NL7501522A - SWIRL DAMPING DEVICE. - Google Patents

SWIRL DAMPING DEVICE.

Info

Publication number
NL7501522A
NL7501522A NL7501522A NL7501522A NL7501522A NL 7501522 A NL7501522 A NL 7501522A NL 7501522 A NL7501522 A NL 7501522A NL 7501522 A NL7501522 A NL 7501522A NL 7501522 A NL7501522 A NL 7501522A
Authority
NL
Netherlands
Prior art keywords
damping device
swirl
swirl damping
damping
Prior art date
Application number
NL7501522A
Other languages
Dutch (nl)
Other versions
NL159482B (en
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 NL7501522A publication Critical patent/NL7501522A/en
Publication of NL159482B publication Critical patent/NL159482B/en

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)
NL7501522.A 1974-02-08 1975-02-07 MAGNETIC BEARING. NL159482B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL7501522A true NL7501522A (en) 1975-08-12
NL159482B NL159482B (en) 1979-02-15

Family

ID=11889998

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7501522.A NL159482B (en) 1974-02-08 1975-02-07 MAGNETIC BEARING.

Country Status (4)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355550U (en) * 1977-11-01 1978-05-12
DE3239328C2 (en) * 1982-10-23 1993-12-23 Pfeiffer Vakuumtechnik Magnetically mounted turbomolecular pump with vibration damping
JPS59200811A (en) * 1983-04-28 1984-11-14 Natl Aerospace Lab Magnetic bearing
EP0134856B1 (en) * 1983-09-16 1988-03-09 Dresser Industries,Inc. Dampening vibration of rotating shafts
DE3409047A1 (en) * 1984-03-13 1985-09-19 Kernforschungsanlage Jülich GmbH, 5170 Jülich MAGNETIC BEARING FOR TRI-AXIS BEARING STABILIZATION OF BODIES
GB2219357B (en) * 1988-06-02 1992-05-27 Glacier Metal Co Ltd Magnetic thrust bearings
DE4410656A1 (en) * 1994-03-26 1995-09-28 Balzers Pfeiffer Gmbh Friction pump
JP4846230B2 (en) * 2004-11-02 2011-12-28 モーターソリューション株式会社 Bearingless electromagnetic rotating device
JP4994047B2 (en) * 2007-01-15 2012-08-08 パナソニック株式会社 Magnetic bearing device
DE102007019766B3 (en) * 2007-04-25 2008-11-20 Siemens Ag Bearing device with a magnetically rotatably mounted relative to a stator about an axis shaft and a damping device
DE102007028018A1 (en) * 2007-06-19 2008-12-24 Nexans Superconductors Gmbh Damper system for high-temperature superconductor bearings
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 non-contact mechanical coupling, damping and/or load bearing device
EP2373901A4 (en) * 2008-12-02 2018-05-23 Torbjörn Lembke Electrodynamic actuator
DE102010041328A1 (en) * 2010-09-24 2012-03-29 Siemens Aktiengesellschaft Apparatus and method for damped, non-contact storage of a coolant supply for superconducting machines
CN103291828B (en) * 2013-04-03 2016-01-27 哈尔滨工程大学 Can to connect asymmetric tooth pitch electromagnetic type semi active vibration absorber
GB2593539A (en) * 2020-03-27 2021-09-29 Edwards Ltd Magnetic damper, method of damping and turbomlecular pump
CN114857170B (en) * 2022-04-19 2023-03-24 华中科技大学 Axial magnetic bearing structure of magnetic suspension bearing
GB2621343B (en) * 2022-08-09 2024-10-02 Leybold Gmbh Vacuum pump

Also Published As

Publication number Publication date
JPS50109340A (en) 1975-08-28
NL159482B (en) 1979-02-15
JPS5226578B2 (en) 1977-07-14
GB1471843A (en) 1977-04-27
DE2504766A1 (en) 1975-08-14

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HITACHI

V4 Lapsed because of reaching the maximum lifetime of a patent