Array type gas inlet mixing valve

An array type, mixing valve technology, applied in the direction of oil supply device, internal combustion piston engine, engine components, etc., can solve the problems of high cost, insufficient gas combustion, etc., and achieve the effect of low manufacturing cost, simple structure and cost reduction

Inactive Publication Date: 2014-12-03
CHENGDU DUJIA ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention solves the problems of insufficient gas combustion and high cost of the gas fuel mixing device on the engine by setting an array type intake mixing valve, and achieves the purpose of improving reliability and reducing cost

Method used

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  • Array type gas inlet mixing valve

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Experimental program
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Effect test

Embodiment 1

[0019] Such as figure 1 As shown, the circular valve body 5 is fixed on the intake valve by mounting bolts 4; the decompressed natural gas enters the circular valve body 5 through the CNG intake pipe 1, and then is distributed in the air intake port 3 in a circular array The CNG sub-port 2 disperses it evenly and fully mixes it with the air passing through the air intake port 3 to achieve a mass ratio of air and natural gas of about 12:1 (standard state), which solves the problem of insufficient fuel combustion and low reliability The problem.

Embodiment 2

[0021] Such as figure 1 As shown, this embodiment is based on Embodiment 1. As a preference, the material of the circular valve body 5 is Q345R steel plate. It has good comprehensive mechanical properties, process performance and high economic rationality. In addition to higher tensile strength and elongation requirements than Q345 (16Mn) steel, it also guarantees stronger impact toughness.

Embodiment 3

[0023] Such as figure 1 As shown, in this embodiment, on the basis of Embodiment 1, a fastening nut is provided on the mounting bolt 4, and the type of the nut is M6. In order to eliminate the use of bolts for a long time, especially when they are used in high temperature environments, they are bonded with the round valve body. A nut (equivalent to a gasket) is specially added to make the bolt better fasten the round valve body. On the engine intake valve.

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Abstract

The invention discloses an array type gas inlet mixing valve, mainly comprising an air inlet, a CNG (Compressed Natural Gas) inlet pipe, CNG dispersing openings, a circular valve body and installation bolts, wherein the air inlet and the CNG inlet pipe are respectively arranged on the circular valve body; the CNG dispersing openings are in array type circular arrangement on the air inlet; the installation bolts are arranged on the external surface of the circular valve body. According to the array type gas inlet mixing valve, the circular valve body is fixedly arranged on an air inlet valve of an engine; natural gas of which the pressure is reduced enters the circular valve body through the CNG inlet pipe, is uniformly dispersed through the CNG dispersing openings in array type circular distribution in the air inlet, and is fully mixed with air passing through the air inlet; therefore an about 12:1 (standard state) mass ratio of the air to the natural gas is realized, i.e. a best combustion effect is realized; the problems of insufficient fuel combustion and not high reliability are solved; the mixing valve is simple in structure and easy to dismantle; the manufacturing cost of the mixing valve is lowered greatly.

Description

Technical field [0001] The invention relates to the field of automobiles, and specifically refers to an array type air intake mixing valve. Background technique [0002] With the development of the automobile industry, the development cycle of new cars has shortened, the speed of entering the market has accelerated, and the number of car ownership has increased rapidly. This has also led to an increase in the number of car scraps year by year: according to the estimation of Fiat Car Company in Turin, the Italian automobile city, such as Italy Calculating the average service life of cars for 12 years, 1.4 million cars are scrapped every year across the country. If arranged, they can be as long as 5000km, which is equivalent to 3 / 4 of the total length of the Italian road network. If a large number of end-of-life vehicles are not sorted and recycled in time, the end-of-life vehicles will occupy a large accumulation space: under the natural conditions of the sun, wind and rain, the e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M21/04
CPCY02T10/30
Inventor 罗宾
Owner CHENGDU DUJIA ELECTRICAL
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