| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor that can secure a large winding area of an armature coil and comprises a stator core in which the armature coil wound to a tooth part hardly slips off at the time of winding. SOLUTION: In this motor comprising a stator that is provided with the stator core 2C composed of a cylindrical yoke 3C and the tooth-shaped tooth part 4C, and the armature coil 5 wound to the tooth part 4C: the stator core 2C is formed of magnetic powder; the width of the tooth part 4C in the circumferential direction is formed into a tapered shape so as to be narrowed toward the inside diameter direction from the outside diameter; and the thickness in the axial direction is increased toward the inside diameter direction from the outside direction. Furthermore, insulating coatings 14C are applied to the internal face of the yoke 3C and the surface of the coil-wound part of the the tooth part 4C. COPYRIGHT: (C)2005,JPO&NCIPI
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