Light and small rocket engine structure layout

Abstract

The invention relates to the technical field of spacecraft propulsion systems, in particular to a light and small rocket engine structure layout which can achieve a compact engine structure and benefit product modular integration. The light and small rocket engine structure layout comprises a head shell module, a throttle ring, a propellant controlling valve, an inspirator core, a spraying pipe, acombustion chamber pressure pipe nozzle, a valve fastener, an anti-inleakage seal ring, and an anti-outleakage seal ring. The light and small rocket engine structure layout has the advantages that: (1), the compact product structure of the engine is conducive to reduce the engine envelope size; (2), small number of the engine parts helps to improve the inherent reliability of the engine; (3), thethrottle ring is easy to assemble and disassemble so as to facilitate the adjustment of the engine flow resistance; and (4), proper hollow-out structure is beneficial for the engine weight reductionand heat protection.

Description

technical field [0001] The invention relates to the technical field of spacecraft propulsion systems, in particular to a structural layout of a light and small rocket engine. Background technique [0002] The engine is the heart of spacecraft such as launch vehicles, satellites, and missiles, and provides power for the spacecraft to change its orbit and attitude. With the development of aerospace technology, higher requirements are put forward for the miniaturization of rocket engines. Light and small rocket engines can not only reduce the total weight of the spacecraft, increase the payload of the spacecraft, but also optimize the overall design of the spacecraft, improve the The performance and technical level of spacecraft are of great significance. For example, the application of light and small rocket engines in the field of missile weapons and micro space vehicles can greatly promote the technological progress of civil and military space vehicles. [0003] The structu...

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Problems solved by technology

[0004] Looking at the current state of technology at home and abroad, there are various structural layout forms of light and small rocket engines, and there are many successful cases, but generally have the following shortcomings: 1) The layout structure is not compact, and the structural space utilization rate is low; 2) The engine section When adjusting the orifice plate, it is necessary to repeatedly disassemble and assemble the valve

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