发明名称 |
Motor air gap bearing arrangement |
摘要 |
In a stepping motor comprising a stator including a plurality of stator plates, and a rotor made of a permanent magnet, a coating layer made of a nonmagnetic material is applied to the stator plates, and the rotor is rotated within the stator plates while the rotor is maintained in a closely adjacent relation contactable with the coating layer of the stator plates.
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申请公布号 |
US4659952(A) |
申请公布日期 |
1987.04.21 |
申请号 |
US19860882285 |
申请日期 |
1986.07.07 |
申请人 |
ALPS ELECTRIC CO., LTD. |
发明人 |
UNJO, NAOKI;FUKE, TAKAMICHI |
分类号 |
H02K3/34;H02K5/167;H02K21/14;H02K37/14;(IPC1-7):H02K7/08;H02K5/16 |
主分类号 |
H02K3/34 |
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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