FR2497021A1 - Electro-motor for timepiece - has punched rotor comprising magnetic material with plastic binder - Google Patents

Electro-motor for timepiece - has punched rotor comprising magnetic material with plastic binder Download PDF

Info

Publication number
FR2497021A1
FR2497021A1 FR8119606A FR8119606A FR2497021A1 FR 2497021 A1 FR2497021 A1 FR 2497021A1 FR 8119606 A FR8119606 A FR 8119606A FR 8119606 A FR8119606 A FR 8119606A FR 2497021 A1 FR2497021 A1 FR 2497021A1
Authority
FR
France
Prior art keywords
rotor
electric motor
motor according
support disc
shaft
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.)
Granted
Application number
FR8119606A
Other languages
English (en)
French (fr)
Other versions
FR2497021B1 (cg-RX-API-DMAC7.html
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO 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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of FR2497021A1 publication Critical patent/FR2497021A1/fr
Application granted granted Critical
Publication of FR2497021B1 publication Critical patent/FR2497021B1/fr
Granted legal-status Critical Current

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
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/08—Secondary clocks actuated intermittently
    • G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Secondary 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
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • 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

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)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
FR8119606A 1980-12-22 1981-10-19 Electro-motor for timepiece - has punched rotor comprising magnetic material with plastic binder Granted FR2497021A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803048403 DE3048403A1 (de) 1980-12-22 1980-12-22 Elektromotor

Publications (2)

Publication Number Publication Date
FR2497021A1 true FR2497021A1 (en) 1982-06-25
FR2497021B1 FR2497021B1 (cg-RX-API-DMAC7.html) 1986-05-16

Family

ID=6119906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8119606A Granted FR2497021A1 (en) 1980-12-22 1981-10-19 Electro-motor for timepiece - has punched rotor comprising magnetic material with plastic binder

Country Status (2)

Country Link
DE (1) DE3048403A1 (cg-RX-API-DMAC7.html)
FR (1) FR2497021A1 (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533083A1 (fr) * 1982-09-15 1984-03-16 Sodeco Compteurs De Geneve Rotor pour moteurs synchrones
EP0308647A1 (de) * 1987-08-26 1989-03-29 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Festsitzes zwischen einer Rotorwelle und einem umspritzten Rotationskörper
EP0990961A1 (en) * 1998-10-01 2000-04-05 Seiko Epson Corporation Electromagnetic transducer and electronic device including the transducer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3046306B1 (fr) * 2015-12-28 2018-01-26 Safran Aircraft Engines Arbre de rotor apte a bloquer en rotation un bobinage et procede de fabrication d'un tel arbre

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401543A1 (fr) * 1977-08-25 1979-03-23 Quarz Zeit Ag Moteur monophase pas a pas, en particulier pour montres ou horloges
JPS5443514A (en) * 1977-09-13 1979-04-06 Seiko Epson Corp Preparating rotor magnet for electronic wristwatch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401543A1 (fr) * 1977-08-25 1979-03-23 Quarz Zeit Ag Moteur monophase pas a pas, en particulier pour montres ou horloges
JPS5443514A (en) * 1977-09-13 1979-04-06 Seiko Epson Corp Preparating rotor magnet for electronic wristwatch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 3, no. 66 (E-115), 7 juin 1979, page 20 E 115; & JP - A - 54 43514 (SUWA SEIKOSHA K.K.) (04.06.1979). *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533083A1 (fr) * 1982-09-15 1984-03-16 Sodeco Compteurs De Geneve Rotor pour moteurs synchrones
EP0308647A1 (de) * 1987-08-26 1989-03-29 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Festsitzes zwischen einer Rotorwelle und einem umspritzten Rotationskörper
EP0990961A1 (en) * 1998-10-01 2000-04-05 Seiko Epson Corporation Electromagnetic transducer and electronic device including the transducer
US6208055B1 (en) 1998-10-01 2001-03-27 Seiko Epson Corporation Electromagnetic transducer and electronic device including the transducer

Also Published As

Publication number Publication date
FR2497021B1 (cg-RX-API-DMAC7.html) 1986-05-16
DE3048403A1 (de) 1982-07-08

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