SULFUR DETECTION ROUTINE
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United States of America Patent
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N/A
Issued Date -
Jun 23, 2011
app pub date -
Dec 22, 2009
filing date -
Dec 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power system comprising an engine that produces exhaust, an aftertreatment system that treats the exhaust and includes a particulate filter that traps soot from the engine, and a controller configured to perform a sulfur detection routine that conducts a pre-regeneration calibration to achieve a temperature in the aftertreatment system of between 200 and 400 degrees Celsius and following the pre-regeneration calibration conducts a sulfur removal calibration to achieve a temperature in the aftertreatment system of between 300 and 500 degrees Celsius.
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