Thyssenkrupp Presta Ag

Daniel Brunnschweiler

Stefan Battlogg

Christian Staudenmann

Magnus Alfredsson

An electric servo steering arrangement and method for motor vehicles with a rotational angle sensor configuration for acquisition of the position of the steering movement has a support plate rotating relative or corresponding to the steering movement, with at least one code track and at least one stationary sensor acting on the code track. The code track is disposed about the rotational axis of the support plate and has markings for generating a sequentially changing bit pattern and the 360&#xb0; of the circumference divided by the number of markings on the circumference defines a clock angle (&#x3b2;). The bit pattern is determined by a phase-shifted disposition of markings with respect to the fixed division of the clock angle (&#x3b2;).

Sensor for measuring a length or an angle

The invention relates to a steering servo for motor vehicles, with a drive unit arranged coaxially with the rack arrangement, which comprises a combination of a tubular electrical motor ( ), with a recirculating-ball spindle drive. A particularly compact and cost-effective steering servo arrangement with few components is permitted, whereby the ball nut ( ) of the recirculating-ball drive is mounted coincidentally with the rotor ( ), which is arranged as an external rotor.

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Fläsch, Switzerland

Daniel Brunnschweiler