| 简介 |
PROBLEM TO BE SOLVED : To provide a motor integrated with a housing by a sufficient grasping force with a plurality of segment magnets, without having the magnet grasping part of the housing, while holding a corrosion resistance and an oxidation resistance of a rare earth bonded magnet in the motor having the rare earth bonded magnet having a segment shape.
SOLUTION : A motor apparatus which has a permanent magnet disposed on the inner periphery of the housing of the motor, is characterised in that the permanent magnet is made of a plurality of segment-like rare earth bonded magnets, and has a film having superior corrosion resistance/oxidation resistance and high metal adhesiveness and covered on the surface of at least the segment-like rare earth bonded magnet and continuously on the inner peripheral surface of the housing around the rare earth bonded magnet. |
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