Method for controlling a cooling system delivering coolant to heat exchanger in a vehicle
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United States of America
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Jan 11, 2017
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Jan 11, 2017
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Abstract
A method for controlling a cooling system delivering coolant to a heat exchanger (18) in a vehicle (1). During operating conditions when a thermostat (6) in the cooling system is in the partly open position, the method comprises the steps of estimating a desired cooling temperature (T) of a medium in the heat exchanger (18), calculating the coolant flow rate ({dot over (m)}1) through a radiator (7b) and the coolant flow rate ({dot over (m)}2) through a radiator bypass line (9), calculating a coolant flow rate ({dot over (m)}3) and coolant temperature (t3) combination at 10 at which the medium in the heat exchanger (18) is cooled to a desired temperature (T), adjusting the flow regulating mechanism (23) such that coolant at the selected flow rate ({dot over (m)}3) and temperature (t3) combination is directed to the heat exchanger (18).
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