CH611765B - Rotor de micro-moteur d'horlogerie. - Google Patents

Rotor de micro-moteur d'horlogerie.

Info

Publication number
CH611765B
CH611765B CH1358175A CH1358175A CH611765B CH 611765 B CH611765 B CH 611765B CH 1358175 A CH1358175 A CH 1358175A CH 1358175 A CH1358175 A CH 1358175A CH 611765 B CH611765 B CH 611765B
Authority
CH
Switzerland
Prior art keywords
bushes
flange
portions
outer periphery
bush
Prior art date
Application number
CH1358175A
Other languages
English (en)
French (fr)
Other versions
CH611765GA3 (enExample
Inventor
Takaji Kusayama
Katsuji Aoki
Original Assignee
Seiko Instr & Electronics
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 CH611765B publication Critical patent/CH611765B/fr
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH611765GA3 publication Critical patent/CH611765GA3/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner 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
    • H02K1/2733—Annular magnets
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
CH1358175A 1974-10-21 1975-10-20 Rotor de micro-moteur d'horlogerie. CH611765B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49121267A JPS5147206A (en) 1974-10-21 1974-10-21 Kogatamootano roota

Publications (2)

Publication Number Publication Date
CH611765B true CH611765B (fr)
CH611765GA3 CH611765GA3 (enExample) 1979-06-29

Family

ID=14807011

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1358175A CH611765B (fr) 1974-10-21 1975-10-20 Rotor de micro-moteur d'horlogerie.

Country Status (5)

Country Link
US (1) US4035677A (enExample)
JP (1) JPS5147206A (enExample)
CH (1) CH611765B (enExample)
GB (1) GB1497338A (enExample)
HK (1) HK26583A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128611U (enExample) * 1977-03-18 1978-10-12
JPS541809A (en) * 1977-06-07 1979-01-09 Citizen Watch Co Ltd Rotor magnetic and its manufacture
JPS5440401U (enExample) * 1977-08-26 1979-03-17
JPS55142934A (en) * 1979-04-23 1980-11-07 Volschskoe Obedinenie Po Rotaryypiston internal combustion engine
US4318017A (en) * 1980-01-04 1982-03-02 Timex Corporation Rotor assembly for electric stepping motor
US4888507A (en) * 1988-10-27 1989-12-19 Timex Corporation Stepping motor rotor assembly for an electronic timepiece
US5142180A (en) * 1989-09-27 1992-08-25 Shell Oil Company Direct current motor for operation at elevated temperatures in a hostile environment
DE9006935U1 (de) * 1990-06-21 1991-10-17 Robert Bosch Gmbh, 7000 Stuttgart Elektromotorischer Antrieb
FR2670628A1 (fr) * 1990-12-14 1992-06-19 Cheval Freres Sa Rotor pour moteur electrique.
US6282053B1 (en) * 1994-08-05 2001-08-28 Seagate Technology, Inc. Adhesiveless disc drive spindle assembly
US6677692B1 (en) * 1998-04-23 2004-01-13 Citizen Watch Co., Ltd. Rotor of small-sized motor
US6002186A (en) * 1998-07-13 1999-12-14 Ims Inc. Electric stepper motor having a cylindrical magnetic rotor with a pair of cups made of magnetic material
JP4823425B2 (ja) * 2001-01-15 2011-11-24 ミネベア株式会社 Ｄｃモータ
US6663827B2 (en) 2001-04-13 2003-12-16 Romain L. Billiet Rare earth magnet rotors for watch movements and method of fabrication thereof
EP2016664A2 (en) * 2006-05-10 2009-01-21 Jones, Robert, M. Permanent magnet rotor with crimped sheath
WO2010114631A1 (en) * 2009-04-03 2010-10-07 Jones Robert M Over-molded liquid cooled three-stack motor
JP5457787B2 (ja) * 2009-10-20 2014-04-02 日本電産サンキョー株式会社 モータ用ロータ、およびモータ
JP6405788B2 (ja) * 2014-08-20 2018-10-17 株式会社デンソー 回転電機の回転子
NL2019377B1 (nl) * 2017-07-31 2019-02-19 Vostermans Ventilation B V Elektromotor, werkwijze voor het vervaardigen van de elektromotor en aandrijfas voor een dergelijke elektromotor
JP2023183526A (ja) * 2022-06-16 2023-12-28 株式会社マキタ ブラシレスモータ、電動作業機、及びブラシレスモータの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190956A (en) * 1937-06-18 1940-02-20 Bendix Aviat Corp Magneto generator

Also Published As

Publication number Publication date
HK26583A (en) 1983-08-19
JPS5415603B2 (enExample) 1979-06-15
GB1497338A (en) 1978-01-05
JPS5147206A (en) 1976-04-22
US4035677A (en) 1977-07-12
CH611765GA3 (enExample) 1979-06-29

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Legal Events

Date Code Title Description
PL Patent ceased