GB1471843A - Arrangement of rotar stator and eddy current damper - Google Patents

Arrangement of rotar stator and eddy current damper

Info

Publication number
GB1471843A
GB1471843A GB532475A GB532475A GB1471843A GB 1471843 A GB1471843 A GB 1471843A GB 532475 A GB532475 A GB 532475A GB 532475 A GB532475 A GB 532475A GB 1471843 A GB1471843 A GB 1471843A
Authority
GB
United Kingdom
Prior art keywords
teeth
stator
rotor
eddy current
magnetic
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
GB532475A
Other languages
English (en)
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1471843A publication Critical patent/GB1471843A/en
Expired 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
    • F16C32/0408—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
    • 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
    • F16C32/0417—Passive magnetic bearings with permanent magnets on one part attracting the other part for axial load mainly
    • F16C32/0419—Passive magnetic bearings with permanent magnets on one part attracting the other part for axial load mainly with facing radial 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
GB532475A 1974-02-08 1975-02-07 Arrangement of rotar stator and eddy current damper Expired GB1471843A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49015482A JPS5226578B2 (en:Method) 1974-02-08 1974-02-08

Publications (1)

Publication Number Publication Date
GB1471843A true GB1471843A (en) 1977-04-27

Family

ID=11889998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB532475A Expired GB1471843A (en) 1974-02-08 1975-02-07 Arrangement of rotar stator and eddy current damper

Country Status (4)

Country Link
JP (1) JPS5226578B2 (en:Method)
DE (1) DE2504766A1 (en:Method)
GB (1) GB1471843A (en:Method)
NL (1) NL159482B (en:Method)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129068A (en) * 1982-10-23 1984-05-10 Pfeiffer Vakuumtechnik Pump with magnetic bearings
GB2219357A (en) * 1988-06-02 1989-12-06 Glacier Metal Co Ltd Magnetic thrust bearings
WO2008132064A1 (de) * 2007-04-25 2008-11-06 Siemens Aktiengesellschaft Lagereinrichtung mit einer magnetisch gegenüber einem stator um eine achse drehbar gelagerten welle und einer dämpfungsvorrichtung
WO2009049070A2 (en) 2007-10-09 2009-04-16 Smartin Technologies, Llc Compact non-contact mechanical coupling, damping and/or load bearing device
CN103291828A (zh) * 2013-04-03 2013-09-11 哈尔滨工程大学 可串联非对称齿距电磁式半主动吸振器
US9083206B2 (en) 2010-09-24 2015-07-14 Siemens Aktiengesellschaft Device and method for damped, non-contact support of a coolant feed line for superconducting machines
EP2373901A4 (en) * 2008-12-02 2018-05-23 Torbjörn Lembke Electrodynamic actuator
GB2593539A (en) * 2020-03-27 2021-09-29 Edwards Ltd Magnetic damper, method of damping and turbomlecular pump
CN114857170A (zh) * 2022-04-19 2022-08-05 华中科技大学 磁悬浮轴承的轴向磁轴承结构
GB2621343A (en) * 2022-08-09 2024-02-14 Leybold Gmbh Vacuum pump

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355550U (en:Method) * 1977-11-01 1978-05-12
JPS59200811A (ja) * 1983-04-28 1984-11-14 Natl Aerospace Lab 磁気軸受
EP0134856B1 (en) * 1983-09-16 1988-03-09 Dresser Industries,Inc. Dampening vibration of rotating shafts
DE3409047A1 (de) * 1984-03-13 1985-09-19 Kernforschungsanlage Jülich GmbH, 5170 Jülich Magnetlager zur dreiachsigen lagerstabilisierung von koerpern
DE4410656A1 (de) * 1994-03-26 1995-09-28 Balzers Pfeiffer Gmbh Reibungspumpe
JP4846230B2 (ja) * 2004-11-02 2011-12-28 モーターソリューション株式会社 ベアリングレス電磁回転装置
JP4994047B2 (ja) * 2007-01-15 2012-08-08 パナソニック株式会社 磁気軸受装置
DE102007028018A1 (de) * 2007-06-19 2008-12-24 Nexans Superconductors Gmbh Dämpfersystem für Hochtemperatur-Supraleiterlager
US7679247B2 (en) * 2007-06-20 2010-03-16 Beacon Power Corporation Lift magnet mechanism for flywheel power storage systems

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129068A (en) * 1982-10-23 1984-05-10 Pfeiffer Vakuumtechnik Pump with magnetic bearings
GB2219357A (en) * 1988-06-02 1989-12-06 Glacier Metal Co Ltd Magnetic thrust bearings
US5101130A (en) * 1988-06-02 1992-03-31 Glacier Metal Company Limited Magnetic thrust bearings
GB2219357B (en) * 1988-06-02 1992-05-27 Glacier Metal Co Ltd Magnetic thrust bearings
WO2008132064A1 (de) * 2007-04-25 2008-11-06 Siemens Aktiengesellschaft Lagereinrichtung mit einer magnetisch gegenüber einem stator um eine achse drehbar gelagerten welle und einer dämpfungsvorrichtung
CN101663494B (zh) * 2007-04-25 2011-07-27 西门子公司 包括一可以磁方式相对于定子绕轴线旋转的轴与一阻尼装置的轴承设备
US8562217B2 (en) 2007-10-09 2013-10-22 Smartin Technologies Llc Compact non-contact mechanical coupling, damping and/or load bearing device
WO2009049070A2 (en) 2007-10-09 2009-04-16 Smartin Technologies, Llc Compact non-contact mechanical coupling, damping and/or load bearing device
EP2198173A4 (en) * 2007-10-09 2012-01-04 Smartin Technologies Llc COMPACT CONTACT-FREE MECHANICAL COUPLING, DAMPING AND / OR SUPPORTING DEVICE
AU2008310831B2 (en) * 2007-10-09 2013-09-26 Martin Sentmanat Compact non-contact mechanical coupling, damping and/or load bearing device
EP2373901A4 (en) * 2008-12-02 2018-05-23 Torbjörn Lembke Electrodynamic actuator
US9083206B2 (en) 2010-09-24 2015-07-14 Siemens Aktiengesellschaft Device and method for damped, non-contact support of a coolant feed line for superconducting machines
CN103291828A (zh) * 2013-04-03 2013-09-11 哈尔滨工程大学 可串联非对称齿距电磁式半主动吸振器
GB2593539A (en) * 2020-03-27 2021-09-29 Edwards Ltd Magnetic damper, method of damping and turbomlecular pump
CN114857170A (zh) * 2022-04-19 2022-08-05 华中科技大学 磁悬浮轴承的轴向磁轴承结构
CN114857170B (zh) * 2022-04-19 2023-03-24 华中科技大学 磁悬浮轴承的轴向磁轴承结构
GB2621343A (en) * 2022-08-09 2024-02-14 Leybold Gmbh Vacuum pump
GB2621343B (en) * 2022-08-09 2024-10-02 Leybold Gmbh Vacuum pump

Also Published As

Publication number Publication date
NL7501522A (nl) 1975-08-12
NL159482B (nl) 1979-02-15
JPS50109340A (en:Method) 1975-08-28
DE2504766A1 (de) 1975-08-14
JPS5226578B2 (en:Method) 1977-07-14

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19950206