Wheel trim
The wheel trim ( 1 ) comprises a base element ( 2 ) provided with holes ( 3 ) and a cover element ( 4 ) placed on said base element ( 2 ), the cover element ( 4 ) being linked with the base element ( 2 ) by a speed activation element ( 5 ) and said cover element ( 4 ) being movable between a rest position, in which the holes ( 3 ) are not covered, and an active position, in which the holes ( 3 ) are completely or partially covered, when the rotating speed of the wheel is higher than a preset speed, and it is characterized in that the cover element ( 4 ) is also linked with the base element ( 2 ) by a temperature activation element ( 6 ), so that when the temperature sensed by said temperature activation element ( 6 ) is higher than a preset temperature, the temperature activation element ( 6 ) moves the cover element ( 4 ) to said rest position.
1. A wheel trim ( 1 ) comprising:
a base element ( 2 ) provided with holes ( 3 ); and
a cover element ( 4 ) placed on said base element ( 2 ), the cover element ( 4 ) being linked with the base element ( 2 ) by a speed activation element ( 5 ) and said cover element ( 4 ) being movable between a rest position, in which the holes ( 3 ) are not covered by the cover element ( 4 ), and an active position, in which the holes ( 3 ) are completely or partially covered by the cover element ( 4 ), when a rotating speed of the wheel is higher than a preset speed,
wherein the cover element ( 4 ) is also linked with the base element ( 2 ) by a temperature activation element ( 6 ) which moves the cover element ( 4 ) to said rest position when a temperature sensed by said temperature activation element ( 6 ) is higher than a preset temperature,
wherein a first end of each of the temperature activation element ( 6 ) and the speed activation element ( 5 ) is fixed to the base element ( 2 ) and a second end of each of the temperature activation element ( 6 ) and the speed activation element ( 5 ) is linked to the cover element ( 4 ) by an arm ( 10 ), a second end of the arm ( 10 ) being movable inside a groove ( 7 ) ,provided in the base element ( 2 ).
2. The wheel trim ( 1 ) according to claim 1 , wherein the temperature activation element ( 6 ) is a spring made of a shape memory alloy.
3. The wheel trim ( 1 ) according to claim 2 , wherein the cover element ( 4 ) is attached to the base element ( 2 ) by a central bearing ( 8 ) that permits the rotation of the cover element ( 4 ) with respect to the base element ( 2 ).
4. The wheel trim ( 1 ) according to claim 2 , wherein the base element ( 2 ) comprises a plurality of retaining elements ( 9 ) for attaching the trim ( 1 ) to a wheel.
5. The wheel trim ( 1 ) according to claim 2 , wherein the speed activation element ( 5 ) comprises a body ( 50 ) at one of its ends, so that when the rotating speed of the wheel tram ( 1 ) is higher than the preset speed, the speed activation element ( 5 ) moves said cover element ( 4 ) to said active position.
6. The wheel trim ( 1 ) according to claim 1 , wherein the speed activation element ( 5 ) is a metallic spring or a gas cylinder.
7. The wheel trim ( 1 ) according to claim 6 , wherein the cover element ( 4 ) is attached to the base element ( 2 ) by a central bearing ( 8 ) that permits the rotation of the cover element ( 4 ) with respect to the base element ( 2 ).
8. The wheel trim ( 1 ) according to claim 6 , wherein the base element ( 2 ) comprises a plurality of retaining elements ( 9 ) for attaching the trim ( 1 ) to a wheel.
9. The wheel trim ( 1 ) according to claim 6 , wherein the speed activation element ( 5 ) comprises a body ( 50 ) at one of its ends, so that when the rotating speed of the wheel trim ( 1 ) is higher than the preset speed, the speed activation element ( 5 ) moves said cover element ( 4 ) to said active position.
10. The wheel trim ( 1 ) according to claim 1 , wherein the cover element ( 4 ) is attached to the base element ( 2 ) by a central bearing ( 8 ) that permits the rotation of the cover element ( 4 ) with respect to the base element ( 2 ).
11. The wheel trim ( 1 ) according to claim 1 , wherein the base element ( 2 ) comprises a plurality of retaining elements ( 9 ) for attaching the trim ( 1 ) to a wheel.
12. The wheel trim ( 1 ) according to claim 1 , wherein the speed activation element ( 5 ) comprises a body ( 50 ) at one of its ends, so that when the rotating speed of the wheel trim ( 1 ) is higher than the preset speed, the speed activation element ( 5 ) moves said cover element ( 4 ) to said active position.
13. A wheel trim ( 1 ) comprising:
a base element ( 2 ) provided with holes ( 3 ); and
a cover element ( 4 ) placed on said base element ( 2 ), the cover element ( 4 ) being linked with the base element ( 2 ) by a speed activation element ( 5 ) and said cover element ( 4 ) being movable between a rest position, in which the holes ( 3 ) are not covered by the cover element ( 4 ), and an active position, in which the holes ( 3 ) are completely or partially covered by the cover element ( 4 ), when a rotating speed of the wheel is higher than a preset speed,
wherein the cover element ( 4 ) is also linked with the base element ( 2 ) by a temperature activation element ( 6 ) which moves the cover element ( 4 ) to said rest position when a temperature sensed by said temperature activation element ( 6 ) is higher than a preset temperature, and
wherein each of a first end of the temperature activation element ( 6 ) and the speed activation element ( 5 ) is fixed to the base element ( 2 ) and each of a second end of the temperature activation element ( 6 ) and the speed activation element ( 5 ) is fixed to the cover element ( 4 ), said second end being movable inside a groove ( 7 ) provided in the base element ( 2 ).
14. The wheel trim ( 1 ) according to claim 13 ,
wherein said speed activation element ( 5 ) is linked to said cover element ( 4 ) by an arm ( 10 ).
15. The wheel trim ( 1 ) according to claim 13 ,
wherein said temperature activation element ( 6 ) is linked to said cover element ( 4 ) by an arm ( 10 ).
16. The wheel trim ( 1 ) according to claim 13 , wherein the temperature activation element ( 6 ) is a spring made of a shape memory alloy.
17. The wheel trim ( 1 ) according to claim 13 , wherein the speed activation element ( 5 ) is a metallic spring or a gas cylinder.
18. The wheel trim ( 1 ) according to claim 13 , wherein the cover element ( 4 ) is attached to the base element ( 2 ) by a central bearing ( 8 ) that permits the rotation of the cover element ( 4 ) with respect to the base element ( 2 ).
19. The wheel trim ( 1 ) according to claim 13 , wherein the base element ( 2 ) comprises a plurality of retaining elements ( 9 ) for attaching the trim ( 1 ) to a wheel.
20. The wheel trim ( 1 ) according to claim 13 , wherein the speed activation element ( 5 ) comprises a body ( 50 ) at one of its ends, so that when the rotating speed of the wheel trim ( 1 ) is higher than the preset speed, the speed activation element ( 5 ) moves said cover element ( 4 ) to said active position.