Motor vehicle electrical system

Details Motor vehicle electrical system Motor vehicle electrical system

1983-10-12

1985-01-01

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 17, 320 57, 322 90, H02J 714, H02J 724

Patent

active

044917791

ABSTRACT:
A multivoltage electrical system for a motor vehicle that has a pair of storage batteries which, in a first charging mode are charged in series from the direct voltage output terminals of a bridge rectifier connected to an alternating current generator. In a second charging mode, only one of the batteries is charged and this takes place when a plurality of controlled rectifiers connecting the generator and a common junction of the batteries are gated conductive. The switching between modes is a function of the voltage of one of the batteries and the voltage of a triangular voltage waveform generator operating at a fixed frequency. The system is maintained in the second mode when generator speed is below a predetermined value.

REFERENCES:
patent: 3427529 (1969-02-01), Cummins et al.
patent: 3624480 (1971-11-01), Campbell et al.
patent: 3809995 (1974-05-01), Hardin
patent: 4041363 (1977-08-01), Scheider
patent: 4044293 (1977-08-01), Follmer
patent: 4047088 (1977-09-01), Himmler
patent: 4179647 (1979-12-01), Cummins et al.

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