发明名称 |
Electric motor with tachometer signal generator |
摘要 |
A permanent magnet electric motor including a rotor having an annular arrangement of field magnets for rotation around an axis relative to a stator. An annular FG magnet arrangement affixed to an end of the rotor cooperates with an adjacent FG coil to produce a signal indicative of the rotor speed. A shunt washer of magnetically permeable material is interposed between the field magnet arrangement and the FG magnet arrangement.
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申请公布号 |
US5717268(A) |
申请公布日期 |
1998.02.10 |
申请号 |
US19960664486 |
申请日期 |
1996.06.17 |
申请人 |
PHILIPS ELECTRONICS NORTH AMERICA CORP. |
发明人 |
CARRIER, MARK EMERY;LACHANCE, RAYMOND HENRY |
分类号 |
G01P3/487;H02K11/00;H02K29/00;(IPC1-7):H02K11/00;H02K3/00 |
主分类号 |
G01P3/487 |
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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