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CH680552GA3 - - Google Patents
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CH680552GA3 - - Google Patents

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Publication number
CH680552GA3
CH680552GA3 CH52790A CH52790A CH680552GA3 CH 680552G A3 CH680552G A3 CH 680552GA3 CH 52790 A CH52790 A CH 52790A CH 52790 A CH52790 A CH 52790A CH 680552G A3 CH680552G A3 CH 680552GA3
Authority
CH
Switzerland
Prior art keywords
cage
micro
rotor
intended
motor
Prior art date
Application number
CH52790A
Other languages
French (fr)
Other versions
CH680552B5 (en
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 filed Critical
Priority to CH527/90A priority Critical patent/CH680552B5/fr
Priority to EP91101899A priority patent/EP0443403B1/en
Priority to DE69105542T priority patent/DE69105542T2/en
Priority to US07/655,811 priority patent/US5206554A/en
Priority to JP04543191A priority patent/JP3185149B2/en
Publication of CH680552GA3 publication Critical patent/CH680552GA3/fr
Publication of CH680552B5 publication Critical patent/CH680552B5/fr
Priority to HK98105352.4A priority patent/HK1006204B/en

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

This micro-motor comprises a rotor constituted by a permanent magnet (52) partially embedded in an overmoulding (54) which is made of plastic material and which is provided with a means of coupling to a driven mechanism, a cage (60) comprising a bottom and a cover and intended to be engaged inside a stator, while inside the latter the rotor is mounted in a freely rotating manner, and means for rotationally guiding the rotor (50) in the cage (60), this micro-motor being characterised in that the rotational guidance means are constituted, on the one hand, by two housing (74, 76) produced coaxially in the overmoulding (54) and, on the other hand, by two spindles (78, 80) respectively integral with the bottom and with the cover of the cage and intended to lodge respectively in one of the housings (74, 76). <??>This micro-motor is intended to be fitted to very small watch movements, for example for ladies' watches. <IMAGE>
CH527/90A 1990-02-19 1990-02-19 CH680552B5 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH527/90A CH680552B5 (en) 1990-02-19 1990-02-19
EP91101899A EP0443403B1 (en) 1990-02-19 1991-02-11 Electromagnetic micro-motor for equipping a small clockwork-movement
DE69105542T DE69105542T2 (en) 1990-02-19 1991-02-11 Electromagnetic micromotor to equip a small clockwork.
US07/655,811 US5206554A (en) 1990-02-19 1991-02-15 Electromagnetic micromotor for use in watch movements of small dimensions
JP04543191A JP3185149B2 (en) 1990-02-19 1991-02-19 Electromagnetic micromotor
HK98105352.4A HK1006204B (en) 1990-02-19 1998-06-16 Electromagnetic micro-motor for equipping a small clockwork-movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH527/90A CH680552B5 (en) 1990-02-19 1990-02-19

Publications (2)

Publication Number Publication Date
CH680552GA3 true CH680552GA3 (en) 1992-09-30
CH680552B5 CH680552B5 (en) 1993-03-31

Family

ID=4189049

Family Applications (1)

Application Number Title Priority Date Filing Date
CH527/90A CH680552B5 (en) 1990-02-19 1990-02-19

Country Status (5)

Country Link
US (1) US5206554A (en)
EP (1) EP0443403B1 (en)
JP (1) JP3185149B2 (en)
CH (1) CH680552B5 (en)
DE (1) DE69105542T2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH684671B5 (en) * 1993-01-18 1995-05-31 Ebauchesfabrik Eta Ag electromagnetic motor, especially of the stepper type, comprising a cage engaged in a stator.
US6274939B1 (en) 1998-09-11 2001-08-14 American Electronic Components Resin ceramic compositions having magnetic properties
US6519113B1 (en) * 1999-04-28 2003-02-11 Seagate Technology Llc Spindle motor assembly with polymeric motor shaft and hub for rotating a data storage disk
US6437464B1 (en) 1999-07-29 2002-08-20 Encap Motor Corporation Motor and disc assembly for computer hard drive
US6617721B1 (en) 1999-07-29 2003-09-09 Encap Motor Corporation High speed spindle motor
US6300695B1 (en) 1999-07-29 2001-10-09 Encap Motor Corporation High speed spindle motor with hydrodynamic bearings
US6362554B1 (en) 1999-07-29 2002-03-26 Encap Motor Corporation Stator assembly
US6753628B1 (en) * 1999-07-29 2004-06-22 Encap Motor Corporation High speed spindle motor for disc drive
US6501616B1 (en) 1999-07-29 2002-12-31 Encap Motor Corporation Hard disc drive with base incorporating a spindle motor stator
US6844636B2 (en) 1999-12-17 2005-01-18 Encap Motor Corporation Spindle motor with encapsulated stator and method of making same
US6892439B1 (en) 2001-02-01 2005-05-17 Encap Motor Corporation Motor with stator made from linear core preform
US7036207B2 (en) * 2001-03-02 2006-05-02 Encap Motor Corporation Stator assembly made from a plurality of toroidal core segments and motor using same
US20030183954A1 (en) * 2002-03-15 2003-10-02 Wolf Ronald J. Magnetic resin composition and method of processing
EP1418475A1 (en) * 2002-11-05 2004-05-12 Sarnatech Rolla AG Electromechanic micromotor
IT1394386B1 (en) * 2008-09-29 2012-06-15 Scuola Superiore Di Studi Universitari E Di Perfez WOBBLE-TYPE ELECTROMAGNETIC STEP-BY-STEP MICROMOTOR
JP5852424B2 (en) * 2011-12-01 2016-02-03 鈴木　利明 Clock motor
EP2717437B1 (en) * 2012-10-08 2018-08-01 ETA SA Manufacture Horlogère Suisse Electromagnetic motor for electronic clock movement with analogue display

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR74145E (en) * 1958-09-02 1960-11-07 Hatot Leon Ets Improvements to small machines and magneto-electric instruments
JPS54136610A (en) * 1978-04-14 1979-10-23 Citizen Watch Co Ltd Manufacture of rotor for converter
JPS54143807A (en) * 1978-04-28 1979-11-09 Citizen Watch Co Ltd Structure of rotor for use in converter
JPS5543926A (en) * 1978-09-19 1980-03-28 Star Seimitsu Kk Motor for timepiece

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1302143A (en) * 1961-09-28 1962-08-24 Siemens Ag Micromotor comprising a reduction mechanism arranged in its housing
FR1302692A (en) * 1961-09-30 1962-08-31 Siemens Ag Miniature electric motor with bell armature and speed reducer
NL6414624A (en) * 1964-12-16 1966-06-17
JPS535109A (en) * 1976-07-06 1978-01-18 Kougai Boushi Chiyousa Kenkiyu Method of manufacturing dibasic fatty acid
JPS5343924A (en) * 1976-09-30 1978-04-20 Minami Senju Mfg Co Ltd Method of restoring asphalt road face
DE2757831C2 (en) * 1976-12-28 1986-11-20 &Ccaron;eljabinskij politechni&ccaron;eskij institut imeni Leninskogo Komsomola, &Ccaron;eljabinsk Strip thickness control during rolling
US4126933A (en) * 1977-07-14 1978-11-28 Carrier Corporation Method for assembling a permanent magnet rotor
US4318017A (en) * 1980-01-04 1982-03-02 Timex Corporation Rotor assembly for electric stepping motor
US4412144A (en) * 1982-04-08 1983-10-25 Moskovsky Energetichesky Institut Single-phase step motor
DE3243212A1 (en) * 1982-11-23 1984-05-24 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen SMALL ELECTRIC MOTOR WITH AN ANCHOR
FR2629953B1 (en) * 1988-04-06 1991-07-05 Sagem ELECTRICAL COMPONENT, ESPECIALLY ELECTRIC MOTOR, EQUIPPED WITH DOUBLE PAIRS OF CONTACTS, PARTICULARLY FOR ALLOWING TWO DIFFERENT LOCATIONS ON A PRINTED CIRCUIT PLATE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR74145E (en) * 1958-09-02 1960-11-07 Hatot Leon Ets Improvements to small machines and magneto-electric instruments
JPS54136610A (en) * 1978-04-14 1979-10-23 Citizen Watch Co Ltd Manufacture of rotor for converter
JPS54143807A (en) * 1978-04-28 1979-11-09 Citizen Watch Co Ltd Structure of rotor for use in converter
JPS5543926A (en) * 1978-09-19 1980-03-28 Star Seimitsu Kk Motor for timepiece

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 3, no. 156 (E-161)() 21 décembre 1979, & JP-A-54 136610 (CITIZEN) 23 octobre 1979, *
PATENT ABSTRACTS OF JAPAN vol. 4, no. 4 (E-164)() 12 janvier 1980, & JP-A-54 143807 (CITIZEN) 09 novembre 1979, *
PATENT ABSTRACTS OF JAPAN vol. 4, no. 75 (E-13)(557) 31 mai 1980, & JP-A-55 43926 (STAR SEIMITSU) 28 mars 1980, *

Also Published As

Publication number Publication date
DE69105542D1 (en) 1995-01-19
HK1006204A1 (en) 1999-02-12
JP3185149B2 (en) 2001-07-09
US5206554A (en) 1993-04-27
JPH04215092A (en) 1992-08-05
EP0443403A1 (en) 1991-08-28
EP0443403B1 (en) 1994-12-07
CH680552B5 (en) 1993-03-31
DE69105542T2 (en) 1995-06-22

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Legal Events

Date Code Title Description
PL Patent ceased