SYSTEMS AND METHODS FOR FILTER REGENERATION WITH CYLINDER DEACTIVATION
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Feb 20, 2024
filing date -
Jun 17, 2022
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Abstract
A system includes an exhaust aftertreatment system including a particulate filter and a controller. The controller is configured to: receive information comprising a temperature regarding a filter of the aftertreatment system; and responsive to determining that the temperature regarding the filter is below a temperature threshold, command the engine to operate according to a first firing fraction. The first firing fraction may define a number of active cylinders of the engine relative to a total number of cylinders of the engine, and correspond to a predetermined temperature value of the filter.
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