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Steering actuator for a motor vehicle and method for use of such a steering actuator

A technology for actuators and motor vehicles, which can be applied to mechanical steering gears, motor vehicles, electric steering mechanisms, etc., and can solve problems such as large structural space

Pending Publication Date: 2022-04-12
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the sliding surface cannot be arranged opposite the screw section here, but must be supported in front of and / or behind the screw section, the installation space required is relatively large

Method used

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  • Steering actuator for a motor vehicle and method for use of such a steering actuator
  • Steering actuator for a motor vehicle and method for use of such a steering actuator
  • Steering actuator for a motor vehicle and method for use of such a steering actuator

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Embodiment Construction

[0035] figure 1 A steering actuator 1 according to one embodiment of the invention is shown. The steering actuator 1 has an actuator rod 2 which can also be called a steering rod, an actuator drive 3 (see FIG. 6 ) and a housing 4 which at least partially surrounds the actuator rod 2 and the actuator. Drive 3, such as an electric motor. The housing 4 preferably has a plurality of fastening elements 5 by means of which the housing can be fastened to the vehicle body. Furthermore, the housing 4 has an opening 6 in the axial direction for connecting the actuator rod 2 via a coupling unit 7 , here for example a ball joint 8 , to a wheel of a motor vehicle (not shown). The steering rod 9 is coupled.

[0036] The actuator rod 2 is partially designed as a screw 10 which, together with a surrounding nut 11 , forms a switching gear 12 (see FIG. 6 ). The surrounding nut 11 is rotationally coupled to the actuator drive 3 and cooperates with the threaded rod 10 of the actuator rod 2 su...

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PUM

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Abstract

The invention relates to a steering actuator (1) for a motor vehicle, comprising an actuator rod (2) which can be coupled at least at one axial end to a steering pull rod (9), an actuator drive (3) which is coupled to the actuator rod (2) and which is arranged to move the actuator rod (2) in the axial direction, and a housing (4), a housing (4) at least partially encloses the actuator rod (2) and the actuator drive (3), the housing (4) having an opening (6) for an axial end of the actuator rod (2), at least one sliding sleeve (14) being arranged between the actuator rod (2) and the housing (4), the sliding sleeve (14) being movable relative to the actuator rod (2) and relative to the housing (4) in an axial direction.

Description

technical field [0001] The invention relates to a steering actuator or a steering gear for a motor vehicle and to the use of such a steering actuator in a motor vehicle. Background technique [0002] Steering actuators or steering gears for motor vehicles have been known for a long time. Purely mechanical steering actuators have a mechanical coupling between the steering wheel and the wheels guided by the steering wheel, wherein the steering movement of the steering wheel is mechanically transmitted via the steering column to the steering rod and thus to the on steered wheels. In so-called steer-by-wire systems, the steering movement of the steering wheel is detected by sensors and transmitted to the control unit. The control unit in turn controls the movement of the steering rod and thus the steered wheels via the steering actuator based on the detected steering movement. [0003] In steer-by-wire devices, different designs are known for converting the rotational movemen...

Claims

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Application Information

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IPC IPC(8): B62D3/06B62D5/04B62D7/20F16H25/20
CPCF16H25/20B62D5/0427B62D7/148B62D5/0445F16C9/04F16C29/02F16C2326/24
Inventor 马丁·沃纳姆马克西米利安·博塞克
Owner SCHAEFFLER TECH AG & CO KG
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