COOLING SYSTEM HAVING PULSED FAN CONTROL

摘要

A cooling system is provided for an engine. The cooling system may have an air cooler configured to cool intake air being supplied to the engine. The cooling system may also have a sensor configured to generate a temperature signal indicative of a temperature of the intake air and a fan in proximity to the air cooler. The cooling system may further have a controller in communication with the sensor and the fan. The controller may be configured to cause the fan to operate at a speed that is a function of the temperature signal when the temperature of the intake air is above a threshold temperature. The controller may further be configured to selectively cause the fan to pulse when the temperature of the intake air drops below the threshold temperature.

主权项

1. A method of cooling an engine, comprising:
directing combustion intake air through an air cooler to cool the combustion intake air; directing combustion intake air from the air cooler into the engine; generating a temperature signal indicative of a temperature of the combustion intake air; driving a fan in proximity to the air cooler at a speed that is a function of the temperature signal when the temperature of the combustion intake air is above a threshold temperature; and selectively pulsing the fan on and off when the temperature of the combustion intake air is below the threshold temperature.