| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a graphite brush which is unlikely to wear out, irrespective of the temperature in operation and corresponds to a prolonged lifetime, and a motor which is equipped with the graphite brush. <P>SOLUTION: The graphite brush 1, which supplies electric power to a coil 17 wound around a core 9 arranged on a rotor 2 of a motor 10, is constituted of sintering member which has pores on the surface and the inside, and the inside of the pores is impregnated with liquid, having a boiling point which is higher than that of water. <P>COPYRIGHT: (C)2004,JPO |
