发明名称 DIATOMACEOUS EARTH FILTER APPARATUS AND METHOD
摘要 <p>The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments of the apparatus can include a backwash sprayer to disturb contaminants during the backwash process. Some embodiments of the apparatus can include a removable lid to access the filter cartridges during the washdown process.</p>
申请公布号 WO2008063159(A2) 申请公布日期 2008.05.29
申请号 WO2006US42465 申请日期 2006.10.31
申请人 PENTAIR WATER POOL AND SPA, INC.;SWINDELL, ROBERT, FRANK;RICHIUSO, LEONARD;COX, BRIAN, EVERETT 发明人 SWINDELL, ROBERT, FRANK;RICHIUSO, LEONARD;COX, BRIAN, EVERETT
分类号 B01D65/02 主分类号 B01D65/02
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