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Wheel suspension for the rear wheels of a motor vehicle

A technology of wheel suspension and wheel bracket, which is applied in the direction of suspension, elastic suspension, vehicle components, etc., and can solve problems such as the influence of wheel position changes

Inactive Publication Date: 2009-06-24
DR ING H C F PORSCHE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

in dumping force for wheel brackets , this configuration can lead to tension in the bearing elasticity, which can also lead to changes in the wheel position under the influence of braking, lateral and driving forces

Method used

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  • Wheel suspension for the rear wheels of a motor vehicle
  • Wheel suspension for the rear wheels of a motor vehicle
  • Wheel suspension for the rear wheels of a motor vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The wheel suspension 1 for the rear wheels 2 of the motor vehicle comprises three separate individual links 3 , 4 and 5 in the upper link plane L1 , wherein the individual link 3 forms a tie rod. The lower link plane L2 is formed by a triangular suspension arm 6 carrying a damping strut 7 and a pneumatic or helical spring 8 separated therefrom.

[0034] In the lower link plane L2, the triangular suspension arm 6 on the wheel carrier 9—with reference to the direction of travel F—is articulated on the wheel carrier behind the vertical wheel center transverse plane x-x and below the horizontal wheel center plane z-z Side bearing 10. The triangular suspension arm frame 6 is arranged directly under the independent guide rods 3, 4 and 5, and the bearings 11 and 12 on the vehicle body side are located inside the outer steering tie rod 3 and the outer independent guide rod 5, or spatially composed of The outer tie rod 3 and the outer independent guide rod 5 are defined.

[00...

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PUM

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Abstract

The present invention provides a wheel suspension for the rear wheels of a motor vehicle, with three links being provided in an upper link plane, and with a foremost link as viewed in the direction of travel being provided as a track rod and the two further links being provided as separate individual links at both sides of a vertical wheel central transverse plane. A triangular link is arranged in the lower link plane, which triangular link holds a spiral or air spring and a damper strut spaced apart from one another. By corresponding pole formations defined by the links, elastokinematic or imaginary pivot axes are formed, which permits an elastokinematic adjustment of the wheel in a toe-in sense under the influence of braking forces, side forces and load shift forces. The wheel suspension is also configured such that an elastokinematic adjustment of the wheel in a toe-out sense is obtained in the event of wheel loads and drive forces.

Description

technical field [0001] The invention relates to a wheel suspension for a rear wheel of a car. Background technique [0002] A wheel suspension is known from DE 100 05 407 A1, which also includes a lower triangular suspension arm (Dreieckslenker) as well as an upper tie rod and two further separate links (Einzellenker). Due to the lateral proximity of the triangular suspension arms to the individual links, this wheel suspension requires a relatively large space requirement in the limited installation space of the vehicle. Depending on the position of the triangular suspension arms, it is also necessary for the individual links to have a high sweep and cross the tie rods. in dumping force for wheel brackets At this time, this configuration can lead to tension in the bearing elasticity, which can also lead to changes in the wheel position under the influence of braking forces, side forces and driving forces. In particular, a wheel suspension for the rear wheels of a motor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G3/20
CPCB60G2200/18B60G2204/143B60G3/20B60G2200/462B60G2200/184
Inventor W·弗拉施R·库内尔特
Owner DR ING H C F PORSCHE AG