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Permanent magnet motor

  • US 6,144,132 A
  • Filed: 07/26/1999
  • Issued: 11/07/2000
  • Est. Priority Date: 08/03/1998
  • Status: Active Grant
First Claim
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1. A permanent magnet motor having a plurality of phases, the motor comprising:

  • stator salient poles of each of the plurality of phases positioned in a stator,windings of each phase coiled on each of said stator salient poles,a plurality of individual permanent magnets having N poles and S poles alternately threaded to the inside of a rotor,a plurality of N pole magnetic poles, one N pole magnetic pole being magnetically connected to each of the N poles of said plurality of individual permanent magnets, anda plurality of S pole magnetic poles, one S pole magnetic pole being magnetically connected to each of the S poles of said plurality of individual permanent magnets,the plurality of N pole magnetic poles being positioned on the rotor surface and being commonly connected to an N pole magnetic circuit, andthe plurality of S pole magnetic poles being positioned alternately with said N pole magnetic poles in the rotational direction of the rotor and being commonly connected to an S pole magnetic circuit.

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