Battery state-of-charge indicator

Details Battery state-of-charge indicator Battery state-of-charge indicator

1980-10-01

1982-03-16

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

324433, 340636, H02J 700, G08B 2100

Patent

active

043203345

ABSTRACT:
Apparatus for providing a continuous indication of battery state-of-charge under load in a system in which the battery is subject to varying load conditions. The apparatus stores a value representative of battery open circuit terminal voltage and reduces the stored value while the battery is loaded at a rate proportional to the difference between the stored value and a scaled value of actual battery terminal voltage. If the scaled value exceeds the stored value, the stored value is increased to a value corresponding to the scaled value.

REFERENCES:
patent: 3932797 (1976-01-01), York
patent: 4021718 (1977-05-01), Konrad
patent: 4234840 (1980-11-01), Konrad et al.

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