发明名称 FAULT INDICATOR AND LOCATOR FOR BURIED CABLES AND ZERO SEQUENCE CURRENT SENSING DEVICE
摘要 An underground cable fault indicator and locater is provided to indicate the location of a fault or short circuit in the cable. The cable is passed through the apertures of a plurality of spaced transformer sensors connected to indicating elements located in below grade vaults or above the ground. Upon the occurrence of a fault in the cable, the indicating elements provide a visual indication of the section of the cable in which the fault has occurred.
申请公布号 US3771049(A) 申请公布日期 1973.11.06
申请号 USD3771049 申请日期 1971.01.05
申请人 DOSSERT MFG CORP,US 发明人 PICCIONE N,US
分类号 G01R31/02;(IPC1-7):G01R31/02;G01R31/08 主分类号 G01R31/02
代理机构 代理人
主权项
地址