FR1158456A - Vapor vacuum pump - Google Patents

Vapor vacuum pump

Info

Publication number
FR1158456A
FR1158456A FR1158456DA FR1158456A FR 1158456 A FR1158456 A FR 1158456A FR 1158456D A FR1158456D A FR 1158456DA FR 1158456 A FR1158456 A FR 1158456A
Authority
FR
France
Prior art keywords
vacuum pump
vapor vacuum
vapor
pump
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)
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
Edwards High Vacuum 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 Edwards High Vacuum Ltd filed Critical Edwards High Vacuum Ltd
Application granted granted Critical
Publication of FR1158456A publication Critical patent/FR1158456A/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
    • 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)
FR1158456D 1954-08-31 1955-08-31 Vapor vacuum pump Expired FR1158456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1158456X 1954-08-31

Publications (1)

Publication Number Publication Date
FR1158456A true FR1158456A (en) 1958-06-16

Family

ID=10878511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158456D Expired FR1158456A (en) 1954-08-31 1955-08-31 Vapor vacuum pump

Country Status (1)

Country Link
FR (1) FR1158456A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654280A (en) * 1989-12-21 1997-08-05 Perstorp Ab Pharmaceutical composition
WO2013136015A1 (en) 2012-03-16 2013-09-19 Schneider Electric Industries Sas Mixture of a hydrofluoroolefin and hydrofluorocarbon for improving internal arc resistance in medium- and high-voltage electrical apparatuses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654280A (en) * 1989-12-21 1997-08-05 Perstorp Ab Pharmaceutical composition
WO2013136015A1 (en) 2012-03-16 2013-09-19 Schneider Electric Industries Sas Mixture of a hydrofluoroolefin and hydrofluorocarbon for improving internal arc resistance in medium- and high-voltage electrical apparatuses
US9293280B2 (en) 2012-03-16 2016-03-22 Schneider Electric Industries Sas Mixture of hydrofluoroolefine and hydrofluorocarbide to improve the internal ARC resistance in medium and high voltage electric apparatus

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