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Passive vapor exchange systems and techniques for fuel reforming and prevention of carbon fouling

United States Patent Application

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A solid oxide fuel cell system 20 operates on a hydrocarbon fuel and includes a solid oxide fuel cell 30, a fuel reformer 30 and a humidifier 26. The humidifier passively transfers water from a exhaust stream 35 of the solid oxide fuel cell to an inlet stream 27 to the fuel reformer 30.
Singh, Prabhakar (Richland, WA), Williford, Ralph E. (Kennewick, WA), Hatchell, Brian K. (W. Richland, WA)
10/ 636,394
August 7, 2003
[0002] This invention was made with Government support under Contract Number DE-AC06-76RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.