发明名称 Check valve for a self-priming pump
摘要 A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.
申请公布号 US7784489(B2) 申请公布日期 2010.08.31
申请号 US20060501478 申请日期 2006.08.09
申请人 ENVIROTECH PUMPSYSTEMS, INC. 发明人 PAULIN GREG;SHAW JAMES G.;HARMON JAMES C.;NORTHRUP JAMES
分类号 F16K15/03 主分类号 F16K15/03
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