BE757355A - COMPOSITE IMPELLERS FOR VACUUM PUMPS - Google Patents

COMPOSITE IMPELLERS FOR VACUUM PUMPS

Info

Publication number
BE757355A
BE757355A BE757355DA BE757355A BE 757355 A BE757355 A BE 757355A BE 757355D A BE757355D A BE 757355DA BE 757355 A BE757355 A BE 757355A
Authority
BE
Belgium
Prior art keywords
vacuum pumps
impellers
composite
composite impellers
pumps
Prior art date
Application number
Other languages
French (fr)
Inventor
C Schulte
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 BE757355A publication Critical patent/BE757355A/en

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)
BE757355D 1969-10-27 COMPOSITE IMPELLERS FOR VACUUM PUMPS BE757355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86996869A 1969-10-27 1969-10-27

Publications (1)

Publication Number Publication Date
BE757355A true BE757355A (en) 1971-03-16

Family

ID=25354525

Family Applications (1)

Application Number Title Priority Date Filing Date
BE757355D BE757355A (en) 1969-10-27 COMPOSITE IMPELLERS FOR VACUUM PUMPS

Country Status (9)

Country Link
US (1) US3659958A (en)
JP (1) JPS5026770B1 (en)
BE (1) BE757355A (en)
CA (1) CA922676A (en)
CH (1) CH535383A (en)
DE (1) DE2046692A1 (en)
FR (1) FR2066533A5 (en)
GB (1) GB1330150A (en)
NL (1) NL7015234A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554995A1 (en) * 1975-12-06 1977-06-16 Pfeiffer Vakuumtechnik TURBOMOLECULAR PUMP
JPS5482571U (en) * 1977-11-24 1979-06-12
GB2498816A (en) * 2012-01-27 2013-07-31 Edwards Ltd Vacuum pump
DE102013100853A1 (en) * 2013-01-29 2014-07-31 Pfeiffer Vacuum Gmbh Process for coating and / or painting magnet rings of a rotor magnetic bearing, rotor magnetic bearing and vacuum pump
CN105526160A (en) * 2014-10-16 2016-04-27 德昌电机(深圳)有限公司 Gear pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1551402A (en) * 1925-08-25 Botob fob elastic-pi
US843237A (en) * 1906-03-31 1907-02-05 Frank D Shepherd Steam-turbine.
DE287964C (en) * 1913-05-31
US2356605A (en) * 1940-01-08 1944-08-22 Meininghaus Ulrich Turbine rotor
US2317092A (en) * 1941-08-02 1943-04-20 Allis Chalmers Mfg Co Welded spindle construction
US2461242A (en) * 1944-08-23 1949-02-08 United Aircraft Corp Rotor construction for turbines
US2440933A (en) * 1945-05-11 1948-05-04 Elliott Co Turbine rotor
US2637521A (en) * 1949-03-01 1953-05-05 Elliott Co Gas turbine rotor and method of welding rotor disks together
US3070348A (en) * 1960-07-25 1962-12-25 Gen Motors Corp Composite rotor
FR1304689A (en) * 1961-08-04 1962-09-28 Snecma Advanced Turbomolecular Vacuum Pump
US3399827A (en) * 1967-05-19 1968-09-03 Everett H. Schwartzman Vacuum pump system

Also Published As

Publication number Publication date
CA922676A (en) 1973-03-13
CH535383A (en) 1973-03-31
FR2066533A5 (en) 1971-08-06
GB1330150A (en) 1973-09-12
DE2046692A1 (en) 1971-05-06
JPS5026770B1 (en) 1975-09-03
NL7015234A (en) 1971-04-29
US3659958A (en) 1972-05-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SARGENT WELCH SCIENTIFIC CY

Effective date: 19891031