CH616305GA3 - Electric micromotor intended to be used in a timepiece - Google Patents

Electric micromotor intended to be used in a timepiece Download PDF

Info

Publication number
CH616305GA3
CH616305GA3 CH220075A CH220075A CH616305GA3 CH 616305G A3 CH616305G A3 CH 616305GA3 CH 220075 A CH220075 A CH 220075A CH 220075 A CH220075 A CH 220075A CH 616305G A3 CH616305G A3 CH 616305GA3
Authority
CH
Switzerland
Prior art keywords
stator pieces
motor
tubular piece
timepiece
intended
Prior art date
Application number
CH220075A
Other versions
CH616305B (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
Publication of CH616305B publication Critical patent/CH616305B/fr
Application filed filed Critical
Publication of CH616305GA3 publication Critical patent/CH616305GA3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • 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
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • 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
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The micromotor comprises two stator pieces of elongate shape (4, 5), carrying a coil former and situated facing one another, ends opposed. A rotor (1) is mounted between the opposing ends of the stator pieces. It rotates about an axis perpendicular to the longitudinal axis of the stator pieces. An outer casing (8) joins together flanges (4a, 5a) presented by the stator pieces at their outward pointing extremity. This outer tubular piece (8) is made of a material with high magnetic permeability and it provides effective shielding for the motor. The motor can be manufactured simply and inexpensively, with small dimensions, and it benefits, through the presence of the outer tubular piece of ferromagnetic material, from excellent shielding between its inner space and the outer ambient space. <IMAGE>
CH220075A 1974-02-21 1975-02-21 Electric micromotor intended to be used in a timepiece CH616305GA3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49019949A JPS50113708A (en) 1974-02-21 1974-02-21

Publications (2)

Publication Number Publication Date
CH616305B CH616305B (en)
CH616305GA3 true CH616305GA3 (en) 1980-03-31

Family

ID=12013445

Family Applications (1)

Application Number Title Priority Date Filing Date
CH220075A CH616305GA3 (en) 1974-02-21 1975-02-21 Electric micromotor intended to be used in a timepiece

Country Status (3)

Country Link
JP (1) JPS50113708A (en)
CH (1) CH616305GA3 (en)
GB (1) GB1461216A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118375B (en) * 1982-04-08 1986-03-26 Japan Servo Permanent magnet stepping motor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4988028A (en) * 1972-12-27 1974-08-22

Also Published As

Publication number Publication date
GB1461216A (en) 1977-01-13
CH616305B (en)
JPS50113708A (en) 1975-09-06

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