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Double-mixer gas supply system

A gas supply system and mixer technology, which is applied to the charging system, oil supply device, combustion engine, etc., can solve problems such as uneven air mixing, and achieve uniform air mixing, good air mixing uniformity, and prolonged response time. Effect

Active Publication Date: 2015-05-06
DONGFENG COMML VEHICLE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problem of uneven gas mixing existing in the prior art, and to provide a double-mixer gas supply system with uniform gas mixing

Method used

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Embodiment 1

[0031] see Figure 1 to Figure 3, a double mixer gas supply system, including a pressure reducer 1, a gas rail assembly 2, a gas mixing assembly 3 and an engine intake pipe 4, the gas outlet end of the pressure reducer 1 is connected to the gas mixing assembly through the gas rail assembly 2 The air intake end of the gas mixing assembly 3 communicates, and the gas outlet end of the gas mixing assembly 3 communicates with the engine intake pipe 4; the gas mixing assembly 3 includes a gas distribution control valve 5, a near-end mixer 31 and a far-end mixing device 32, the gas distribution control valve 5 includes an air inlet port 51, a near-end gas outlet port 52, and a far-end gas outlet port 53, the air inlet port 51 communicates with the gas outlet end of the gas rail assembly The interface 53 communicates with the far-end gas inlet 34 of the far-end mixer 32, the far-end main air inlet 33 of the far-end mixer 32 communicates with the air filter, and the far-end air outlet ...

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Abstract

The invention relates to a double-mixer gas supply system which comprises a pressure reducer, a gas rail assembly, a gas-mixing assembly and an engine gas inlet pipe, wherein a gas outlet end of the pressure reducer is communicated with a gas inlet end of the gas-mixing assembly through the gas rail assembly; a gas outlet end of the gas-mixing assembly is communicated with the engine gas inlet pipe; the gas-mixing assembly comprises a gas distributing control valve, a near-end mixer and a far-end mixer; the gas distributing control valve comprises a gas inlet interface, a near-end gas outlet interface and a far-end gas outlet interface; the gas inlet interface is communicated with a gas outlet end of the gas rail assembly; the near-end gas outlet interface is communicated with the engine gas inlet pipe through the near-end mixer; the far-end gas outlet interface successively passes through the far-end mixer and the near-end mixer and then is communicated with the engine gas inlet pipe; an air inlet communicated with an air filter is formed in the far-end mixer. The design for the double-mixer gas supply system can ensure the uniform mixing of gas and air, can effectively prevent temper and never prolongs the response time for the acceleration and deceleration of the vehicle.

Description

technical field [0001] The invention relates to a gas mixing device for a gas engine, in particular to a double mixer gas supply system, which is particularly suitable for improving the uniformity of gas and air mixing without affecting the response speed of the vehicle. Background technique [0002] The function of the mixer is to provide a place for mixing air and natural gas. Whether the mixed gas formed in the mixer is uniform directly affects the performance output of the engine and the uniformity of the work of each cylinder. Combustion of unevenly mixed gas will cause the engine to scuff and other serious consequences. Due to the unfavorable factors caused by the installation size and anti-backfire, the mixer is often arranged and installed at the nearest position to the intake pipe. However, the mixer installed at the proximal end is not conducive to the formation of a uniform mixed gas when the engine is running at high speed, resulting in uneven work of each cylin...

Claims

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Application Information

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IPC IPC(8): F02M21/02F02M21/04
CPCY02T10/30
Inventor 安涛程伟贾李水
Owner DONGFENG COMML VEHICLE CO LTD
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