Battery charger

Details Battery charger Battery charger

1982-08-06

1984-10-09

Shoop, William M.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

H02J 704

Patent

active

044764251

ABSTRACT:
A battery charger can charge a battery from a primary power source having a peak voltage exceeding the maximum battery voltage independently producible by the battery. The charger has output terminals, a switch and a feedback circuit. The output terminals are adapted for connection to the battery. The switch can periodically couple the primary power source to the output terminals to raise their voltage above the maximum battery voltage. The feedback device is responsive to the charging occuring at the terminals for limiting the current thereto by varying the duty cycle of the switch.

REFERENCES:
patent: 2979607 (1961-04-01), Herzfeld
patent: 3781631 (1973-12-01), Nelson et al.
patent: 3987354 (1976-10-01), Mason
patent: 4011483 (1977-03-01), Meadows
patent: 4031451 (1977-06-01), Gordon
patent: 4368498 (1983-01-01), Neuhouser
patent: 4395672 (1983-07-01), Gassaway

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