发明名称 AUTOMATIC RELEASE VALVE FOR BUMPER SPRING
摘要 An automatic release valve assembly for a bumper spring, comprising a hollow cylindrical valve seat sleeve having a plurality of flow ports and flow passages disposed in the sidewalls thereof; a valve ball sized to engage by contact with a robust valve seat; a multiple coil spring disposed over the sleeve portion of the valve seat sleeve; wherein the valve seat sleeve, ball, and coil spring are enclosed within a hollow cylindrical housing. The housing includes within its bore a central region of a plurality of parallel, elongated and interleaved grooves and ridges to permit released fluid to flow and to stabilize the operation of the valve assembly.
申请公布号 CA2919916(A1) 申请公布日期 2016.08.04
申请号 CA20162919916 申请日期 2016.02.04
申请人 FLOWCO PRODUCTION SOLUTIONS, LLC 发明人 BOYD, GARRETT S.;BOYD, MITCHELL A.
分类号 E21B34/06;E21B34/08 主分类号 E21B34/06
代理机构 代理人
主权项
地址