Abstract:
A wheel connecting assembly for an automobile which includes a wheel carrier and a support having a guide member for guiding the wheel carrier in translational movement relative to the support. The support has journals for mounting the support on the chassis of a vehicle. The wheel carrier is mounted on the guide member by means of a bar sliding in the guide member. The assembly includes a spring and an electromechanical device capable of being operated in order to control the deflecting movements of the suspension.
Abstract:
A suspension assembly of a motor vehicle which assemble includes a wheel carrier and a guide member to guide the wheel carrier in relative translation. The wheel carrier is mounted on the guide member by means of a bar sliding in the guide member guided by rollers turning on roller ways arranged on the bar. The assembly includes a spiral spring acting between the bar of the wheel carrier and a guide member of an electromechanical machine that is operated to control the suspension deflection movements.
Abstract:
A vehicle having a suspended body (1), at least two wheels (2) each mounted on a wheel support. Each wheel support is mounted on a suspension device (5) comprising a suspension support (4) and means for guiding the wheel support relative to the suspension support. The suspension device allows a vertical displacement of the wheel support relative to the suspension support, the size of the displacement being sufficient to produce the vertical suspension movement required. At least one wheel is arranged transversely on one side of the body and at least one other wheel is arranged on the other side of the body. Each suspension support is connected to the body by a height variation mechanism (3, 7, 11, 12) which allows the relative height of the suspension support relative to the body (1) to be varied. Each height variation mechanism is actuated by height control means (15, 16, 17, 18). The vehicle has centralised control means (19) for the height control means, and the action of the height control means on each side of the body is coordinated so that on that side of the body, the relative height of each suspension support is varied simultaneously.
Abstract:
The structural platform (11) of the vehicle comprises two tanks (T1) and (T2) for the storage on a vehicle of fluids under pressure. Each tank comprises at least one network of cells (2) connected to one another via orifices (3), the orifices being conformed so that the flow of fluid caused by the consumption of fluid necessary for the use of the vehicle exhibits only pressure drops which do not affect the use, and being conformed so that, in the event of rupture of one or more cells (2), the leakage flow causes sufficiently large pressure drops to limit the flow thereof.
Abstract:
A vehicle having a suspended body (1), at least two wheels (2) each mounted on a wheel support. Each wheel support is mounted on a suspension device (5) comprising a suspension support (4) and means for guiding the wheel support relative to the suspension support. The suspension device allows a vertical displacement of the wheel support relative to the suspension support, the size of the displacement being sufficient to produce the vertical suspension movement required. At least one wheel is arranged transversely on one side of the body and at least one other wheel is arranged on the other side of the body. Each suspension support is connected to the body by a height variation mechanism (3, 7, 11, 12) which allows the relative height of the suspension support relative to the body (1) to be varied. Each height variation mechanism is actuated by height control means (15, 16, 17, 18). The vehicle has centralised control means (19) for the height control means, and the action of the height control means on each side of the body is coordinated so that on that side of the body, the relative height of each suspension support is varied simultaneously.
Abstract:
A control system for controlling a vehicle includes a wheel speed indicator for each of at least two wheels of the vehicle, a vehicle speed indicator, and a processor programmed to include a validation unit. The validation unit performs a first test of a road grip condition of each wheel based on slip information of the vehicle. The vehicle speed indicator produces an instantaneous vehicle speed estimation based on at least one circumferential wheel speed indication ascertained by the validation unit of the processor.
Abstract:
Motorized hub for an electrically powered motor vehicle comprising a wheel hub mounted to rotate about a hub axis, and an electric traction unit comprising an external stator connected to a hub carrier and an internal rotor (31) whose axis of rotation is distant from the hub axis. The motorized hub comprises reduction means acting between shaft (33) of rotor (31), friction braking means, and a braking rotor secured to the hub. The reduction means comprise a drive pinion connected to the rotor (31) and a ring gear connected to the hub. A brake shaft passes through the hub carrier to connect the braking rotor to the hub. The reduction means comprise two reduction stages and the hub is mounted so that it can rotate via rolling-contact hub bearings positioned around a stub axle of the hub carrier, the brake shaft passing axially through a cavity of the stub axle.
Abstract:
A system for producing an estimation of the overall speed of a vehicle relative to the ground is described which comprises the generation of a measurement of the instantaneous road grip coefficient (μr) of at least one wheel (1) of a vehicle with electric traction wherein a rotary electric machine (2) is coupled to said wheel to drive it individually in traction and in braking. This system comprises an indicator of the torque applied at each instant to that wheel based on the measurement of the current (Ic) in the electric machine, an indicator of the instantaneous dynamic load on said wheel and a stage for calculating the instantaneous road grip coefficient of said wheel (1) relative to the ground based on the torque indicator and the dynamic load indicator in order to determine the ratio of the tangential force applied to the ground by the wheel under the action of said torque to the normal force applied to the ground by the wheel under the action of the dynamic load. One or more tests of the value of the duly calculated road grip coefficient are used to validate the ability of a measurement of the corresponding circumferential wheel speed to supply an adequate approximation of the speed of advance of the vehicle in the position of that wheel.
Abstract:
A motorized hub for electric powering of an axle of a hybrid drive automotive vehicle, said motorized hub comprising a hub designed to receive a wheel, the hub being mounted rotationally relative to a hub carrier about a hub axis, the motorized hub comprising an electric drive motor, the electric motor comprising an external stator connected to the hub carrier and an internal rotor whose axis of rotation is remote from the hub axis, the motorized hub comprising reduction means acting between the rotor of the electric motor and the hub, the motorized hub comprising coupling/uncoupling means capable of adopting a coupling position in which rotation of the electric motor is coupled to the rotation of the hub and an uncoupling position in which rotation of the electric motor is uncoupled from the rotation of the hub, the motorized hub being characterized in that the coupling/decoupling means are arranged between the reduction means and the hub.
Abstract:
A motorized hub (1) for an electric traction automobile vehicle, said motorized hub comprising a hub (9) adapted to receive a wheel (2), the hub being mounted to rotate relative to a hub-carrier (7) about a hub axis. The motorized hub comprises a traction electric machine having an external stator (32) fastened to the hub-carrier and an internal rotor (31) the rotation axis of which is spaced from the hub axis and parallel to said hub axis. The motorized hub comprises reduction means (6) operating between the rotor of the electric machine and the hub and friction braking means, the brake rotor (5) being fastened to the hub and disposed axially on the vehicle interior side relative to the reduction means. The shaft of the rotor (31) of the electric machine being placed radially outside the brake rotor and extending axially from the reduction means toward the interior of the vehicle.