Servodirección eléctrica de automóvil con un engranaje de bolas circulantes

摘要

The invention relates to an electrical power-assisted steering system for motor vehicles, having an electrical drive motor coupled to an axially movable toothed rod (1) by means of a recirculating ball gear mechanism in order to generate a linear force, wherein the recirculating ball gear comprises a ball nut (11) rotatably mounted in a rolling bearing (14) in a steering housing, and wherein the rolling bearing (14) comprises an outer ring (31) fixed in a movable fashion in the steering housing by an elastic holding means (28), wherein the elastic holding means is a disc spring.