AIR CLEANER OF INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: mechanical engineering; engine intake systems and air cleaners. SUBSTANCE: air cleaner has housing 2, cover 4, air inlet hole 3, air outlet hole 4, filtering member 6 placed between inlet and outlet holes and forming zones of non-cleaned and cleaned air, adsorbing member 12 located in cleaned air zone and accommodated in axial direction. One end of pipe 26 closes part of holes 14 in case, and its other end is connected in turn either with outlet hole 5 or with air space of cleaned air zone. EFFECT: improved quality of air cleaning. 4 cl, 3 dwg, 1 tbl