Active sound absorbers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9206717
APP PUB NO 20130092471A1
SERIAL NO

13649597

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to an active sound absorber (3) for an exhaust system (1) of an internal combustion engine, preferably of a motor vehicle, comprising a housing (7), a connecting pipe (8) for the acoustic and fluidic connecting of the housing (7) with the exhaust system (1), an active membrane (10) which in the housing (7) separates a front volume (12), fluidically connected with the connecting pipe (8), from a back volume (13), and an actuator (11) for vibration stimulation of the active membrane (10).

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Patent Owner(s)

Patent OwnerAddress
PUREM GMBH FORMERLY EBERSPÄCHER EXHAUST TECHNOLOGY GMBHHOMBURGER STRASSE 95 NEUNKIRCHEN 66539

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krüger, Jan Neuhausen, DE 14 79
Nicolai, Manfred Esslingen, DE 10 62
Pommerer, Michael Uhingen, DE 10 88
Wirth, Georg Kirchheim/Teck, DE 56 700

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