| 摘要 |
<p>A metal-graphite brush (1) for supplying electricity to a coil (17) wound around a core (9) provided at a rotor (2) of a motor (10), characterized in that the metal-graphite brush (1) is made of sintered material (22) having porosities (19) at a surface and inside thereof, and the porosities (19) is infiltrated with a conductive liquid (21) having a boiling point higher than that of water.</p> |
