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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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