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Resonant cavity in engine intake system

A technology of air intake system and resonant cavity, which is applied in the field of resonant cavity, can solve the problem of large space occupied by the resonant cavity, and achieve the effects of reduced space, more convenient layout, and compact structure

Active Publication Date: 2016-04-06
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a resonant cavity in an engine intake system to solve the problem that the resonant cavity occupies a large space

Method used

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  • Resonant cavity in engine intake system
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  • Resonant cavity in engine intake system

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0025] An embodiment of the present invention provides a resonant cavity in an engine air intake system, such as figure 1 As shown, it includes a cavity body 11 and a gas channel 12 communicating with the cavity body 11, the gas channel 12 communicates with the main pipeline 13, and also includes a support unit 14, located between the cavity body 11 and the main pipeline 13, for supporting Gas channel 12.

[0026] Since the support unit 14 is located between the cavity body 11 and the main pipeline 12, it can support the gas passage 12. Therefore, the support unit 14 can strengthen and protect the gas passage 12. When the resonant cavity is subjected to an external force When acting, the external force is all borne by the support unit 14, because of the reinforcement and prot...

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Abstract

The invention discloses a resonant cavity of an engine gas intake system, and relates to the technical field of engines. The resonant cavity of the engine gas intake system aims to solve the problem that occupied space of the resonant cavity is large. The resonant cavity of the engine gas intake system comprises a cavity body and a gas channel, wherein the gas channel is communicated with the cavity body and a main pipeline. The resonant cavity of the engine gas intake system further comprises a supporting unit, and the supporting unit is arranged between the cavity body and the main pipeline and used for supporting the gas channel. The resonant cavity of the engine gas intake system is applicable to the engine gas intake system.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a resonant cavity in an engine intake system. Background technique [0002] When the engine is working, the air passes through the air filter and the engine intake system, and finally reaches the combustion chamber of the engine. During this process, a lot of noise will be generated. In order to reduce noise, a resonant cavity is usually set in the engine intake system, and the resonant cavity communicates with the main pipeline of the air filter. [0003] The resonant cavity in the existing engine air intake system includes a closed cavity body and a gas channel. The gas channel communicates with the cavity body and the main pipeline of the air filter. The volume of the cavity body is usually relatively large. [0004] The formula for calculating the noise elimination of the resonator is: where S c is the cross-sectional area of ​​the gas channel, V is the volume of the cav...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/12
Inventor 黄勇王海东李宇洲曹艳娜胡忠辉李朋李田兴
Owner GREAT WALL MOTOR CO LTD