A shuttle valve useful in connection with operation of underwater blowout preventers employs soft seals sealing an annulus between an inlet bore and the outer periphery of the shuttle to provide hydraulic function control from a high pressure low flow supply source such as a low volume positive displacement pump on a remotely operated vehicle without losing opposing inlet sealing and hydraulic fluid dump the opposing inlet during a return stroke of the pump.
申请公布号
US2010154896(A1)
申请公布日期
2010.06.24
申请号
US20090653707
申请日期
2009.12.17
申请人
DTL ENGINEERING AND DESIGN, L.P.
发明人
THRASH, JR. THOMAS BENJAMIN;THRASH PATRICIA;MATTEUCCI BRIAN FRANK