发明名称 Piezoelectric transducer and downhole tool for measuring fluid properties
摘要 A transducer includes a preload adapter having a sleeve portion and an end and a housing including a seating portion and a shaft portion that extends from the seating portion. The transducer also includes a piezoelectric element contained at least partially within a chamber that is at least partially defined by the sleeve portion and shaft portion and a diaphragm coupled to an external side of the end such that motion of the piezoelectric element causes motion of the diaphragm.
申请公布号 GB201314190(D0) 申请公布日期 2013.09.25
申请号 GB20130014190 申请日期 2012.03.16
申请人 BAKER HUGHES INCORPORATED 发明人
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