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Noise damper for a compressed air system of a vehicle, in particular a utility vehicle

A technology for compressed air and dampers, applied in the field of noise dampers, can solve the problems of unavoidable, high back pressure of noise dampers, and lower noise damping efficiency, and achieves low cost, small dead zone share, and slow flow speed. Effect

Inactive Publication Date: 2018-11-23
KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the efficiency of noise damping is greatly reduced
[0014] In addition, it cannot be ruled out in the case of compressed air exhaust systems that the compressed air permeability of the noise-damping elements inside the housing (such as knitwear or the like) decreases after a longer operating time, for example due to condensate freezing or oil Carbon deposition
This results in a higher back pressure inside the noise damper

Method used

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  • Noise damper for a compressed air system of a vehicle, in particular a utility vehicle
  • Noise damper for a compressed air system of a vehicle, in particular a utility vehicle
  • Noise damper for a compressed air system of a vehicle, in particular a utility vehicle

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Embodiment Construction

[0039] figure 1 A first exemplary embodiment according to the invention of a noise damper 10 for a compressed air system of a vehicle, here a commercial vehicle, is shown in a schematic sectional illustration.

[0040] The noise damper 10 is a noise damper used in conjunction with an air handling device of an air brake device of a commercial vehicle.

[0041] The noise damper 10 has a multi-part housing 12 consisting of a housing cover 14 , a housing outer pot 16 and a housing insert 18 which forms a housing upper part 18 .

[0042] At one end thereof, the housing cover 14 has an accessory socket 20 in which an air inlet 22 of the noise damper 10 is arranged.

[0043] The air inlet 22 leads to an enlarged diameter in the housing cover 14 , wherein the enlarged diameter forms an inflow space 24 in conjunction with the housing upper part 18 .

[0044] A plurality of guide ribs 26 are arranged in the inflow space 24 .

[0045] In addition, a pressure relief valve unit 28 is ar...

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Abstract

The present invention relates to a noise damper (10) for a compressed air system of a vehicle, in particular a utility vehicle, comprising a housing (12), at least one air inlet (22) and at least oneair outlet (54) as well as a labyrinth-like insulation structure (48) arranged in the housing (12).

Description

technical field [0001] The invention relates to a noise damper for a compressed air system of a vehicle, in particular a commercial vehicle. Background technique [0002] Noise dampers for compressed air systems of vehicles, in particular commercial vehicles, are known from the prior art, which comprise a housing and a partition. The housing has an air inlet and an air outlet, and the spacer is disposed within the housing. [0003] Such noise dampers are used in particular to dampen the noise of the air handling system of the brake system of a commercial vehicle, such as a truck. [0004] Noise damping is achieved in particular by the flow of air from the air inlet through the partition to the air outlet. [0005] These noise dampers are particularly suitable for applications in which the noise generated in a compressed air system when the air is discharged from the compressed air system can be reduced. [0006] Such noise dampers are known inter alia from EP 0 565 136 A2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T17/00
CPCB60T17/008F16L55/033G10K11/161
Inventor I·艾代米尔
Owner KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH