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Engine Gas Fuel Multipoint Sequential Injection Device

A technology of gas fuel and sequential injection, which is applied in the direction of engine components, engine control, combustion engine, etc., can solve the problems of complex structure, difficult control, drift of working parameters, etc., and achieve the effect of stable working parameters and simple structure

Active Publication Date: 2016-08-17
WEIFANG LICHUANG ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure is complex, the control is difficult, and the aging of electronic components will also cause the drift of working parameters, which will affect the working efficiency of the engine

Method used

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  • Engine Gas Fuel Multipoint Sequential Injection Device
  • Engine Gas Fuel Multipoint Sequential Injection Device
  • Engine Gas Fuel Multipoint Sequential Injection Device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the drawings and embodiments.

[0016] Such as figure 1 As shown, the engine gas fuel multi-point sequential injection device of the present invention includes a gas main pipe 1, one end of the gas main pipe 1 is provided with a gas inlet 9, and the pipe wall of the gas main pipe 1 is provided with a plurality of connecting engine gas injection ports. Gas outlets 2, 3, 4, 5, 6, 7, and the number of gas outlets corresponds to the number of cylinders of the engine. The gas main pipe 1 is sleeved with a gas distribution pipe 8. The outer wall of the gas distribution pipe 8 and the inner wall of the gas main pipe 1 are rotatably sealed and matched. The gas distribution pipe 8 is open at one end toward the gas inlet 9 and the other end is provided with a drive The rotary drive mechanism for rotating the gas distribution pipe 8 and the axial drive mechanism for driving the gas distribution pipe 8 to move a...

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Abstract

The invention relates to a fuel gas injection mechanism of a gas engine and in particular relates to a multi-point sequential gas fuel injection device of an engine. The multi-point sequential gas fuel injection device comprises a gas main pipe, wherein a gas inlet is formed in one end of the gas main pipe; a plurality of gas outlets which are communicated with a gas injection orifice of the engine are formed in the pipe wall of the gas main pipe; a gas distribution pipe sleeves in the gas main pipe; the outer wall of the gas distribution pipe is rotationally sealed and matched with the inner wall of the gas main pipe; one end, facing towards the gas inlet, of the gas distribution pipe is provided with an opening; a rotary driving mechanism for driving the gas distribution pipe to rotate and an axial driving mechanism for driving the gas distribution pipe to axially move are arranged on the other end of the gas distribution pipe; gas distribution holes corresponding to the gas outlets are formed in the pipe wall of the gas distribution pipe. According to the multi-point sequential gas fuel injection device of the engine, the gas injection of cylinders of the engine is mechanically controlled; the structure is simple; the device is not influenced by the working parameter of an electronic component; the working parameter is stable.

Description

Technical field [0001] The invention relates to a fuel gas injection mechanism of a gas engine, in particular to a multi-point sequential injection device for gas fuel of an engine. Background technique [0002] In the existing gas internal combustion engine that uses fuel supply and multi-point injection, gas fuel is introduced through a gas fuel distribution pipe, and then the fuel distribution branch pipe is controlled by the injection control valve. Since most of the existing engines are multi-cylinder engines, the gas injection mechanism requires coordinated actions of multiple injection control valves, and a computer is used to control the action time of the multiple injection control valves. The structure is complex, the control is difficult, and the aging of the electronic components will also cause the drift of working parameters, which affects the working efficiency of the engine. Summary of the invention [0003] The purpose of the present invention is to solve the abo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M21/02F02D19/02
CPCY02T10/30
Inventor 吴龙龙
Owner WEIFANG LICHUANG ELECTRONICS TECH
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