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an emergency gas generator

A gas generator, gaseous technology, applied in the direction of jet propulsion devices, machines/engines, rocket engine devices, etc., can solve the problems of human health hazards, high cost, cumbersome procedures, etc., achieve non-toxic exhaust, convenient use and maintenance and cheap Effect

Active Publication Date: 2015-08-05
SHANGHAI INST OF SPACE PROPULSION
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AI Technical Summary

Problems solved by technology

[0004] The technical problem of the present invention is: to overcome the deficiencies of the prior art, to provide a non-toxic, non-polluting, high-performance, cheap dual-mode working gas / liquid dual-component gas generator for the emergency gas generator of the second power system of the aircraft To solve the environmental pollution, human health hazards and other problems caused by the existing toxic propellant gas generators, as well as the cumbersome procedures and expensive costs of the production, storage, transportation and use of toxic propellant systems

Method used

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0020] figure 1 It is a schematic diagram of the vertical section structure of the emergency gas generator of the present invention. The embodiment of the present invention is an air / kerosene gas generator, which is composed of an injector 1, a combustion chamber 2 and an electric igniter 3.

[0021] The injector is mainly composed of a combined pneumatic atomizing nozzle 6 arranged in the center and propellant inlet passages 15, 16, 17, etc.; the combustion chamber is composed of a body jacket 4 and a combustion chamber 5, forming a gas flow path; The air inlet channel 15 of the injector is connected with the first-stage swirler 12 and the gas collection chamber 8 in the combined nozzle, and the gas-collection chamber is connected with the second-stage swirler 14, the body jacket and the jacket between the combustion chamber Connect, deliver...

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Abstract

An emergency gas generator, comprising an injector (1), a combustion chamber (2), an electric igniter (3), a body coat (4), a combustion chamber (5), a combined pneumatic atomizing nozzle (6 ), air inlet (7), gas collection chamber (8), it is characterized in that, injector (1) is connected with one end flange of body jacket (4), and it adopts flexible graphite sealing or welding, and combustion chamber (5) Sleeved in the inside of the body coat (4), the electric igniter (3) electric igniter (3) is arranged on the side of the body coat (4) close to one end of the injector, and is threadedly connected with the body coat using Aluminum gasket face seal.

Description

technical field [0001] The invention relates to an emergency gas generator, which is a gas generator used for an emergency power device of a second (auxiliary) power system of an aircraft. Background technique [0002] As the gas generating device in the emergency power unit of the aircraft's second power system, the gas generator can provide emergency power to restart the main engine or auxiliary power system engine when the main engine of the aircraft is turned off in the air, and can provide support for the aircraft during the ground maintenance and inspection phase. Provides electrical and hydraulic energy. At present, the gas generators in the emergency power plants equipped with aircraft in my country mainly use H70 as fuel to generate high-temperature and high-pressure gas through catalytic decomposition. However, because hydrazine fuel is highly corrosive and toxic, its production, storage and transportation and the use of generators , Ground service and other aspect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02K9/52F02K9/62B64D33/00
Inventor 金盛宇许宏博周海清吉林白云峰陈朝林庆国
Owner SHANGHAI INST OF SPACE PROPULSION
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