 A FR977799 A FR 977799A
Authority
FR
France
Prior art keywords
flow pump
variable flow
variable
pump
flow
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
Other languages
French (fr)
Inventor
Jean-Charles Pradal
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 filed Critical
Application granted granted Critical
Publication of FR977799A publication Critical patent/FR977799A/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
    • F04B49/005—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 changing the phase relationship of two working pistons in one working chamber or the phase-relationship of a piston and a driven distribution member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR977799D 1942-11-17 1942-11-17 Variable flow pump Expired FR977799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977799T 1942-11-17

Publications (1)

Publication Number Publication Date
FR977799A true FR977799A (en) 1951-04-05

Family

ID=9520044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977799D Expired FR977799A (en) 1942-11-17 1942-11-17 Variable flow pump

Country Status (1)

Country Link
FR (1) FR977799A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310479A1 (en) * 1975-05-07 1976-12-03 Jagenberg Werke Ag Pump for filling milk bottles - has two electronically controlled pistons working in common chamber and has two electronically controlled valves
US4158530A (en) * 1974-07-01 1979-06-19 Bernstein Robert E Pumping apparatus comprising two collapsible chambers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158530A (en) * 1974-07-01 1979-06-19 Bernstein Robert E Pumping apparatus comprising two collapsible chambers
FR2310479A1 (en) * 1975-05-07 1976-12-03 Jagenberg Werke Ag Pump for filling milk bottles - has two electronically controlled pistons working in common chamber and has two electronically controlled valves

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