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2. 发明授权

US08382993B1 Drain filter apparatus and method 有权
标题翻译：排水过滤装置及方法
公开(公告)号：US08382993B1
公开(公告)日：2013-02-26
申请号：US11900075
申请日：2007-09-07
申请人： Dennis E. Wisek , Kenneth T. Duffy, Sr. , Troy W. Livingston
发明人： Dennis E. Wisek , Kenneth T. Duffy, Sr. , Troy W. Livingston
IPC分类号： B01D35/02 , B01D35/16 , E03C1/282 , E03C1/284
CPC分类号： E03C1/26 , Y10T137/4463 , Y10T137/8013 , Y10T137/8049 , Y10T137/8122
摘要： A removable drain filter apparatus (20) with an housing (22) connectable with upstream and downstream drain pipes (40, 46) has a filtering chamber wider than the drain pipes and divided into an upstream portion (78) and a downstream portion (82) by a generally planer filter element (50). A hatch cover (32) carries a downwardly extending central core (76) with an O-ring seal (84), a filter securement member (86) for pressing the filter element (50) against an underlying support ledge (29) and a drain hole plug (88). The location of the O-ring (84) relative to the filter element (50) and the plug (88) being tapered enables the filter housing (22) to be drained of any water during removal of the hatch cover and before the watertight seal is broken to eliminate leakage of drain water out of the housing (22) when the hatch (31) is completely opened. The filter (50) bends out of the way of a plumber's auger (96).
摘要翻译：具有可与上游和下游排泄管（40,46）连接的壳体（22）的可移除的排水过滤装置（20）具有比排水管更宽的过滤室，并分成上游部分（78）和下游部分（82））通过一般的平面过滤元件（50）。舱口盖（32）携带具有O形密封圈（84）的向下延伸的中心芯（76），用于将过滤元件（50）压靠在下面的支撑凸缘（29）上的过滤器固定构件（86）排水孔塞（88）。 O形环（84）相对于过滤器元件（50）和插塞（88）的锥形位置使得过滤器壳体（22）在移除舱口盖期间以及在防水密封之前能够被排出任何水被破坏以在舱口（31）完全打开时消除排出水从壳体（22）中的泄漏。过滤器（50）不适合于水管工的螺旋钻（96）。

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