Heat exchanger

Details Heat exchanger Heat exchanger

2006-07-04

2006-07-04

Duong, Tho (Department: 3753)

Heat exchange

Flow passages for two confined fluids

C165S165000, C165S166000

Reexamination Certificate

active

07069981

ABSTRACT:
A heat exchanger (50) is provided for transferring heat between first and second fluids (52) and (54) having a maximum operating mass flow rate through the heat exchanger (50) and mass flow rates that are substantially proportional to each other. The heat exchanger (50) provides essentially constant outlet temperatures for the first and second fluids (52,54) for all of the flow rates within the operating spectrum of the heat exchanger (50) without the use of an active control system. The heat exchanger (50) is of particular use in the fuel processing system (36) of proton exchange membrane type fuel cell systems.

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