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Driving Apparatus

  • US 20090309449A1
  • Filed: 08/14/2009
  • Published: 12/17/2009
  • Est. Priority Date: 04/12/1996
  • Status: Active Grant
First Claim
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1. A permanent magnet electric rotating machine, comprising:

  • a stator;

    a rotor arranged opposite said stator with a rotation air gap in between, said rotor having a rotor iron core; and

    a plurality of permanent magnets fixed to said rotor iron core and arranged in the peripheral direction in said rotor;

    wherein, a ratio of the number of the magnets to the number of stator poles is 10;

    12.

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