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Recuperated atmospheric SOFC/gas turbine hybrid cycle

United States Patent

May 4, 2010
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A method of operating an atmospheric-pressure solid oxide fuel cell generator (6) in combination with a gas turbine comprising a compressor (1) and expander (2) where an inlet oxidant (20) is passed through the compressor (1) and exits as a first stream (60) and a second stream (62) the first stream passing through a flow control valve (56) to control flow and then through a heat exchanger (54) followed by mixing with the second stream (62) where the mixed streams are passed through a combustor (8) and expander (2) and the first heat exchanger for temperature control before entry into the solid oxide fuel cell generator (6), which generator (6) is also supplied with fuel (40).
Lundberg; Wayne (Pittsburgh, PA)
Siemens Energy, Inc. (Orlando, FL)
10/ 992,182
November 18, 2004
GOVERNMENT CONTRACT The Government of the United States of America has rights in this invention pursuant to Contract No. DE-FC 26-97FT34139, awarded by the U.S. Department of Energy.