FR2377550A1 - AXIAL ELECTROMAGNETIC BEARING - Google Patents

AXIAL ELECTROMAGNETIC BEARING

Info

Publication number
FR2377550A1
FR2377550A1 FR7700767A FR7700767A FR2377550A1 FR 2377550 A1 FR2377550 A1 FR 2377550A1 FR 7700767 A FR7700767 A FR 7700767A FR 7700767 A FR7700767 A FR 7700767A FR 2377550 A1 FR2377550 A1 FR 2377550A1
Authority
FR
France
Prior art keywords
armature
electromagnetic bearing
axial electromagnetic
bearing
axial
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.)
Granted
Application number
FR7700767A
Other languages
French (fr)
Other versions
FR2377550B1 (en
Inventor
Helmut Habermann
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.)
Societe Europeenne de Propulsion SEP SA
Original Assignee
Societe Europeenne de Propulsion SEP SA
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 Societe Europeenne de Propulsion SEP SA filed Critical Societe Europeenne de Propulsion SEP SA
Priority to FR7700767A priority Critical patent/FR2377550A1/en
Priority to GB5421177A priority patent/GB1542798A/en
Priority to JP53001836A priority patent/JPS5912886B2/en
Priority to DE19782801040 priority patent/DE2801040C2/en
Priority to CA294,749A priority patent/CA1094621A/en
Publication of FR2377550A1 publication Critical patent/FR2377550A1/en
Application granted granted Critical
Publication of FR2377550B1 publication Critical patent/FR2377550B1/fr
Granted 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
    • F16C32/044—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
    • 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

Abstract

Palier électromagnétique axial pour le support de l'extrémité de rotors tournant à grande vitesse, du type comprenant une armature 1 en forme de disque solidaire du rotor 8 et un induit annulaire fixe 2, 3 disposé en regard de l'armature, à faible distance de celle-ci de manière à déterminer un faible entrefer axial 10, 11, ledit induit 2, 3 comprenant un bobinage d'excitation 2b, 3b et un corps 2a, 3a en matériau ferromagnétique, palier caractérisé en ce que des gorges radiales 4, 5 sont ménagées dans la partie périphérique de l'armature 1 située en regard de l'induit annulaire 2,3. Dispositif permettant de réduire l'influence des courants de Foucault sans nuire à la résistance mécanique.Axial electromagnetic bearing for supporting the end of rotors rotating at high speed, of the type comprising an armature 1 in the form of a disc integral with the rotor 8 and a fixed annular armature 2, 3 placed opposite the armature, at a short distance thereof so as to determine a small axial air gap 10, 11, said armature 2, 3 comprising an excitation coil 2b, 3b and a body 2a, 3a made of ferromagnetic material, bearing characterized in that radial grooves 4, 5 are provided in the peripheral part of the frame 1 located opposite the annular armature 2,3. Device for reducing the influence of eddy currents without compromising mechanical strength.

FR7700767A 1977-01-12 1977-01-12 AXIAL ELECTROMAGNETIC BEARING Granted FR2377550A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7700767A FR2377550A1 (en) 1977-01-12 1977-01-12 AXIAL ELECTROMAGNETIC BEARING
GB5421177A GB1542798A (en) 1977-01-12 1977-12-29 Axial electromagnetic bearing
JP53001836A JPS5912886B2 (en) 1977-01-12 1978-01-10 axial electromagnetic bearing
DE19782801040 DE2801040C2 (en) 1977-01-12 1978-01-11 Electromagnetic thrust bearing
CA294,749A CA1094621A (en) 1977-01-12 1978-01-11 Axial electromagnetic bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700767A FR2377550A1 (en) 1977-01-12 1977-01-12 AXIAL ELECTROMAGNETIC BEARING

Publications (2)

Publication Number Publication Date
FR2377550A1 true FR2377550A1 (en) 1978-08-11
FR2377550B1 FR2377550B1 (en) 1979-04-20

Family

ID=9185404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700767A Granted FR2377550A1 (en) 1977-01-12 1977-01-12 AXIAL ELECTROMAGNETIC BEARING

Country Status (5)

Country Link
JP (1) JPS5912886B2 (en)
CA (1) CA1094621A (en)
DE (1) DE2801040C2 (en)
FR (1) FR2377550A1 (en)
GB (1) GB1542798A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0317946A2 (en) * 1987-11-27 1989-05-31 Asea Brown Boveri Aktiengesellschaft Axial magnetic bearing

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001234929A (en) * 2000-02-21 2001-08-31 Ebara Corp Magnetic bearing and circulating fan device
DE102009017355B4 (en) * 2009-04-14 2011-09-01 Continental Automotive Gmbh Actively controlled axial magnetic bearing
JP7303503B2 (en) * 2019-03-01 2023-07-05 国立大学法人埼玉大学 magnetic levitation pump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929390A (en) * 1971-12-22 1975-12-30 Cambridge Thermionic Corp Damper system for suspension systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0317946A2 (en) * 1987-11-27 1989-05-31 Asea Brown Boveri Aktiengesellschaft Axial magnetic bearing
EP0317946B1 (en) * 1987-11-27 1993-10-13 Asea Brown Boveri Aktiengesellschaft Axial magnetic bearing

Also Published As

Publication number Publication date
JPS5388443A (en) 1978-08-03
FR2377550B1 (en) 1979-04-20
DE2801040A1 (en) 1978-07-20
CA1094621A (en) 1981-01-27
DE2801040C2 (en) 1985-04-04
JPS5912886B2 (en) 1984-03-26
GB1542798A (en) 1979-03-28

Similar Documents

Publication Publication Date Title
RU2089761C1 (en) Magnetic support
ES2074071T3 (en) ROTATION DEVICE THAT SUPPORTS A POLYGONAL MIRROR.
GB1600552A (en) Selfpressurizing gas bearing
GB1379987A (en) Magnetic suspension devices
US2585714A (en) Magnetic suspension
FR2426830A1 (en) MAGNETIC SUSPENSION INERTIA MOMENT DEVICE
ES399207A1 (en) Magnetic bearing
JPS55145816A (en) Magnetically floatingly supported rotary wheel
US2340781A (en) Magnetic bearing
US2340122A (en) Magnet suspension
FR2377550A1 (en) AXIAL ELECTROMAGNETIC BEARING
US3598456A (en) Magnetically supported rotor in a conduit
DE3586103D1 (en) ANGLE ENCODER.
GB914743A (en) Dynamic bearing unit
US3614180A (en) Bearing arrangement for a rotor
ES358918A1 (en) Eddy current brake
US3794391A (en) Magnetic rotor assembly
JP2520416Y2 (en) Spindle motor
JPS6463816A (en) Impeller-type apparatus for measuring flow rate
SE8803200D0 (en) DEVICE FOR DYNAMIC TESTING WHEEL TESTS
GB1298127A (en) Electromagnetic instrument
GB2003414A (en) Wire-drawing machine
SE8206803D0 (en) ELECTROMAGNETIC INDICATOR HAVING A ROTOR DISPOSABLE IN DISCRETE POSITIONS
DE69205718T2 (en) Hydrodynamic bearing.
CN107387562A (en) A kind of coaxial electromagnet structure of thrust magnetic bearing

Legal Events

Date Code Title Description
ST Notification of lapse