A Multi-Oil Channel Fuel Spray Device Applicable to Radially Staged Main Combustion Chamber
A spray device and main combustion chamber technology, applied in the field of aero-engines, can solve problems such as increased number of nozzles, bloated fuel system, difficulties in combustion chamber ignition and flame transfer, and flame stabilization, achieving simplified fuel system, compact internal structure, and weight saving Effect
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0024] refer to figure 1 , a multi-oil channel fuel spray device suitable for radially graded main combustion chambers adopts the form of partitioned fuel supply, and the two pre-combustion stage nozzles 12 located on the radially graded outer ring are single oil circuit nozzles, located on the radially graded inner ring The main combustion stage nozzle 13 is a dual oil circuit nozzle. The pre-combustion level nozzles 12 and the main combustion level nozzles are installed on the spray device housing 1 through threads 13, and the two pre-combustion level nozzles 12 are symmetrically distributed on the center section of the spray device housing 1. The three oil inlet nozzles 2 located above the spray device housing 1 are r...
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