Current supplying device

Details Current supplying device Current supplying device

1988-02-22

1989-10-24

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 25, 320 39, H02J 704

Patent

active

048764965

ABSTRACT:
A current supplying device is provided and connectable across the positive and negative terminals of a battery to supply a direct current to the positive terminal. The device includes an alternating current (AC) to direct current (DC) converter for generating a direct current from an AC power source. A pair of circuits biased to inoperative conditions are coupled to the converter and separately actuable to an operative condition to supply the direct current to one of the battery terminals. A polarity detector senses the polarity of the battery terminals and provides siganls to a plurality of switches which actuate one of the circuits to the operative condition so that the direct current is always supplied to the positive terminal of the battery. Current overload protection is also provided for protecting the polarity detector and inhibiting the operation of the switches in order to return the one circuit to the inoperative condition in the event of unsafe current flow in the one circuit.

REFERENCES:
patent: 3217225 (1965-11-01), Gottlieb et al.
patent: 3857082 (1974-12-01), Van Opijnen
patent: 4309622 (1982-01-01), Cottrell
patent: 4400658 (1983-08-01), Yates
patent: 4663579 (1987-05-01), Yang

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