发明名称 |
Method And Apparatus For Moving Material |
摘要 |
An apparatus and method for providing ground fault protection to a lifting device utilizing an electromagnet and powered by a generator. The apparatus and method rectifies an AC voltage emanating from the generator source and monitors unsafe operating conditions of the generator's circuit wherein operation of the lifting device is ceased when predetermined electrical operating parameters are exceeded.
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申请公布号 |
US2013083435(A1) |
申请公布日期 |
2013.04.04 |
申请号 |
US201213682095 |
申请日期 |
2012.11.20 |
申请人 |
EPHAUGH, INC.;EPHAUGH, INC. |
发明人 |
SAMILA JOHN |
分类号 |
H02H9/08;G01R31/02 |
主分类号 |
H02H9/08 |
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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