EP2373901A4 - Electrodynamic actuator - Google Patents

Electrodynamic actuator Download PDF

Info

Publication number
EP2373901A4
EP2373901A4 EP09830660.8A EP09830660A EP2373901A4 EP 2373901 A4 EP2373901 A4 EP 2373901A4 EP 09830660 A EP09830660 A EP 09830660A EP 2373901 A4 EP2373901 A4 EP 2373901A4
Authority
EP
European Patent Office
Prior art keywords
electrodynamic actuator
electrodynamic
actuator
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.)
Withdrawn
Application number
EP09830660.8A
Other languages
German (de)
French (fr)
Other versions
EP2373901A1 (en
Inventor
Torbjörn Lembke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2373901A1 publication Critical patent/EP2373901A1/en
Publication of EP2373901A4 publication Critical patent/EP2373901A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
    • H02K21/44—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with armature windings wound upon the magnets
    • 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
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
    • F16F15/035—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means by use of eddy or induced-current damping
    • 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
    • F16C32/0408—Passive magnetic bearings
    • F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
    • F16C32/0412—Passive magnetic bearings with permanent magnets on one part attracting the other part for radial load mainly
    • F16C32/0414—Passive magnetic bearings with permanent magnets on one part attracting the other part for radial load mainly with facing axial projections
    • 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
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
    • F16C32/0425—Passive magnetic bearings with permanent magnets on both parts repelling each other for radial load mainly
    • 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
    • F16C32/0468—Details of the magnetic circuit of moving parts of the magnetic circuit, e.g. of the rotor
    • 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
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings
EP09830660.8A 2008-12-02 2009-11-30 Electrodynamic actuator Withdrawn EP2373901A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0850112 2008-12-02
PCT/SE2009/051350 WO2010064978A1 (en) 2008-12-02 2009-11-30 Electrodynamic actuator

Publications (2)

Publication Number Publication Date
EP2373901A1 EP2373901A1 (en) 2011-10-12
EP2373901A4 true EP2373901A4 (en) 2018-05-23

Family

ID=42233464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09830660.8A Withdrawn EP2373901A4 (en) 2008-12-02 2009-11-30 Electrodynamic actuator

Country Status (3)

Country Link
EP (1) EP2373901A4 (en)
SE (1) SE535378C2 (en)
WO (1) WO2010064978A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9732817B2 (en) 2015-10-13 2017-08-15 Goodrich Corporation Axial engagement-controlled variable damper systems and methods
US9765850B2 (en) 2015-10-13 2017-09-19 Goodrich Corporation Saturation-controlled variable damper systems and methods
EP3490113B1 (en) 2017-11-24 2021-04-21 Goodrich Actuation Systems Limited Damped electric motor
DE102018101330A1 (en) * 2018-01-22 2019-07-25 Logicdata Electronic & Software Entwicklungs Gmbh Linear actuator for a furniture system, electrically adjustable furniture system, installation method for a linear actuator in a furniture system and furniture system arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976339A (en) * 1974-01-14 1976-08-24 Sperry Rand Corporation Magnetic suspension apparatus
GB1471843A (en) * 1974-02-08 1977-04-27 Hitachi Ltd Arrangement of rotar stator and eddy current damper
JPS541764A (en) * 1977-06-03 1979-01-08 Hitachi Ltd Eddy current system vibration controller
DE4423492A1 (en) * 1994-07-05 1996-01-11 Elektrische Automatisierungs U Permanent magnet radial bearing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126641A (en) * 1991-03-08 1992-06-30 Westinghouse Electric Corp. Bidirectional variable reluctance actuator and system for active attenuation of vibration and structure borne noise utilizing same
US5250865A (en) * 1992-04-30 1993-10-05 Avcon - Advanced Controls Technology, Inc. Electromagnetic thrust bearing for coupling a rotatable member to a stationary member
DE19860814A1 (en) * 1998-12-30 2000-07-20 Teldix Gmbh Satellite gyro stabilized roller bearing active centering technique having magnetically held rotor and measured gap magnetic fluid value drive current fed back minimizing magnetic flux density variations.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976339A (en) * 1974-01-14 1976-08-24 Sperry Rand Corporation Magnetic suspension apparatus
GB1471843A (en) * 1974-02-08 1977-04-27 Hitachi Ltd Arrangement of rotar stator and eddy current damper
JPS541764A (en) * 1977-06-03 1979-01-08 Hitachi Ltd Eddy current system vibration controller
DE4423492A1 (en) * 1994-07-05 1996-01-11 Elektrische Automatisierungs U Permanent magnet radial bearing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010064978A1 *

Also Published As

Publication number Publication date
WO2010064978A1 (en) 2010-06-10
SE1150597A1 (en) 2011-08-26
SE535378C2 (en) 2012-07-17
EP2373901A1 (en) 2011-10-12

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Effective date: 20180419

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