发明名称 |
MOTOR |
摘要 |
A labyrinth ring having a section of L-shape is radially, inwardly and integrally projected from the inner periphery of a brush holder stay of a motor. This labyrinth ring provides a labyrinth construction in a space portion extending from brushes and a ball and roller bearing in cooperation with the brush holder stay, a commutator, a bearing holder and a distance ring. The thickness of this labyrinth ring is determined to be so thin as to increase the volume of a carbon accumulating space portion formed between the bearing holder and itself as large as possible.
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申请公布号 |
US5132580(A) |
申请公布日期 |
1992.07.21 |
申请号 |
US19910728518 |
申请日期 |
1991.07.11 |
申请人 |
MITSUBA ELECTRIC MANUFACTURING CO., LTD. |
发明人 |
AOKI, SUSUMU;ONODERA, TSUGIO |
分类号 |
F16C33/80;H02K5/124;H02K5/14;H02K5/173 |
主分类号 |
F16C33/80 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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