Compact air preheater for solid oxide fuel cell systems
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United States of America Patent
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Nov 1, 2011
Grant Date -
Jan 24, 2008
app pub date -
Jul 16, 2007
filing date -
Jul 20, 2006
priority date (Note) -
Expired
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Abstract
The present invention provides, among other things, a method of operating a solid oxide fuel cell system including a fuel cell stack. The method can include the acts of combining an exhaust flow from an anode side of the fuel cell stack and an exhaust flow from a cathode side of the fuel cell stack, transferring heat from the combined exhaust flow to a first air flow, and combining a second air flow and the heated first air flow upstream from the fuel cell stack to control a temperature of the combined air flow entering the cathode side of the solid oxide fuel cell.
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