Multi-rate constant voltage battery charger with display

Details Multi-rate constant voltage battery charger with display Multi-rate constant voltage battery charger with display

1991-02-25

1992-12-15

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 32, 320 39, 320 48, H02J 700

Patent

active

051720442

ABSTRACT:
A voltage setting value for charging a battery starts from a first constant voltage level less than a full battery voltage and after a period of time the battery voltage reaches that first level and the charging current begins to decrease. The charging current decrease is detected and the voltage value is increased to a next constant voltage level and the process is repeated until the constant voltage level is reached that equals the full battery voltage. Each time the voltage level is changed the corresponding percentage of the battery voltage is displayed to represent the charging amount.

REFERENCES:
patent: 3854082 (1974-12-01), Nasby et al.
patent: 4125802 (1978-11-01), Godard
patent: 4418310 (1983-11-01), Bollinger
patent: 4629965 (1986-12-01), Fallon et al.
patent: 4678998 (1987-07-01), Muramatsu et al.
patent: 4680528 (1987-07-01), Mikami et al.
patent: 4918368 (1990-04-01), Baker et al.

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