FILTER FOR CLEANING LIQUID AND METHOD OF CLEANING THE FILTER Russian patent published in 1999 - IPC

FIELD: filters flushed by liquid being filtered. SUBSTANCE: filter has housing with filter elements mounted inside it in form of permeable wall coated by soft filtering cloth forming circular passage, tube disks for securing the filter elements which divide housing into starting fluid, filtrate and sediment collecting chambers; flushing the filter is effected through forming the return flow of filtrate which causes wavy deformation of filtering cloth between levels of liquid in filtrate chamber and evacuated circular passage. EFFECT: improved quality of filtration; increased throughput of filter; simplified construction and enhanced reliability of filter. 3 cl, 7 dwg