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Spring devices for motor wheel suspensions

A motor vehicle and suspension technology, which is applied in the field of spring devices for motor wheel suspension, can solve the problems of being unable to be installed, high filling density of torsion regulators, and lowering, so as to achieve the reduction of spring stiffness and torsional load Effect

Active Publication Date: 2015-08-12
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, especially in small car series where a reduction in the overall spring rate is unavoidable, this type of torsion adjuster cannot be installed due to the high packing density

Method used

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  • Spring devices for motor wheel suspensions
  • Spring devices for motor wheel suspensions
  • Spring devices for motor wheel suspensions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 "10" denotes the lower plane of the wheel suspension on the left side of the motor vehicle with a lower transverse control arm 12 which is hinged on the one hand to a subframe 14 which is only partly shown and on the other hand It is hinged on a not shown hub carrier for the rear wheel 16 . The transverse control arm or control arm guiding the upper part of the hub carrier is not shown.

[0026] figure 1 The wheel suspension on the left shown in has a split spring-damper arrangement with a damper 24 which is connected to only figure 2 The equivalent model shows the load spring 20 apart. according to figure 1 , the axle adjuster according to the invention comprises a torsion bar 22 extending in the transverse direction of the vehicle, which acts as a secondary spring whose construction will be described.

[0027] The telescopic shock absorber 24 is supported on the lower transverse control arm 12 and above, in a manner not shown in detail, on the body 26 o...

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Abstract

An axle actuator for a wheel suspension of a motor vehicle includes an output lever, a torsion bar spring acting on a wheel side upon the output lever, and a rotary actuator adapted to adjust a tension of the torsion bar spring. A coupler links the output lever to a wheel guide element of the wheel suspension and is configured as a spring with defined spring rate and connected by joints with the output lever and the wheel guide element.

Description

technical field [0001] The invention relates to an axle adjuster for a motor vehicle wheel suspension, comprising a torsion bar spring, the preload of which can be adjusted by means of a torsion adjuster, wherein the torsion bar spring is on the wheel side It acts on the driven lever, which is articulated to the wheel guide element of the wheel suspension via in particular an upstanding connecting rod, which is connected to the driven lever and to the wheel guide element via an articulation. This axle adjuster can be used on both the front and rear axles. Such an axle adjuster can be provided for each wheel, whereby the active forces of each wheel can be adjusted. Background technique [0002] Such an axle adjuster is known, for example, from DE 10 2009 005 899 A1. The axle adjuster has a torsion bar spring that can be actuated by means of an actuator, which extends approximately to the transverse center of the vehicle in the transverse direction of the vehicle and acts on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G17/033B60G11/18B60G21/055B60G21/10
CPCB60G17/025B60G2500/20
Inventor W·迈克尔
Owner AUDI AG
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