INTERNAL COMBUSTION ENGINE AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
May 20, 2013
filing date -
May 30, 2012
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Abstract
An electronic control unit (ECU) with a surge avoidance unit, wherein, when a turbocharge compressor enters a surging state during vehicle deceleration, the ECU acquires a first target opening degree of a nozzle vane in a turbine of the turbocharger based on an operation state and a first opening map as a surge avoidance control, controls the nozzle vane to a surge avoiding first target opening degree, if the first target opening degree is smaller than a predetermined surge avoiding first target opening degree, and controls the nozzle vane to the first target opening degree, if the first target opening degree is not less than the surge avoiding first target opening degree.
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