Alternator control apparatus
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United States of America Patent
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Sep 27, 2016
Grant Date -
Oct 22, 2015
app pub date -
Nov 9, 2012
filing date -
Nov 9, 2012
priority date (Note) -
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Abstract
An alternator control apparatus is provided which includes a first controller and a second controller that periodically transmits an instruction signal related to electric power generation to the first controller, wherein the instruction signal selectively includes a power generation instruction signal and a non-power generation instruction signal, the first controller, if a detection value of power supply voltage is less than a threshold and receives the power generation instruction signal from the second controller, controls a power generation amount of the alternator to be greater than a predetermined reference, and, if the detection value is less than the threshold and receives the non-power generation instruction signal from the second controller, forms or maintains the non-power generated or the power generation suppressed state, the second controller periodically transmits the non-power generation instruction signal to the first controller until a predetermined condition is met after completion of engine start.
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