SILENCER Russian patent published in 1997 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: silencer has the following parts: hollow cylindrical housing; tapered inlet branch pipe with circumferential bell-mouthed end secured onto the first circumferential end of the hollow cylinder; first partition with at least one central hole and with its end face surface fastened to the internal surface of the first end of the hollow cylindrical housing; second partition with at least one central hole, with holes made circumferentially round the central hole and with its end face surface fastened to the internal surface of the second end of the hollow cylindrical housing; at least one internal hollow cylinder mounted and secured by its ends in the central holes of the partitions; perforated disks, segments secured to the internal surface of the second end of the internal hollow cylinder or on the surface of at least one axle passed through the holes of the perforated disks; external tapered outlet branch pipe. EFFECT: effective silencing of exhaust gases of internal combustion engines. 2 dwg