Co-flow anode/cathode supply heat exchanger for a...

Details Co-flow anode/cathode supply heat exchanger for a... Co-flow anode/cathode supply heat exchanger for a...

2005-11-22

2005-11-22

Dove, Tracy (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S010000, C429S006000, C429S006000, C429S006000, C429S006000, C180S065100

Reexamination Certificate

active

06967064

ABSTRACT:
In a solid-oxide fuel cell assembly, a co-flow heat exchanger is provided in the flow paths of the reformate gas and the cathode air ahead of the fuel cell stack, the reformate gas being on one side of the exchanger and the cathode air being on the other. The reformate gas is at a substantially higher temperature than is desired in the stack, and the cathode gas is substantially cooler than desired. In the co-flow heat exchanger, the temperatures of the reformate and cathode streams converge to nearly the same temperature at the outlet of the exchanger. Preferably, the heat exchanger is formed within an integrated component manifold (ICM) for a solid-oxide fuel cell assembly.

REFERENCES:
patent: 5413879 (1995-05-01), Domeracki et al.
patent: 5928805 (1999-07-01), Singh et al.
patent: 5968680 (1999-10-01), Wolfe et al.
patent: 6361891 (2002-03-01), Breault et al.
patent: 6365290 (2002-04-01), Ghezel-Ayagh et al.
patent: 6475652 (2002-11-01), Grasso et al.

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