FR879667A - Vacuum pump system - Google Patents

Vacuum pump system

Info

Publication number
FR879667A
FR879667A FR879667DA FR879667A FR 879667 A FR879667 A FR 879667A FR 879667D A FR879667D A FR 879667DA FR 879667 A FR879667 A FR 879667A
Authority
FR
France
Prior art keywords
vacuum pump
pump system
vacuum
pump
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
Application number
Other languages
French (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.)
Rheinmetall Air Defence AG
Maschinenfabrik Oerlikon AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Maschinenfabrik Oerlikon 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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG, Maschinenfabrik Oerlikon AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Application granted granted Critical
Publication of FR879667A publication Critical patent/FR879667A/en
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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F04F9/04—Diffusion pumps in combination with fore pumps, e.g. use of isolating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR879667D 1940-04-13 1941-03-14 Vacuum pump system Expired FR879667A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH879667X 1940-04-13

Publications (1)

Publication Number Publication Date
FR879667A true FR879667A (en) 1943-03-02

Family

ID=4544720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879667D Expired FR879667A (en) 1940-04-13 1941-03-14 Vacuum pump system

Country Status (1)

Country Link
FR (1) FR879667A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044435A1 (en) * 2002-11-07 2004-05-27 Varian, Inc. Vapor jet vacuum pump having ejector stage in foreline conduit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044435A1 (en) * 2002-11-07 2004-05-27 Varian, Inc. Vapor jet vacuum pump having ejector stage in foreline conduit

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