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Electromechanical vehicle steering gear

A steering gear and appliance technology, applied in the field of servo steering gear, can solve the time-consuming and labor-intensive problems of manufacturing and installation

Active Publication Date: 2016-10-26
THYSSENKRUPP PRESTA AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The manufacture of the components used and their installation are time-consuming and labor-intensive

Method used

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  • Electromechanical vehicle steering gear
  • Electromechanical vehicle steering gear
  • Electromechanical vehicle steering gear

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] exist figure 1 A sectional view of an electrically driven motor vehicle servo steering is depicted in longitudinal section. This sectional view shows the upper half of the longitudinal section along the axis of symmetry A in the region in which the ball nut 1 engages with the threaded screw 2 . The balls 3 of the ball circulation are arranged in a known manner between the ball nut 1 and the threaded screw 2 . The ball nut 1 is rotatably mounted in a bearing 4 . The bearing 4 has an inner ring 5 which fits firmly on the bearing seat 6 of the ball nut 1 . The bearing 4 also has an outer ring 7 which is arranged in a bearing seat 8 of the carrier. In this embodiment, the carrier comprises a substantially tubular diverter housing 9 in this region, which is closed by a housing cover 10 . The housing cover 10 surrounds the steering gear housing 9 on the outside of the steering gear housing and is fastened to the steering gear housing 9 by means of fastening means, not sho...

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PUM

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Abstract

The invention relates to a servo steering gear, in particular for a motor vehicle, having a servo motor mounted rotatably in a bearing (4) in a bracket (9, 10) ) drives an axially displaceable assembly, wherein said nut (1) engages with a threaded screw (2) formed on said assembly and via said bearing (4) in the axial direction Supported elastically relative to the support (9, 10) by means of spring elements (18, 20) and supported on the support (9, 10) in the radial direction along a narrow circumferential contact surface (8, 30) ), wherein the spring elements (18, 20) are wave springs.

Description

technical field [0001] The invention relates to a servo steering, in particular for a motor vehicle, having a servomotor via a rotatably but axially immovable The nut drives the axially displaceable assembly. In a steering gear with an electric servo drive acting via a ball screw, the ball nut is either mounted rigidly in the housing or through the insertion of a spring element and in particular through the design of the housing or the bearing a certain longitudinal movement and tilting are achieved sports. A spherical bearing is likewise known in which both the bearing ring and the carrier have spherical surfaces. In this solution the center point of the sphere is structurally fixed in the center plane of the bearing. A similar function is achieved by barrel and self-aligning roller bearings, which allow for angular errors of the shaft. The purpose of these bearings is tolerance compensation, thereby avoiding straining of the threaded screw. In addition, the dynamic and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/04F16H25/24F16C27/04
CPCB62D5/0448F16C2326/24F16C27/066F16H2025/2445F16C25/083B62D5/0403
Inventor 亚历山大·基福留克丹尼斯·孔特纳盖尔盖伊·拉斯洛
Owner THYSSENKRUPP PRESTA AG