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Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid

United States Patent

February 7, 2006
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 system of a fuel cell bottoming an internal combustion engine. The engine exhaust gas may be combined in varying degrees with air and fed as input to a fuel cell. Reformer and oxidizers may be combined with heat exchangers to accommodate rich and lean burn conditions in the engine in peaking and base load conditions without producing high concentrations of harmful emissions.
Geisbrecht; Rodney A. (New Alexandria, PA), Holcombe; Norman T. (McMurray, PA)
The United States of America as represented by the United States Department of Energy (Washington, DC), N/A (
10/ 225,722
August 21, 2002
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant the employer-employee relationship of the Government to the inventors as U.S. Department of Energy employees at the National Energy Technology Laboratory.