Novel fuel bunker with axial limiting and compressing function

Abstract

The invention relates to a novel fuel bunker with the axial limiting and compressing function. The novel fuel bunker is composed of a soft fuel tank which is compressible in the length direction and corresponding limiting devices which are additionally arranged. The novel fuel bunker comprises an fuel bunker shell (1), the front compacting limiting device (2), the rear compacting limiting device (3), a driving system (24) and the compressible soft fuel tank (5), wherein the compressible soft fuel tank (5) is located in the fuel bunker shell (1); the front compacting limiting device (2) and therear compacting limiting device (3) are compacted at the two ends of the compressible soft fuel tank (5); and when fuel in the compressible soft fuel tank (5) is reduced, the front compacting limiting device (2) and the rear compacting limiting device (3) are driven by the driving system (24) to synchronously move face to face, and the gravity center of the fuel in the compressible soft fuel tank(5) does not change. The new scheme is created for a small aircraft fuel tank.

Description

technical field [0001] The invention relates to an aviation airborne fuel tank, in particular to a new type of volume-adjustable and center-of-gravity controllable fuel tank with axial limit compression created by a new idea. Background technique [0002] Aircraft fuel tanks are important structural components of modern aircraft, and their main function is to store the fuel required for aircraft flight. According to their different structural forms, they can be roughly divided into three categories: soft fuel tanks, hard fuel tanks and integral fuel tanks. The main feature of the soft fuel tank is that it can make full use of the available space of various shapes inside the aircraft to increase the fuel storage capacity. It has a simple structure, is not affected by vibration, and is not easy to crack or damage. The hard fuel tank is mainly used in the high temperature area in the body, and the position where the fuel tank compartment cannot withstand internal pressure. In...

AI Technical Summary

Problems solved by technology

The effective fuel load of an aircraft directly affects its mileage index. With the continuous expansion of the application of small flight platforms, the demand for flight endurance time, mileage and carrying capacity is also increasing, so a larger fuel load is required. It is expected that Fuel can account for more than 40% of the total take-off weight. When the flight attitude changes, the fuel slosh has a great impact on the overall center of gravity, which brings about problems in stability, controllability, safety, etc. main problem

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