FR938744A - Perfectionnements aux pompes à vide poussé - Google Patents

Perfectionnements aux pompes à vide poussé

Info

Publication number
FR938744A
FR938744A FR938744DA FR938744A FR 938744 A FR938744 A FR 938744A FR 938744D A FR938744D A FR 938744DA FR 938744 A FR938744 A FR 938744A
Authority
FR
France
Prior art keywords
enhancements
high vacuum
vacuum pumps
pumps
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
English (en)
Inventor
Charles Vincent Litton
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR938744A publication Critical patent/FR938744A/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)
FR938744D 1939-01-12 1946-11-07 Perfectionnements aux pompes à vide poussé Expired FR938744A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US938744XA 1939-01-12 1939-01-12

Publications (1)

Publication Number Publication Date
FR938744A true FR938744A (fr) 1948-10-22

Family

ID=22241433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938744D Expired FR938744A (fr) 1939-01-12 1946-11-07 Perfectionnements aux pompes à vide poussé

Country Status (1)

Country Link
FR (1) FR938744A (fr)

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