VEHICLE AERODYNAMIC APPARATUS
First Claim
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1. A vehicle comprising a transverse panel and a transverse aerodynamic member, the transverse aerodynamic member being movable to an operating position in which it is spaced apart from the transverse panel;
- wherein, in said operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle.
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Abstract
A vehicle having a transverse panel and a transverse aerodynamic member, and a control unit. The transverse aerodynamic member is movable to an operating position in which it is spaced apart from the transverse panel. In that operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle.
14 Citations
19 Claims
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1. A vehicle comprising a transverse panel and a transverse aerodynamic member, the transverse aerodynamic member being movable to an operating position in which it is spaced apart from the transverse panel;
- wherein, in said operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16-17. -17. (canceled)
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18. A vehicle comprising a transverse panel and a transverse aerodynamic member, the transverse aerodynamic member being movable to an operating position in which it is spaced apart from the transverse panel;
- wherein, in said operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle, wherein the transverse aerodynamic member comprises a transverse member having a leading edge and a trailing edge;
wherein a chord line contained in a vertical plane extends from the leading edge to the trailing edge of the transverse member;
the chord line being inclined at an angle of incidence relative to a longitudinal axis of the vehicle, the angle of incidence being positive along at least a portion of a width of the transverse aerodynamic member, and wherein the transverse aerodynamic member is configured such that the angle of incidence is larger in an outboard portion of the transverse aerodynamic member than in an inboard portion of the transverse aerodynamic member.
- wherein, in said operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle, wherein the transverse aerodynamic member comprises a transverse member having a leading edge and a trailing edge;
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19. A vehicle comprising a transverse panel and a transverse aerodynamic member, the transverse aerodynamic member being movable to an operating position in which it is spaced apart from the transverse panel;
- wherein, in said operating position, the transverse aerodynamic member is operable to direct airflow downwardly at the rear of the vehicle to control the vertical propagation of the wake formed behind the vehicle, wherein the spacing between the transverse panel and the transverse aerodynamic member in said operating position forms a duct having a duct inlet and a duct outlet, the duct being arranged such that, in use, airflow exiting the duct outlet in an outboard region of the transverse aerodynamic member comprises a greater downwards flow component than airflow exiting the duct outlet in an inboard region of the transverse aerodynamic member.
Specification