LIQUID CLEANING FILTER Russian patent published in 2001 - IPC

FIELD: cleaning liquids, oils in particular by filtration. SUBSTANCE: filter includes housing with inlet hole, cover with outlet hole which is fixed on housing and corrugated filter element whose one end is fixed on cover and other end is fixed in base. Inner surface of base has form of corrugations of filter element and outer surface is circular in shape. Filter element is provided with stiffening members rigidly connected with respective corrugations; each of them is fixed with cover at one end and with base at other end; cover includes upper ring and lower filtering circle rigidly connected with it; outer diameters correspond to outer diameter of base. EFFECT: enhanced tightness and operational reliability of filter. 5 dwg