| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electric vacuum pump which can operate stably.SOLUTION: An electric vacuum pump 18 comprises: a rotary member made up of an armature 112a and a commutator 113; a brush 115 which slides with the commutator 113; a motor part having a shaft 116 integral with the rotary member; a pump part 120 connected to the shaft 116 so as to be driven in conjunction with the motor part 110; and a shaft bearing 130 which supports, between the motor part 110 and the pump part 120, the shaft 116. The commutator 113 and the brush 115 are arranged on the opposite side, across the armature 112a, to the pump side where the pump part 120 is arranged, with respect to the axial direction of the shaft 116.</p> |
