| 摘要 |
PROBLEM TO BE SOLVED: To provide a brush motor which reduced electromagnetic radiation noise. SOLUTION: In the brush motor, a cap 4 made of an electroconductive material installed to a part covering around a shaft 1 of a housing part 3 made of non-conductive material at the side of a driven equipment of the brush motor is grounded. By the cap 4 being grounded, a part of the electromagnetic noise generated toward the driven equipment is shielded, and simultaneously the antenna effect of the shaft decreases and the generation rate of the electromagnetic noise is reduced. The cap 4 expands to outward in the radial direction along the housing part 3, and the part which sticks out from the housing part 3 of a minus terminal 31a is expanded or stretched, and connected with the expanded cap 4 to ground it. |
