FR2035140B1 - - Google Patents

Info

Publication number
FR2035140B1
FR2035140B1 FR7008841A FR7008841A FR2035140B1 FR 2035140 B1 FR2035140 B1 FR 2035140B1 FR 7008841 A FR7008841 A FR 7008841A FR 7008841 A FR7008841 A FR 7008841A FR 2035140 B1 FR2035140 B1 FR 2035140B1
Authority
FR
France
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
FR7008841A
Other languages
French (fr)
Other versions
FR2035140A1 (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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of FR2035140A1 publication Critical patent/FR2035140A1/fr
Application granted granted Critical
Publication of FR2035140B1 publication Critical patent/FR2035140B1/fr
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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/101—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
FR7008841A 1969-03-21 1970-03-12 Expired FR2035140B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691914444 DE1914444C3 (en) 1969-03-21 1969-03-21 Gear pump

Publications (2)

Publication Number Publication Date
FR2035140A1 FR2035140A1 (en) 1970-12-18
FR2035140B1 true FR2035140B1 (en) 1975-12-26

Family

ID=5728879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7008841A Expired FR2035140B1 (en) 1969-03-21 1970-03-12

Country Status (5)

Country Link
US (1) US3679335A (en)
JP (1) JPS5120724B1 (en)
DE (1) DE1914444C3 (en)
FR (1) FR2035140B1 (en)
GB (1) GB1269745A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410015C2 (en) * 1984-03-19 1995-09-28 Schwaebische Huettenwerke Gmbh Internal rotor gear oil pump for automotive engines and automatic automotive transmissions
JPS60216087A (en) * 1984-04-12 1985-10-29 Aisin Warner Ltd Internal gear pump provided with partition plate
DE3445454A1 (en) * 1984-12-13 1986-06-26 P.I.V. Antrieb Werner Reimers GmbH & Co KG, 6380 Bad Homburg Multistage internal-gear gear pump
US6672850B2 (en) * 2001-12-21 2004-01-06 Visteon Global Technologies, Inc. Torque control oil pump with low parasitic loss and rapid pressure transient response
DE102007054808A1 (en) * 2007-11-16 2009-05-20 Robert Bosch Gmbh Pump assembly for synchronous pressurization of two fluid circuits
DE102008054474B4 (en) 2008-12-10 2013-07-25 Zf Friedrichshafen Ag Internal gear pump with optimized noise behavior
JP2013170497A (en) * 2012-02-20 2013-09-02 Tokiko Techno Kk Pump unit
DK177834B1 (en) * 2013-02-27 2014-09-08 C C Jensen As Device for processing a liquid under vacuum pressure
US12117003B2 (en) 2019-12-17 2024-10-15 Cummins Inc. Flexible crescent for low pressure fuel pump

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1864459A (en) * 1932-06-21 norviel
US1768818A (en) * 1927-12-15 1930-07-01 Oscar L Bock Internal-gear pump
FR693382A (en) * 1930-04-04 1930-11-19 Improvements to rotary pumps, compressors and similar machines
US2433360A (en) * 1945-01-25 1947-12-30 Hiram H Haight Gear pump
US2544144A (en) * 1947-05-07 1951-03-06 Gen Motors Corp Oil burner pump
US2774309A (en) * 1953-08-14 1956-12-18 Sundstrand Machine Tool Co Pump
US3204564A (en) * 1962-04-06 1965-09-07 Daimler Benz Ag Gear pump
GB1035529A (en) * 1963-08-12 1966-07-13 Lucas Industries Ltd Gear pumps
US3291060A (en) * 1966-03-21 1966-12-13 Lucas Industries Ltd Gear pumps

Also Published As

Publication number Publication date
DE1914444B2 (en) 1972-12-07
JPS5120724B1 (en) 1976-06-28
DE1914444C3 (en) 1973-06-28
GB1269745A (en) 1972-04-06
US3679335A (en) 1972-07-25
FR2035140A1 (en) 1970-12-18
DE1914444A1 (en) 1970-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse