Battery charging apparatus for vehicle
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United States of America Patent
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Apr 4, 2017
Grant Date -
Aug 13, 2015
app pub date -
Feb 4, 2015
filing date -
Feb 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A battery charging apparatus for a vehicle includes a driver, a position detector, and a controller. The driver includes switching elements to convert three-phase AC power outputted from a winding of each phase of a stator of a three-phase AC generator into DC power to supply the DC power to a battery. The position detector is configured to output a position detection signal indicating a position of a rotor of the three-phase AC generator. The controller is configured to control the switching elements to be switched between an energized state and non-energized state. The controller is configured to have a maintenance period during a period until next input of the position detection signal if the period exceeds an energization period. The switching elements are to be maintained in the maintenance period in the energized state or non-energized state immediately before the period exceeding the energization period.
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