发明名称 APPARATUS AND METHOD FOR FLUID FLOW CONTROL
摘要 <p>The present invention provides an apparatus and method for controlling the flow of fluids through a conveyance with a hydraulic valve including a flexible portion. The flexible portion is positioned in the conveyance so that fluid enters the membrane from an upper containment space and the expansion of the flexible portion causes the valve to restrict or block the flow of fluid being controlled through the conveyance.</p>
申请公布号 EP1620770(A4) 申请公布日期 2007.04.04
申请号 EP20040706449 申请日期 2004.01.29
申请人 WWETCO, LLC 发明人 BONER, MARK, C.;GURNEY, PAULA, K.
分类号 G05D9/02;E02B7/00;E03F7/02;F16K7/12;G05D7/01 主分类号 G05D9/02
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