H - Electricity – 02 – J
Patent
H - Electricity
02
J
320/9
H02J 7/14 (2006.01) G06G 7/28 (2006.01) H02J 7/24 (2006.01)
Patent
CA 1207380
- 1 - ABSTRACT Disclosed is a voltage regulator for an a.c. charging generator. The regulator consists of a rectifier for converting the a.c. output of the generator to d.c. A battery will be connected to the output of the rectifier. The regulator includes comparison means for comparing the battery voltage with a reference voltage and a power transistor controlled by the output of the comparison means for controlling the current flowing through a field coil of the a.c. generator. The reference voltage generation circuit comprises a voltage divider connected to a constant voltage power source to provide its divided voltage as the reference voltage. A plurality of transistors is connected in parallel with a part of the voltage divider. A conduction control circuit controls the transistors in accordance with the ambient temperature, so that the reference voltage is determined in accordance with such temperature. The result is a voltage regulator of simple construction that exhibits better temperature characteristics than hitherto available.
446864
Kobayashi Kunio
Mashino Keiichi
Masumoto Shouju
Naoi Keigo
Hitachi Automotive Engineering Co. Ltd.
Hitachi Ltd.
Kirby Eades Gale Baker
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