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Stator assembly made from a plurality of toroidal core segments and motor using same

  • US 7,036,207 B2
  • Filed: 03/02/2001
  • Issued: 05/02/2006
  • Est. Priority Date: 03/02/2001
  • Status: Expired due to Term
First Claim
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1. A stator assembly, comprising:

  • a) a plurality of individual stator arc segments forming a toroidal core, wherein each said stator arc segment has two end surfaces and a plurality of poles with wire wound around said poles forming the toroidal core; and

    b) a monolithic body of injection molded thermoplastic material substantially encapsulating the stator arc segments and the wire wound around the poles, wherein said thermoplastic material bonds the arc segments together to hold the arc segments in a toroidal shape, the monolithic body of thermoplastic material being the sole structure functioning to secure the arc segments in the toroidal shape.

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