Air duct of an internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11828253
SERIAL NO

17401032

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An air duct of an internal combustion engine has an inner pipe providing a flow channel and a housing with a first housing part and a second housing part, wherein the inner pipe is arranged in the housing. The first housing part and the second housing part enclose a chamber between the inner pipe and the housing. The inner pipe has at least one section with perforations in a wall of the inner pipe, wherein the perforations completely penetrate the wall of the inner pipe. A cylindrical acoustic component at least partially encloses the at least one section of the inner pipe at an outer side of the inner pipe. A wall of the cylindrical acoustic component is provided, at least in sections thereof, with continuous openings. The flow channel is acoustically connected via the perforations and via the continuous openings to the chamber.

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Patent Owner(s)

Patent OwnerAddress
MANN+HUMMEL GMBHSCHWIEBERDINGER STR 126 LUDWIGSBURG 71636

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dietz, Ralf Remseck, DE 10 42
Link, Andreas Mundelsheim, DE 16 137
Metzger, Michael Waiblingen, DE 73 367

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