PROACTIVE AERODYNAMIC TRUCK TRAILER SHROUD.

摘要

A power or motive source for an extensible fairing for an articulated motor vehicle is based on a fluid power system. The fluid power system is disposed on the vehicle to be exposed to airflow around the vehicle resulting from forward movement of the vehicle. A coupling mechanism responsive to exposure of the fluid power system to airflow for extending and retracting the extensible fairing responsive to changes in vehicle speed.