| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotor which can be reduced in the eccentricity of a permanent magnet and can be enhanced in the fracture resistance of the permanent magnet. SOLUTION: The rotor comprises an inner cylinder 2 having protruded stripes 21 on the outer peripheral part, an outer cylinder 3 which is loosely fitted to the outer periphery of the inner cylinder 2 and covers the permanent magnet 4 with respect to the inner cylinder 2, a cushioning layer 5 composed of a silicon synthetic resin which is filled between the inner cylinder 2 and the outer cylinder 3 and holds the permanent magnet 4, and a support cylinder 1 which is fitted in the inside of the inner cylinder 2 so that it can be freely inserted and detached to integrally rotate with the inner cylinder 2. COPYRIGHT: (C)2006,JPO&NCIPI
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