FR2492020A1 - - Google Patents

Download PDF

Info

Publication number
FR2492020A1
FR2492020A1 FR8101243A FR8101243A FR2492020A1 FR 2492020 A1 FR2492020 A1 FR 2492020A1 FR 8101243 A FR8101243 A FR 8101243A FR 8101243 A FR8101243 A FR 8101243A FR 2492020 A1 FR2492020 A1 FR 2492020A1
Authority
FR
France
Prior art keywords
magnetic
plates
magnetic circuit
rotor
bearing
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
FR8101243A
Other languages
English (en)
French (fr)
Other versions
FR2492020B1 (en, 2012
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of FR2492020A1 publication Critical patent/FR2492020A1/fr
Application granted granted Critical
Publication of FR2492020B1 publication Critical patent/FR2492020B1/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0474Active magnetic bearings for rotary movement
    • F16C32/0487Active magnetic bearings for rotary movement with active support of four degrees of freedom
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0459Details of the magnetic circuit
    • F16C32/0468Details of the magnetic circuit of moving parts of the magnetic circuit, e.g. of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
FR8101243A 1980-10-09 1981-01-23 Expired FR2492020B1 (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980144183U JPS612348Y2 (en, 2012) 1980-10-09 1980-10-09

Publications (2)

Publication Number Publication Date
FR2492020A1 true FR2492020A1 (en, 2012) 1982-04-16
FR2492020B1 FR2492020B1 (en, 2012) 1988-05-13

Family

ID=15356122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101243A Expired FR2492020B1 (en, 2012) 1980-10-09 1981-01-23

Country Status (5)

Country Link
US (1) US4387936A (en, 2012)
JP (1) JPS612348Y2 (en, 2012)
DE (1) DE3136945C2 (en, 2012)
FR (1) FR2492020B1 (en, 2012)
SE (1) SE8100275L (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192836A3 (de) * 1985-03-01 1988-07-20 Maschinenfabrik Rieter Ag Verwendung einer magnetischen Lageranordnung
WO1991014875A1 (en) * 1990-03-20 1991-10-03 Nova Corporation Of Alberta Magnetic cores of rotary electrical machines
WO1996010135A1 (en) * 1994-09-28 1996-04-04 British Nuclear Fuels Plc An electromagnetic bearing

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920291A (en) * 1989-01-19 1990-04-24 Contraves Goerz Corporation Magnetic thrust bearing with high force modulation capability
JPH1189130A (ja) * 1997-09-08 1999-03-30 Minebea Co Ltd モータ構造
US20050253473A1 (en) * 2004-05-13 2005-11-17 Studer Philip A Alternative magnetic bearing
DE602005012503D1 (de) * 2005-08-24 2009-03-12 Mecos Traxler Ag Rotorwelle für eine Magnetlagereinrichtung
JP2015116022A (ja) * 2013-12-11 2015-06-22 トヨタ自動車株式会社 回転電機ロータ
EP3450782B1 (de) * 2017-09-05 2019-11-06 Lakeview Innovation Ltd. Aktives radiales magnetlager mit jochwicklung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337226A1 (de) * 1973-07-21 1975-02-06 Maschf Augsburg Nuernberg Ag Vakuumpumpe mit einem im innenraum ihres gehaeuses gelagerten laeufer
DE2515608A1 (de) * 1975-03-18 1976-09-30 Bbc Brown Boveri & Cie Lagerung umlaufender koerper mit abstossenden magnetpaaren
US4072370A (en) * 1976-08-24 1978-02-07 Spectra-Flux, Inc. Radial magnetic bearing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704231A (en) * 1948-04-02 1955-03-15 Goldsmith Ernest Emil Magnetic bearings
DE2223218A1 (de) * 1972-05-12 1973-11-22 Deutsche Forsch Luft Raumfahrt Elektromagnetische kraftsteuereinheit fuer eine magnetische radiallagerung
DE2337696C3 (de) * 1973-07-25 1982-12-09 Teldix Gmbh, 6900 Heidelberg Magnetische Vorrichtung, insbesondere für ein Schwungrad
DE2341766C3 (de) * 1973-08-17 1982-02-11 Teldix Gmbh, 6900 Heidelberg Magnetische Lagerung
US4180946A (en) * 1975-10-02 1980-01-01 Maurice Brunet Tool holding spindle assembly particularly for a grinding machine
FR2336550A1 (fr) * 1975-12-24 1977-07-22 Europ Propulsion Montage d'arbre long, notamment pour turbomachine
EP0000987B1 (en) * 1977-08-19 1982-01-20 BIOTRONIK Mess- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin Demand pacer with programmable rate hysteresis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337226A1 (de) * 1973-07-21 1975-02-06 Maschf Augsburg Nuernberg Ag Vakuumpumpe mit einem im innenraum ihres gehaeuses gelagerten laeufer
DE2515608A1 (de) * 1975-03-18 1976-09-30 Bbc Brown Boveri & Cie Lagerung umlaufender koerper mit abstossenden magnetpaaren
US4072370A (en) * 1976-08-24 1978-02-07 Spectra-Flux, Inc. Radial magnetic bearing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192836A3 (de) * 1985-03-01 1988-07-20 Maschinenfabrik Rieter Ag Verwendung einer magnetischen Lageranordnung
WO1991014875A1 (en) * 1990-03-20 1991-10-03 Nova Corporation Of Alberta Magnetic cores of rotary electrical machines
WO1996010135A1 (en) * 1994-09-28 1996-04-04 British Nuclear Fuels Plc An electromagnetic bearing

Also Published As

Publication number Publication date
US4387936A (en) 1983-06-14
SE8100275L (sv) 1982-04-10
JPS612348Y2 (en, 2012) 1986-01-25
DE3136945C2 (de) 1985-12-19
FR2492020B1 (en, 2012) 1988-05-13
JPS5767116U (en, 2012) 1982-04-22
DE3136945A1 (de) 1982-05-27

Similar Documents

Publication Publication Date Title
EP1001507B1 (fr) Machine électrique dont le rotor est spécialement adapté aux hautes vitesses
EP0429625B1 (fr) Actionneur electromagnetique monophase de faible encombrement
WO2022233863A1 (fr) Dispositif de freinage magnetique a courant de foucault, roue freinee de vehicule et atterrisseur d'aeronef equipe d'une telle roue
EP0608675B1 (fr) Moteur électrique de puissance élevée et à vitesse de rotation élevée
FR2536473A1 (fr) Pompe turbomoleculaire
EP0431514A1 (fr) Moteur à aimants à concentration de flux
EP0284487A1 (fr) Palier magnétique pour le centrage actif, selon au moins un axe, d'un corps mobile selon un autre corps
EP1808609A1 (fr) Dispositif de suspension magnétique d'un rotor comprenant un palier électromagnétique axial
FR2655214A1 (fr) Rotor de moteur a aimants.
FR2776037A1 (fr) Structure formant palier pour un dispositif rotatif, tel qu'un moteur de scanner
FR2715201A1 (fr) Palier magnétique et ensemble comportant une partie statorique et une partie rotorique suspendue par un tel palier.
FR2492020A1 (en, 2012)
FR2489449A1 (fr) Palier radial a magnetisme permanent
FR2670629A1 (fr) Actionneur electromagnetique monophase rotatif.
EP0697524B1 (fr) Pompe à vide turbomoléculaire
WO2022233865A1 (fr) Dispositif de freinage magnetique a courant de foucault, roue freinee de vehicule et atterrisseur d'aeronef equipe d'une telle roue
FR2998347A1 (fr) Frein magnetique a hysteresis a crantage reduit
FR2566550A1 (fr) Unite d'asservissement electromagnetique
EP1174986A1 (fr) Rotor feuilleté pour frein à courants de Foucault et dispositif comportant un tel rotor
EP4494252A1 (fr) Frein magnétique à hystérésis à entrefer réglable
EP3176450A1 (fr) Palier hydrostatique à fonction hydrodynamique
CH362454A (fr) Equipement électrique d'entraînement d'un organe rotatif à deux vitesses différentes
EP3890165B1 (fr) Dispositif de freinage magnetique pour moteur synchrone sans balais
EP4098895B1 (fr) Palier de guidage axial, notamment pour haut-parleur
FR2497571A1 (fr) Detecteur de position pour rotor de machine electrique