Preventing catalyst damage during misfire event

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8646252
APP PUB NO 20110167797A1
SERIAL NO

12684393

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Abstract

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A control system includes a temperature determination module and a catalyst protection module. The temperature determination module determines a temperature of exhaust gas based on a resistance of a heating element of an oxygen sensor. The catalyst protection module adjusts an operating parameter of an engine to decrease the temperature of the exhaust gas when the temperature of the exhaust gas is greater than a threshold temperature. The threshold temperature is based on a temperature that damages a catalyst in an exhaust system.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baur, Andrew W Flushing, US 15 312
Gibson, Bradley Swartz Creek, US 7 75

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