发明名称 Automatic Release Valve for a 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 US2016222758(A1) 申请公布日期 2016.08.04
申请号 US201615015411 申请日期 2016.02.04
申请人 Flowco Production Solutions 发明人 Boyd Garrett S.;Boyd Mitchell A.
分类号 E21B34/06 主分类号 E21B34/06
代理机构 代理人
主权项 1. An automatic release valve assembly for a bumper spring, comprising: a hollow cylindrical valve seat sleeve having a head end and a tail end with a valve seat formed at the head end and a sleeve portion formed at the tail end of the valve seat sleeve; a valve ball sized to engage by contact with the valve seat; a multiple coil spring disposed over the sleeve portion of the valve seat sleeve; and a cylindrical housing formed with a bore therethrough for enclosing the assembly of the valve seat sleeve, the valve ball, and the multiple coil spring; wherein the housing includes a region of a plurality of parallel, elongated and interleaved grooves and ridges formed within; and wherein the housing further includes first and second threaded ends thereof for engaging connecting threads respectively of a bumper spring cage and a bumper spring hold down.
地址 Spring TX US