FILTERING MODULE WITH STIFFENING RIBS FOR FINE AIR CLEANER Russian patent published in 1995 - IPC

FIELD: radio- electronics, nuclear, chemical and other industries; production of filters. SUBSTANCE: filtering module is made up of set of connected alternating flat and embossed filtering members with flat edge panels. All walls of air channels in module are made isomorphous according to filtering material structure. Panels on embossed filtering members are arranged in upper and lower planes of hills and hollows, mating parts of filtering members are nondetachably connected to form stiffening ribs of wedge shape pointed with sharp vertex to air inlet and/or outlet side and made of variable density material. Fitted inside stiffening ribs are reinforcement members made of conducting or electret material. Edge panels and end face walls of air channels are impregnated with special fixing material. EFFECT: enlarged operating capabilities. 5 cl, 19 dwg