发明名称 DOWNHOLE PRESSURE TRANSMITTER
摘要 A downhole pressure transmitter apparatus and method of making the same. A pressure fitting can be provided in association with a tube formed into a spiral shape. One end of said tube is sealed and the other end of said tube is affixed to said pressure fitting. As the tube is exposed to a differential pressure, said tu be unwinds, thereby creating a rotary motion that is proportional and linear to said differential pressure sensor, thereby providing an indication of pressure within a downho le environment.
申请公布号 CA2591386(A1) 申请公布日期 2007.12.13
申请号 CA20072591386 申请日期 2007.06.12
申请人 HONEYWELL INTERNATIONAL INC. 发明人 KOSHT, DANIAL L.;MARINO, MARK G.;WALLING, JOSEPH M.
分类号 E21B47/06;E21B47/12 主分类号 E21B47/06
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