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Special-shaped fuel tank for aircraft

An aircraft and fuel tank technology, which is applied to the fuel tank of the power plant, aircraft parts, fuselage and other directions, can solve the problems of poor adaptability and small fuel capacity of the cylindrical fuel tank, and achieve the effect of strong adaptability and good heat resistance.

Active Publication Date: 2018-11-02
BEIJING AEROSPACE TECH INST
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[0003] The invention provides a special-shaped fuel tank for aircraft, which can solve the technical

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  • Special-shaped fuel tank for aircraft

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[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit t...

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Abstract

The invention provides a special-shaped fuel tank for an aircraft. The special-shaped fuel tank comprises a plate-shaped component, an annular cabin, a first end frame and a second end frame and is characterized in that the annular cabin is provided with a first accommodating cavity used for accommodating an engine, the structure of the first accommodating cavity is matched with the shape of the engine, the plate-shaped component is fixedly arranged on the annular cabin along the length direction of the annular cabin to form a combined part, and the shape of combined part is matched with the shape of the aircraft; the first end frame is fixedly arranged at one ends of the plate-shaped component and the annular cabin, the second end frame is fixedly arranged at the other ends of the plate-shaped component and the annular cabin, the first end frame, the second end frame, the plate-shaped component and the annular cabin jointly form a second accommodating cavity in an enclosed manner, andthe second accommodating cavity is used for accommodating fuel. By the special-shaped fuel tank, the technical problems that a cylindrical fuel tank in the prior art is low in fuel capacity and poorin adaptability are solved.

Description

technical field [0001] The invention relates to the technical field of high-speed aircraft structure design, in particular to a special-shaped fuel tank for aircraft. Background technique [0002] At present, as the speed of the aircraft becomes faster and faster, the high Mach number aircraft needs lower structural weight and larger fuel capacity. The traditional fuel tank is a cylindrical structure, and the design of the fuel tank has mature standard specifications. However, due to the complex shape of many parts in the aircraft, if the fuel tank with a cylindrical structure in the prior art is used, the maximum utilization of space cannot be realized. Therefore, the traditional cylindrical structure is no longer suitable for the development of fuel tanks for future high-Mach number aircraft. Lightweight, conformal, and high-precision fuel tank design has become a key factor in the development of high-speed aircraft. Contents of the invention [0003] The invention pro...

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Application Information

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IPC IPC(8): B64D37/04B64D37/06B64C1/16
CPCB64C1/16B64D37/04B64D37/06
Inventor 王庆伟霍浩亮罗俊航
Owner BEIJING AEROSPACE TECH INST
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