Exhaust noise regulating system for powered engine of vehicle, has shutter and throttle valve pivoting on axis for blocking exhaust pipe, where shutter directs exhaust gas flow towards silencer or direct outlet

摘要

The system includes a shutter and a throttle valve that are placed in an exhaust pipe and pivoted on an axis for blocking the exhaust pipe. The valve and shutter are in cylindrical shape and pivot in a cylindrical casing. The shutter directs exhaust gas flow towards a silencer or a part of the components of the silencer or towards a direct outlet.