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Soundproofing element and motor vehicle

A technology for motor vehicles and components, applied in vehicle components, transportation and packaging, etc., to solve problems such as moisture intrusion and moisture absorption

Inactive Publication Date: 2016-08-31
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, this is a possible solution that can be easily implemented, but on the other hand, damage to the membrane layer or the smallest pores caused by manufacturing, assembly or vibrations during operation can lead to the penetration of moisture into the shaped body and permanently cause moisture absorption

Method used

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  • Soundproofing element and motor vehicle
  • Soundproofing element and motor vehicle
  • Soundproofing element and motor vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] figure 1 The simplified illustration shows a motor vehicle 1 with a plurality of body parts, such as in particular fenders 2 . Here, the fender 2 is now associated with two sound-insulating elements 3 and 4, which in the figure 1 The center is shown disassembled outside the motor vehicle 1 . In the assembled state, two sound-insulating elements are arranged between the fender 2 and another body element in order to correspondingly close the gap through which airborne noise would otherwise reach the motor vehicle 1 , in particular from the engine compartment 5 of the motor vehicle 1 in the vehicle interior 6 . The sound-insulating elements 3 , 4 are designed to seal the corresponding gap in a sealing manner and to prevent the conduction of airborne noise.

[0030] The sound insulation elements 3 , 4 each have a base body made of polypropylene and two flexible sealing bodies arranged opposite one another on the base body, which are in contact with body parts of the moto...

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PUM

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Abstract

The invention relates to a soundproofing element (3, 4, 26), in particular for a motor vehicle (1), having a main body (7, 27) and at least one additional body (8, 9, 28) arranged on the main body (7, 27) and made of a material that differs from the material of the main body (7, 27). The main body (7, 27) consists of a thermoplastic material and the additional body as a flexible sealing body (8, 9, 28) consists of an elastomer.

Description

technical field [0001] The invention relates to a sound insulation element, in particular for a motor vehicle, with a base body and with at least one additional body arranged on the base body, which is made of a material different from the material of the base body. [0002] Furthermore, the invention relates to a motor vehicle with such a sound insulation element. Background technique [0003] In motor vehicle construction, especially in motor vehicle body construction, cavities are often provided (for example for lightweight construction reasons), but these cavities are often ideal air noise paths, so that air noise can pass through almost unhindered. through the cavity. As a result, noise can pass, for example, from the engine compartment into the passenger compartment of the motor vehicle almost unhindered. It is therefore known to provide such cavities with sound-insulating elements, which prevent airborne noise, for example from the engine compartment, from reaching ...

Claims

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Application Information

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IPC IPC(8): B60R13/08
CPCB60R13/08
Inventor A.黑尔默O.门德E.托普巴斯T.普雷勒
Owner VOLKSWAGEN AG