发明名称 |
Anti-telegraph control circuit for electromagnet coil |
摘要 |
An anti-telegraph circuit for locking out the circuit controlling the flow of direct current in a coil winding of an electromagnetically operated switching device, such as a contactor, from an alternating current source whenever improper control voltages are present which would cause repeated operations of the armature picking up and falling out of its sealed position.
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申请公布号 |
US4344102(A) |
申请公布日期 |
1982.08.10 |
申请号 |
US19800188407 |
申请日期 |
1980.09.18 |
申请人 |
SQUARE D COMPANY |
发明人 |
KAMPF, JULIAN C.;LIBERT, JAMES T.;LEMKE, WINFRED R. |
分类号 |
H01H47/32;(IPC1-7):F16K17/36 |
主分类号 |
H01H47/32 |
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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