Battery charging systems for road vehicles

Details Battery charging systems for road vehicles Battery charging systems for road vehicles

1977-03-01

1978-10-17

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 64, 322 99, H02J 714

Patent

active

041211464

ABSTRACT:
A battery charging system includes an alternator, a main rectifier for charging the battery, and an auxiliary rectifier for supplying current to the alternator field winding under control of its voltage regulator 20. A first transistor switch is sensitive to under voltage to illuminate a first warning light and a second transistor switch is sensitive to over voltage to illuminate a second warning light. The two transistor switches are cross-connected so that failure of either light causes illumination of the other.

REFERENCES:
patent: 3890555 (1975-06-01), Nelson et al.
patent: 3944905 (1976-03-01), Allport et al.
patent: 4056765 (1977-11-01), Scheidler et al.
"Voltage Monitor Uses LED Indicators . . ." Moss, Electronic Design 19, 9/13/74, p. 176.

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