Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shih-Ming Huang0
Lijian Wu0
Wen-Shi Huang0
Wanbing Jin0
Jianping Ying0
Date of Patent
November 23, 2010
0Patent Application Number
118279340
Date Filed
July 13, 2007
0Patent Primary Examiner
Patent abstract
A permanent magnet motor is provided. The permanent magnet motor includes a stator having a stator shaft having an outer surface, K salient teeth formed upon the outer surface, and K winding slots formed among the K salient teeth, and a rotor having a first inner surface facing the outer surface, and P pairs of permanent magnets formed on the first inner surface, each of which has a second inner surface facing the outer surface and at least a groove formed on the second inner surface to reduce a cogging torque.
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