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Method and apparatus for controlling combustor temperature during transient load changes

United States Patent

July 9, 2002
View the Complete Patent at the US Patent & Trademark Office
A method and apparatus for controlling the temperature of a combustor in a fuel cell apparatus includes a fast acting air bypass valve connected in parallel with an air inlet to the combustor. A predetermined excess quantity of air is supplied from an air source to a series connected fuel cell and combustor. The predetermined excess quantity of air is provided in a sufficient amount to control the temperature of the combustor during start-up of the fuel processor when the load on the fuel cell is zero and to accommodate any temperature transients during operation of the fuel cell.
Clingerman; Bruce J. (Palmyra, NY), Chalfant; Robert W. (West Henrietta, NY)
General Motors Corporation (Detroit, MI)
09/ 502,725
February 11, 2000
GOVERNMENT SUPPORT The Government of the United States of America has right in this invention pursuant to Agreement No. DE-AC02-90CH10435 awarded by the U.S. Department of Energy.