FR2613791B1 - Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active - Google Patents

Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active

Info

Publication number
FR2613791B1
FR2613791B1 FR8705042A FR8705042A FR2613791B1 FR 2613791 B1 FR2613791 B1 FR 2613791B1 FR 8705042 A FR8705042 A FR 8705042A FR 8705042 A FR8705042 A FR 8705042A FR 2613791 B1 FR2613791 B1 FR 2613791B1
Authority
FR
France
Prior art keywords
turbomachine
application
emergency landing
magnetic bearing
magnetic suspension
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
FR8705042A
Other languages
English (en)
French (fr)
Other versions
FR2613791A1 (fr
Inventor
Jean-Philippe N Girault
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 Europeenne de Propulsion SEP SA
Original Assignee
Societe Europeenne de Propulsion SEP 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 Europeenne de Propulsion SEP SA filed Critical Societe Europeenne de Propulsion SEP SA
Priority to FR8705042A priority Critical patent/FR2613791B1/fr
Priority to US07/175,165 priority patent/US4929158A/en
Priority to DE8888400848T priority patent/DE3863672D1/de
Priority to EP19880400848 priority patent/EP0287440B1/fr
Priority to JP63085483A priority patent/JPS63263226A/ja
Priority to ES198888400848T priority patent/ES2025790T3/es
Publication of FR2613791A1 publication Critical patent/FR2613791A1/fr
Priority to US07/513,914 priority patent/US5126612A/en
Application granted granted Critical
Publication of FR2613791B1 publication Critical patent/FR2613791B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/20—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with emergency supports or 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
    • F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting 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
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • F05D2240/51—Magnetic
    • F05D2240/515—Electromagnetic
    • 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
    • F16C2300/62—Application independent of particular apparatuses related to environment, i.e. operating conditions low pressure, e.g. elements operating under vacuum conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Sliding-Contact Bearings (AREA)
FR8705042A 1987-04-09 1987-04-09 Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active Expired - Fee Related FR2613791B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8705042A FR2613791B1 (fr) 1987-04-09 1987-04-09 Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active
US07/175,165 US4929158A (en) 1987-04-09 1988-03-30 Turbopump with actine suspension for a propulsion system
EP19880400848 EP0287440B1 (fr) 1987-04-09 1988-04-08 Palier magnétique actif avec atterrisseur de secours
JP63085483A JPS63263226A (ja) 1987-04-09 1988-04-08 補助軸受を組み込まれたラジアルマグネット軸受と、マグネチックサスペンションを具えたタービン式機械へのこれの応用
DE8888400848T DE3863672D1 (de) 1987-04-09 1988-04-08 Aktives magnetlager mit stuetzlager.
ES198888400848T ES2025790T3 (es) 1987-04-09 1988-04-08 Cojinete magnetico activo radial con dispositivo aterrizador auxiliar.
US07/513,914 US5126612A (en) 1987-04-09 1990-04-24 Active radial magnetic bearing combined with a back-up bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8705042A FR2613791B1 (fr) 1987-04-09 1987-04-09 Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active

Publications (2)

Publication Number Publication Date
FR2613791A1 FR2613791A1 (fr) 1988-10-14
FR2613791B1 true FR2613791B1 (fr) 1992-03-13

Family

ID=9349960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8705042A Expired - Fee Related FR2613791B1 (fr) 1987-04-09 1987-04-09 Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active

Country Status (6)

Country Link
US (2) US4929158A (enExample)
EP (1) EP0287440B1 (enExample)
JP (1) JPS63263226A (enExample)
DE (1) DE3863672D1 (enExample)
ES (1) ES2025790T3 (enExample)
FR (1) FR2613791B1 (enExample)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613791B1 (fr) * 1987-04-09 1992-03-13 Europ Propulsion Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active
EP0381898A3 (en) * 1988-12-27 1991-11-27 Proto-Technology Corporation Method and apparatus for cancelling vibrations of rotating machines with active magnetic bearings
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JPH0767253B2 (ja) * 1992-04-06 1995-07-19 動力炉・核燃料開発事業団 タービン発電機
US5315197A (en) * 1992-04-30 1994-05-24 Avcon - Advance Controls Technology, Inc. Electromagnetic thrust bearing using passive and active magnets, for coupling a rotatable member to a stationary member
US5514924A (en) * 1992-04-30 1996-05-07 AVCON--Advanced Control Technology, Inc. Magnetic bearing providing radial and axial load support for a shaft
GB2268984B (en) * 1992-07-23 1996-04-03 Glacier Metal Co Ltd Magnetic bearing back-up
GB2268983B (en) * 1992-07-23 1996-04-03 Glacier Metal Co Ltd Magnetic bearing back-up
DE9215696U1 (de) * 1992-11-18 1994-03-17 Anton Piller GmbH & Co KG, 37520 Osterode Stromgewinnungsanlage
US5445494A (en) * 1993-11-08 1995-08-29 Bw/Ip International, Inc. Multi-stage centrifugal pump with canned magnetic bearing
EP0687827A1 (en) * 1994-06-13 1995-12-20 Mechanical Technology Incorporated Hybrid magnetic/foil gas bearings
US6310414B1 (en) * 1994-06-21 2001-10-30 Rotoflow Corporation Shaft bearing system
US6282053B1 (en) * 1994-08-05 2001-08-28 Seagate Technology, Inc. Adhesiveless disc drive spindle assembly
US5519274A (en) * 1994-09-07 1996-05-21 Rotodynamics-Seal Research, Inc. Magnetically active foil bearing
US5714818A (en) * 1994-10-18 1998-02-03 Barber-Colman Company Backup bearing for magnetic bearings
KR960030515A (ko) * 1995-01-24 1996-08-17 이형도 능동 자기 베어링 시스템
US5694268A (en) * 1995-02-10 1997-12-02 Seagate Technology, Inc. Spindle motor having overmolded stator
US5658125A (en) * 1995-02-28 1997-08-19 Allison Engine Company, Inc. Magnetic bearings as actuation for active compressor stability control
US5893423A (en) * 1996-05-02 1999-04-13 Satcon Technology Corporation Integration of turboalternator for hybrid motor vehicle
EP0816654B1 (en) * 1996-06-26 2004-09-22 Rolls-Royce Corporation Bearing combination for gas turbine engine
DE19823630C2 (de) * 1998-05-27 2003-08-21 Pmdm Prec Motors Deutsche Mine Motorlager für schnelldrehende Kleinmotoren
SE513971C2 (sv) 1998-10-15 2000-12-04 Skf Nova Ab Anordning för begränsning av en whirlhastighet för en axel
JP3349679B2 (ja) * 1999-03-31 2002-11-25 ビーオーシーエドワーズテクノロジーズ株式会社 磁気軸受装置及びこれを備えた真空ポンプ
US6367241B1 (en) 1999-08-27 2002-04-09 Allison Advanced Development Company Pressure-assisted electromagnetic thrust bearing
US6601683B1 (en) * 2000-07-03 2003-08-05 The United States Of America As Represented By The Secretary Of The Air Force Carbon-carbon clutch bearing engagement mechanism
SG97175A1 (en) * 2000-12-23 2003-07-18 Inst Data Storage Electric spindle motor with magnetic bearing and hydrodynamic bearing
FR2826076B1 (fr) 2001-06-15 2003-12-12 Mecanique Magnetique Sa Palier de secours insensible a la charge axiale
WO2002103215A1 (fr) 2001-06-15 2002-12-27 Societe De Mecanique Magnetique Palier de secours insensible a la charge axiale
US6608418B2 (en) * 2001-08-24 2003-08-19 Smiths Aerospace, Inc. Permanent magnet turbo-generator having magnetic bearings
DE102004023148A1 (de) * 2004-05-07 2005-11-24 Atlas Copco Energas Gmbh Turbomaschine für Tieftemperaturanwendungen
US7836601B2 (en) * 2004-06-15 2010-11-23 Aly El-Shafei Methods of controlling the instability in fluid film bearings
US7391128B2 (en) * 2004-12-30 2008-06-24 Rozlev Corp., Llc Wind generator system using attractive magnetic forces to reduce the load on the bearings
US20080088195A1 (en) * 2006-10-16 2008-04-17 Dooley Kevin A Outside rotor electric machine
FR2934339B1 (fr) 2008-07-25 2010-09-03 Mecanique Magnetique Sa Palier de secours insensible a la charge axiale
EP2169185B1 (de) 2008-09-25 2012-05-30 Siemens Aktiengesellschaft Dampfturbine
US20110052109A1 (en) * 2009-08-28 2011-03-03 Dresser-Rand Company Hydrostatic auxiliary bearing for a turbomachine
US8408806B2 (en) * 2009-10-09 2013-04-02 Dresser-Rand Company Auxiliary bearing system with oil ring for magnetically supported rotor system
WO2011044430A2 (en) * 2009-10-09 2011-04-14 Dresser-Rand Company Auxiliary bearing system with oil reservoir for magnetically supported rotor system
WO2011044432A2 (en) * 2009-10-09 2011-04-14 Dresser-Rand Company Auxiliary bearing system with plurality of inertia rings for magnetically supported rotor system
EP2486292B1 (en) * 2009-10-09 2017-08-09 Dresser-Rand Company Auxiliary bearing system for magnetically supported rotor system
DE102009047153A1 (de) * 2009-11-25 2011-05-26 Sgl Carbon Se Pumpe mit oder aus einem C/SiC-Material und Verwendung von C/SiC-Materialien bei Pumpen
EP2524148A4 (en) 2010-01-15 2015-07-08 Dresser Rand Co BEARING ARRANGEMENT AND ADJUSTMENT SYSTEM
EP2605809B1 (en) 2010-08-20 2017-10-11 Tc1 Llc Implantable blood pump
EP2707601B1 (en) 2011-05-11 2017-08-02 Dresser-Rand Company Compact compression system with integral heat exchangers
DE102011051885A1 (de) * 2011-07-15 2013-01-17 Atlas Copco Energas Gmbh Turbomaschine
EP2890419B1 (en) 2012-08-31 2019-07-31 Tc1 Llc Start-up algorithm for an implantable blood pump
WO2014036419A1 (en) 2012-08-31 2014-03-06 Thoratec Corporation Hall sensor mounting in an implantable blood pump
US9963981B2 (en) * 2015-06-10 2018-05-08 General Electric Company Pitch change mechanism for shrouded fan with low fan pressure ratio
EP3377002B1 (en) 2015-11-20 2020-05-06 Tc1 Llc Improved connectors and cables for use with ventricle assist systems
CN105422622B (zh) * 2015-12-28 2018-08-07 杨红华 一种磁轴承辅助装置
CN105485165B (zh) * 2015-12-28 2018-03-09 宁波达奋精工轴承有限公司 一种磁轴承空气辅助装置
CN105485164B (zh) * 2015-12-28 2018-03-09 宁波达奋精工轴承有限公司 磁轴承空气辅助装置
CN105422647B (zh) * 2015-12-28 2018-07-03 徐州给力磁业有限公司 磁轴承辅助装置
EP4275737A3 (en) 2018-01-10 2023-12-20 Tc1 Llc Bearingless implantable blood pump
CN108868892B (zh) * 2018-01-12 2024-04-02 刘慕华 一种转子系统及其控制方法和燃气轮机发电机组及其控制方法
US11652393B2 (en) * 2020-07-01 2023-05-16 Garrett Transportation I Inc Rotor assembly for electric motor of turbomachine with carbon-carbon composite magnet-retaining jacket member
US12473857B2 (en) * 2023-04-21 2025-11-18 Rtx Corporation Magnetic-foil bearing supporting turbine engine rotating structure

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FR2613791B1 (fr) * 1987-04-09 1992-03-13 Europ Propulsion Palier magnetique radial a atterrisseur de secours et application a une turbomachine a suspension magnetique active

Also Published As

Publication number Publication date
US4929158A (en) 1990-05-29
DE3863672D1 (de) 1991-08-22
EP0287440B1 (fr) 1991-07-17
JPH056017B2 (enExample) 1993-01-25
FR2613791A1 (fr) 1988-10-14
US5126612A (en) 1992-06-30
JPS63263226A (ja) 1988-10-31
ES2025790T3 (es) 1992-04-01
EP0287440A1 (fr) 1988-10-19

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