Automatic voltage imbalance detector
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United States of America Patent
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-
Jan 3, 1984
Grant Date -
N/A
app pub date -
May 20, 1981
filing date -
May 20, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for indicating and preventing damage to voltage cells such as galvanic cells and fuel cells connected in series by detecting sequential voltages and comparing these voltages to adjacent voltage cells. The device is implemented by using operational amplifiers and switching circuitry is provided by transistors. The device can be utilized in battery powered electric vehicles to prevent galvanic cell damage and also in series connected fuel cells to prevent fuel cell damage.
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