US Patent 10384730 Electronic active air dam

An active air dam system includes an air dam comprising a static portion and a sliding portion driven by an actuator system. A controller system is provided, configured to cause the actuator system to translate the sliding portion vertically between a retracted position and a plurality of deployed positions according to one or more of a vehicle under-engine heat exchanger input and a vehicle drive train mode input. Methods for controlling the air dam system are provided.