FR549261A - Method and apparatus for producing a high vacuum - Google Patents

Method and apparatus for producing a high vacuum

Info

Publication number
FR549261A
FR549261A FR549261DA FR549261A FR 549261 A FR549261 A FR 549261A FR 549261D A FR549261D A FR 549261DA FR 549261 A FR549261 A FR 549261A
Authority
FR
France
Prior art keywords
producing
high vacuum
vacuum
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)
Inventor
Nikola Tesla
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 filed Critical
Application granted granted Critical
Publication of FR549261A publication Critical patent/FR549261A/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR549261D 1921-03-24 1922-03-23 Method and apparatus for producing a high vacuum Expired FR549261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB549261X 1921-03-24

Publications (1)

Publication Number Publication Date
FR549261A true FR549261A (en) 1923-02-06

Family

ID=10472476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549261D Expired FR549261A (en) 1921-03-24 1922-03-23 Method and apparatus for producing a high vacuum

Country Status (1)

Country Link
FR (1) FR549261A (en)

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