Dual battery system with improved overvoltage protection

Details Dual battery system with improved overvoltage protection Dual battery system with improved overvoltage protection

1986-01-24

1987-06-09

Salce, Patrick R.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 6, 307 16, H02J 700

Patent

active

046722947

ABSTRACT:
A dual voltage, dual battery electrical supply system for automotive vehicles is disclosed. Two batteries are connected in series and a high voltage regulator regulates the voltage across the series connected batteries and a low voltage regulator regulates the voltage across the lower battery of the series connection. Overvoltage protection is provided for the lower battery by a control circuit which resets the high voltage regulator to a reduced voltage in response to a predetermined voltage across the lower battery.

REFERENCES:
patent: 3710226 (1973-01-01), Seike
patent: 3809995 (1974-05-01), Hardin
patent: 3816805 (1974-06-01), Terry
patent: 4041363 (1977-08-01), Scheidler
patent: 4044293 (1977-08-01), Follmer
patent: 4047088 (1977-09-01), Himmler
patent: 4179647 (1979-12-01), Cummins et al.
patent: 4210856 (1980-07-01), Taylor

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