Method and device for determining the sulphur content in an exhaust gas channel of a motor vehicle in relation to the supplied fuel

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United States of America Patent

PATENT NO 12203398
APP PUB NO 20230140536A1
SERIAL NO

17907863

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Abstract

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Various embodiments of the teachings herein include methods for determining the sulfur content in an exhaust tract of a motor vehicle. The method may include: determining a change in the nitrogen oxide abatement efficiency of a coated particulate filter arranged in the exhaust tract and/or a determined ammonia storage capacity change of a coated particulate filter arranged in the exhaust tract; comparing the determined change to a threshold value; identifying an excessive sulfur content if the comparison shows that the determined change exceeds the threshold value; and undertaking one or more corrective actions in response to identifying an excessive sulfur content.

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Patent Owner(s)

Patent OwnerAddress
VITESCO TECHNOLOGIES GMBHSIEMENSSTRASSE 12 REGENSBURG 93055

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zhang, Hong Munich, DE 882 11808

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