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Dedicated EGR engine with dynamic load control

United States Patent

September 6, 2016
View the Complete Patent at the US Patent & Trademark Office
An internal combustion engine comprises a first engine bank and a second engine bank. A first intake valve is disposed in an intake port of a cylinder of the first engine bank, and is configured for metering the first flow of combustion air by periodically opening and closing according to a first intake valve lift and duration characteristic. A variable valve train control mechanism is configured for affecting the first intake valve lift and duration characteristic. Either a lift or duration of the first intake valve is modulated so as to satisfy an EGR control criterion.
Hayman; Alan W. (Romeo, MI), McAlpine; Robert S. (Lake Orion, MI), Keating; Edward J. (Ortonville, MI)
13/ 937,280
July 9, 2013
FEDERAL RESEARCH STATEMENT This invention was made with U.S Government support under Agreement No. DE-EE0005654, awarded by the Department of Energy. The U.S. Government may have certain rights in this invention.