A aerodynamic apparatus for a vehicle 200, for example a truck, includes a central portion 202 for deflecting airflow under the vehicle and left and right side portions 204 extending from central portion 202 outboard to left and right sides of the vehicle. Each side portion 24 includes an inner portion 206 coupled to central portion 202 and an outer portion 208 extending towards a rear side 210 of the vehicle, with the inner and outer portions angled towards the rear side. A vane 212, suitable a turning vane, is provided on each outer portion 208 to split the airflow and create an internal secondary flow behind the outer portion. Each vane 212 may turn about a generally vertical axis to alter the amount of the secondary flow and to control the pressure difference across outer portions 208.
Aerodynamic improvements to front bumper attachment
2021-09-15
Patent
Electronic Resource
English