Highly integrated fuel processor for distributed hydrogen...

Details Highly integrated fuel processor for distributed hydrogen... Highly integrated fuel processor for distributed hydrogen...

2005-02-16

2009-02-24

Griffin, Walter D (Department: 1797)

Gas: heating and illuminating

Apparatus for converting or treating hydrocarbon gas

Reexamination Certificate

active

07494516

ABSTRACT:
A recuperative heat exchanger (36) is provided for use in a fuel processor (20), the heat exchanger (36) transferring heat from a fluid flow (34) at one stage of a fuel processing operation to the fluid flow (32) at another stage of the fuel processing operation. The heat exchanger (36) includes a housing (56) defining first and second axially extending, concentric annular passages in heat transfer relation to each other; a first convoluted fin (70) located in the first passage to direct the fluid flow therethrough; and a second convoluted fin (72) located in the second passage to direct the fluid flow therethrough.

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