DE3661762D1 - Device for induction measuring in the air gap of a magnetic bearing - Google Patents

Device for induction measuring in the air gap of a magnetic bearing

Info

Publication number
DE3661762D1
DE3661762D1 DE8686400299T DE3661762T DE3661762D1 DE 3661762 D1 DE3661762 D1 DE 3661762D1 DE 8686400299 T DE8686400299 T DE 8686400299T DE 3661762 T DE3661762 T DE 3661762T DE 3661762 D1 DE3661762 D1 DE 3661762D1
Authority
DE
Germany
Prior art keywords
air gap
magnetic bearing
induction measuring
induction
measuring
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
DE8686400299T
Other languages
English (en)
Inventor
Helmut Habermann
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
Application granted granted Critical
Publication of DE3661762D1 publication Critical patent/DE3661762D1/de
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00Rolls, drums, discs, or the like; Bearings or mountings therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0444Details of devices to control the actuation of the electromagnets
    • F16C32/0446Determination of the actual position of the moving member, e.g. details of sensors
    • F16C32/0448Determination of the actual position of the moving member, e.g. details of sensors by using the electromagnet itself as sensor, e.g. sensorless magnetic bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0459Details of the magnetic circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0474Active magnetic bearings for rotary movement
    • F16C32/048Active magnetic bearings for rotary movement with active support of two degrees of freedom, e.g. radial magnetic bearings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34Testing dynamo-electric machines
    • G01R31/343Testing dynamo-electric machines in operation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
DE8686400299T 1985-02-15 1986-02-12 Device for induction measuring in the air gap of a magnetic bearing Expired DE3661762D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8502257A FR2577680B1 (fr) 1985-02-15 1985-02-15 Dispositif de mesure de l'induction dans l'entrefer d'un palier magnetique

Publications (1)

Publication Number Publication Date
DE3661762D1 true DE3661762D1 (en) 1989-02-16

Family

ID=9316345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686400299T Expired DE3661762D1 (en) 1985-02-15 1986-02-12 Device for induction measuring in the air gap of a magnetic bearing

Country Status (5)

Country Link
US (1) US4774424A (de)
EP (1) EP0192563B1 (de)
JP (1) JPS61247253A (de)
DE (1) DE3661762D1 (de)
FR (1) FR2577680B1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2668892B2 (ja) * 1987-09-30 1997-10-27 アイシン精機株式会社 直流電動機
JP3315428B2 (ja) * 1992-04-01 2002-08-19 株式会社荏原製作所 磁気軸受装置
US5818187A (en) * 1995-05-25 1998-10-06 Itt Automotive Electrical Systems, Inc. Motor and control for windshield wiper system
WO1996041410A1 (en) * 1995-06-07 1996-12-19 Itt Automotive Electrical Systems, Inc. Reduced speed growth in windshield wiper motor
US5838877A (en) * 1995-08-02 1998-11-17 Itt Automotive Electrical Systems, Inc. Noise suppression in PWM-driven DC motor
US5857060A (en) * 1995-08-02 1999-01-05 Itt Automotive Electrical Systems, Inc. Noise suppression in PWM-driven DC motor
US5770907A (en) * 1995-08-14 1998-06-23 Itt Automotive Electrical Systems, Inc. Windshield wiper motor for use in a vehicle and method for manufacturing
US5616182A (en) * 1995-12-04 1997-04-01 Itt Automotive Electrical Systems, Inc. Method and apparatus for wiping a windshield
US6040667A (en) * 1995-12-12 2000-03-21 Valeo Elecrical Systems, Inc. System and method for driving wipers in a windshield wiper system
TW380329B (en) * 1997-04-16 2000-01-21 Japan Servo Permanent-magnet revolving electrodynamic machine with a concentrated winding stator
US6891299B2 (en) * 2000-05-03 2005-05-10 Moteurs Leroy-Somer Rotary electric machine having a flux-concentrating rotor and a stator with windings on teeth
US6720686B1 (en) * 2000-10-03 2004-04-13 Emerson Electric Co. Reduced noise dynamoelectric machine
US20020171305A1 (en) * 2001-04-17 2002-11-21 Moteurs Leroy-Somer Electric machine having an outer rotor
FR2823616B1 (fr) 2001-04-17 2008-07-04 Leroy Somer Moteurs Machine electrique comportant au moins un detecteur de champ magnetique
FR2823614B1 (fr) * 2001-04-17 2008-07-11 Leroy Somer Moteurs Machine tournante electrique comportant un stator forme de secteurs assembles
NO324241B1 (no) * 2006-02-28 2007-09-17 Smartmotor As Anordning ved elektrisk maskin
US20120223602A1 (en) * 2011-03-03 2012-09-06 Tsai Ching-Li Electric motor capable of heat dissipation
CN103904793A (zh) * 2014-03-28 2014-07-02 湖北立锐机电有限公司 整体式电机定子冲片、电机定子以及使用其的旋转电机
CN110426657B (zh) * 2019-02-20 2021-10-22 哈尔滨工业大学(威海) 旋转电机超薄气隙磁场测试装置及方法
CN112557901A (zh) * 2020-12-01 2021-03-26 重庆邮电大学 一种基于多相磁电感应的精密微电机检测装置及方法
CN114570777A (zh) * 2022-03-04 2022-06-03 洛阳盖尔测控科技有限公司 一种分段磁悬浮式板形测量辊

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193406A (en) * 1937-08-28 1940-03-12 Gen Electric Dynamo-electric machine
US2609415A (en) * 1949-08-24 1952-09-02 Gen Electric Electric connector
DE1042093B (de) * 1954-08-10 1958-10-30 Ernst Wolfgang Krebs Wechselpol-Reluktanzmaschine
US2827582A (en) * 1955-09-28 1958-03-18 Krebs Ernst Wolfgang Heteropolar inductor machines
US3224818A (en) * 1962-12-10 1965-12-21 Sixsmith Herbert Combined electromagnetic and electromechanical power converter
US3466477A (en) * 1967-06-07 1969-09-09 Gen Motors Corp Induction motor speed sensing apparatus
DE2130556C3 (de) * 1971-06-19 1975-06-26 Siemens Ag Meßanordnung zur Ermittlung des Luftspaltflusses von Drehfeldmaschinen
US3932811A (en) * 1972-02-22 1976-01-13 Avtron Manufacturing, Inc. Method and apparatus for testing windings or the like
US3937533A (en) * 1974-02-08 1976-02-10 The United States Of America As Represented By The United States National Aeronautics And Space Administration Office Of General Counsel-Code Gp Axially and radially controllable magnetic bearing
DE2420166A1 (de) * 1974-04-25 1975-11-13 Siemens Ag Winkelschrittgeber fuer eine elektrische maschine
JPS50146802A (de) * 1974-04-25 1975-11-25
FR2336550A1 (fr) * 1975-12-24 1977-07-22 Europ Propulsion Montage d'arbre long, notamment pour turbomachine
US4387935A (en) * 1980-12-08 1983-06-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Linear magnetic bearing
JPS57156653A (en) * 1981-03-20 1982-09-28 Mitsubishi Electric Corp Rotor eccentricity measuring device for rotary electric machine
US4428244A (en) * 1981-11-20 1984-01-31 Sumitomo Light Metal Industries, Ltd. Apparatus for measuring internal stress of strip during rolling process
FR2536137B1 (fr) * 1982-11-16 1985-07-26 Europ Propulsion Palier electromagnetique pour environnement a haute temperature
FR2555315B1 (fr) * 1983-11-18 1986-03-28 Europ Propulsion Dispositif de mesure de la tension longitudinale d'une bande de materiau

Also Published As

Publication number Publication date
JPS61247253A (ja) 1986-11-04
EP0192563B1 (de) 1989-01-11
FR2577680B1 (fr) 1987-03-20
EP0192563A1 (de) 1986-08-27
FR2577680A1 (fr) 1986-08-22
US4774424A (en) 1988-09-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee