ENGINE AIR SUPPLY SYSTEM Russian patent published in 2004 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: invention makes it possible to improve reliability of engine and increase its power output, guaranteed service life of air cleaner owing to rational coordination of geometric sizes of structures. Proposed engine air supply system contains air supply port with louvers, two-stage cleaner with cover, outlet branch pipe and dust trap, engine with blower, intake and exhaust manifold, pipes to suck dust out of dust trap of air cleaner, air cleaner restriction indicator, cyclone device with flaps and screens made up of cyclones with outlet branch pipes. Air cleaner is furnished with additional flaps installed on cover from sides of engine and cooling system fan, and cross section area of air supply port is equal to 0.65-0.75 of summary cross section area of inlet branch pipes of cyclone device. EFFECT: improved reliability in operation. 3 cl, 3 dwg