FR925458A - Pompes à vide à flux de vapeur - Google Patents

Pompes à vide à flux de vapeur

Info

Publication number
FR925458A
FR925458A FR925458DA FR925458A FR 925458 A FR925458 A FR 925458A FR 925458D A FR925458D A FR 925458DA FR 925458 A FR925458 A FR 925458A
Authority
FR
France
Prior art keywords
vacuum pumps
vapor flow
flow vacuum
vapor
pumps
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.)
Edwards High Vacuum Ltd
Original Assignee
W Edwards and Company London Ltd
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 W Edwards and Company London Ltd filed Critical W Edwards and Company London Ltd
Application granted granted Critical
Publication of FR925458A publication Critical patent/FR925458A/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)
FR925458D 1944-02-23 1946-04-10 Pompes à vide à flux de vapeur Expired FR925458A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB925458X 1944-02-23

Publications (1)

Publication Number Publication Date
FR925458A true FR925458A (fr) 1947-09-04

Family

ID=10727690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925458D Expired FR925458A (fr) 1944-02-23 1946-04-10 Pompes à vide à flux de vapeur

Country Status (1)

Country Link
FR (1) FR925458A (fr)

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