发明名称 Multi-stage filter
摘要 The present invention provides a convenient way to filter water in a body of water. The invention combines an encloseable container with an internal pump producing cyclonic action, with two different types of filters. One type of filtering consists of layers of varied porosity, one layer filtering only very fine debris, while the other layers blocking progressively large debris. The other type of filtering involves stacked discs placed to aid in further filtering of the water in the chamber of the cylinder. Water flows around the bottom disc, through holes in the second disc, and around the third disc before approaching the stacked filters of varied porosity. An internal ultra-violet light helps control algae in the water.
申请公布号 US2003010694(A1) 申请公布日期 2003.01.16
申请号 US20010903015 申请日期 2001.07.11
申请人 HOLT ANDREW J. 发明人 HOLT ANDREW J.
分类号 B01D29/01;B01D35/18;C02F1/00;C02F1/32;C02F9/00;(IPC1-7):B01D25/00 主分类号 B01D29/01
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