VARIABLE AREA FUEL CELL COOLING

A cooling module (42) for a fuel cell arrangement (10) having cooling fluid flow passages (44) which vary in surface area from the inlet to the outlet of the passages. A smaller surface area is provided at the passage inlet, which increases toward the passage outlet, so as to provide more uniform co...

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Bibliographische Detailangaben
1. Verfasser:	KOTHMANN, RICHARD EDWARD
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ELECTRICITY HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY WEAPONS
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Beschreibung
Zusammenfassung:	A cooling module (42) for a fuel cell arrangement (10) having cooling fluid flow passages (44) which vary in surface area from the inlet to the outlet of the passages. A smaller surface area is provided at the passage inlet, which increases toward the passage outlet, so as to provide more uniform cooling of the entire fuel cell. The cooling passages (44), can also be spaced from one another in an uneven fashion. The ability to provide more uniform cell temperature and consequently to increase the cell temperature for a given maximum level means a reduction in the effect of carbon monoxide poisoning. Also, a reduction in air flow reduces the power required to circulate cooling air stream.