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Exhaust muffler for non-road mobile machinery and non-road mobile machinery

An exhaust muffler, non-road technology, applied in the direction of mechanical equipment, exhaust devices, engine components, etc., can solve the problems of not having, reducing engine exhaust smoke, etc., to achieve the effect of reducing exhaust smoke and reducing pollution

Active Publication Date: 2022-04-01
QINGDAO LOVOL EXCAVATOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The inventor found that the exhaust muffler for non-road mobile machinery only has the effect of muffler, without any treatment measures for the particulate matter produced by engine combustion, and does not have the effect of reducing engine exhaust smoke

Method used

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  • Exhaust muffler for non-road mobile machinery and non-road mobile machinery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In a typical embodiment of the present invention, such as figure 1 As shown, this embodiment discloses a muffler, including a muffler body and a cyclone separation device connected to the muffler body, and also includes a particle collection device connected to the cyclone separation device, adding a cyclone separation device to the exhaust muffler, Through the matching analysis and design of the exhaust flow and the exhaust channel, the exhaust flow rate reaches a certain value, and at the same time a swirl flow is formed, and the larger particles in the exhaust are thrown to the pipe wall of the swirl device by means of centrifugal force. Slides down into the particle collection device at the bottom.

[0025] More specifically, the muffler body in this embodiment includes two communicating shells. In this embodiment, the two shells are respectively named as the first shell 8 and the second shell 2, wherein the first The casing has a first diameter and a first length,...

Embodiment 2

[0039]In a typical implementation of the present invention, a muffler is provided. The difference from Example 1 is that in Example 2, a deflector is installed inside the third housing 5, and the deflector is The arc-shaped plate and the deflector are used to assist the fluid to form a swirling flow in the third housing 5 .

Embodiment 3

[0041] In a typical implementation of the present invention, a muffler is provided. The difference from Embodiment 1 is that in Embodiment 3, the bucket-shaped body 6 directly communicates with the first casing.

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Abstract

This embodiment discloses an exhaust muffler for non-road mobile machinery, which belongs to the field of mufflers, and can enable the muffler to simultaneously have a processing function for engine combustion emissions, including a first casing, a second casing, a third casing and Bucket-shaped body, the first shell is vertically connected to the second shell, the muffler inlet is set at one end of the first shell, the muffler outlet is set at the top of the second shell, and the third shell is vertically or obliquely connected to the first shell At the end away from the muffler inlet, the bucket communicates with the third housing.

Description

technical field [0001] The invention belongs to the field of mufflers, and in particular relates to an exhaust muffler for non-road mobile machinery and non-road mobile machinery. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The muffler refers to the air duct with noise transmission at the same time, which can use noise reduction devices such as pipes and elbows with sound-absorbing linings or pipes with sudden changes in cross-sectional area and other pipes with discontinuous acoustic impedance to attenuate the noise in the pipe or Reflect back. The former is called a resistive muffler, the latter is called a resistive muffler, and there are also impedance composite mufflers. [0004] Non-road mobile machinery refers to the in-use non-road mobile machinery of the national standard and below, mainly including but not limited to the following t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N1/08F01N3/037
CPCF01N1/081F01N3/037
Inventor 宋凯王洪云孙艳宁王钦玉兰云波
Owner QINGDAO LOVOL EXCAVATOR