Automatic electric battery charging apparatus

Details Automatic electric battery charging apparatus Automatic electric battery charging apparatus

1977-11-21

1979-08-07

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 39, H02J 704

Patent

active

041639332

ABSTRACT:
The automatic electric battery charging apparatus includes at least one timer, a voltage comparator arranged to compare a reference voltage, referred to herein as a staircase voltage, with a control signal varying with battery voltage, jacking means rendered operative by the timer when a first predetermined time interval has elapsed and serving to repeatedly increase the staircase voltage step-by-step relatively to the control signal, by equal steps, so long as the control signal exceeds the reference voltage, and terminating means for initiating the termination if the staircase voltage exceeds the control signal before the jacking means have exceeded a predetermined number of steps from the start of their operation.

REFERENCES:
patent: 3761795 (1973-09-01), Clayton et al.
patent: 3794905 (1974-02-01), Long
patent: 3895282 (1975-07-01), Foster et al.
patent: 3912108 (1975-10-01), Clayton et al.
patent: 3979658 (1976-09-01), Foster
patent: 3992658 (1976-11-01), Bechtold et al.

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