Method of simultaneously indexing permanent and di

专利名称：Method of simultaneously indexing

permanent and disposable filter media in avacuum filter apparatus

发明人：Jack R. Bratten申请号：US08/535546申请日：19950928公开号：US05624579A公开日：19970429

摘要：A filter apparatus for removing solids from a liquid in which chain conveyorloops frictionally engage a segment of a continuous permanent filter media beltextending across the bottom of a tank over a perforate section through which liquid iswithdrawn to be filtered. The chain conveyor loops and permanent filter media followdivergent paths after exiting the tank, the chain loops returning over the top of the tank,the permanent filter media belt returning beneath the tank to a point of entrance at thetop of a rear tank wall. A disposable media belt is optionally introduced at the point thepermanent media belt and chain conveyor loops reconverge at the entrance point of thetank at the rear wall. The chain conveyor loops are indexed periodically and frictionallyengage the permanent media belt (and disposable media, if used) in the segmentextending across the tank bottom to cause the belt media to likewise be indexed.

申请人：BRATTEN; JACK R.

代理人：John R. Benefiel

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