Method for regenerating a particle filter

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United States of America Patent

PATENT NO 11028745
APP PUB NO 20190309669A1
SERIAL NO

16322221

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Abstract

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The invention relates to a method for regenerating a particle filter in an exhaust system of an internal combustion engine, comprising at least the following steps: a) performing a first regeneration of the particle filter until a lower threshold value of a particle load of the particle filter is reached; b) performing a verification measurement, wherein the internal combustion engine is operated at a first operating point such that an exhaust gas having at least—an excess of oxygen or—an elevated first temperature is provided upstream of the particle filter; wherein, if an increase of a second temperature is detected downstream of the particle filter during or after step b), c) a second regeneration of the particle filter is initiated.

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Patent Owner(s)

  • VOLKSWAGEN AKTIENGESELLSCHAFT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zink, Florian Bad Rappenau, DE 12 21

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