Engine mixer

A mixer and engine technology, applied in engine components, combustion engines, machines/engines, etc., can solve the problems of long mixer length, slow engine control response, poor mixing effect, etc., and achieve short mixer length and control response. Fast and favorable effect of gas diffusion

Active Publication Date: 2015-01-28
DONGFENG COMML VEHICLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the problems of poor mixing effect, slow engine control response and long mixer length in the prior art, and provide an engine with better mixing effect, fast engine control response and shorter mixer length mixer

Method used

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Embodiment 1

[0045] see figure 1 - image 3 , an engine mixer, including a mixer body 1, a mixer tube core 2, the mixer body 1 is a hollow structure with two ends open, including an air intake end 11, a mixed gas outlet end 12, and an inner cavity 14, the The inner wall of the air intake end 11 is inserted into the outer wall of the mixer tube core 2, and the outer wall of the air intake end 11 is connected with a natural gas intake pipe 13, and the air intake end 11 is provided with a sealing ring installation groove 8 and a second connecting hole 15 , and the inside of the intake end 11 is provided with an annular natural gas pressure stabilizing chamber 3 communicating with the natural gas inlet pipe 13 along its circumference. A plurality of natural gas injection pipes 4 evenly arranged on the periphery of the pipe core 2, the inlet end 41 and the outlet end 42 of the natural gas injection pipe 4 communicate with the annular natural gas pressure stabilizing chamber 3 and the inner cav...

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PUM

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Abstract

The invention discloses an engine mixer which comprises a mixer body and a mixer tube core, wherein the mixer body adopts a hollow structure of which two ends are opened and comprises an air inlet end, a mixed gas outlet end and an inner cavity; the inner wall of the air inlet end and the outer wall of the mixer tube core are matched in an inserting manner; a natural gas inlet pipe is connected onto the outer wall of the air inlet end and is communicated with the mixed gas outlet end through the inner cavity; the mixed tube core adopts a hollow structure of which one end is opened; an opening end of the mixed tube core is an air inlet; the air inlet is communicated with the inner cavity through a plurality of through holes formed in the tube wall of the mixer tube core. According to the engine mixer, natural gas flow beams are dispersed by using greater momentum of air flow beams, so that the mixing uniformity of natural gas and air is improved, and the flowing resistance is reduced.

Description

technical field [0001] The invention relates to an automobile mixer, in particular to an automobile engine mixer, which is particularly suitable for improving the mixing uniformity of natural gas and air and reducing flow resistance. Background technique [0002] The energy crisis and severe air pollution have prompted people to seek a new energy source to replace fuel oil. Natural gas has become an alternative fuel that has attracted much attention because of its cleanness and large reserves. The main component of natural gas is methane, which not only has a smaller carbon-hydrogen ratio than other hydrocarbon fuels, but also produces only a small amount of CO when burned 2 , NOx, and better combustion safety. In addition, natural gas also has the advantages of not containing CO toxic components, narrow explosion limit, and high octane number. [0003] In order to make better use of natural gas, domestic natural gas engine development technology has developed rapidly, but ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M21/04
CPCY02T10/30
Inventor 贾李水程伟李阳
Owner DONGFENG COMML VEHICLE CO LTD
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