FR2444178A1 - Pompe a debit positif - Google Patents

Pompe a debit positif

Info

Publication number
FR2444178A1
FR2444178A1 FR7930482A FR7930482A FR2444178A1 FR 2444178 A1 FR2444178 A1 FR 2444178A1 FR 7930482 A FR7930482 A FR 7930482A FR 7930482 A FR7930482 A FR 7930482A FR 2444178 A1 FR2444178 A1 FR 2444178A1
Authority
FR
France
Prior art keywords
flow pump
positive flow
fluid
servo
keep
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
FR7930482A
Other languages
English (en)
Other versions
FR2444178B1 (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.)
Hobourn Eaton Ltd
Original Assignee
Hobourn Eaton Ltd
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 Hobourn Eaton Ltd filed Critical Hobourn Eaton Ltd
Publication of FR2444178A1 publication Critical patent/FR2444178A1/fr
Application granted granted Critical
Publication of FR2444178B1 publication Critical patent/FR2444178B1/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Safety Valves (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Flow Control (AREA)

Abstract

a. Système de pompe à débit positif comprenant deux canaux de refoulement du fluide pompé. b. Il comprend en outre un distributeur destiné à maintenir sensiblement constant le débit du système alimentant un circuit externe en faisant passer une quantité variable du fluide refoulé vers un dispositif de débordement. c. Application : servo-commande par exemple.
FR7930482A 1978-12-13 1979-12-12 Pompe a debit positif Granted FR2444178A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7848270 1978-12-13

Publications (2)

Publication Number Publication Date
FR2444178A1 true FR2444178A1 (fr) 1980-07-11
FR2444178B1 FR2444178B1 (fr) 1984-08-10

Family

ID=10501692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930482A Granted FR2444178A1 (fr) 1978-12-13 1979-12-12 Pompe a debit positif

Country Status (5)

Country Link
US (1) US4298315A (fr)
JP (1) JPS5582869A (fr)
DE (1) DE2949736A1 (fr)
FR (1) FR2444178A1 (fr)
IT (1) IT1127689B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040175277A1 (en) * 2002-06-28 2004-09-09 Cox C. Paul Hydrostatic pump assembly having symmetrical endcap

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643613A (en) * 1949-06-02 1953-06-30 Integral Ltd Hydraulic pump
US2878753A (en) * 1954-03-17 1959-03-24 American Brake Shoe Co Vane pump
FR1246014A (fr) * 1959-01-26 1960-11-10 Webster Electric Co Inc Dispositif à deux pompes et à obturateurs de contrôle
GB1331850A (en) * 1970-11-17 1973-09-26 Fiat Spa Self regulating gear pump
DE2630736B1 (de) * 1976-07-08 1977-03-03 Zahnradfabrik Friedrichshafen Drehkolbenpumpe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887060A (en) * 1953-06-22 1959-05-19 American Brake Shoe Co Variable volume pumping mechanism
US2755741A (en) * 1954-05-03 1956-07-24 Vickers Inc Power transmission
US2818813A (en) * 1954-09-09 1958-01-07 Vickers Inc Power transmission
US3384020A (en) * 1966-07-29 1968-05-21 Eaton Yale & Towne Pump
DE2318080A1 (de) * 1973-04-11 1974-10-31 Teves Gmbh Alfred Druckmittelpumpe
JPS5034250A (fr) * 1973-07-26 1975-04-02
US4002027A (en) * 1973-10-01 1977-01-11 Tyrone Hydraulics, Inc. Multiple pump control system
US3985472A (en) * 1975-04-23 1976-10-12 International Harvester Company Combined fixed and variable displacement pump system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643613A (en) * 1949-06-02 1953-06-30 Integral Ltd Hydraulic pump
US2878753A (en) * 1954-03-17 1959-03-24 American Brake Shoe Co Vane pump
FR1246014A (fr) * 1959-01-26 1960-11-10 Webster Electric Co Inc Dispositif à deux pompes et à obturateurs de contrôle
GB1331850A (en) * 1970-11-17 1973-09-26 Fiat Spa Self regulating gear pump
DE2630736B1 (de) * 1976-07-08 1977-03-03 Zahnradfabrik Friedrichshafen Drehkolbenpumpe

Also Published As

Publication number Publication date
IT1127689B (it) 1986-05-21
IT7928013A0 (it) 1979-12-07
US4298315A (en) 1981-11-03
JPS5582869A (en) 1980-06-21
FR2444178B1 (fr) 1984-08-10
DE2949736A1 (de) 1980-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse