| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a dynamic damper which effectively absorbs vibration occurring from a power generator rotor in an AC generator of an engine, where the dynamic damper is arranged on an outer periphery of a cylindrical part of the rotor arranged in a crankshaft end. Ž<P>SOLUTION: A stator constituting the generator is arranged inside the cylindrical part of the rotor. A permanent magnet is arranged in the same outer periphery direction as the dynamic damper in a position confronted with the stator on an outer periphery of a boss part fixing the rotor to a crankshaft. The dynamic damper is arranged to overlap with the permanent magnet in an axial direction. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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