| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor reducing current flowing in a bearing which causes an abnormal wear of the bearing; and suppressing the electric corrosion of the bearing without detracting its productivity, quality, and safety. SOLUTION: The motor 100 has: a stator assembly 40 wound by winding 42 via an insulating part 43, at a stator iron core 41 constituted by laminating an electro-magnetic steel plate; and a printed circuit board 45 disposed at an end in the axial direction of the stator assembly 40. The motor is equipped with a mold stator 10 molded by mold resin 50, with the printed wiring board mounted on the stator assembly; a rotor assembly 20 in which a rotor 20a is inserted into a shaft 23, together with a first bearing 21a and a second bearing 21b constituted by a rolling bearing; a bracket 30; a metal plate 70 arranged close to the printed circuit board 45 in contact with the outer surface of the mold resin 50, at the end in the axial direction of the mold stator 10 on the printed circuit board 45 side; and a connecting pin 61 electrically connecting the metal plate 70 to the stator iron core 41. COPYRIGHT: (C)2011,JPO&INPIT
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