FR1208950A - Vacuum pump - Google Patents

Vacuum pump

Info

Publication number
FR1208950A
FR1208950A FR1208950DA FR1208950A FR 1208950 A FR1208950 A FR 1208950A FR 1208950D A FR1208950D A FR 1208950DA FR 1208950 A FR1208950 A FR 1208950A
Authority
FR
France
Prior art keywords
vacuum pump
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
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR1208950A publication Critical patent/FR1208950A/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
    • F04D19/044—Holweck-type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1208950D 1957-11-28 1958-11-28 Vacuum pump Expired FR1208950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1208950X 1957-11-28

Publications (1)

Publication Number Publication Date
FR1208950A true FR1208950A (en) 1960-02-26

Family

ID=3687193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1208950D Expired FR1208950A (en) 1957-11-28 1958-11-28 Vacuum pump

Country Status (1)

Country Link
FR (1) FR1208950A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159464A1 (en) * 1984-03-24 1985-10-30 Leybold Aktiengesellschaft Molecular vacuum pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159464A1 (en) * 1984-03-24 1985-10-30 Leybold Aktiengesellschaft Molecular vacuum pump

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