HK1007643A1 - Multiphase electromagnetic transducer with a multipolar permanent magnet - Google Patents

Multiphase electromagnetic transducer with a multipolar permanent magnet

Info

Publication number
HK1007643A1
HK1007643A1 HK98106733A HK98106733A HK1007643A1 HK 1007643 A1 HK1007643 A1 HK 1007643A1 HK 98106733 A HK98106733 A HK 98106733A HK 98106733 A HK98106733 A HK 98106733A HK 1007643 A1 HK1007643 A1 HK 1007643A1
Authority
HK
Hong Kong
Prior art keywords
permanent magnet
electromagnetic transducer
multipolar permanent
multiphase electromagnetic
multiphase
Prior art date
Application number
HK98106733A
Other languages
English (en)
Inventor
Gerard Surmely
Daho Taghezout
Original Assignee
Ebauchesfabrik Eta Ag
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 Ebauchesfabrik Eta Ag filed Critical Ebauchesfabrik Eta Ag
Publication of HK1007643A1 publication Critical patent/HK1007643A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/125—Magnet axially facing armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Electromechanical Clocks (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
HK98106733A 1992-09-24 1998-06-25 Multiphase electromagnetic transducer with a multipolar permanent magnet HK1007643A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9211511A FR2696058B1 (fr) 1992-09-24 1992-09-24 Transducteur électromagnétique polyphasé à aimant permanent multipolaire.

Publications (1)

Publication Number Publication Date
HK1007643A1 true HK1007643A1 (en) 1999-04-16

Family

ID=9433940

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106733A HK1007643A1 (en) 1992-09-24 1998-06-25 Multiphase electromagnetic transducer with a multipolar permanent magnet

Country Status (9)

Country Link
US (1) US5396139A (xx)
EP (1) EP0589342B1 (xx)
JP (1) JP3411640B2 (xx)
KR (1) KR100303695B1 (xx)
CN (1) CN1033883C (xx)
DE (1) DE69301216T2 (xx)
FR (1) FR2696058B1 (xx)
HK (1) HK1007643A1 (xx)
TW (1) TW275724B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1299595A (en) * 1993-12-03 1995-06-19 Maxtor Corporation Axial spindle motor for hard disk drive assembly
TW293965B (xx) * 1993-12-28 1996-12-21 Ebauchesfabrik Eta Ag
DE4429259A1 (de) * 1994-08-18 1996-02-22 Moto Meter Gmbh Schrittmotor mit vorwiegend axialer Rotormagnetisierung
US5736798A (en) * 1995-10-19 1998-04-07 Eastman Kodak Company Passive magnetic damper
FR2745129B1 (fr) * 1996-02-15 1998-04-10 Ebauchesfabrik Eta Ag Transducteur electromecanique a aimants permanents multipolaires
DE20314652U1 (de) * 2003-09-22 2004-08-26 Minebea Co., Ltd. Motor mit axialem Magnetfluß und ringförmigem Stator
US7884519B2 (en) * 2006-09-11 2011-02-08 Iichi Okuno Generator constituted to generate electric power by ring-shaped rotations

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553359A (en) * 1948-09-30 1951-05-15 Laclede Christy Company Deairing method
US3818690A (en) * 1973-11-21 1974-06-25 Timex Corp Stepping motor for watch movement
DE2705685A1 (de) * 1977-02-11 1978-08-17 Quarz Zeit Ag Einphasenschrittmotor
GB2054978B (en) * 1979-07-06 1984-06-13 Ebauches Sa Electromagnetic motor rotatable in either direction
US4629924A (en) * 1983-07-28 1986-12-16 Michel Grosjean Multiphase motor with magnetized rotor having N/2 pairs of poles at its periphery
US4680494A (en) * 1983-07-28 1987-07-14 Michel Grosjean Multiphase motor with facially magnetized rotor having N/2 pairs of poles per face
CH665069A5 (fr) * 1985-12-11 1988-04-15 Portescap Moteur electrique synchrone di- ou tetraphase a un etage.
US4922145A (en) * 1988-11-17 1990-05-01 Eastman Kodak Company Stepper motor
EP0458056B1 (fr) * 1990-04-23 1995-01-18 Eta SA Fabriques d'Ebauches Moteur électromagnétique
CH681500B5 (fr) * 1991-04-19 1993-10-15 Ebauchesfabrik Eta Ag Moteur électromagnétique à deux sens de rotation, notamment pour pièce d'horlogerie.
FR2679714B1 (fr) * 1991-07-22 1995-01-06 Ebauchesfabrik Eta Ag Transducteur electromagnetique polyphase a aimant permanent, notamment moteur d'entrainement.
FR2685144B1 (fr) * 1991-12-17 1997-09-12 Ebauchesfabrik Eta Ag Transducteur electromagnetique a aimant permanent multipolaire.

Also Published As

Publication number Publication date
KR940007910A (ko) 1994-04-28
JP3411640B2 (ja) 2003-06-03
DE69301216T2 (de) 1996-08-29
FR2696058B1 (fr) 1994-12-16
EP0589342A1 (fr) 1994-03-30
FR2696058A1 (fr) 1994-03-25
TW275724B (xx) 1996-05-11
EP0589342B1 (fr) 1996-01-03
JPH06217518A (ja) 1994-08-05
US5396139A (en) 1995-03-07
KR100303695B1 (ko) 2001-11-30
CN1033883C (zh) 1997-01-22
CN1085358A (zh) 1994-04-13
DE69301216D1 (de) 1996-02-15

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050915