Engine start control device and engine start control method for hybrid electric vehicle
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United States of America Patent
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Jan 5, 2016
Grant Date -
May 28, 2015
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2012
priority date (Note) -
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Abstract
An engine start using an electric motor during a vehicle travel is performed by increasing an output torque of the electric motor in a slip state where a second frictional engagement element 3 connecting the electric motor 1 and a driving wheel slips. A controller determines a requested acceleration amount from a depression amount of an accelerator pedal. When the requested acceleration amount is significant, a different torque increment characteristic is applied, compared to a case where the requested acceleration amount is not significant. Thus, the internal combustion engine starts in a high response depending on the requested acceleration amount input by the driver, thereby improving a vehicle acceleration response.
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