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 |
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代理人 |
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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 |