NL165815C - TURBO MOLECULAR PUMP WITH MAGNETIC CENTERING ARMS. - Google Patents

TURBO MOLECULAR PUMP WITH MAGNETIC CENTERING ARMS.

Info

Publication number
NL165815C
NL165815C NL7104278.A NL7104278A NL165815C NL 165815 C NL165815 C NL 165815C NL 7104278 A NL7104278 A NL 7104278A NL 165815 C NL165815 C NL 165815C
Authority
NL
Netherlands
Prior art keywords
molecular pump
turbo molecular
centering arms
magnetic centering
magnetic
Prior art date
Application number
NL7104278.A
Other languages
Dutch (nl)
Other versions
NL7104278A (en
NL165815B (en
Inventor
Marcel-Gustav Rousseau
Robert Berthoumieux
Original Assignee
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 Snecma filed Critical Snecma
Publication of NL7104278A publication Critical patent/NL7104278A/xx
Publication of NL165815B publication Critical patent/NL165815B/en
Application granted granted Critical
Publication of NL165815C publication Critical patent/NL165815C/en

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)
NL7104278.A 1970-04-01 1971-03-31 TURBO MOLECULAR PUMP WITH MAGNETIC CENTERING ARMS. NL165815C (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7104278A NL7104278A (en) 1971-10-05
NL165815B NL165815B (en) 1980-12-15
NL165815C true NL165815C (en) 1981-05-15

Family

ID=9053186

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7104278.A NL165815C (en) 1970-04-01 1971-03-31 TURBO MOLECULAR PUMP WITH MAGNETIC CENTERING ARMS.

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674952A (en) * 1983-10-07 1987-06-23 Sargent-Welch Scientific Company Turbo molecular pump with improved bearing assembly

Families Citing this family (9)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674952A (en) * 1983-10-07 1987-06-23 Sargent-Welch Scientific Company Turbo molecular pump with improved bearing assembly

Also Published As

Publication number Publication date
FR2086526A5 (en) 1971-12-31
BE765042A (en) 1971-08-16
CA939640A (en) 1974-01-08
GB1297740A (en) 1972-11-29
CH529297A (en) 1972-10-15
NL7104278A (en) 1971-10-05
DE7112177U (en) 1971-07-15
NL165815B (en) 1980-12-15
US3771909A (en) 1973-11-13

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee