FR2161179A5 - - Google Patents

Info

Publication number
FR2161179A5
FR2161179A5 FR7140994A FR7140994A FR2161179A5 FR 2161179 A5 FR2161179 A5 FR 2161179A5 FR 7140994 A FR7140994 A FR 7140994A FR 7140994 A FR7140994 A FR 7140994A FR 2161179 A5 FR2161179 A5 FR 2161179A5
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
FR7140994A
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT 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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7140994A priority Critical patent/FR2161179A5/fr
Application granted granted Critical
Publication of FR2161179A5 publication Critical patent/FR2161179A5/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/168—Pumps specially adapted to produce a vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR7140994A 1971-11-16 1971-11-16 Expired FR2161179A5 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7140994A FR2161179A5 (de) 1971-11-16 1971-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140994A FR2161179A5 (de) 1971-11-16 1971-11-16

Publications (1)

Publication Number Publication Date
FR2161179A5 true FR2161179A5 (de) 1973-07-06

Family

ID=9085845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140994A Expired FR2161179A5 (de) 1971-11-16 1971-11-16

Country Status (1)

Country Link
FR (1) FR2161179A5 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994025760A1 (de) * 1993-05-03 1994-11-10 Leybold Aktiengesellschaft Reibungsvakuumpumpe mit unterschiedlich gestalteten pumpenabschnitten
EP0775828A1 (de) * 1992-04-29 1997-05-28 Varian Associates, Inc. Turbomolekular-Vakuumpumpen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775828A1 (de) * 1992-04-29 1997-05-28 Varian Associates, Inc. Turbomolekular-Vakuumpumpen
WO1994025760A1 (de) * 1993-05-03 1994-11-10 Leybold Aktiengesellschaft Reibungsvakuumpumpe mit unterschiedlich gestalteten pumpenabschnitten
US5695316A (en) * 1993-05-03 1997-12-09 Leybold Aktiengesellschaft Friction vacuum pump with pump sections of different designs

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Legal Events

Date Code Title Description
ST Notification of lapse