GB2062367A - Stepping polyphased motor for a clockwork mechanism - Google Patents

Stepping polyphased motor for a clockwork mechanism

Info

Publication number
GB2062367A
GB2062367A GB8039295A GB8039295A GB2062367A GB 2062367 A GB2062367 A GB 2062367A GB 8039295 A GB8039295 A GB 8039295A GB 8039295 A GB8039295 A GB 8039295A GB 2062367 A GB2062367 A GB 2062367A
Authority
GB
United Kingdom
Prior art keywords
motor
polyphased
stepping
coil
magnetic circuit
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.)
Withdrawn
Application number
GB8039295A
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.)
Portescap SA
Original Assignee
Portescap SA
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
Priority claimed from CH350779A external-priority patent/CH630775B/en
Application filed by Portescap SA filed Critical Portescap SA
Publication of GB2062367A publication Critical patent/GB2062367A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Windings For Motors And Generators (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

A polyphased stepping motor for the direct driving of the second or minute pin in a clockwork. The motor comprises a disc shaped rotor (1) axially magnetised so as to have 2N alternating poles and at least two stator members (2, 3) each made by a magnetic circuit with gap and command coil (6, 7). The magnetic circuit is formed by one or two U-shaped members coupled with the said coil. The arrangement is such that the number of steps per command current period be 60m/N. The invention also applies to motor for quartz clocks. <IMAGE>
GB8039295A 1979-04-12 1980-04-09 Stepping polyphased motor for a clockwork mechanism Withdrawn GB2062367A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH350779A CH630775B (en) 1979-04-12 1979-04-12 POLYPHASE STEP MOTOR FOR WATCHMAKING MOVEMENT.
PCT/CH1980/000044 WO1980002203A1 (en) 1979-04-12 1980-04-09 Stepping polyphased motor for a clockwork mechanism

Publications (1)

Publication Number Publication Date
GB2062367A true GB2062367A (en) 1981-05-20

Family

ID=25693199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8039295A Withdrawn GB2062367A (en) 1979-04-12 1980-04-09 Stepping polyphased motor for a clockwork mechanism

Country Status (2)

Country Link
DE (1) DE3041402A1 (en)
GB (1) GB2062367A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161032A1 (en) * 1984-05-11 1985-11-13 Koninklijke Philips Electronics N.V. Electric motor
GB2193849A (en) * 1986-07-22 1988-02-17 Nippon Telegraph & Telephone Permenant magnet motor having detent torque generating means
EP0296691A1 (en) * 1987-06-26 1988-12-28 Kinetron B.V. Electro-mechanical timepiece with stepper motor
EP0356396A1 (en) * 1988-08-25 1990-02-28 Scholer AG Multipolar step motor
CH680553GA3 (en) * 1990-06-01 1992-09-30 Multipole stepping motor for clock - includes disc rotor with number of pole pieces selected to give good starting when current is applied
EP0697762A1 (en) * 1994-08-18 1996-02-21 Moto Meter GmbH Stepping motor with prevailing axial rotor magnetisation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0161032A1 (en) * 1984-05-11 1985-11-13 Koninklijke Philips Electronics N.V. Electric motor
GB2193849A (en) * 1986-07-22 1988-02-17 Nippon Telegraph & Telephone Permenant magnet motor having detent torque generating means
GB2193849B (en) * 1986-07-22 1990-09-05 Nippon Telegraph & Telephone Stepping motor, method of driving the same and drive circuit therefor
EP0296691A1 (en) * 1987-06-26 1988-12-28 Kinetron B.V. Electro-mechanical timepiece with stepper motor
US4908808A (en) * 1987-06-26 1990-03-13 Kinetron B.V. Timepiece having a multipolar rotor
EP0356396A1 (en) * 1988-08-25 1990-02-28 Scholer AG Multipolar step motor
CH673199GA3 (en) * 1988-08-25 1990-02-28
CH680553GA3 (en) * 1990-06-01 1992-09-30 Multipole stepping motor for clock - includes disc rotor with number of pole pieces selected to give good starting when current is applied
EP0697762A1 (en) * 1994-08-18 1996-02-21 Moto Meter GmbH Stepping motor with prevailing axial rotor magnetisation

Also Published As

Publication number Publication date
DE3041402A1 (en) 1982-03-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)