Fuel cell stack flow diversion

Details Fuel cell stack flow diversion Fuel cell stack flow diversion

2007-08-16

2011-11-15

Maples, John S (Department: 1728)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for control of operation

C429S444000, C180S065310

Reexamination Certificate

active

08057949

ABSTRACT:
A fuel cell system has a compressor delivering compressed gas to a fuel cell stack and a control valve affecting the flow of compressed gas. A load dump condition is determined for the fuel cell stack. The flow through the compressor is increased and the additional flow diverted away from the fuel cell stack by the control valve to provide additional load for the fuel cell stack. The fuel cell stack may then be operated at a higher output power for the purpose of generating more waste heat to more rapidly warm itself.

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Fluid Mechanics and Thermodynamics of Turbomachinery, 4th Edition in SI/Metric Units, S.L. Dixon, B. Eng., Ph.D. 1998.

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