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System and method for determining the net output torque from a waste heat recovery system

United States Patent

9,518,497
December 13, 2016
View the Complete Patent at the US Patent & Trademark Office
The disclosure provides a waste heat recovery system with a system and method for calculation of the net output torque from the waste heat recovery system. The calculation uses inputs from existing pressure and speed sensors to create a virtual pump torque sensor and a virtual expander torque sensor, and uses these sensors to provide an accurate net torque output from the WHR system.
Tricaud; Christophe (Columbus, IN), Ernst; Timothy C. (Columbus, IN), Zigan; James A. (Versailles, IN)
CUMMINS, INC. (Columbus, IN)
14/ 336,710
20150027118
July 21, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under "Recovery Act--System Level Demonstration of Highly Efficient and Clean, Diesel Powered Class 8 Trucks (Supertruck)," Program Award Number DE-EE0003403 awarded by the Department of Energy (DOE). The government has certain rights in the invention.