Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sascha Leng0
Sebastian Hutschenreuther0
Marco Jess0
Date of Patent
May 5, 2009
0Patent Application Number
117089220
Date Filed
February 21, 2007
0Patent Primary Examiner
Patent abstract
The present invention relates to a muffler for an exhaust system of an internal combustion engine, including a housing having at least one absorption chamber which is filled with an absorbent material that has an absorbent effect for airborne sound, a straight-through pipe that carries exhaust gas during operation of the muffler and passes through the housing, and at least one blind pipe that is connected at one end laterally to the straight-through pipe and is sealed at the other end. The blind pipe has a wall that is acoustically transmissive for airborne sound in an area running in the absorption chamber.
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