发明名称 acoplamento hidráulico submarino com proteção interna para orifìcio de escoamento
摘要 <p>An undersea hydraulic coupling member is disclosed having angled flow ports to prevent ingress of debris into the hydraulic lines. A port guard attached to the valve actuator closes the flow ports unless the poppet valve is opened by mutual engagement with the opposing coupling member.</p>
申请公布号 BR0102316(B1) 申请公布日期 2011.05.03
申请号 BR20010102316 申请日期 2001.06.08
申请人 发明人 ROBERT E. SMITH III
分类号 E21B17/00;F16L29/04 主分类号 E21B17/00
代理机构 代理人
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