Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1990-10-05
1992-10-20
Bell, Mark L.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 22, 429 61, H01M 804
Patent
active
051569280
ABSTRACT:
A protective apparatus and method for a fuel cell comprising a switching device connected to the output of the fuel cell, a device for detecting the output voltage of the fuel cell, a device for setting a reference voltage, a comparator for comparing the detected output voltage of the fuel cell with the reference voltage, and a device for opening the switching device when the detected output voltage of the fuel cell drops below the reference voltage.
REFERENCES:
patent: 3745047 (1973-07-01), Fancuillo et al.
patent: 3850695 (1974-11-01), Keller et al.
patent: 4424491 (1984-01-01), Bobbett et al.
patent: 4677037 (1987-06-01), Takabayaski
Bell Mark L.
Fuji Electric & Co., Ltd.
Jones Deborah
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