Flexible fuel oil main pipe integrated with fuel oil nozzles
A fuel manifold and fuel nozzle technology, applied in the combustion chamber, combustion method, combustion equipment and other directions, can solve the problems of complex structure, heavy weight and large size of the fuel manifold, achieve simple structure, compact layout, eliminate deformation and uncoordinated stress Effect
Active Publication Date: 2022-03-08
AECC SICHUAN GAS TURBINE RES INST
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Problems solved by technology
This type of fuel manifold with nozzles has complex structure, large size and heavy weight
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[0024] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0025] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments of the present invention,...
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The invention provides a flexible fuel manifold integrated with fuel nozzles, and relates to the technical field of aero-engines. The flexible fuel oil header pipe comprises an oil inlet pipe, a plurality of outer pipes and a plurality of inner pipes, the outer pipes and the inner pipes are communicated with the oil inlet pipe, and the oil inlet pipe is formed by connecting a plurality of bent sections and straight sections and used for introducing fuel oil. The outer pipe and the inner pipe are respectively formed by connecting a plurality of bent sections and straight sections, the outer pipe and the inner pipe are sequentially and alternately connected, the outer pipe, the inner pipe and the oil inlet pipe jointly form the wavy flexible fuel oil header pipe, and nozzles are respectively arranged at the connecting ends of the oil inlet pipe, the outer pipe and the inner pipe. The relative position relation of the fuel nozzle and the head of the flame tube can be guaranteed, deformation uncoordinated stress is eliminated, and meanwhile the requirements for light weight and high reliability of an aero-engine combustion chamber can be met.
Description
technical field [0001] The invention relates to the technical field of aero-engines, in particular to a flexible fuel main pipe integrating fuel nozzles. Background technique [0002] Due to the influence of interference factors such as the complex structure of the head of the flame tube and the setting of other structures at the head of the flame tube, the fuel manifold of the main combustion chamber of the aero-engine and the fuel nozzle are generally divided into two parts. Therefore, the fuel manifold of the main combustion chamber of the aero-engine cannot be directly arranged on the head of the flame tube, but multiple nozzles are set on the head of the flame tube, and multiple branch pipes are set on the fuel main pipe, and then the branch pipes are connected to the nozzles. The two are connected as a fuel main pipe with a nozzle by ball-cone fitting or welding. This type of fuel manifold with nozzles has complex structure, large size and heavy weight. Contents of ...
Claims
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IPC IPC(8): F23R3/28
CPCF23R3/283
Inventor 王培赵弦时远魏豪袁昌波何鹏黄阿勇郭凯曾宇晖李九龙钟世林
Owner AECC SICHUAN GAS TURBINE RES INST