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GB2012117B - Coil assembly for electro-mechanical transducer - Google Patents

Coil assembly for electro-mechanical transducer

Info

Publication number
GB2012117B
GB2012117B GB7846195A GB7846195A GB2012117B GB 2012117 B GB2012117 B GB 2012117B GB 7846195 A GB7846195 A GB 7846195A GB 7846195 A GB7846195 A GB 7846195A GB 2012117 B GB2012117 B GB 2012117B
Authority
GB
United Kingdom
Prior art keywords
electro
coil assembly
mechanical transducer
coil
hardened
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.)
Expired
Application number
GB7846195A
Other versions
GB2012117A (en
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 JP14188577A external-priority patent/JPS5475061A/en
Priority claimed from JP15360577A external-priority patent/JPS5498961A/en
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of GB2012117A publication Critical patent/GB2012117A/en
Application granted granted Critical
Publication of GB2012117B publication Critical patent/GB2012117B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/524—Fastening salient pole windings or connections thereto applicable to stators only for U-shaped, E-shaped or similarly shaped cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/06—Insulation of windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Magnetically Actuated Valves (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromechanical Clocks (AREA)

Abstract

In a coil assembly for an electro-mechanical transducer, a layer of resin hardenable by ultraviolet radiation is applied to the periphery or terminals of the coil, and is then hardened to provide a thin but highly durable protective coating. Examples of suitable base resins and photopolymerization initiators are disclosed. The coil may be used in the stepping motor of an electronic wristwatch.
GB7846195A 1977-11-26 1978-11-27 Coil assembly for electro-mechanical transducer Expired GB2012117B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14188577A JPS5475061A (en) 1977-11-26 1977-11-26 Structure of protective portion of coil terminal and its preparation
JP15360577A JPS5498961A (en) 1977-12-22 1977-12-22 Peripheral protective film for coil and method of producing same

Publications (2)

Publication Number Publication Date
GB2012117A GB2012117A (en) 1979-07-18
GB2012117B true GB2012117B (en) 1983-01-12

Family

ID=26474046

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7846195A Expired GB2012117B (en) 1977-11-26 1978-11-27 Coil assembly for electro-mechanical transducer

Country Status (4)

Country Link
CH (1) CH633159B (en)
GB (1) GB2012117B (en)
HK (1) HK7285A (en)
SG (1) SG80783G (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554730A (en) * 1984-01-09 1985-11-26 Westinghouse Electric Corp. Method of making a void-free non-cellulose electrical winding
CH691718A5 (en) * 1997-07-15 2001-09-14 Ebauchesfabrik Eta Ag motor coil for a timepiece and this coil assembly and a printed circuit.
DE69731079D1 (en) * 1997-07-15 2004-11-11 Eta Sa Mft Horlogere Suisse Coil for motors for timekeeping

Also Published As

Publication number Publication date
CH633159B (en)
GB2012117A (en) 1979-07-18
SG80783G (en) 1984-08-03
HK7285A (en) 1985-02-01
CH633159GA3 (en) 1982-11-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961127