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Thrust bearing and suspension for vehicle

A technology of thrust bearings and suspensions, which is applied in the direction of suspensions, ball bearings, elastic suspensions, etc., and can solve the problems of thrust bearing life and harmful effects of penetrating suspensions

Active Publication Date: 2012-05-23
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, in some cases, such as when the vehicle is driven along a flooded road or when the vehicle is washed with high-pressure water jets, water or other contamination particles may penetrate into the rolling bearings and have a detrimental effect on the life of the suspension thrust bearings

Method used

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  • Thrust bearing and suspension for vehicle
  • Thrust bearing and suspension for vehicle
  • Thrust bearing and suspension for vehicle

Examples

Experimental program
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Embodiment Construction

[0027] figure 1 There is shown a suspension thrust bearing arrangement generally indicated by 10 which is designed to be mounted between a chassis element of a motor vehicle and a helical suspension spring 12 . The device 10 is arranged around a shock absorber rod 14 having an axis 16 assumed to be vertical, said rod being axially elongated in the form of a cylinder of revolution. A suspension spring 12 is mounted around a shock absorber rod 14 .

[0028] The device 10 having the axis 16 comprises: an upper bearing cap 18 designed to come into contact against a filter-aid elastic mass interposed between said device and the chassis of the vehicle; a lower support forming a bearing mechanism for the spring 12 covers 20 ; and rolling bearings 22 arranged axially between said covers and forming axial thrust bearings.

[0029] The bearing cover 18 can consist of a one-piece part made of plastic, for example polyamide PA 6.6, optionally reinforced with glass fibres. The bearing c...

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PUM

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Abstract

The suspension thrust bearing device for a motor vehicle comprises a rolling bearing 22 forming an axial thrust bearing and provided with an upper ring, with a lower ring and with at least one row of rolling elements arranged between the rings, a bearing cap 18 in contact with the upper ring, and a support cap 20 in contact with the lower ring and forming a bearing means for a suspension spring. The support cap 20 comprises a body 32 of rigid material and seals 46, 48 of flexible material fixed to the body and comprising dynamic sealing lips 56, 62 in frictional contact with the bearing cap or one of the rings of the rolling bearing and delimiting radially a sealed space 64 containing at least the rolling elements of the rolling bearing. The support cap 20 further comprises an annular ring 50 to which the lower ends of the seals are connected and forming a bearing surface 50a for the suspension spring.

Description

technical field [0001] The invention relates to the field of suspension thrust bearing arrangements, in particular for use in suspension struts of steered wheels in motor vehicles. [0002] The present invention more particularly relates to a suspension thrust bearing device comprising an upper ring and a lower ring, between which at least one row of rolling elements such as balls or rollers is arranged. The upper and lower rings are typically mounted to contact upper and lower supports or supports, such as cups or lids. The upper and lower covers form a housing for the ring of the rolling bearing and provide an interface between the ring and surrounding elements. Background technique [0003] The suspension thrust bearing device is disposed in an upper portion of a suspension strut between a vehicle body shell and a suspension spring. The spring is mounted around a shock absorber piston rod, the end of which is connected to the body shell of the vehicle via a resilient ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G15/06F16C19/10F16C33/76F16J15/3204F16J15/3232F16J15/3248
CPCB60G2204/418F16C33/761B60G15/067F16C19/10F16C33/60F16C2326/05
Inventor R.科贝特J.杜布斯B.蒙特博尤夫S.维奥尔特
Owner AB SKF
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