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US 8,381,519 B2Granted
Method of stationary regeneration of an engine exhaust particulate filter
AssigneeInternational Engine Intellectual Property Company, LLC
InventorsNishant Singh, Liquan Xu, Jeremy Ventura
Life of this patent
Estimating the term…
Abstract
A method of controlling an engine exhaust temperature and an exhaust mass flow rate for stationary regeneration of an engine exhaust gas particulate filter of an engine. The method implements a feed forward control that sets an EGR valve position and an injection timing associated with the engine, and a sets an engine speed. The method implements a feed back control that sets a turbo waste gate position and an intake throttle position associated with the engine.
Claims8
An electronic control module for an engine comprising:
- a computer readable medium having a table for EGR valve position for diesel particulate filter regeneration based upon an at least one ambient condition, a table for injection timing for diesel particulate filter regeneration based upon at least one ambient conditions, a table for engine speed for diesel particulate filter regeneration based upon at least one ambient condition, a table for a turbo waste gate position for diesel particulate filter regeneration based upon at least one ambient condition, a table for an intake throttle position for diesel particulate filter regeneration based upon at least one ambient condition, a table for the turbo waste gate position for diesel particulate filter regeneration based upon at least one engine exhaust parameter, and a table for the intake throttle position for diesel particulate filter regeneration based upon at least one engine exhaust parameter;
- a processor generating a feed back loop for the turbo waste gate position and a feed back loop for the intake throttle position to control exhaust gas temperature and exhaust mass flow rate for regeneration of the diesel particulate filter, the feed back loops utilizing at least one engine exhaust parameter.
Dependencies are inferred from the claim text.