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Segmented heat exchanger

United States Patent

7,849,692
December 14, 2010
View the Complete Patent at the US Patent & Trademark Office
A segmented heat exchanger system for transferring heat energy from an exhaust fluid to a working fluid. The heat exchanger system may include a first heat exchanger for receiving incoming working fluid and the exhaust fluid. The working fluid and exhaust fluid may travel through at least a portion of the first heat exchanger in a parallel flow configuration. In addition, the heat exchanger system may include a second heat exchanger for receiving working fluid from the first heat exchanger and exhaust fluid from a third heat exchanger. The working fluid and exhaust fluid may travel through at least a portion of the second heat exchanger in a counter flow configuration. Furthermore, the heat exchanger system may include a third heat exchanger for receiving working fluid from the second heat exchanger and exhaust fluid from the first heat exchanger. The working fluid and exhaust fluid may travel through at least a portion of the third heat exchanger in a parallel flow configuration.
Baldwin; Darryl Dean (Lafayette, IN), Willi; Martin Leo (Dunlap, IL), Fiveland; Scott Byron (Metamara, IL), Timmons; Kristine Ann (Chillicothe, IL)
Caterpillar Inc (Peoria, IL)
11/ 495,657
20080022684
July 31, 2006
U.S. GOVERNMENT RIGHTS This invention was made with government support under the terms of DE-FC26-01CH11079 awarded by the Department of Energy. The government may have certain rights in this invention.