Duct element for the exhaust system of a motor vehicle

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United States of America Patent

PATENT NO 9638358
SERIAL NO

14173887

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Abstract

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A duct element for the exhaust system of a motor vehicle with an internal combustion engine, including at least one flexible duct part, preferably a bellows. The flexible duct part is embodied at least partially from a first type of steel with a Mo-content ≧4% or ≧6% and with a N-content from 0.3% to 0.6% or from 0.18% to 0.25%, preferably embodied from steel of the type 1.4565 or the type 1.4547. Furthermore a decoupling element is provided for motor vehicles with an internal combustion engine and a respective use of steel embodied with a Mo-content ≧4% or ≧6% and a N-content from 0.3% to 0.6% or from 0.18% to 0.25%, preferably steel of the type 1.4565 or 1.4547.

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Patent Owner(s)

Patent OwnerAddress
WITZENMANN GMBHOESTLICHE KARL-FRIEDRICH-STRASSE 134 PFORZHEIM 75175

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leidig, Hans-Jurgen Muhlacker, DE 1 0
Seeger, Bernd Pforzheim, DE 7 58

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