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Cover and startup gas supply system for solid oxide fuel cell generator

United States Patent

5,928,805
July 27, 1999
View the Complete Patent at the US Patent & Trademark Office
A cover and startup gas supply system for a solid oxide fuel cell power generator is disclosed. Hydrocarbon fuel, such as natural gas or diesel fuel, and oxygen-containing gas are supplied to a burner. Combustion gas exiting the burner is cooled prior to delivery to the solid oxide fuel cell. The system mixes the combusted hydrocarbon fuel constituents with hydrogen which is preferably stored in solid form to obtain a non-explosive gas mixture. The system may be used to provide both non-explosive cover gas and hydrogen-rich startup gas to the fuel cell.
Singh; Prabhakar (Export, PA), George; Raymond A. (Pittsburgh, PA)
Siemens Westinghouse Power Corporation (Orlando, FL)
08/ 974,861
November 20, 1997
STATEMENT OF GOVERNMENT INTEREST The Government of the United States of America has certain rights in this invention pursuant to Contract No. DE-FC21-91MC28055 awarded by the United States Department of Energy.