FR2514428B2 - - Google Patents

Info

Publication number
FR2514428B2
FR2514428B2 FR8119103A FR8119103A FR2514428B2 FR 2514428 B2 FR2514428 B2 FR 2514428B2 FR 8119103 A FR8119103 A FR 8119103A FR 8119103 A FR8119103 A FR 8119103A FR 2514428 B2 FR2514428 B2 FR 2514428B2
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
FR8119103A
Other languages
French (fr)
Other versions
FR2514428A2 (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.)
LAGUILHARRE PIERRE
Original Assignee
LAGUILHARRE PIERRE
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
Priority claimed from FR8102929A external-priority patent/FR2500086A1/fr
Application filed by LAGUILHARRE PIERRE filed Critical LAGUILHARRE PIERRE
Priority to FR8119103A priority Critical patent/FR2514428A2/fr
Publication of FR2514428A2 publication Critical patent/FR2514428A2/fr
Application granted granted Critical
Publication of FR2514428B2 publication Critical patent/FR2514428B2/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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
    • 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
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/12—Combinations of two or more pumps the pumps being of different types at least one pump being of the rotary-piston positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/54—Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR8119103A 1981-02-13 1981-10-09 Installation pour la realisation d'un vide, a debit variable Granted FR2514428A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8119103A FR2514428A2 (fr) 1981-02-13 1981-10-09 Installation pour la realisation d'un vide, a debit variable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8102929A FR2500086A1 (fr) 1981-02-13 1981-02-13 Installation pour la realisation d'une difference elevee de pression entre deux points, mettant en oeuvre une pompe a anneau liquide simple etage associee a un ejecteur a jet de liquide
FR8119103A FR2514428A2 (fr) 1981-02-13 1981-10-09 Installation pour la realisation d'un vide, a debit variable

Publications (2)

Publication Number Publication Date
FR2514428A2 FR2514428A2 (fr) 1983-04-15
FR2514428B2 true FR2514428B2 (enrdf_load_stackoverflow) 1984-01-06

Family

ID=26222227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8119103A Granted FR2514428A2 (fr) 1981-02-13 1981-10-09 Installation pour la realisation d'un vide, a debit variable

Country Status (1)

Country Link
FR (1) FR2514428A2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582509A (en) * 1995-08-17 1996-12-10 Bio-Rad Laboratories, Inc. Circulating aspirator with improved temperature control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR892248A (fr) * 1941-10-31 1944-03-31 Burckhardt Ag Maschf Pompe du type à roue à palettes et à anneau de liquide servant au déplacement simultané d'un fluide gazeux et d'un fluide liquide
US3007322A (en) * 1961-04-03 1961-11-07 Adiel Y Dodge Low pressure exhauster
FR1600217A (enrdf_load_stackoverflow) * 1968-03-15 1970-07-20

Also Published As

Publication number Publication date
FR2514428A2 (fr) 1983-04-15

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