Battery charger

Details Battery charger Battery charger

1983-01-10

1984-08-21

Shoop, William M.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 20, 320 24, 320 40, H02J 700

Patent

active

044672659

ABSTRACT:
A battery charger with an SCR providing high charging current to a battery until a predetermined high voltage level is sensed. When the voltage sensed reduces to a float voltage minimum level, a trickle charge current is supplied through another SCR until a float voltage maximum level is sensed, which suspends trickle charge current until the voltage again reduces to the float voltage minimum level. When a load reduces the battery voltage so that the sensed voltage is reduced to a predetermined low level below the float voltage minimum level, then the high charging current SCR is again gated on to charge the battery.

REFERENCES:
patent: 3517294 (1970-06-01), Ruben
patent: 3911349 (1975-10-01), Seeley et al.
patent: 4047088 (1977-09-01), Himmler
patent: 4191918 (1980-03-01), Nicholls

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