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Hydrogen-gasoline dual-fuel stratified combustion rotor machine and control method thereof

A stratified combustion and rotary engine technology, applied in engine control, combustion engine, electrical control, etc., can solve the problems of high emissions, incomplete combustion of fuel, low combustion efficiency, etc. The effect of coefficients

Active Publication Date: 2021-05-14
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The rotary engine has the advantages of simple structure, small size, light weight, large power-to-weight ratio, and high power density. This leads to problems such as low combustion efficiency and high emissions.

Method used

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  • Hydrogen-gasoline dual-fuel stratified combustion rotor machine and control method thereof
  • Hydrogen-gasoline dual-fuel stratified combustion rotor machine and control method thereof

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing and specific embodiment the present invention will be further described:

[0019] Including: hydrogen nozzle 5, spark plug 6, gasoline nozzle 8 and other components are installed on the rotor engine cylinder of this device, wherein the gasoline injection pressure is maintained at 14MPa±0.5MPa, and gasoline nozzle 8 is placed at the right end of the long axis of the rotor engine, in the direction of the long axis The included angle is 40°. The included angle of the gasoline nozzle can ensure that the gasoline fuel is injected toward the spark plug area, which is conducive to the formation of stratified gas mixture near the spark plug; the hydrogen fuel injection pressure is maintained at 5MPa±0.5MPa, and the hydrogen nozzle is placed on the left side of the spark plug. The side is close to the short axis, and the angle with the short axis is 50°. This placement can ensure that the hydrogen fuel is concentrated and distributed...

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Abstract

The invention designs a hydrogen-gasoline dual-fuel stratified combustion rotor machine and a control method thereof, and particularly relates to a stratified combustion control method for regulating and controlling a hydrogen and gasoline injection strategy according to a rotating speed signal of a rotor engine. According to the machine, an output signal of a rotor engine rotating speed sensor (7) is mainly used as a control basis, the running rotating speed interval of the rotor engine is judged, a direct injection nozzle in a hydrogen and gasoline cylinder is combined to reasonably regulate and control the injection strategy, dual-fuel stratified combustion of the rotor engine is achieved while the air inlet efficiency is improved, the combustion process is effectively improved, the effect of reducing emission is achieved, and application of the low-oil-consumption and low-emission rotor engine is achieved.

Description

technical field [0001] The invention designs a hydrogen-gasoline dual-fuel stratified combustion rotor machine and a control method thereof, specifically relates to a stratified combustion control method for regulating hydrogen and gasoline injection strategies according to a rotor engine speed signal, and belongs to the field of internal combustion engines. Background technique [0002] With the increasingly stringent emission regulations and people's research on various driving forms of vehicles, the rotary engine, as a driving machine different from the traditional internal combustion, has gradually entered people's field of vision. The rotary engine has the advantages of simple structure, small size, light weight, large power-to-weight ratio, and high power density. This leads to problems such as low combustion efficiency and high emissions. [0003] As a clean fuel, hydrogen itself does not contain carbon elements. As a blended fuel, it can effectively reduce the forma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B53/10F02B53/08F02B53/12F02B69/04F02D19/06F02D19/08F02D43/00
CPCF02B53/10F02B53/08F02B53/12F02B69/04F02D19/081F02D19/0644F02D41/0025F02D41/0027F02D41/0002F02D37/02F02D2200/101Y02T10/30
Inventor 纪常伟常珂汪硕峰杨金鑫杨振宇
Owner BEIJING UNIV OF TECH