Method for reducing the particle emission of an internal combustion engine and engine controller
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United States of America Patent
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Aug 23, 2016
Grant Date -
Oct 8, 2015
app pub date -
Jun 19, 2015
filing date -
Dec 20, 2012
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Abstract
The present invention relates to a method for reducing the particle emissions of an internal combustion engine over its service life. The number of cylinders of the internal combustion engine in which post-injection is carried out is incrementally increased during the service life of the internal combustion engine. The increase in the number of cylinders receiving a post-injection may depend upon at least one parameter, which may be a running time, a distance performance, a particle concentration in exhaust gas, a load profile, or other parameter. The individual cylinders receiving post-injection may be changed to distribute wear.
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