Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1989-09-29
1991-04-09
Kalafut, Stephen J.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 24, 429 19, H01M 804
Patent
active
050064258
ABSTRACT:
A method and an apparatus for controlling the temperature of a reforming reaction catalyst in which a reforming gas to be supplied to a fuel cell is produced by allowing it to react against a catalyst so that the fuel cell can provide output power to be supplied to a load. The present temperature for the reforming reaction catalyst may be modified in response to any variations in the load condition so that the amount of the combustion air output from the reforming burner can be reduced. The temperature control sequence for the reforming reaction catalyst may be performed near to the equilibrium point of the endothermic reaction following the catalytic reaction, thereby minimizing any variation that may occur in the catalyst temperature, and protecting the catalyst against its degradation. The temperature control sequence may be triggered at the time when the catalyst temperature has reached within the temperature setting range, thereby ensuring that the temperature control sequence can proceed stably and reliably.
REFERENCES:
patent: 3432356 (1969-03-01), Christianson
patent: 3539397 (1970-11-01), Keating et al.
patent: 4904548 (1990-02-01), Tajima
Fuji Electric & Co., Ltd.
Kalafut Stephen J.
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