发明名称 PRESSURE ENERGIZED RADIAL SEAL.
摘要 <p>A seal assembly disposed within a radial seal groove to sealingly engage a bonnet within a bore. The seal assembly includes a radial seal surface, an axial seal surface, a vent surface, and an axial preload surface. The seal assembly is thrust towards a longitudinal wall and away from a radial wall of the radial seal groove when pressure in a high-pressure zone increases.</p>
申请公布号 MX2009000766(A) 申请公布日期 2009.06.26
申请号 MX20090000766 申请日期 2007.07.12
申请人 HYDRIL USA MANUFACTURING, LLC 发明人 MICHAEL WAYNE BERCKENHOFF
分类号 E21B33/00 主分类号 E21B33/00
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