EXHAUST GASES MUFFLER OF INTERNAL COMBUSTION ENGINE

摘要

An exhaust muffler mainly for internal combustion engine to be installed at the outlet of the exhaust pipe. The muffler comprises a chamber (1) with an inlet pipe (2) for the entry of gases from the engine, an acoustic damper (3) residing within the chamber (1), a housing surrounding the chamber (1) and an outlet pipe (9) for releasing the gases to the atmosphere. The chamber walls and the damper (3) are provided with perforations (6) and the housing is located with respect to the chamber (1) in such a manner that it overlaps the perforated region of the chamber (1). The muffler is useful also in other fields as well where it is required to suppress noise or sparks, for example for use with artillery guns.