AC generator control apparatus for a motor vehicle

Details AC generator control apparatus for a motor vehicle AC generator control apparatus for a motor vehicle

1995-04-12

1997-03-04

Stephan, Steven L.

Electricity: single generator systems

Automatic control of generator or driving means

Speed or frequency of generator

322 28, H02P 900

Patent

active

056083106

ABSTRACT:
An AC generator control apparatus for a motor vehicle includes an AC generator driven by an engine for generating an output voltage for charging an onboard battery, a rotation sensor for detecting an engine rotation number, a shift position sensor for detecting a shift position indicating a gear ratio of a transmission, and a control means responsive to the engine rotation number information to change stepwise with fine control the output voltage of the generator in depending on the gear shift positions within a predetermined range of engine rotation numbers. Not only the battery charge efficiency, but also the running performance and fuel efficiency of the motor vehicle can be enhanced with high reliability, while ensuring improved braking performance.

REFERENCES:
patent: 5444354 (1995-08-01), Takahashi et al.
patent: 5469816 (1995-11-01), Marakawa et al.

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