FR1181664A - Improvements to piston pumps - Google Patents

Improvements to piston pumps

Info

Publication number
FR1181664A
FR1181664A FR1181664DA FR1181664A FR 1181664 A FR1181664 A FR 1181664A FR 1181664D A FR1181664D A FR 1181664DA FR 1181664 A FR1181664 A FR 1181664A
Authority
FR
France
Prior art keywords
piston pumps
pumps
piston
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)
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.)
Hersan & Cie
Original Assignee
Hersan & Cie
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 Hersan & Cie filed Critical Hersan & Cie
Application granted granted Critical
Publication of FR1181664A publication Critical patent/FR1181664A/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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/121—Valves; Arrangement of valves arranged in or on pistons the valve being an annular ring surrounding the piston, e.g. an O-ring
    • 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
    • F04B49/18—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 changing the effective cross-section of the working surface of the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1181664D 1957-08-26 1957-08-26 Improvements to piston pumps Expired FR1181664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1181664T 1957-08-26

Publications (1)

Publication Number Publication Date
FR1181664A true FR1181664A (en) 1959-06-17

Family

ID=9662230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1181664D Expired FR1181664A (en) 1957-08-26 1957-08-26 Improvements to piston pumps

Country Status (1)

Country Link
FR (1) FR1181664A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331510A1 (en) * 1975-11-15 1977-06-10 Jungheinrich Kg HYDRAULIC LIFTING DEVICE INCLUDING A LIFT CYLINDER ASSEMBLY AND A MANUALLY OPERATED CYLINDER AND PISTON PUMP ASSEMBLY
EP0020811A1 (en) * 1979-06-13 1981-01-07 Fritz Wegerdt Positive control for hydrostatic engines, particularly radial-piston engines
US5380175A (en) * 1992-09-02 1995-01-10 Fuji Xerox Fluid feed pump with valved piston device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331510A1 (en) * 1975-11-15 1977-06-10 Jungheinrich Kg HYDRAULIC LIFTING DEVICE INCLUDING A LIFT CYLINDER ASSEMBLY AND A MANUALLY OPERATED CYLINDER AND PISTON PUMP ASSEMBLY
EP0020811A1 (en) * 1979-06-13 1981-01-07 Fritz Wegerdt Positive control for hydrostatic engines, particularly radial-piston engines
US5380175A (en) * 1992-09-02 1995-01-10 Fuji Xerox Fluid feed pump with valved piston device

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