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FRONT TO REAR TORQUE VECTORING AXLE WITH OVERSPEED CAPABILITY FOR VEHICLE DYNAMIC CONTROL SYSTEMS
FRONT TO REAR TORQUE VECTORING AXLE WITH OVERSPEED CAPABILITY FOR VEHICLE DYNAMIC CONTROL SYSTEMS
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机译:车辆动态控制系统的前向后转矩矢量轴具有交叉能力
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摘要
A torque bias coupling (50) for proportionally transferring driving torque to a rear secondary axle (18) of a front wheel drive based all-wheel-drive vehicle platform includes a double-planetary gear set (54) organized about a common axis (X) and a magnetic particle brake (56). The magnetic particle brake (56) is operatively coupled to a planet carrier (62) of the double-planetary gear set (54) to selectively apply a rotational reaction force there to. Regulation of the rotational reaction force enables selective transfer of torque from the vehicle driving motor (6) to the rear secondary axle (18) via the torque bias coupling (50). The configuration of the double-planetary gear set (54) enables the secondary rear axle (18) to be driven in an over-speed condition relative to the front primary axle (14) in order to improve vehicle dynamics.
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