Fuel gas generator

A gas generator and fuel technology, which is applied in jet propulsion devices, machines/engines, rocket engine devices, etc., can solve problems affecting the working performance of gas generators, low combustion efficiency, high temperature, etc., to avoid high temperature and improve combustion efficiency , making precise effects

Pending Publication Date: 2021-10-22
星河动力(北京)空间科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical solution of the present invention is to change the design and manufacturing scheme of the existing gas generator injector, spoiler ring and combustion chamber, change the method o

Method used

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Example Embodiment

[0026] The specific embodiments of the present invention are described below in conjunction with the accompanying drawings;

[0027]The gas generator of the present invention is applied to a liquid rocket engine power supply system. In actual use, the fuel agent nozzle (12) of the gas generator injector (1) is communicated with the fuel agent storage tank through the pipeline, and the oxidant nozzle (11) is connected with the oxidant storage tank through the pipeline, so as to provide fuel for the fuel gas. The generator provides fuel agent and oxidant; the right port (42) of the three-way elbow (4) of the gas generator is fixedly connected with the inlet of the liquid rocket engine power supply system by welding, and the left port (43) is usually connected with other devices by bolts. Used in closed state. The fuel agent and oxidant are injected into the inner cavity of the cylindrical ring (21) of the eccentric spoiler ring (2) through the injector (1) to impinge, atomize a...

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Abstract

The invention provides a fuel gas generator. The fuel gas generator is composed of an injector, an eccentric turbulent flow ring, a spherical-cone-shaped combustion chamber and a three-way bent pipe. The injector is in a round cake shape, the whole injector is printed through a 3D printer, the upper half part of the eccentric turbulent flow ring is a cylindrical ring, the top face of the cylindrical ring is fixedly welded with the edge of the bottom face of a lower boss of the injector, the bottom edge of the side face of the cylindrical ring is fixedly welded with the hole wall of a side hole of the spherical-cone-shaped combustion chamber, and the lower half part of the eccentric turbulent flow ring is a conical ring with an eccentric opening. The spherical-cone-shaped combustion chamber comprises a spherical cavity and a cone cavity, a side hole is formed in the side face of the spherical cavity, an outlet is formed in the top of the cone cavity and fixedly welded with a middle inlet of the three-way bent pipe, the three-way bent pipe is integrally in a side T shape, a left port is formed in the left side of the three-way bent pipe, a flange structure connection mode is adopted, a right port is formed in the right side of the three-way bent pipe, a middle inlet is formed in the middle part of the three-way bent pipe, and a boss positioning form is adopted. The structure of the fuel gas generator is optimized, propellants can be efficiently atomized, mixed and combusted, and the combustion efficiency is improved.

Description

technical field [0001] The invention relates to a gas generator, which belongs to the technical field of aerospace and liquid rocket engines, and is used in a liquid rocket engine power supply system. Background technique [0002] A liquid rocket generally consists of a fairing, an instrument cabin, an interstage section, an oxidant tank and a fuel tank, a pressurized delivery system, an engine, and a tail section. The liquid rocket engine is mainly composed of a gas generator, a turbo pump, a thrust chamber, various valves, and pipelines. The function of the gas generator in the liquid engine is to atomize, mix and burn the propellant to generate high-temperature and high-pressure gas with high energy, and then expand it further to do work to drive the turbine to run at high speed, thereby driving the turbo pump to make The liquid rocket motor works, powering the entire rocket. The gas generator is mainly composed of injector, spoiler ring and combustion chamber; [0003...

Claims

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Application Information

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IPC IPC(8): F02K9/62F02K9/52F02K9/60
CPCF02K9/62F02K9/52F02K9/60
Inventor 不公告发明人
Owner 星河动力(北京)空间科技有限公司
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