BE765042A - Pompe a vide turbomoleculaire a axe vertical - Google Patents

Pompe a vide turbomoleculaire a axe vertical

Info

Publication number
BE765042A
BE765042A BE765042A BE765042A BE765042A BE 765042 A BE765042 A BE 765042A BE 765042 A BE765042 A BE 765042A BE 765042 A BE765042 A BE 765042A BE 765042 A BE765042 A BE 765042A
Authority
BE
Belgium
Prior art keywords
vertical axis
vacuum pump
turbomolecular vacuum
turbomolecular
pump
Prior art date
Application number
BE765042A
Other languages
English (en)
French (fr)
Inventor
M-G Rousseau
R Berthoumieux
Original Assignee
Snecma
Commissariat A L
En Atomique
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 Snecma, Commissariat A L, En Atomique filed Critical Snecma
Publication of BE765042A publication Critical patent/BE765042A/xx

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)
BE765042A 1970-04-01 1971-03-31 Pompe a vide turbomoleculaire a axe vertical BE765042A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE765042A true BE765042A (fr) 1971-08-16

Family

ID=9053186

Family Applications (1)

Application Number Title Priority Date Filing Date
BE765042A BE765042A (fr) 1970-04-01 1971-03-31 Pompe a vide turbomoleculaire a axe vertical

Country Status (8)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337226A1 (de) * 1973-07-21 1975-02-06 Maschf Augsburg Nuernberg Ag Vakuumpumpe mit einem im innenraum ihres gehaeuses gelagerten laeufer
DE2457783C2 (de) * 1974-12-06 1986-10-09 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetische Lagerung
FR2378487A1 (fr) * 1977-02-01 1978-08-25 Lamour Danielle Appareil pour assurer conjointement le reveil et la preparation d'une boisson chaude ou produit similaire
DE2711065C3 (de) * 1977-03-14 1982-05-19 Gesellschaft für Kernverfahrenstechnik mbH, 5170 Jülich Radial gedämpftes Fanglager für überkritisch laufende Rotoren
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 (de) * 1990-09-29 1992-01-30 Leybold AG, 6450 Hanau Stator für eine Turbomolekularvakuumpumpe
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 (de) * 2009-08-28 2011-03-03 Pfeiffer Vacuum Gmbh Vakuumpumpe

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
GB1297740A (enrdf_load_stackoverflow) 1972-11-29
CH529297A (fr) 1972-10-15
US3771909A (en) 1973-11-13
NL165815C (nl) 1981-05-15
NL7104278A (enrdf_load_stackoverflow) 1971-10-05
NL165815B (nl) 1980-12-15
DE7112177U (de) 1971-07-15
CA939640A (en) 1974-01-08
FR2086526A5 (enrdf_load_stackoverflow) 1971-12-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. NATIONALE D'ETUDE DE CONSTRUCTION DE MOTEURS

Effective date: 19840331