FR864132A - Perfectionnements aux pompes à vide - Google Patents

Perfectionnements aux pompes à vide

Info

Publication number
FR864132A
FR864132A FR864132DA FR864132A FR 864132 A FR864132 A FR 864132A FR 864132D A FR864132D A FR 864132DA FR 864132 A FR864132 A FR 864132A
Authority
FR
France
Prior art keywords
vacuum pump
pump improvements
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
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR864132A publication Critical patent/FR864132A/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR864132D 1939-03-18 1940-03-18 Perfectionnements aux pompes à vide Expired FR864132A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB864132X 1939-03-18

Publications (1)

Publication Number Publication Date
FR864132A true FR864132A (fr) 1941-04-19

Family

ID=10609826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864132D Expired FR864132A (fr) 1939-03-18 1940-03-18 Perfectionnements aux pompes à vide

Country Status (1)

Country Link
FR (1) FR864132A (fr)

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