| 摘要 |
PROBLEM TO BE SOLVED: To provide a permanent magnet type of motor which can effectively prevent the demagnetization of a permanent magnet by diamagnetic field. SOLUTION: The first air-gap 32 and the second air-gap 33 are formed segmentally in the radial direction of a rotor 3 from the ends of the permanent magnets 5a-5f. COPYRIGHT: (C)2009,JPO&INPIT
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