Air resistance-reducing device for a vehicle
An air resistance-reducing device ( 1 ) for a vehicle ( 12 ) includes a first air guide element A ( 3 ) and a second air guide element B ( 4 ) which can be adjusted between a rest position and a travel position for contour extension and aerodynamic air guidance by an actuator ( 6 ). The air resistance-reducing device ( 1 ) includes connecting element ( 7 ) with a coupling element 8 , which connects the actuator ( 6 ) to the at least one connecting element ( 7 ), a first leg ( 9 ), which connects the coupling element ( 8 ) to the first air guide element A ( 3 ), a second leg ( 10 ), which connects the coupling element ( 8 ) to the second air guide element B ( 4 ), and a third leg ( 11 ), which connects the first leg ( 9 ) to the second leg ( 10 ).
1. An air resistance-reducing device ( 1 ) for a vehicle ( 12 ), the air resistance-reducing device ( 1 ) comprising:
a first air guide element A ( 3 );
a second air guide element B ( 4 );
an actuator ( 6 ) configured for jointly adjusting both the first air guide element A ( 3 ) and the second air guide element B ( 4 ) between a rest position and a travel position; and
a connecting element ( 7 ) including:
a coupling element ( 8 ) which connects the actuator ( 6 ) to the at least one connecting element ( 7 );
a first leg ( 9 ) which connects the coupling element ( 8 ) to the first air guide element A ( 3 );
a second leg ( 10 ) which connects the coupling element ( 8 ) to the second air guide element B ( 4 ); and
a third leg ( 11 ) which connects the first leg ( 9 ) to the second leg ( 10 ).
2. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the first air guide element A ( 3 ) and the second air guide element B ( 4 ) are connected together only via the connecting element ( 7 ).
3. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the actuator ( 6 ) and the connecting element ( 7 ) form a supporting device ( 5 ).
4. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the actuator ( 6 ) is arranged on a substantially flat surface ( 2 ) of the vehicle ( 12 ) via a hinge connection ( 16 ).
5. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the actuator ( 6 ) of the support device ( 9 ) is a linear actuator, a pneumatic actuator or an electronic actuator.
6. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the air resistance-reducing device ( 1 ) is arranged on a rear face ( 2 ) of a driver's cab, a truck, a semitrailer or a trailer.
7. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the air resistance-reducing device ( 1 ) can be adjusted between the rest position and the travel position depending on the speed of the vehicle ( 2 ) via at least one of a rotation speed sensor ( 19 ), a driver request ( 18 ), and an input from a global position determination device ( 17 ).
8. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the first air guide element A ( 3 ) is arranged vertically on a substantially flat surface ( 2 ) of the vehicle ( 12 ), and the second air guide element B ( 4 ) is arranged horizontally on the substantially flat surface ( 2 ) of a vehicle ( 12 ).
9. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the actuator is configured to adjust the first air guide element A ( 3 ) and the second air guide element B ( 4 ) both from the rest position into the travel position and from the travel position into the rest position via the actuator ( 6 ).
10. The air resistance-reducing device ( 1 ) as claimed in claim 1 , wherein the first air guide element A ( 3 ) and the second air guide element B ( 4 ) have no direct connection.