Automatic series/parallel battery connecting arrangement

Details Automatic series/parallel battery connecting arrangement Automatic series/parallel battery connecting arrangement

1991-07-15

1992-06-09

Stephan, Steven L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 7, 307 71, H02J 704

Patent

active

051210460

ABSTRACT:
An arrangement for automatically connecting a first battery either in series with or in parallel to a second battery in order to maintain a minimum output terminal voltage including a voltage sensor which detects when the operating voltage of the batteries falls below a first threshold. When this occurs, switching devices are activated to convert the parallel connection of batteries into a series connection, thereby doubling the operating voltage. When the battery voltage rises above a second threshold which is at least twice the first threshold, the switching means are activated to reconnect the batteries in parallel.

REFERENCES:
patent: 3748500 (1973-07-01), Tam
patent: 3871383 (1975-03-01), Lee
patent: 4009431 (1977-02-01), Johnson
patent: 4233552 (1980-11-01), Baumbach
patent: 4297629 (1981-10-01), Godard et al.
patent: 4315162 (1982-02-01), Ferguson
patent: 4412137 (1983-10-01), Hansen et al.
patent: 4581570 (1986-04-01), Mejia
patent: 4788452 (1988-11-01), Stanley
patent: 4814631 (1989-03-01), Jackson

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