CA939640A - Vertical turbomolecular pumps - Google Patents

Vertical turbomolecular pumps

Info

Publication number
CA939640A
CA939640A CA109,015A CA109015A CA939640A CA 939640 A CA939640 A CA 939640A CA 109015 A CA109015 A CA 109015A CA 939640 A CA939640 A CA 939640A
Authority
CA
Canada
Prior art keywords
turbomolecular pumps
vertical
vertical turbomolecular
pumps
turbomolecular
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
CA109,015A
Other versions
CA109015S (en
Inventor
Marcel-Gustave Rousseau
Robert Berthoumieux
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of CA939640A publication Critical patent/CA939640A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • 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
    • F04D19/048—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
    • F16C2360/45—Turbo-molecular pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
CA109,015A 1970-04-01 1971-03-29 Vertical turbomolecular pumps Expired CA939640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7011572A FR2086526A5 (en) 1970-04-01 1970-04-01

Publications (1)

Publication Number Publication Date
CA939640A true CA939640A (en) 1974-01-08

Family

ID=9053186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109,015A Expired CA939640A (en) 1970-04-01 1971-03-29 Vertical turbomolecular pumps

Country Status (8)

Country Link
US (1) US3771909A (en)
BE (1) BE765042A (en)
CA (1) CA939640A (en)
CH (1) CH529297A (en)
DE (1) DE7112177U (en)
FR (1) FR2086526A5 (en)
GB (1) GB1297740A (en)
NL (1) NL165815C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337226A1 (en) * 1973-07-21 1975-02-06 Maschf Augsburg Nuernberg Ag VACUUM PUMP WITH A RUNNER MOUNTED INSIDE THEIR HOUSING
DE2457783C2 (en) * 1974-12-06 1986-10-09 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetic storage
FR2378487A1 (en) * 1977-02-01 1978-08-25 Lamour Danielle APPARATUS FOR JOINTLY ENSURING THE WAKING UP AND PREPARATION OF A HOT DRINK OR SIMILAR PRODUCT
DE2711065C3 (en) * 1977-03-14 1982-05-19 Gesellschaft für Kernverfahrenstechnik mbH, 5170 Jülich Radially damped backup bearing for supercritically running rotors
US4405286A (en) * 1982-01-21 1983-09-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Actively suspended counter-rotating machine
US4674952A (en) * 1983-10-07 1987-06-23 Sargent-Welch Scientific Company Turbo molecular pump with improved bearing assembly
DE9013672U1 (en) * 1990-09-29 1992-01-30 Leybold AG, 6450 Hanau Stator for a turbomolecular vacuum pump
US5698916A (en) * 1994-11-30 1997-12-16 Nikkiso Co., Ltd. Slender motor for canned motor pump
US7679245B2 (en) * 2001-09-17 2010-03-16 Beacon Power Corporation Repulsive lift systems, flywheel energy storage systems utilizing such systems and methods related thereto
DE102009039120A1 (en) * 2009-08-28 2011-03-03 Pfeiffer Vacuum Gmbh vacuum pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1402053A (en) * 1919-04-07 1922-01-03 Pyle National Co Elastic-fluid turbine
US3107310A (en) * 1960-08-03 1963-10-15 Const Mecanique Magnetic coupling having a magnetic bearing

Also Published As

Publication number Publication date
BE765042A (en) 1971-08-16
NL165815C (en) 1981-05-15
NL165815B (en) 1980-12-15
DE7112177U (en) 1971-07-15
NL7104278A (en) 1971-10-05
GB1297740A (en) 1972-11-29
US3771909A (en) 1973-11-13
CH529297A (en) 1972-10-15
FR2086526A5 (en) 1971-12-31

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