| 摘要 |
PROBLEM TO BE SOLVED: To reduce the axial vibration of a motor shaft, with the change of the structure of a rotor. SOLUTION: This is a motor which is equipped with a stator, where winding is applied, a magnet, winding, and a cage type conductor. As for the form of a gap section where the stator and the rotor face each other, the gap is constituted of not cylinders having the same radii but spherical surfaces, or in combination of cylinders having two or more radii or in combination of a cylinder and a cone. This reduces the vibration generated in its axial direction, and reduces the vibration and noise of the motor. COPYRIGHT: (C)2006,JPO&NCIPI
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