Control apparatus for an a.c. generator for automobile

Details Control apparatus for an a.c. generator for automobile Control apparatus for an a.c. generator for automobile

1989-06-27

1990-07-31

Budd, Mark O.

Electricity: single generator systems

Automatic control of generator or driving means

Thermal conditions

322 28, H02J 714

Patent

active

049452991

ABSTRACT:
A reference voltage circuit for a voltage regulator control includes three parallel voltage dividers cross-coupled by oppositely poled diodes, one of the dividers having a negative voltage-temperature characteristic tied to the battery electrolyte temperature and another divider having a positive characteristic. With this arrangement the reference voltage remains constant below a first electrolyte temperature t1, decreases between t1 and a second, higher temperature t2, and decreases at a reduced rate above t2.

REFERENCES:
patent: 3599079 (1971-08-01), Ansbro
patent: 4220908 (1980-09-01), Nicol
patent: 4398140 (1983-08-01), Morishita
patent: 4496898 (1985-01-01), Iwaki et al.
patent: 4563631 (1986-01-01), Mashino et al.
patent: 4590415 (1986-05-01), Iwaki et al.
patent: 4629967 (1986-12-01), Voss
patent: 4680530 (1987-07-01), Mashino
patent: 4760323 (1988-07-01), Naoi

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