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Air inlet system of LNG natural gas engine

An air intake system, natural gas technology, applied in engine components, engine control, combustion engines, etc., can solve problems such as differences in fuel supply systems, and achieve the effect of meeting air intake requirements

Inactive Publication Date: 2017-07-25
GUANGXI YUCHAI MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main difference is that the fuel is different, resulting in a large difference in the fuel supply system

Method used

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  • Air inlet system of LNG natural gas engine

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Embodiment Construction

[0008] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0009] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0010] Such as figure 1 As shown, an air intake system of an LNG natural gas engine according to a specific embodiment of the present invention includes an air supply subsystem, an LNG natural gas supply subsystem and a mixer 30, wherein the air supply subsystem includes an air filter connected in sequence 101. Exhaust gas turbocharger 102, intercooler 103 and electronic throttle 104, the air filter 101 is used to provide ...

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Abstract

The invention discloses an air inlet system of an LNG natural gas engine. The air inlet system comprises an air supply subsystem, an LNG natural gas supply subsystem and a mixer, wherein the air supply subsystem comprises an air filter, an exhaust gas turbocharger, an intercooler and an electronic throttle valve which are connected sequentially, and the electronic throttle valve is used for controlling the air supply amount after cooling; the LNG natural gas supply subsystem comprises an LNG gas bottle, a vaporizer, a voltage stabilizer, a buffer tank, a lower pressure filter, a lower pressure fuel stop valve and an electronic control gas track assembly which are connected sequentially, LNG enters the electronic control gas track assembly for accurate control after vaporization, voltage stabilization, buffering and filtering, the mixer is used for mixing air flowing through the electronic throttle valve and natural gas flowing out of the electronic control gas track assembly and then supplies the mixture to an inlet branch pipe, and the inlet branch pipe is communicated with an inlet valve of an engine cylinder. The air inlet system can accurately and safely control the natural gas and the air, and the air inlet requirement of the LNG natural gas engine can be met.

Description

technical field [0001] The invention relates to the field of gas engines, in particular to an intake system of an LNG natural gas engine. Background technique [0002] At present, when the form of compressed natural gas and liquefied natural gas is applied to the engine, it has the advantages of small changes to the structure of the internal combustion engine and little change in the working index, and has become an important alternative fuel and has been widely used in the field of internal combustion engines. A gas engine is an ignition engine specially developed to meet the combustion of gaseous fuels. Its working principle is similar to that of a gasoline engine, but there are certain differences. The main difference is that the fuel is different, resulting in a large difference in the fuel supply system. [0003] The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should no...

Claims

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Application Information

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IPC IPC(8): F02M35/10F02M21/02F02D41/36F02D41/00F02D9/02
CPCF02D9/02F02D41/0007F02D41/0027F02D41/36F02M21/0215F02M21/0245F02M35/10157Y02T10/30
Inventor 黄第云沈捷黄永仲
Owner GUANGXI YUCHAI MASCH CO LTD
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