US Patent 10577034 Modifying aerodynamic performance of a vehicle

Embodiments of the present invention provide airflow apparatus for a vehicle comprising: an airflow duct extending rearwardly from a front region of said vehicle, the airflow duct having an airflow inlet and an airflow outlet; a cooling duct, separate from the airflow duct, the cooling duct having a cooling inlet and a cooling outlet, wherein the airflow outlet is in proximity to the cooling outlet such that, in use, airflow through said airflow outlet influences airflow through said cooling outlet, the cooling outlet and/or the airflow outlet is in a bonnet of the vehicle and, in use, airflow exits the airflow outlet substantially parallel said bonnet.