FR2427727B1 - - Google Patents

Info

Publication number
FR2427727B1
FR2427727B1 FR7917966A FR7917966A FR2427727B1 FR 2427727 B1 FR2427727 B1 FR 2427727B1 FR 7917966 A FR7917966 A FR 7917966A FR 7917966 A FR7917966 A FR 7917966A FR 2427727 B1 FR2427727 B1 FR 2427727B1
Authority
FR
France
Prior art keywords
rotor
stator
axis
point
magnetically coupled
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.)
Expired
Application number
FR7917966A
Other languages
English (en)
Other versions
FR2427727A1 (fr
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of FR2427727A1 publication Critical patent/FR2427727A1/fr
Application granted granted Critical
Publication of FR2427727B1 publication Critical patent/FR2427727B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
    • 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
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
    • H02K21/185—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores with the axis of the rotor perpendicular to the plane of the armature
    • 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
    • H02K37/14—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 with magnets rotating within the armatures
    • H02K37/16—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 with magnets rotating within the armatures having horseshoe armature cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
FR7917966A 1977-09-07 1979-07-09 Moteur pour montre electronique Granted FR2427727A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10748477A JPS5441408A (en) 1977-09-07 1977-09-07 Transducer for electronic watch

Publications (2)

Publication Number Publication Date
FR2427727A1 FR2427727A1 (fr) 1979-12-28
FR2427727B1 true FR2427727B1 (fr) 1983-10-07

Family

ID=14460378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7917966A Granted FR2427727A1 (fr) 1977-09-07 1979-07-09 Moteur pour montre electronique

Country Status (8)

Country Link
EP (1) EP0001334A1 (fr)
JP (1) JPS5441408A (fr)
CH (1) CH629063GA3 (fr)
DE (1) DE2857221A1 (fr)
FR (1) FR2427727A1 (fr)
GB (1) GB2041658B (fr)
HK (1) HK87585A (fr)
MY (1) MY8700006A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134816A (en) * 1975-05-16 1976-11-22 Seiko Instr & Electronics Ltd Converter for an electronic clock
US4679313A (en) * 1985-03-08 1987-07-14 Kollmorgen Technologies Corporation Method of making a servo motor with high energy product magnets
FR2605157A1 (fr) * 1986-10-13 1988-04-15 Parrenin Sa Moteur electrique du type pas a pas notamment pour montre a quartz
JPS63101574A (ja) * 1986-10-16 1988-05-06 Taiho Kogyo Co Ltd ガスケツト
DE3879486D1 (de) * 1988-09-15 1993-04-22 Siemens Ag Selbstanlaufender einphasen-synchronmotor.
JP2515968Y2 (ja) * 1990-07-31 1996-11-06 株式会社コパル 永久磁石ロータ型ステッピングモータ
DE4328421A1 (de) * 1993-08-24 1995-03-02 Vacuumschmelze Gmbh Schrittmotor für eine elektrische Uhr
DE19500357A1 (de) * 1995-01-09 1996-07-18 Haller Eckhart W Dipl Ing Fh Elektromagnetischer Schrittmotor mit zwei Drehrichtungen
US6975049B2 (en) * 2003-10-29 2005-12-13 A. O. Smith Corporation Electrical machine and method of manufacturing the same
WO2006007642A1 (fr) * 2004-07-16 2006-01-26 Unitract Syringe Pty Ltd Protecteur d'aiguille de seringue
EP2025944B1 (fr) 2007-08-09 2017-08-09 Askoll Holding S.r.l. Moteur synchrone monophasé pour machines domestiques
CN106487123B (zh) * 2015-08-31 2024-04-09 德昌电机(深圳)有限公司 液泵及其驱动电机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR68711E (fr) * 1955-07-13 1958-06-09 Hatot Leon Ets Perfectionnements aux horloges magnéto-électriques et aux appareils analogues
US2792510A (en) * 1956-01-25 1957-05-14 Gen Electric Motor structure
FR74145E (fr) * 1958-09-02 1960-11-07 Hatot Leon Ets Perfectionnements aux petites machines et aux instruments magnéto-électriques
US3768054A (en) * 1972-04-03 1973-10-23 Gen Electric Low flux leakage magnet construction
JPS5013773A (fr) * 1973-06-07 1975-02-13
FR2263632B1 (fr) * 1974-03-07 1980-08-14 Seiko Instr & Electronics
JPS604666B2 (ja) * 1974-04-04 1985-02-05 セイコーエプソン株式会社 水晶腕時計用変換器
JPS512912A (ja) * 1974-06-28 1976-01-12 Seiko Instr & Electronics Muchoseisutetsupumoota

Also Published As

Publication number Publication date
MY8700006A (en) 1987-12-31
DE2857221A1 (de) 1980-01-03
HK87585A (en) 1985-11-15
GB2041658B (en) 1982-12-01
DE2857221C2 (fr) 1988-02-04
FR2427727A1 (fr) 1979-12-28
JPS5441408A (en) 1979-04-02
GB2041658A (en) 1980-09-10
EP0001334A1 (fr) 1979-04-04
JPS6114748B2 (fr) 1986-04-21
CH629063GA3 (fr) 1982-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse