发明名称 Pressure operated valve
摘要 In the disclosed pressure operated valve, a sleeve valve controlling flow between outside and inside the valve is releasably connected in a housing when the sleeve valve is in open position. Pressure on a ball sealingly engaging the sleeve valve operates the sleeve valve from open to latched closed to disconnect positions and expends the sleeve valve from the housing.
申请公布号 US5181569(A) 申请公布日期 1993.01.26
申请号 US19920856185 申请日期 1992.03.23
申请人 OTIS ENGINEERING CORPORATION 发明人 MCCOY, BRIAN K.;STAMBAUGH, TOMMY L.
分类号 E21B34/06;E21B34/14 主分类号 E21B34/06
代理机构 代理人
主权项
地址