| 摘要 |
<P>PROBLEM TO BE SOLVED: To suitably suppress disordering of rotational balance. <P>SOLUTION: In an electric motor M including a core which includes a plurality of teeth parts and has the teeth parts wound with a coil 43, and a rotating shaft 30 having an eccentric shaft part 32 to which the core is fixed and which is eccentric with the shaft center, the core has a cut part in phase with the shaft center of the eccentric shaft part 32 centering on the shaft center of the rotating shaft 30 on a side close to the eccentric shaft part in a direction of the rotating shaft, and also has a cut part in opposite phase from the shaft center of the eccentric shaft part 32 centering on the shaft center of the rotating shaft on a side far away from the eccentric shaft part 32 in the direction of the rotating shaft, the center position of the cut part in a peripheral direction of the core being aligned with the center position of a coil 43f6 in the ending of winding of the coil 43 in the peripheral direction of the core. <P>COPYRIGHT: (C)2013,JPO&INPIT |
