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Air inlet pipe with cyclone cylinder structure

A swirl tube and intake pipe technology, which is applied in the directions of fuel air filter, combustion air/combustion-air treatment, engine components, etc., can solve the problem of long service life, coarse filter effect can not meet the requirements of floating land use, and filter element burden. Heavy and other problems, to achieve the effect of low cost, simple structure and low system resistance

Inactive Publication Date: 2012-01-11
FAW GROUP
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AI Technical Summary

Problems solved by technology

[0003] The air intake system of traditional light vehicles adopts the structure of intake pipe and paper air filter, and most of them do not use coarse filter. Some models use blade ring type coarse filter inside the air filter. Its coarse filter effect cannot meet the use requirements of floating land, causing the filter The burden of the battery is too heavy, resulting in its long service life of no more than two days, and it will be blocked in a few hours.

Method used

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  • Air inlet pipe with cyclone cylinder structure
  • Air inlet pipe with cyclone cylinder structure

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Embodiment

[0015] Such as figure 1 with figure 2 As shown, the present invention is adopted in the intake pipeline of Jiefang light-duty vehicles, wherein the swirl vane adopts the structure of 8 blades, and the design scheme can also adopt 3 schemes consisting of 6, 8, and 10 blades. After testing and verification, 8 blades The separation of the leaves is the best.

[0016] working principle:

[0017] 1. Negative pressure is generated when the engine takes in air, and a large amount of air is sucked in. The intake air flow enters the pre-filter device, and when it passes through the swirl plate 1, it will generate high-speed rotating motion, and the particles with larger mass will be separated under the action of centrifugal force.

[0018] 2. The lower part of the cyclone cylinder 2 is provided with a dust collection chamber 4, through the action of the split flow and centrifugation, most of the dust particles in the air fall into the dust collection chamber at the lower end of the ...

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Abstract

The invention discloses an air inlet pipe with a cyclone cylinder structure. The air inlet pipe with the cyclone cylinder structure comprises an air inlet pipe. The air inlet pipe with the cyclone cylinder structure is characterized by also comprising a pre-filtration device, wherein the pre-filtration device consists of cyclone sheets, a cyclone cylinder and a dust discharge bag; the cyclone sheets are stuck and fixed on the cyclone cylinder; the dust discharge bag is fixed on the cyclone cylinder; and the pre-filtration device is arranged between an air inlet cap of the air inlet pipe and an air filter. The air inlet pipe with the cyclone cylinder structure has the characteristics of simple structure, low system resistance and low cost.

Description

technical field [0001] The invention belongs to the technical field of automobile air intake system manufacturing, in particular to an intake pipe with a swirl structure. Background technique [0002] The requirements of modern engines for air filters are: high filtration efficiency, low filtration resistance, large ash storage capacity, simple structure, easy maintenance, small size, and light weight. However, these requirements are mutually restrictive and contradictory. The above requirements must be considered comprehensively and the contradictions between them must be properly resolved in order to develop an ideal air filter. For this reason, it is very necessary to deeply study the relationship between various parameters of modern vehicle air filters. [0003] The air intake system of traditional light vehicles adopts the structure of intake pipe and paper air filter, and most of them do not use coarse filter. Some models use blade ring type coarse filter inside the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M35/022F02M35/08
Inventor 蒋岩
Owner FAW GROUP
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