Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1999-07-06
2000-12-12
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 23, 429 13, 429 24, 429 12, H01M 804
Patent
active
061596264
ABSTRACT:
A method of controlling the operation of a fuel cell system wherein each shutdown command for the system is subjected to decision logic which determines whether the command should be a normal shutdown command or rapid shutdown command. If the logic determines that the shutdown command should be a normal shutdown command, then the system is shutdown in a normal step-by-step process in which the hydrogen stream is consumed within the system. If the logic determines that the shutdown command should be a rapid shutdown command, the hydrogen stream is removed from the system either by dumping to atmosphere or routing to storage.
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Clingerman Bruce J.
Doan Tien M.
Keskula Donald H.
Alejandro Raymond
General Motors Corporation
Kalafut Stephen
Simon Anthony Luke
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