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Air suspension strut having a reinforcing core in the cover

A technology of air springs and reinforcing cores, used in springs, vehicle springs, springs/shock absorbers, etc.

Active Publication Date: 2020-07-17
CONTINENTAL AUTOMOTIVE TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, this solution has the disadvantage that, for pressure resistance, a pressure-resistant connection between the built-in metal flange and the pressure-resistant cover sleeve facing the inside of the cover is required

Method used

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  • Air suspension strut having a reinforcing core in the cover
  • Air suspension strut having a reinforcing core in the cover
  • Air suspension strut having a reinforcing core in the cover

Examples

Experimental program
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Embodiment Construction

[0048] Figure 1 shows a known air spring strut assembly 1, the main components of which are an air spring 2 and a damper 3, wherein the air spring 2 includes an air spring cover 4, a rolling piston 5 and a rolling air bag 6, and a sleeve The outer guide portion 7 of the rolling airbag is cylindrically surrounded. A damper 3 is arranged in the air spring 2 , wherein the damper 3 comprises a damper tube 14 , a piston rod 15 which can be sunk into the damper tube, and a damper carrier 11 .

[0049] The air spring strut assembly 1 acts in two functional areas, on the one hand the air spring 2 provides the generation of the load-carrying force, and on the other hand the damper 3 takes care of the linear guidance. The air spring strut assembly 1 can be fastened on the one side to the body of the motor vehicle by means of fastening means on the air spring cover 4 and on the other side to the wheel carrier of the motor vehicle chassis via damper eyelets (not shown) on, thereby elasti...

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Abstract

The invention relates to an air suspension strut (1) for a motor vehicle, comprising an air spring (2) with a shock absorber (3) for suspension and damping of vibrations of a motor vehicle chassis, wherein the air spring (2) comprises an air spring cover (4, 40) and a rolling piston (5), wherein a rolling bellows (6) composed of elastomeric material is clamped in an air-tight manner between the air spring cover (4, 40) and the rolling piston (5), wherein the air spring cover (4, 40) comprises a shock-absorber bearing receptacle (43) which has a base (44) and in which a shock-absorber bearing (11) of the shock absorber (3) is located, and wherein the air spring cover (4, 40) comprises a clamping base (50) to which a first end of the rolling bellows (6) is connected, wherein the air spring cover (40) is manufactured from a plastic material and comprises a reinforcing core (60) in order to increase the strength of the shock-absorber bearing receptacle (43), said reinforcing core being located in the base (44) of the shock-absorber bearing receptacle (43) and being at least partially surrounded by the plastic material of the air spring cover (40).

Description

technical field [0001] The invention relates to an air spring strut assembly according to the preamble of claim 1 . Background technique [0002] For example, an air spring strut assembly known from DE 10 2012 012 902 A1 is arranged between the chassis of the motor vehicle, more precisely the wheel carrier, and the body of the motor vehicle. Air spring strut assemblies typically include an air spring and a damper. In this case, the air spring acts as an elastic support for the wheel, while the damper damps vibrations of the wheel or of the motor vehicle body. [0003] The air spring essentially comprises an air spring cover, a rolling piston and a rolling airbag clamped gas-tight between them, thereby delimiting a working chamber under air pressure. The rolling airbag is surrounded by a sleeve-shaped outer guide and rolls up on the concentric rolling piston with the formation of folds during elastic compression. The air spring strut assembly is connected to the motor vehi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/08B60G15/14F16F9/084
CPCF16F9/084B60G2204/128B60G2206/424B60G2206/7101B60G2206/7104F16F2224/0241B60G15/12B60G2202/314B60G2204/126B60G2206/8201B60G2204/1262B60G2204/418B60G2206/73B60G2206/81012
Inventor K·M·劳滕伯格
Owner CONTINENTAL AUTOMOTIVE TECH GMBH
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