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System and method for regulating EGR cooling using a rankine cycle

United States Patent

December 22, 2015
View the Complete Patent at the US Patent & Trademark Office
This disclosure relates to a waste heat recovery (WHR) system and method for regulating exhaust gas recirculation (EGR) cooling, and more particularly, to a Rankine cycle WHR system and method, including a recuperator bypass arrangement to regulate EGR exhaust gas cooling for engine efficiency improvement and thermal management. This disclosure describes other unique bypass arrangements for increased flexibility in the ability to regulate EGR exhaust gas cooling.
Ernst; Timothy C. (Columbus, IN), Morris; Dave (Columbus, IN)
13/ 336,945
December 23, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under "Exhaust Energy Recovery," contract number DE-FC26-05NT42419 awarded by the Department of Energy (DOE). The government has certain rights in the invention.