FR2305612A1 - Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique - Google Patents

Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique

Info

Publication number
FR2305612A1
FR2305612A1 FR7509194A FR7509194A FR2305612A1 FR 2305612 A1 FR2305612 A1 FR 2305612A1 FR 7509194 A FR7509194 A FR 7509194A FR 7509194 A FR7509194 A FR 7509194A FR 2305612 A1 FR2305612 A1 FR 2305612A1
Authority
FR
France
Prior art keywords
hydraulic pump
pistoned
double
calibrated spring
different 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.)
Pending
Application number
FR7509194A
Other languages
English (en)
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.)
HERAULT JACQUES
Original Assignee
HERAULT JACQUES
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 HERAULT JACQUES filed Critical HERAULT JACQUES
Priority to FR7509194A priority Critical patent/FR2305612A1/fr
Publication of FR2305612A1 publication Critical patent/FR2305612A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • F04B23/023—Pumping installations or systems having reservoirs the pump being immersed in the reservoir only the pump-part being immersed, the driving-part being outside the reservoir
    • 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
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/14—Pumps characterised by muscle-power operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Reciprocating Pumps (AREA)
FR7509194A 1975-03-24 1975-03-24 Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique Pending FR2305612A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7509194A FR2305612A1 (fr) 1975-03-24 1975-03-24 Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7509194A FR2305612A1 (fr) 1975-03-24 1975-03-24 Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique

Publications (1)

Publication Number Publication Date
FR2305612A1 true FR2305612A1 (fr) 1976-10-22

Family

ID=9153003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509194A Pending FR2305612A1 (fr) 1975-03-24 1975-03-24 Dispositif permettant a une pompe hydraulique d'avoir dans le meme corps debits et pressions differentes par commande unique

Country Status (1)

Country Link
FR (1) FR2305612A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585413A1 (fr) * 1985-07-26 1987-01-30 Vendee Const Meca Hydraulique Pompe de secours manuelle a debit variable
WO1999023387A1 (fr) * 1997-10-30 1999-05-14 Robert Bosch Gmbh Pompe a piston

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585413A1 (fr) * 1985-07-26 1987-01-30 Vendee Const Meca Hydraulique Pompe de secours manuelle a debit variable
WO1999023387A1 (fr) * 1997-10-30 1999-05-14 Robert Bosch Gmbh Pompe a piston

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