BE757353A - Perfectionnements aux pompes a vide - Google Patents

Perfectionnements aux pompes a vide

Info

Publication number
BE757353A
BE757353A BE757353DA BE757353A BE 757353 A BE757353 A BE 757353A BE 757353D A BE757353D A BE 757353DA BE 757353 A BE757353 A BE 757353A
Authority
BE
Belgium
Prior art keywords
vacuum pump
pump improvements
vacuum
pump
Prior art date
Application number
Other languages
English (en)
Inventor
G F Osterstrom
Original Assignee
Sargent Welch Scientific Co
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.)
Publication date
Publication of BE757353A publication Critical patent/BE757353A/fr

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
    • F04D19/042—Turbomolecular vacuum pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
BE757353D 1969-10-27 Perfectionnements aux pompes a vide BE757353A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86980669A 1969-10-27 1969-10-27

Publications (1)

Publication Number Publication Date
BE757353A true BE757353A (fr) 1971-03-16

Family

ID=25354303

Family Applications (1)

Application Number Title Priority Date Filing Date
BE757353D BE757353A (fr) 1969-10-27 Perfectionnements aux pompes a vide

Country Status (9)

Country Link
US (1) US3584966A (fr)
JP (1) JPS5027882B1 (fr)
BE (1) BE757353A (fr)
CA (1) CA922675A (fr)
CH (1) CH527368A (fr)
DE (1) DE2046745A1 (fr)
FR (1) FR2065418A5 (fr)
GB (1) GB1321472A (fr)
NL (1) NL7014717A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722164C2 (de) * 1987-07-04 1995-04-20 Balzers Pfeiffer Gmbh Turbomolekularpumpe
US6508631B1 (en) * 1999-11-18 2003-01-21 Mks Instruments, Inc. Radial flow turbomolecular vacuum pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US852030A (en) * 1906-09-08 1907-04-30 William A Nussbaumer Elastic-fluid turbine.
US1793179A (en) * 1927-06-17 1931-02-17 Lanterman Frank Elastic-fluid turbine
US2918208A (en) * 1956-02-02 1959-12-22 Becker Willi Molecular pump
FR1251606A (fr) * 1960-03-15 1961-01-20 Arthur Pfeiffer G M B H Palier pour pompe moléculaire
FR81075E (fr) * 1962-01-23 1963-07-26 Snecma Pompe à vide turbomoléculaire perfectionnée
FR1338250A (fr) * 1962-11-08 1963-09-20 Akad Wissenschaften Ddr Pompe moléculaire
US3332610A (en) * 1965-09-08 1967-07-25 Welch Scient Company Shaft seal with cooling means

Also Published As

Publication number Publication date
US3584966A (en) 1971-06-15
DE2046745A1 (de) 1971-05-06
GB1321472A (en) 1973-06-27
NL7014717A (fr) 1971-04-29
CH527368A (de) 1972-08-31
JPS5027882B1 (fr) 1975-09-11
CA922675A (en) 1973-03-13
FR2065418A5 (fr) 1971-07-23

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SARGENT WELCH CIENTIFIC CY

Effective date: 19891031