| 摘要 |
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 (9, 10, 12), with a recirculating-ball spindle drive. A particularly compact and cost-effective steering servo arrangement with few components is permitted, whereby the ball nut (7) of the recirculating-ball drive is mounted coincidentally with the rotor (9), which is arranged as an external rotor.
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