SELF-CLEANING WATER FILTER Russian patent published in 1995 - IPC

FIELD: liquid cleaning technology. SUBSTANCE: self-cleaning water filter has casing with inlet and outlet connections, filter cartridges secured to the upper and lower partitions, and means for alternate disconnection of cartridges for reclaiming made in the form of a cam, with drive engageable with spring-loaded rods located inside the cartridges and furnished with valves rigidly secured on them, installed at the end surfaces of cartridges; the lower part of the wall of each cartridge, positioned for longitudinal strain, is furnished with a corrugated insert having a base ring, whose upper part is engageable with radial pins installed on the rod, the walls of these cartridges are made of flexible-elastic material enclosed between coil cylindrical springs. EFFECT: improved design. 3 dwg