CH628773B - Verfahren zur herstellung eines rotors fuer einen schrittmotor. - Google Patents

Verfahren zur herstellung eines rotors fuer einen schrittmotor.

Info

Publication number
CH628773B
CH628773B CH23379A CH23379A CH628773B CH 628773 B CH628773 B CH 628773B CH 23379 A CH23379 A CH 23379A CH 23379 A CH23379 A CH 23379A CH 628773 B CH628773 B CH 628773B
Authority
CH
Switzerland
Prior art keywords
rotor
bore
pinion
gap
manufacturing
Prior art date
Application number
CH23379A
Other languages
English (en)
Other versions
CH628773GA3 (de
Inventor
Hiroki Nomura
Kenji Miyake
Masaru Koyanagi
Masao Mafune
Chiaki Sekine
Original Assignee
Citizen Watch Co 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 of CH628773B publication Critical patent/CH628773B/de
Priority claimed from JP308278A external-priority patent/JPS5499473A/ja
Priority claimed from JP2622778A external-priority patent/JPS54119607A/ja
Priority claimed from JP11053778A external-priority patent/JPS5537867A/ja
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of CH628773GA3 publication Critical patent/CH628773GA3/de

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00Driving mechanisms for clocks by primary clocks
    • G04C13/08Secondary clocks actuated intermittently
    • G04C13/10Secondary clocks actuated intermittently by electromechanical step-advancing mechanisms
    • G04C13/11Secondary clocks actuated intermittently by electromechanical step-advancing mechanisms with rotating armature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733Annular magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Electromechanical Clocks (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
CH23379A 1978-01-14 1979-01-10 Verfahren zur herstellung eines rotors fuer einen schrittmotor. CH628773B (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP308278A JPS5499473A (en) 1978-01-14 1978-01-14 Rotor structure of step motor for watches
JP2622778A JPS54119607A (en) 1978-03-08 1978-03-08 Rotor structure of step motor for timepiece
JP11053778A JPS5537867A (en) 1978-09-08 1978-09-08 Rotor structure of comverter for timepiece

Publications (2)

Publication Number Publication Date
CH628773B true CH628773B (de)
CH628773GA3 CH628773GA3 (de) 1982-03-31

Family

ID=27275649

Family Applications (1)

Application Number Title Priority Date Filing Date
CH23379A CH628773B (de) 1978-01-14 1979-01-10 Verfahren zur herstellung eines rotors fuer einen schrittmotor.

Country Status (3)

Country Link
CH (1) CH628773B (de)
DE (1) DE2900756C2 (de)
GB (1) GB2015266B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19617134A1 (de) * 1996-04-29 1997-10-30 Siemens Ag Anordnung eines ringförmigen Dauermagneten auf einer Welle
GB2375060B (en) * 1997-09-12 2003-01-29 Bridgeport Machines Ltd Lifting and lowering mechanism for use with a tool carousel wheel
CN1251381C (zh) * 1998-04-23 2006-04-12 西铁城时计株式会社 小型电动机的转子
RU2168829C1 (ru) * 1999-12-15 2001-06-10 Общество с ограниченной ответственностью "Интеллект-АФ" Способ изготовления ротора электрической машины
JP2001327105A (ja) * 2000-05-17 2001-11-22 Fujitsu General Ltd 電動機の回転子およびその製造方法
FR2810469B1 (fr) * 2000-06-15 2002-10-11 Valeo Machine tournante electrique a faible encombrement et performances elevees
KR100653434B1 (ko) 2005-04-29 2006-12-01 영 춘 정 2상 무정류자 모터
US8299661B2 (en) * 2007-05-11 2012-10-30 Sntech Inc. Rotor of brushless motor
KR100915365B1 (ko) * 2007-10-25 2009-09-03 영 춘 정 무정류자 모터의 회전자
US8033007B2 (en) 2007-05-11 2011-10-11 Sntech, Inc. Method of making rotor of brushless motor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5088516A (de) * 1973-12-10 1975-07-16
US4095129A (en) * 1975-09-22 1978-06-13 Citizen Watch Company Limited Rotor assembly for electro-mechanical transducer of electronic timepiece

Also Published As

Publication number Publication date
DE2900756A1 (de) 1979-07-19
GB2015266A (en) 1979-09-05
CH628773GA3 (de) 1982-03-31
DE2900756C2 (de) 1983-08-04
GB2015266B (en) 1982-10-20

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Legal Events

Date Code Title Description
PL Patent ceased