METHOD AND APPARATUS FOR OPERATING A FUEL CELL IN COMBINATION WITH AN ABSORPTION CHILLER
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United States of America Patent
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Issued Date -
Sep 9, 2010
app pub date -
Mar 30, 2006
filing date -
Mar 30, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A standard phosphoric acid fuel cell power plant (11) has its heat exchanger (29) removed such that a higher temperature coolant flow can be directed from the system to the generator (37) of an absorption chiller (34). In one embodiment, the higher temperature coolant may flow directly from the fuel cell stack (14) to the generator and after passing therethrough, it is routed back to the high temperature coolant loop (27). In another embodiment, the higher temperature coolant is made to transfer some of its heat to a lower temperature coolant and the lower temperature coolant is then made to flow directly to the generator and back to the lower temperature coolant loop (22). In the first embodiment, either a double effect absorption chiller or a single effect absorption chiller is used, while in the second embodiment a single effect absorption chiller is used.
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