发明名称 Wired Pipe Signal Transmission Testing Apparatus and Method
摘要 A wired pipe signal transmission testing apparatus is provided. The apparatus includes a core having a plurality of threads formed on a surface thereof and a plurality of slots cutting through crests and roots of at least a portion of the threads, thereby creating an escape route for debris that may enter in between the threads. The apparatus includes an inductive transducer coupled to the core.
申请公布号 US2010182012(A1) 申请公布日期 2010.07.22
申请号 US20090356630 申请日期 2009.01.21
申请人 HARMON AARON B 发明人 HARMON AARON B.
分类号 G01R31/02 主分类号 G01R31/02
代理机构 代理人
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