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.
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.