1. A rolling bearing assembly equipped with an electric power generator, which assembly comprises:
first and second member rotatable relative to each other through rolling elements;
an electric power generator capable of generating an electric power by a relative rotation between the first and second members, and having a yoke of a magnetic material that forms a space closed in radial and axial directions; and
an electric circuit disposed within the closed space of the yoke and utilizing the electric power generated by the electric power generator,
wherein the electric circuit is mounted on an electric circuit substrate and the electric power generator includes a coil bobbin arranged within the closed space of the yoke, the electric circuit substrate forming a part of the coil bobbin.
2. The rolling bearing assembly equipped with the electric power generator as claimed in claim 1, wherein the first and second members are inner and outer members, respectively.
3. The rolling bearing assembly equipped with the electric power generator as claimed in claim 2, wherein the electric power generator includes a multi-pole magnet assembly having a plurality of alternating magnetic poles arranged in a circumferential direction, and a magnetic ring assembly accommodating a coil therein and defining a yoke confronting the multi-pole magnet assembly, the multi-pole magnet assembly being mounted on one of the inner and outer members while the magnetic ring assembly is mounted on the other of the inner and outer members.
4. The rolling bearing assembly equipped with the electric power generator as claimed in claim 1, further comprising a wireless transmission device for transmitting wireless one of a rotational speed detection signal outputted by the electric power generator and an output signal from a sensor that operates using as an electric power source the electric power generated by the electric power generator, and wherein the electric circuit disposed in the yoke includes one of a rectifier circuit for rectifying a generated electric current, a signal processing circuit and a transmitter circuit of the wireless transmission device.
5. The rolling bearing assembly equipped with the electric power generator as claimed in claim 1, wherein the electric circuit is mounted on an electric circuit substrate and the electric power generator includes a coil bobbin, the electric circuit substrate being mounted on the coil bobbin.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Truck having a cabin, the cabin having a roof and air aerodynamic roof deflector panel mounted on the roof and covering at least partly the roof thereby delimiting a space extending between the roof and the panel, wherein the panel comprises at least a member movable between a first position and a second position, wherein in the second position, an air passage is created in front of the space, whereas in the first position, the air passage is closed or substantially closed.
2. Truck according to claim 1, wherein, in the first position of the movable member, a front edge of the movable member, extending in a substantially horizontal direction, is close to or in contact with the roof, and in the second position, the front edge is remote from the roof, at a distance of the roof larger than 30 mm, preferably larger than 60 mm.
3. Truck according to claim 1, wherein, in the second position of the movable member at least one side edge (841) of the member is remote from a lateral surface of the cabin.
4. Truck according to claim 2, wherein the distance between the front edge of the movable member and the roof is adjustable.
5. Truck according to claim 1, wherein it comprises means, in particular fans, to initiate convection heat exchanges between air and the roof of the cabin in the space extending between the roof and the panel.
6. Truck according to claim 1, wherein it comprises means to seal a junction zone between the member and the roof of the cabin.
7. Truck according to claim 6, wherein the means to seal the junction comprise a sealing gasket andor compressible foam adapted to lay in a sealed manner between, on the one hand, the front edge andor a side edge (841) of the member and, on the other hand, the roof of the cabin.
8. Truck according to claim 1, wherein the movable member can be moved into air intermediate position, in which the distance between the front edge of the movable member and the roof is lower than in the second position.
9. Truck according to claim 1, wherein the movable member is the totality of the panel.
10. Truck according to claim 9, wherein it comprises sliders and at least one actuator adapted to move the panel in translation (A3) along the sliders from its first position to its second position.
11. Truck according to claim 9, wherein it comprises one or several actuators adapted to elevate the panel relative to the roof of the cabin and to move the panel to air advanced position relative to the roof of the cabin.
12. Truck according to claim 11, wherein the panel is mounted on the roof of the cabin thanks to articulated arms, and wherein it comprises at least one actuator adapted to simultaneously elevate the panel relative to the roof of the cabin and move the panel forward relative to the roof of the cabin.
13. Truck according to claim 1, wherein the or each movable member is a flap consisting in or comprising a portion of the panel.
14. Truck according to claim 13, wherein it comprises several flaps mounted in the vicinity of the front side of the cabin and in the vicinity of lateral surfaces of the cabin.
15. Truck according to claim 1, wherein it comprises means to move the movable member with respect to the roof on the basis of parameters representing the operating state of the truck andor a temperature measured in the cabin, in the space extending between the panel and the roof andor in the ambient air.
16. Method for controlling a truck having a cabin, the cabin having a roof and air aerodynamic roof deflector panel mounted on the roof and substantially parallel to the roof, comprising moving at least a portion of the panel from a first position to a second position, wherein in the second position, an air passage is created in front of a space extending between the roof and the panel whereas, in the first position, the air passage is closed or substantially closed.
17. Method according to claim 16, wherein the step of moving the portion of the panel from its first position to its second position is implemented when air internal combustion engine of the truck is shut down andor hen a park brake is activated.
18. Method according to claim 16, wherein the step of moving the portion of the panel from its first position to its second position is implemented when a temperature, measured in the cabin, in the space extending between the panel and the roof, andor in the ambient air, reaches a threshold value.