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Coil structure for electric motor

  • US 5,623,178 A
  • Filed: 07/05/1994
  • Issued: 04/22/1997
  • Est. Priority Date: 07/19/1993
  • Status: Expired due to Fees
First Claim
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1. A multi-phase driving electric motor having a stator and a rotor arranged so as to confront the stator, said stator comprising:

  • (a) a stator core provided with a plurality of slots facing toward the rotor in a direction parallel with a rotating shaft of the rotor, and(b) a coil having;

    (b-1) a plurality of molded coil pieces inserted in to each slot, and(b-2) a plurality of connecting members connecting the molded coil pieces in the slot to the molded coil pieces in another slot having the same phase as the former coil pieces, said connecting members being arranged on two edges of the stator in the direction parallel with rotating shaft of the rotor, and having an integral structure of plurality of conductive members laminated via insulating layers and said conductive members and insulating layers being perpendicular to the rotating shaft and layered in the direction of the rotating shaft.

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