An acoustic attenuator for damping pressure vibrations in an exhaust system of an engine, an acoustic attenuation system using the attenuators, and method of damping pressure vibrations in an exhaust system of an engine

Esa Nousiainen (Inventor), Jukka Tanttari (Inventor)

Research output: PatentPatent application

Abstract

Source: US2018149052A An acoustic attenuator for damping pressure vibrations in an exhaust system of an engine, the acoustic attenuator having a body which is provided with a gas inlet and a gas outlet at opposite ends thereof, and a gas passage duct arranged between the inlet and the outlet inside the body, where in the body encloses a first resonator chamber and a second resonator chamber. The body is provided with a common inlet communicating with the first and the second resonator chambers, and the resonator chambers are arranged to extend from the common inlet towards the opposite ends of the body.
Original languageEnglish
Patent numberUS 2018/0149052 A1
Priority date25/05/15
Filing date25/05/15
Publication statusPublished - 31 May 2018
MoE publication typeNot Eligible

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