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MOTOR AND FAN DEVICE USING THE SAME

  • US 20080069686A1
  • Filed: 08/14/2007
  • Published: 03/20/2008
  • Est. Priority Date: 09/20/2006
  • Status: Active Grant
First Claim
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1. A motor, comprising:

  • a rotor which rotates around a rotary shaft;

    a first stator core in which a plurality of first columnar core portions and a plurality of claw-type teeth are arranged on circles, respectively, the centers of the circles being the rotary shaft; and

    a second stator core in which a plurality of second columnar core portions and a plurality of claw-type teeth are arranged on circles, respectively, the center of the circles being the rotary shaft, whereinthe motor comprises a stator in which the first stator core and the second stator core are opposed so that the first and second columnar core portions overlap each other, and in which a coil is provided at each of the overlapping columnar core portions, whereinthe first and the second stator cores comprise a recessed portion in at least one of the columnar core portions, and a projected portion in at least one of the columnar core portions, the projected portion being adapted to be fitted in the recessed portion.

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