Apparatus and method for starting engine of mild hybrid electric vehicle
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United States of America Patent
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Aug 9, 2022
Grant Date -
Feb 11, 2021
app pub date -
Oct 22, 2020
filing date -
Dec 18, 2017
priority date (Note) -
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Abstract
An apparatus for starting engine of mild hybrid electric vehicle may include: an ignition switch; an ambient temperature detector; a state of charge (SOC) detector; a mild starter & generator (MHSG) including a stator and a rotor mounted inside the stator; a starter which is configured to start the engine independently of the MHSG; a converter which is configured to voltage-drop an electric power of a high voltage battery and supply it to the low voltage battery or the starter; an MHSG wheel rotating integrally with the rotor; an MHSG position detector; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector.
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