FR2645915B1 - DOUBLE ROTOR-VALVE VOLUMETRIC PUMP - Google Patents

DOUBLE ROTOR-VALVE VOLUMETRIC PUMP

Info

Publication number
FR2645915B1
FR2645915B1 FR8905426A FR8905426A FR2645915B1 FR 2645915 B1 FR2645915 B1 FR 2645915B1 FR 8905426 A FR8905426 A FR 8905426A FR 8905426 A FR8905426 A FR 8905426A FR 2645915 B1 FR2645915 B1 FR 2645915B1
Authority
FR
France
Prior art keywords
volumetric pump
double rotor
valve volumetric
valve
rotor
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 - Fee Related
Application number
FR8905426A
Other languages
French (fr)
Other versions
FR2645915A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8905426A priority Critical patent/FR2645915B1/en
Publication of FR2645915A1 publication Critical patent/FR2645915A1/en
Application granted granted Critical
Publication of FR2645915B1 publication Critical patent/FR2645915B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
    • 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
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/40—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C2/08 or F04C2/22 and having a hinged member
    • F04C2/46—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C2/08 or F04C2/22 and having a hinged member with vanes hinged to the outer member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
FR8905426A 1989-04-17 1989-04-17 DOUBLE ROTOR-VALVE VOLUMETRIC PUMP Expired - Fee Related FR2645915B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8905426A FR2645915B1 (en) 1989-04-17 1989-04-17 DOUBLE ROTOR-VALVE VOLUMETRIC PUMP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8905426A FR2645915B1 (en) 1989-04-17 1989-04-17 DOUBLE ROTOR-VALVE VOLUMETRIC PUMP

Publications (2)

Publication Number Publication Date
FR2645915A1 FR2645915A1 (en) 1990-10-19
FR2645915B1 true FR2645915B1 (en) 1994-05-20

Family

ID=9381069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8905426A Expired - Fee Related FR2645915B1 (en) 1989-04-17 1989-04-17 DOUBLE ROTOR-VALVE VOLUMETRIC PUMP

Country Status (1)

Country Link
FR (1) FR2645915B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3559222B2 (en) 2000-06-15 2004-08-25 レオン自動機株式会社 Wrapping machine
FR3127530B1 (en) * 2021-09-30 2023-09-08 PMH Equipements positive displacement lobe pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1889822A (en) * 1930-05-10 1932-12-06 Kenneth S Clapp Pump
FR987503A (en) * 1943-02-27 1951-08-14 Ateliers De Mecanique Et De Ch Improvements to oil pumps and others
FR1060137A (en) * 1952-07-03 1954-03-30 Serrado Ets Pump, especially for thick materials
US3513477A (en) * 1969-07-08 1970-05-19 Torahiko Hayashi Apparatus for measuring and feeding food dressing material

Also Published As

Publication number Publication date
FR2645915A1 (en) 1990-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse