FR2425006B1 - Pompe d'evacuation pour liquide maintenu sous vide - Google Patents

Pompe d'evacuation pour liquide maintenu sous vide

Info

Publication number
FR2425006B1
FR2425006B1 FR7813389A FR7813389A FR2425006B1 FR 2425006 B1 FR2425006 B1 FR 2425006B1 FR 7813389 A FR7813389 A FR 7813389A FR 7813389 A FR7813389 A FR 7813389A FR 2425006 B1 FR2425006 B1 FR 2425006B1
Authority
FR
France
Prior art keywords
keeped
vacuum
liquid
evacuation pump
evacuation
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
FR7813389A
Other languages
English (en)
Other versions
FR2425006A1 (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.)
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 FR7813389A priority Critical patent/FR2425006B1/fr
Publication of FR2425006A1 publication Critical patent/FR2425006A1/fr
Application granted granted Critical
Publication of FR2425006B1 publication Critical patent/FR2425006B1/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
    • 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
    • F04D17/18—Centrifugal pumps characterised by use of centrifugal force of liquids entrained in pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR7813389A 1978-05-05 1978-05-05 Pompe d'evacuation pour liquide maintenu sous vide Expired FR2425006B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7813389A FR2425006B1 (fr) 1978-05-05 1978-05-05 Pompe d'evacuation pour liquide maintenu sous vide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7813389A FR2425006B1 (fr) 1978-05-05 1978-05-05 Pompe d'evacuation pour liquide maintenu sous vide

Publications (2)

Publication Number Publication Date
FR2425006A1 FR2425006A1 (fr) 1979-11-30
FR2425006B1 true FR2425006B1 (fr) 1985-08-16

Family

ID=9207952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813389A Expired FR2425006B1 (fr) 1978-05-05 1978-05-05 Pompe d'evacuation pour liquide maintenu sous vide

Country Status (1)

Country Link
FR (1) FR2425006B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946289A (en) * 1958-04-14 1960-07-26 Porter G Love Centrifugal pump
CH507723A (fr) * 1967-07-04 1971-05-31 Battelle Development Corp Evaporateur pour la concentration de solutions
CH501198A (fr) * 1967-07-04 1970-12-31 Battelle Development Corp Condenseur
US3459990A (en) * 1967-07-27 1969-08-05 Westinghouse Electric Corp Voltage regulated direct view storage tube precollimation system
CH488114A (de) * 1968-08-22 1970-03-31 Bungartz Paul Vertikale Kreiselpumpe mit nach unten gerichtetem Saugmund
DE2059294A1 (de) * 1970-12-02 1972-06-08 Metallgesellschaft Ag Verfahren zum Abpumpen von Fluessigkeiten aus unter Vakuum stehenden Behaeltern mittels Kreiselpumpen
US4036427A (en) * 1975-06-06 1977-07-19 Kobe, Inc. Combination pitot pump and centrifugal separator

Also Published As

Publication number Publication date
FR2425006A1 (fr) 1979-11-30

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Legal Events

Date Code Title Description
ST Notification of lapse