Battery charger and charge controller therefor

Details Battery charger and charge controller therefor Battery charger and charge controller therefor

1991-02-22

1993-04-27

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 31, 320 38, 320 40, H02J 704

Patent

active

052065790

ABSTRACT:
A battery charger and a charge controller therefor are disclosed, the battery charger including a supply circuit for supplying a charging current to a battery and a control circuit for controlling the supply of the charging current to the battery. The control circuit shuts the charging current when the detected voltage of the battery is smaller than the maximum peak value by a predetermined quantity. A control means shuts the charging current after a predetermined time has elapsed from a time at which the detected voltage of the battery has raised to the maximum peak value. The control means reduces the charging current when the detected voltage of the battery is made to be a switching voltage. Furthermore, the control means shuts the charging current after a predetermined time has elapsed after the charging current had been reduced.

REFERENCES:
patent: 4035709 (1977-07-01), Seider et al.
patent: 4087733 (1978-05-01), Casagrande
patent: 4503378 (1985-03-01), Jones et al.
patent: 4609861 (1986-09-01), Inaniwa et al.
patent: 4639655 (1987-01-01), Westhaver et al.
patent: 4647834 (1987-03-01), Castleman
patent: 4668901 (1987-05-01), Furukawa
patent: 4746854 (1988-05-01), Baker et al.
patent: 4886840 (1989-02-01), Alexander et al.

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