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Controlling exhaust gas recirculation

United States Patent

January 31, 2012
View the Complete Patent at the US Patent & Trademark Office
In controlling an engine, an amount of an intake charge provided, during operation of the engine, to a combustion chamber of the engine is determined. The intake charge includes an air component, a fuel component and a diluent component. An amount of the air component of the intake charge is determined. An amount of the diluent component of the intake charge is determined utilizing the amount of the intake charge, the amount of the air component and, in some instances, the amount of the fuel component. An amount of a diluent supplied to the intake charge is adjusted based at least in part on the determined amount of diluent component of the intake charge.
Zurlo; James Richard (Madison, WI), Konkle; Kevin Paul (West Bend, WI), May; Andrew (Milwaukee, WI)
Dresser, Inc. (Addison, TX)
12/ 415,026
March 31, 2009
The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of DE-FC26-01CH11080 awarded by the Department of Energy.