Battery voltage regulating system

Details Battery voltage regulating system Battery voltage regulating system

1984-11-30

1986-07-22

Salce, Patrick R.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 1, 320 32, 320 39, 323216, H02J 700

Patent

active

046022058

ABSTRACT:
A battery voltage regulating system for an automotive vehicle, wherein a first and a second comparators for sensing a battery voltage and a delay circuit connected to the comparators and controlling a power transistor connected in series with a field coil of an alternator with a certain delay time. The delay circuit includes a capacitor and a charge-discharge current changing circuit so that when the battery voltage exceeds a reference voltage of the second comparator, which is higher than that of the first comparator, a charge on the capacitor is discharged with a larger discharging current than the normal discharging current, to thereby shorten the delay time.

REFERENCES:
patent: 4233556 (1980-11-01), Nagel et al.
patent: 4477766 (1984-10-01), Akita et al.

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