WO2008074045A3 - Magnetlagereinrichtung - Google Patents

Magnetlagereinrichtung Download PDF

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Publication number
WO2008074045A3
WO2008074045A3 PCT/AT2007/000575 AT2007000575W WO2008074045A3 WO 2008074045 A3 WO2008074045 A3 WO 2008074045A3 AT 2007000575 W AT2007000575 W AT 2007000575W WO 2008074045 A3 WO2008074045 A3 WO 2008074045A3
Authority
WO
WIPO (PCT)
Prior art keywords
control
control winding
bearing device
winding system
magnetic bearing
Prior art date
Application number
PCT/AT2007/000575
Other languages
English (en)
French (fr)
Other versions
WO2008074045A2 (de
Inventor
Manfred Schroedl
Original Assignee
Univ Wien Tech
Manfred Schroedl
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 Univ Wien Tech, Manfred Schroedl filed Critical Univ Wien Tech
Priority to EP07845302A priority Critical patent/EP2115309A2/de
Publication of WO2008074045A2 publication Critical patent/WO2008074045A2/de
Publication of WO2008074045A3 publication Critical patent/WO2008074045A3/de

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
    • 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
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0446—Determination of the actual position of the moving member, e.g. details of sensors
    • F16C32/0448—Determination 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
    • 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
    • F16C32/0459—Details of the magnetic circuit
    • F16C32/0461—Details of the magnetic circuit of stationary parts of the magnetic circuit
    • F16C32/0465—Details of the magnetic circuit of stationary parts of the magnetic circuit with permanent magnets provided in the magnetic circuit of the electromagnets
    • 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
    • F16C32/0482—Active magnetic bearings for rotary movement with active support of two degrees of freedom, e.g. radial magnetic bearings with three electromagnets to control the two degrees of freedom
    • 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
    • F16C32/0485—Active magnetic bearings for rotary movement with active support of three degrees of freedom
    • 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
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

Magnetlägereinrichtung (1) zur berührungslosen Lagerung eines beweglichen Körpers (2), wie eine Welle, mit einem stillstehenden Lagerteil (2), mit einem Permanentmagnet System (11) mit wenigstens einem Permanentmagneten (4, 4A, 4B) zur Erzeugung eines magnetischen Grundflusses (7, 8), und mit einem Steuerwicklungssystem (13) mit wenigstens einer Steuerwicklung (14, 15, 16) zur Erzeugung eines Steuerflusses (20), der im Betrieb ein von Abweichungen des Körpers (3) aus der Solllage abhängiger Steuerstrom (i) zuführbar ist; dabei sind Messmittel (36, 37, 38, 39) vorgesehen zur Messung einer auf eine bei einer Abweichung des Körpers (3) aus der Solllage auftretende Induktivitätsänderung des Steuerwicklungssystems (13) und/oder im Steuerwicklungssystem (13) induzierte Spannung bezogene elektrischen Größe, aus der der Steuerstrom hergeleitet wird.
PCT/AT2007/000575 2006-12-19 2007-12-19 Magnetlagereinrichtung WO2008074045A2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07845302A EP2115309A2 (de) 2006-12-19 2007-12-19 Magnetlagereinrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA2093/2006A AT505479B1 (de) 2006-12-19 2006-12-19 Magnetlagereinrichtung
ATA2093/2006 2006-12-19

Publications (2)

Publication Number Publication Date
WO2008074045A2 WO2008074045A2 (de) 2008-06-26
WO2008074045A3 true WO2008074045A3 (de) 2009-03-12

Family

ID=39432687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2007/000575 WO2008074045A2 (de) 2006-12-19 2007-12-19 Magnetlagereinrichtung

Country Status (3)

Country Link
EP (1) EP2115309A2 (de)
AT (1) AT505479B1 (de)
WO (1) WO2008074045A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2131052A1 (de) * 2008-06-04 2009-12-09 Siemens Aktiengesellschaft Verfahren zum Lagern eines Körpers mit einer Magnetlageranordnung
BE1019128A3 (nl) 2009-11-06 2012-03-06 Atlas Copco Airpower Nv Gelamelleerde kern van een magneetlager en werkwijze voor het vervaardigen van zulke gelamelleerde kern.
BE1020693A3 (nl) 2012-05-16 2014-03-04 Atlas Copco Aipower Nv Magnetisch lager en werkwijze voor het monteren van een ferromagnetische structuur rond een kern van een magnetisch lager.
DE102012209274A1 (de) * 2012-06-01 2013-12-05 Siemens Aktiengesellschaft Lagereinrichtung zur berührungslosen Lagerung eines drehbaren Körpers, Anordnung und elektrische Reluktanzmaschine
GB2517442A (en) * 2013-08-20 2015-02-25 Univ Catholique Louvain Radial electrodynamic bearing
CN103939466B (zh) * 2014-04-18 2016-06-15 江苏大学 一种三自由度磁轴承
CN106979225B (zh) * 2017-04-11 2018-12-18 南京邮电大学 一种锥形轴向磁轴承
CN108374840B (zh) * 2018-03-30 2023-08-25 浙江师范大学 一种基于磁流变效应的滑动轴承制动装置及控制方法
CN111102293A (zh) * 2020-01-18 2020-05-05 湖南大学 主被动磁气混合轴承
CN113187815B (zh) * 2021-07-05 2021-09-10 山东天瑞重工有限公司 一种径向解耦混合磁轴承

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2537597A1 (de) * 1975-08-23 1977-03-03 Padana Ag Elektromagnetische lagerungseinrichtung
US4918345A (en) * 1987-03-13 1990-04-17 Aerospatiale Societe Nationale Industrielle Magnetic bearing for active centering of a body movable relative to a static body with respect to at least one axis
DE3937687A1 (de) * 1988-11-22 1990-05-23 Mecos Traxler Ag Magnetlager
US5216308A (en) * 1989-05-25 1993-06-01 Avcon-Advanced Controls Technology, Inc. Magnetic bearing structure providing radial, axial and moment load bearing support for a rotatable shaft
US5514924A (en) * 1992-04-30 1996-05-07 AVCON--Advanced Control Technology, Inc. Magnetic bearing providing radial and axial load support for a shaft
US5736800A (en) * 1994-10-18 1998-04-07 Iannello; Victor Light weight, high performance radial actuator for magnetic bearing systems
DE10019761A1 (de) * 1999-04-28 2000-12-07 Okuma Machinery Works Ltd Magnetisches Radiallager
US20030155829A1 (en) * 2002-02-20 2003-08-21 Calnetix Method and apparatus for providing three axis magnetic bearing having permanent magnets mounted on radial pole stack
CN1737388A (zh) * 2005-05-18 2006-02-22 江苏大学 三自由度交直流径向－轴向混合磁轴承及其控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213465C3 (de) * 1972-03-20 1986-02-13 Padana AG, Zug Elektromagnetisches Lagerelement
US6293901B1 (en) * 1997-11-26 2001-09-25 Vascor, Inc. Magnetically suspended fluid pump and control system
JP3636939B2 (ja) * 1999-07-15 2005-04-06 オークマ株式会社 磁気軸受の制御装置
JP2002016125A (ja) * 2000-06-29 2002-01-18 Ebara Corp 基板回転装置
US20040256935A1 (en) * 2003-06-19 2004-12-23 Andrew Kenny Magnetic bearing with permanent magnet poles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2537597A1 (de) * 1975-08-23 1977-03-03 Padana Ag Elektromagnetische lagerungseinrichtung
US4918345A (en) * 1987-03-13 1990-04-17 Aerospatiale Societe Nationale Industrielle Magnetic bearing for active centering of a body movable relative to a static body with respect to at least one axis
DE3937687A1 (de) * 1988-11-22 1990-05-23 Mecos Traxler Ag Magnetlager
US5216308A (en) * 1989-05-25 1993-06-01 Avcon-Advanced Controls Technology, Inc. Magnetic bearing structure providing radial, axial and moment load bearing support for a rotatable shaft
US5514924A (en) * 1992-04-30 1996-05-07 AVCON--Advanced Control Technology, Inc. Magnetic bearing providing radial and axial load support for a shaft
US5736800A (en) * 1994-10-18 1998-04-07 Iannello; Victor Light weight, high performance radial actuator for magnetic bearing systems
DE10019761A1 (de) * 1999-04-28 2000-12-07 Okuma Machinery Works Ltd Magnetisches Radiallager
US20030155829A1 (en) * 2002-02-20 2003-08-21 Calnetix Method and apparatus for providing three axis magnetic bearing having permanent magnets mounted on radial pole stack
CN1737388A (zh) * 2005-05-18 2006-02-22 江苏大学 三自由度交直流径向－轴向混合磁轴承及其控制方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KANNE U ET AL: "ALLES IN DER SCHWEBE GROSSE ZUKUNFT FUER GEREGELTE MAGNETLAGER", ELEKTRONIK, WEKA FACHZEITSCHRIFTENVERLAG, POING, DE, vol. 49, no. 18, 5 September 2000 (2000-09-05), pages 76 - 80,82, XP001107524, ISSN: 0013-5658 *

Also Published As

Publication number Publication date
WO2008074045A2 (de) 2008-06-26
AT505479A1 (de) 2009-01-15
AT505479B1 (de) 2024-06-15
EP2115309A2 (de) 2009-11-11

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