FR2177171A5 - - Google Patents

Info

Publication number
FR2177171A5
FR2177171A5 FR7209954A FR7209954A FR2177171A5 FR 2177171 A5 FR2177171 A5 FR 2177171A5 FR 7209954 A FR7209954 A FR 7209954A FR 7209954 A FR7209954 A FR 7209954A FR 2177171 A5 FR2177171 A5 FR 2177171A5
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
FR7209954A
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.)
OMPHALE SA
Original Assignee
OMPHALE SA
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 OMPHALE SA filed Critical OMPHALE SA
Priority to FR7209954A priority Critical patent/FR2177171A5/fr
Priority to IT4825573A priority patent/IT977346B/it
Priority to DE19732309796 priority patent/DE2309796A1/de
Priority to JP48031949A priority patent/JPS496504A/ja
Application granted granted Critical
Publication of FR2177171A5 publication Critical patent/FR2177171A5/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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/16—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using lift valves
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Motors (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR7209954A 1972-03-22 1972-03-22 Expired FR2177171A5 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7209954A FR2177171A5 (fr) 1972-03-22 1972-03-22
IT4825573A IT977346B (it) 1972-03-22 1973-02-14 Perfezionamento nelle macchine a vite globoidale per far variare la pressione di un fluido
DE19732309796 DE2309796A1 (de) 1972-03-22 1973-02-27 Maschine mit globoidschnecke zur veraenderung des drucks eines stroemungsmittels
JP48031949A JPS496504A (fr) 1972-03-22 1973-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7209954A FR2177171A5 (fr) 1972-03-22 1972-03-22

Publications (1)

Publication Number Publication Date
FR2177171A5 true FR2177171A5 (fr) 1973-11-02

Family

ID=9095607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7209954A Expired FR2177171A5 (fr) 1972-03-22 1972-03-22

Country Status (4)

Country Link
JP (1) JPS496504A (fr)
DE (1) DE2309796A1 (fr)
FR (1) FR2177171A5 (fr)
IT (1) IT977346B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321613A1 (fr) * 1975-08-21 1977-03-18 Monovis Bv Regulateur de charge pour machine fluidique a vis et a rotor de cloisonnement
FR2483537A1 (fr) * 1980-06-02 1981-12-04 Sullair Tech Ab Agencement de vannes pour le controle de capacite de compresseurs a vis a injection d'huile
US4534719A (en) * 1982-05-13 1985-08-13 Bernard Zimmern Volumetric screw-and-pinion machine and a method for using the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177338C (nl) * 1975-01-31 1985-09-02 Grasso Koninkl Maschf Roterende verdringingscompressor.
JPS6140795U (ja) * 1984-08-17 1986-03-14 ソニー株式会社 電子機器の蓋体
JPS6139493U (ja) * 1984-08-17 1986-03-12 株式会社荏原製作所 グラインダ−ポンプ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321613A1 (fr) * 1975-08-21 1977-03-18 Monovis Bv Regulateur de charge pour machine fluidique a vis et a rotor de cloisonnement
FR2483537A1 (fr) * 1980-06-02 1981-12-04 Sullair Tech Ab Agencement de vannes pour le controle de capacite de compresseurs a vis a injection d'huile
US4534719A (en) * 1982-05-13 1985-08-13 Bernard Zimmern Volumetric screw-and-pinion machine and a method for using the same

Also Published As

Publication number Publication date
DE2309796A1 (de) 1973-10-04
IT977346B (it) 1974-09-10
JPS496504A (fr) 1974-01-21

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Legal Events

Date Code Title Description
CL Concession to grant licenses
CD Change of name or company name
CL Concession to grant licenses
TP Transmission of property
CL Concession to grant licenses
CL Concession to grant licenses
ST Notification of lapse