System and method of controlling engine for vehicle interior heating
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United States of America Patent
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Jun 16, 2020
Grant Date -
Nov 30, 2017
app pub date -
Nov 30, 2016
filing date -
May 26, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system of controlling an engine for vehicle interior heating is provided. The method includes performing a first engine control when the engine is not in an engine-on state for vehicle driving, to perform heating control for interior heating at a predetermined range of a reference coolant temperature. Additionally, the method includes performing a second engine control when the engine is in an engine-on state for vehicle driving, to prolong an engine-on time for vehicle driving by setting a minimum value of the range of the reference coolant temperature to a lower value and setting a maximum value of the range of the reference coolant temperature to a higher value and to determine a point of time of engine-off operation based on a real-time lock up time and an average lock up time of an engine clutch for vehicle driving.
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