发明名称 |
SPARK MONITOR DEVICE FOR CURRENT COLLECTORS |
摘要 |
<p>A spark monitor device arranged to detect a high frequency noise due to a spark generated in a current collector of a rotary electric machine and monitor a state of spark generation on the basis of the product of a peak value of the high frequency noise exceeding a given set value and a time interval during which the peak value exceeds the set value.</p> |
申请公布号 |
CA1207836(A) |
申请公布日期 |
1986.07.15 |
申请号 |
CA19820406892 |
申请日期 |
1982.07.08 |
申请人 |
HITACHI, LTD. |
发明人 |
TANISAKA, SATOSHI;MICHIGUCHI, YOSHIHIRO |
分类号 |
H02K13/00;G01R19/00;G01R31/34;H02K11/00;(IPC1-7):G01R31/34 |
主分类号 |
H02K13/00 |
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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