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Filter muffler

A technology for filtering mufflers and mufflers, which is applied in the direction of intake mufflers, combined air filters and mufflers, machines/engines, etc., and can solve problems such as pressure loss and a large number of components

Inactive Publication Date: 2010-09-01
MAN ENERGY SOLUTIONS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] But in these known filter mufflers, the number of components is high and there is an unwelcome pressure loss absorbed by the compressor

Method used

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Examples

Experimental program
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Embodiment Construction

[0016] figure 1 Shown is a substantially cylindrical filter silencer 20, the housing of which essentially consists of a front wall 1 and a rear wall 2 which can be connected to a compressor not shown here. The cylindrical housing 4 is closed.

[0017] In order to buffer the sound waves from the compressor, a plurality of, in this embodiment, two ring-shaped silencing elements 5,6 are provided in the casing, and the annular silencing elements 5,6 are designed as an outer silencing element 5 and an external silencing element 5. The form of the inner sound-absorbing elements 6, which are arranged coaxially with each other and at a distance from each other, and which comprise the front wall 1 and the rear wall 2-they are used to pass through the cylindrical shell 4 of the shell perpendicular to the axis of the silencer shell 20 In the case of incoming fresh air, a substantially coaxial and labyrinthine flow channel 21 is formed between them, so that the fresh air flows at least a...

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PUM

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Abstract

The invention relates to a filtering silencer at the intaking side of the waste gas turbocharger air compressor, including cylinder silencer casing constituted of a front wall and a rear wall connected to the compressor which seal an external cylinder cover produced by an orifice plate, and a plurality of ring silencing elements disposed in the cavity of the silencer housing. Wherein, the elementnumbers obviously decrease, the compressor suction air pressure loss is low, the speed field of the suction air in the outlet hole of the filtering silencer, and the sound level of the compressor is lowered. It is suggested that the ring silencing element is in the form of at least an external silencing element and at least an internal silencing element, comprises a front wall and a rear wall which makes up the flowing passage extending like labyrinth so as to make the fresh air at least surround the external silencing element and flow to the compressor.

Description

technical field [0001] The invention relates to a filter muffler on the intake side of a compressor of an exhaust gas turbocharger ( ). Background technique [0002] Exhaust turbochargers for supercharging internal combustion engines, especially large diesel engines, include a compressor which emits the main sound level of the exhaust turbocharger when performing its function. It is therefore necessary to reduce this sound level of the compressor suction by means of an effective filter muffler. [0003] Filter silencers of this type use, for example, the suction side of a compressor which compresses the combustion air and supplies it to the internal combustion engine. One such compressor is driven by the exhaust gas turbine of the exhaust gas turbocharger. [0004] Nevertheless, optimum parameters of the compressor must also be achieved, for which purpose the pressure loss of the compressor suction must be minimized and the most favorable possible speed distribution of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/12F04D29/66
CPCF02B3/06F02M35/1211F02M35/02483F04D29/664F02B37/00F02M35/14F04B39/00F04B53/00
Inventor D·杰拉贝克J·克利马
Owner MAN ENERGY SOLUTIONS SA
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