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Motor having rotor formed by using thermosetting resin

  • US 6,489,696 B2
  • Filed: 05/11/2000
  • Issued: 12/03/2002
  • Est. Priority Date: 05/13/1999
  • Status: Expired due to Fees
First Claim
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1. A motor comprising:

  • (a) a rotor including;

    a cylindrical magnet including a plurality of poles;

    a shaft coaxially situated within said magnet; and

    a molded member comprising thermosetting resin, the thermosetting resin includes unsaturated polyester resin whose weight density ratio is not less than 10% and not more than 30%, said molded member located between said cylindrical magnet and said shaft;

    (b) a stator facing said rotor.

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