A bicycle carrier attachment for a vehicle includes at least one bracket held within an interior of a vehicle spoiler. The at least one bracket is attached to a portion of the vehicle and held within the spoiler interior. Optionally, a cover is included that defines a flush surface with the spoiler body when in a closed configuration.

An active aero flap apparatus for a muffler of a may include an aero flap including a flap wing disposed at a side of the muffler, into which vehicle-induced wind is introduced, to block introduction of the vehicle-induced wind, and flap supporters formed to expand from both ends of the flap wing, drivelines rotatably coupling ends of the flap supporters to the muffler, and actuator modules rotating the aero flap about the drivelines.

A motor vehicle comprising an aerodynamic underbody flap (1) rotating about a transverse axis (10) and a lower transverse structure (4) arranged at the rear of the lower part of a front bumper (6). The rear part of the lower transverse structure (4) comprises guide means (41, 42) which, in the event of a frontal impact, guide the backward movement of the lower transverse structure (4) such that the rear face of the lower transverse structure (4) comes into contact with the axis (10) of the aerodynamic underbody flap (1).

Systems and methods are disclosed for providing a deployable fairing system to a tractor trailer. The deployable fairing system includes an actuator used to extend the deployable fairing from an unextended configuration to an extended configuration, for example to occupy a portion of a gap area that exists between a tractor and an attached trailer or to extend from the rear of a trailer. The deployable fairing includes deployable upper and/or lower horizontal assemblies that are pivotally coupled to a frame attached to the tractor/cab, and two side panels that are pivotally coupled to one or both of the upper and lower horizontal assemblies. The deployable upper and lower horizontal assemblies and the two side panels fold in on one another along multiple hinged axes in the unextended configuration, and extend rearward from the top and sides of the tractor in the extended configuration to cover a portion of the gap. The fairing may advantageously flair from front to the rear.

Presented are flutter countermeasure devices and control logic for active aerodynamic systems, methods for making/using such active aero systems, and vehicles equipped with spoiler flutter countermeasure devices for increasing downforce and decreasing drag. A method of operating an active aerodynamic system of a motor vehicle includes detecting, via a system controller based on sensor data received from one or more sensing devices, a flutter excitation experienced by a spoiler of the active aero system during operation of the motor vehicle. The controller determines a harmonic oscillation amplitude of the flutter excitation experienced by the spoiler, and then determines if this harmonic oscillation amplitude exceeds a vehicle-calibrated threshold amplitude. If so, the system controller determines a damping force sufficient to mitigate or eliminate the harmonic oscillation amplitude. The controller then commands a flutter countermeasure device operatively attached to the spoiler to generate the damping force and thereby mitigate the flutter excitation.

A rear diffuser on the underbody of a motor vehicle having an air duct which extends at the rear of the motor vehicle counter to the longitudinal direction of the vehicle toward the rear end of the motor vehicle. The air duct has at least one upper wall, which delimits the air duct in the upward direction. The upper wall has a first region, which is coupled in a nonadjustable manner to the motor vehicle and/or to the underbody. The upper wall has a second region, which can be moved relative to the motor vehicle and/or to the underbody. The second region is coupled in a movable manner to the first region by at least one hinge-type region.

An adjustable airfoil system for a vehicle includes a first airfoil shaft, a first airfoil having a first end mounted on the first airfoil shaft, and a first airfoil support structured for mounting to a portion of a vehicle and for rotatably supporting a portion of the first airfoil shaft at a location spaced apart from a first end of the first airfoil shaft. The system also includes a second airfoil shaft, a second airfoil having a first end mounted on the second airfoil shaft, and a second airfoil support structured for mounting to a portion of a vehicle and for rotatably supporting a portion of the second airfoil shaft spaced apart from a first end of the second airfoil shaft. A shaft end support is rigidly coupled to the first airfoil support and the second airfoil support. The shaft end support is structured to rotatably support the first end of the first airfoil shaft and the first end of the second airfoil shaft when the shaft end support is rigidly coupled to the first airfoil support and the second airfoil support.

An actively controlled flap system includes a bar defining a rotational axis, a first flap rotatably coupled to the bar and configured to rotate about the rotational axis, and a second flap rotatably coupled to the bar and configured to rotate about the rotational axis, the second flap including an opening extending through the second flap. The first flap is rotatable between a first position in which the opening in the second flap is covered by the first flap and a second position in which the opening in the second flap is uncovered, and the second flap is rotatable between a third position and a fourth position.