Needle valve injector for variable thrust rocket engine
A rocket engine and variable thrust technology, applied in rocket engine devices, machines/engines, mechanical equipment, etc., can solve problems such as low combustion efficiency and poor propellant mixing, and achieve the effect of increasing effective stroke, simplifying design, and reducing difficulty
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[0037] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention and the accompanying drawings. Apparently, the described embodiments do not limit the present invention.
[0038] The present invention proposes slotting on the moving part needle valve 3, using the central rod 4 to block the oxidant outlet passage 7 and the fuel outlet passage 8, to adjust the injection structure of the fuel and oxidant flow, and to improve the propellant of the variable thrust needle valve injector. Blending characteristics, effectively improve the combustion efficiency.
[0039] Such as figure 2 , image 3 and Figure 4 As shown, a needle valve injector for a variable thrust rocket engine of the present invention includes an upper cover 1 , a housing 2 , a needle valve 3 and a center rod 4 arranged coaxially. Among them, the same part as the existing structure is that the upper cover 1 is con...
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