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Thermal energy recycling fuel cell arrangement

United States Patent

April 11, 2017
View the Complete Patent at the US Patent & Trademark Office
An example fuel cell arrangement includes a fuel cell stack configured to receive a supply fluid and to provide an exhaust fluid that has more thermal energy than the supply fluid. The arrangement also includes an ejector and a heat exchanger. The ejector is configured to direct at least some of the exhaust fluid into the supply fluid. The heat exchanger is configured to increase thermal energy in the supply fluid using at least some of the exhaust fluid that was not directed into the supply fluid.
Hanrahan; Paul R. (Farmington, CT)
AUDI AG (Ingolstadt, DE)
13/ 996,081
January 3, 2011
This invention was made with government support under Contract No. DE-NT0003894 awarded by the United States Department of Energy. The Government has certain rights in this invention.