Steering mechanism for motor vehicle, has electrical system for boosting steering force, and ball race drive arranged on steering rod between gearbox and electric motor

摘要

The device has an electrical device (34) for boosting the steering force. The mechanism includes a steering rod moved axially via a steering shaft (14) and gearbox (16) when the steering wheel (12) is turned. An electric motor mounted on the steering rod is controlled to drive a ball race drive depending on the torque on the steering wheel. The ball race drive is arranged on the steering rod between the gearbox and the electric motor.