FR2893684B1 - Agencement de paliers de secours pour machine tournante a paliers magnetiques actifs - Google Patents

Agencement de paliers de secours pour machine tournante a paliers magnetiques actifs

Info

Publication number
FR2893684B1
FR2893684B1 FR0511891A FR0511891A FR2893684B1 FR 2893684 B1 FR2893684 B1 FR 2893684B1 FR 0511891 A FR0511891 A FR 0511891A FR 0511891 A FR0511891 A FR 0511891A FR 2893684 B1 FR2893684 B1 FR 2893684B1
Authority
FR
France
Prior art keywords
emergency bearing
rotating machine
rotor
bearing arrangement
magnetic bearings
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 - Fee Related
Application number
FR0511891A
Other languages
English (en)
Other versions
FR2893684A1 (fr
Inventor
Maurice Brunet
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.)
Societe de Mecanique Magnetique SA
Original Assignee
Societe de Mecanique Magnetique SA
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 de Mecanique Magnetique SA filed Critical Societe de Mecanique Magnetique SA
Priority to FR0511891A priority Critical patent/FR2893684B1/fr
Publication of FR2893684A1 publication Critical patent/FR2893684A1/fr
Application granted granted Critical
Publication of FR2893684B1 publication Critical patent/FR2893684B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/058—Bearings magnetic; electromagnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/047—Details of housings; Mounting of active 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/048—Active magnetic bearings for rotary movement with active support of two degrees of freedom, e.g. radial 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • 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
    • F16C39/02—Relieving load on bearings using mechanical means
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
    • F16C2300/42—Application independent of particular apparatuses related to environment, i.e. operating conditions corrosive, i.e. with aggressive media or harsh conditions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Rolling Contact Bearings (AREA)
FR0511891A 2005-11-24 2005-11-24 Agencement de paliers de secours pour machine tournante a paliers magnetiques actifs Expired - Fee Related FR2893684B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0511891A FR2893684B1 (fr) 2005-11-24 2005-11-24 Agencement de paliers de secours pour machine tournante a paliers magnetiques actifs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0511891A FR2893684B1 (fr) 2005-11-24 2005-11-24 Agencement de paliers de secours pour machine tournante a paliers magnetiques actifs

Publications (2)

Publication Number Publication Date
FR2893684A1 FR2893684A1 (fr) 2007-05-25
FR2893684B1 true FR2893684B1 (fr) 2009-07-03

Family

ID=36746659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0511891A Expired - Fee Related FR2893684B1 (fr) 2005-11-24 2005-11-24 Agencement de paliers de secours pour machine tournante a paliers magnetiques actifs

Country Status (1)

Country Link
FR (1) FR2893684B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3106668B1 (fr) * 2015-06-17 2020-08-12 Pfeiffer Vacuum Gmbh Pompe à vide
US11352904B2 (en) * 2020-01-17 2022-06-07 Solar Turbines Incorporated Support assembly for a rotary machine
US11846296B2 (en) * 2020-03-13 2023-12-19 Carrier Corporation Flushing of a touchdown bearing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741062A1 (de) * 1977-09-13 1979-03-22 Teldix Gmbh Anordnung zur magnetischen lagerung
DE3027209A1 (de) * 1978-09-28 1982-02-18 Teldix Gmbh, 6900 Heidelberg Schwung- oder reaktionsrad
JP2998441B2 (ja) * 1992-08-19 2000-01-11 株式会社日立製作所 ターボ真空ポンプ
WO1994007033A1 (fr) * 1992-09-23 1994-03-31 United States Of America As Represented By The Secretary Of The Air Force Soufflante turbomoleculaire
FR2712358B1 (fr) * 1993-11-09 1996-02-09 Mecanique Magnetique Sa Dispositif de montage et d'entraînement d'une broche, notamment d'une broche textile.
IT1285864B1 (it) * 1996-05-09 1998-06-24 Varian Spa Gruppo girevole di supporto per rotatore di pompa da vuoto.
US6074165A (en) * 1998-03-10 2000-06-13 Varian, Inc. Vacuum pump with magnetic bearing system and back-up bearings
FR2831621B1 (fr) * 2001-10-25 2004-02-13 Cit Alcatel Utilisation des billes en zircone pour les roulements d'atterrissage des pompes turbomoleculaires sur palier magnetique

Also Published As

Publication number Publication date
FR2893684A1 (fr) 2007-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140731