Control device for a vehicle A.C. generator

Details Control device for a vehicle A.C. generator Control device for a vehicle A.C. generator

1989-12-22

1990-07-31

Orsino, Joseph A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

322 99, 361 21, G08B 2100

Patent

active

049452770

ABSTRACT:
A control device for a vehicle a.c. generator comprises a rectifier connected to an armature coil of the a.c. generator, and having a main rectification output terminal for outputting the rectified output to a battery, and an auxiliary rectification terminal connected to one end of the field coil of the generator; a voltage regulator which turns on and off the field current by means of a switching element connected to the other end of the field coil to adjust the output voltage from the generator at a predetermined level; an overvoltage limiting unit including a switching element which conducts when the output voltage from the generator exceeds a predetermined overvoltage value; and a switching unit which is energized by the conduction of the switching element in the overvoltage limiting unit to ground the auxiliary rectification terminal of the rectifier.

REFERENCES:
patent: 3656135 (1972-04-01), Ruff
patent: 4593233 (1983-06-01), Taylor et al.
patent: 4629968 (1986-12-01), Butts et al.
patent: 4665354 (1987-05-01), Sada et al.
patent: 4755737 (1988-07-01), Komurasaki et al.

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