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Motor

  • US 6,049,153 A
  • Filed: 02/02/1998
  • Issued: 04/11/2000
  • Est. Priority Date: 02/23/1996
  • Status: Expired due to Term
First Claim
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1. A motor for rotating and driving a shaft by utilizing a reluctance torque, comprising:

  • a stator core having a plurality of core elements and a respective plurality of slots interposed between said plurality of core elements, each core element of said plurality of core elements including a teeth part and an outer circumference part;

    a concentrated winding applied over each of said teeth part; and

    a rotor incorporating a plurality of permanent magnets arranged around a center thereof, each of said plurality of permanent magnets provided at a larger pitch than the stator coil pitch, of at least one of said magnets having a magnet forward portion and a magnet backward portion each having respective surfaces facing said stator core and angled toward each other,wherein each of said core elements is formed so as to be mutually independent, and said stator core is formed by combining each outer circumference part of said plurality of core elements in an annular form.

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