DE2504766A1 - Wirbelstromdaempfer - Google Patents

Wirbelstromdaempfer

Info

Publication number
DE2504766A1
DE2504766A1 DE19752504766 DE2504766A DE2504766A1 DE 2504766 A1 DE2504766 A1 DE 2504766A1 DE 19752504766 DE19752504766 DE 19752504766 DE 2504766 A DE2504766 A DE 2504766A DE 2504766 A1 DE2504766 A1 DE 2504766A1
Authority
DE
Germany
Prior art keywords
teeth
eddy current
magnetic
stationary
tooth
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Withdrawn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
DE19752504766
Other languages
German (de)
English (en)
Inventor
Keiji Arai
Hiroyuki Kawamoto
Hiroshi Okuda
Sen Sugiyama
Izuru Yasuda
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 DE2504766A1 publication Critical patent/DE2504766A1/de
Withdrawn legal-status Critical Current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)
DE19752504766 1974-02-08 1975-02-05 Wirbelstromdaempfer Withdrawn DE2504766A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49015482A JPS5226578B2 (enrdf_load_stackoverflow) 1974-02-08 1974-02-08

Publications (1)

Publication Number Publication Date
DE2504766A1 true DE2504766A1 (de) 1975-08-14

Family

ID=11889998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752504766 Withdrawn DE2504766A1 (de) 1974-02-08 1975-02-05 Wirbelstromdaempfer

Country Status (4)

Country Link
JP (1) JPS5226578B2 (enrdf_load_stackoverflow)
DE (1) DE2504766A1 (enrdf_load_stackoverflow)
GB (1) GB1471843A (enrdf_load_stackoverflow)
NL (1) NL159482B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0134856A1 (en) * 1983-09-16 1985-03-27 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
EP2006559A3 (de) * 2007-06-19 2011-02-09 Nexans Dämpfersystem für Magnetlager mit Hochtemperatur-Supraleiter

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355550U (enrdf_load_stackoverflow) * 1977-11-01 1978-05-12
DE3239328C2 (de) * 1982-10-23 1993-12-23 Pfeiffer Vakuumtechnik Magnetisch gelagerte Turbomolekularpumpe mit Schwingungsdämpfung
JPS59200811A (ja) * 1983-04-28 1984-11-14 Natl Aerospace Lab 磁気軸受
GB2219357B (en) * 1988-06-02 1992-05-27 Glacier Metal Co Ltd Magnetic thrust bearings
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
DE102007019766B3 (de) * 2007-04-25 2008-11-20 Siemens Ag Lagereinrichtung mit einer magnetisch gegenüber einem Stator um eine Achse drehbar gelagerten Welle und einer Dämpfungsvorrichtung
US7679247B2 (en) * 2007-06-20 2010-03-16 Beacon Power Corporation Lift magnet mechanism for flywheel power storage systems
EP2198173A4 (en) * 2007-10-09 2012-01-04 Smartin Technologies Llc COMPACT CONTACT-FREE MECHANICAL COUPLING, DAMPING AND / OR SUPPORTING DEVICE
WO2010064978A1 (en) * 2008-12-02 2010-06-10 Lembke Torbjoern Electrodynamic actuator
DE102010041328A1 (de) 2010-09-24 2012-03-29 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum gedämpften, berührungslosen Lagern einer Kühlmittelzuführung für supraleitende Maschinen
CN103291828B (zh) * 2013-04-03 2016-01-27 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
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
GB2621343B (en) * 2022-08-09 2024-10-02 Leybold Gmbh Vacuum pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0134856A1 (en) * 1983-09-16 1985-03-27 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
EP0155624A1 (de) * 1984-03-13 1985-09-25 Forschungszentrum Jülich Gmbh Magnetlager zur dreiachsigen Lagerstabilisierung von Körpern
DE4410656A1 (de) * 1994-03-26 1995-09-28 Balzers Pfeiffer Gmbh Reibungspumpe
EP2006559A3 (de) * 2007-06-19 2011-02-09 Nexans Dämpfersystem für Magnetlager mit Hochtemperatur-Supraleiter

Also Published As

Publication number Publication date
JPS50109340A (enrdf_load_stackoverflow) 1975-08-28
GB1471843A (en) 1977-04-27
JPS5226578B2 (enrdf_load_stackoverflow) 1977-07-14
NL159482B (nl) 1979-02-15
NL7501522A (nl) 1975-08-12

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBE

8130 Withdrawal