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Airplane cabin leakage plugging ball

A cabin and aircraft technology, applied in aircraft parts, transportation and packaging, emergency equipment, etc., can solve problems such as high cost of forced landing or return flight, and threat to the safety of personnel in the cabin, to ensure safety and comfort, simple structure, and restore air pressure and the effect of temperature

Inactive Publication Date: 2017-01-04
王新刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a plugging ball for an aircraft cabin to overcome the problems of high cost of forced landing or return flight caused by a large pressure difference and temperature difference inside and outside the cabin when a breach occurs in the cabin.

Method used

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  • Airplane cabin leakage plugging ball
  • Airplane cabin leakage plugging ball

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Embodiment Construction

[0018] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0019] refer to figure 1 , figure 2 , Aircraft cabin plugging ball, comprises main sphere 1, and the size of main sphere 1 can be equipped with and be filled with gas when diameter is 300mm, 500mm, 1000mm or 2000mm, suitably selects according to breach size and position. More plugging balls of different sizes should be prepared in the cabin. Observe the size of the damaged area, and select a plugging ball with a size larger than the damaged size, such as: the largest damage is 400mm, and a plugging ball with a diameter of not less than 600mm is selected. When the flight altitude changes, the atmospheric pressure will change significantly, so wait until the flight altitude drops to a certain height (below 5000m) before completing the inflation and plugging. From low-altitude flight to landing, the volume of the plugging ball changes, but the diameter o...

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Abstract

The invention relates to an airplane cabin leakage plugging ball which comprises a main ball body. The main ball body comprises an inner layer and an outer layer, a gas cavity for containing gas is formed inside the inner layer, the main ball body is provided with a gas valve for inflating or deflating the gas cavity, and the outer layer has deforming performance. The airplane cabin leakage plugging ball is simple in structure and easy to produce; when an opening is formed in a cabin, the main ball body impacts the opening of the cabin under action of pressure generated by difference of pressure inside and outside the cabin, a sucker-shaped recess at a position where the main ball body contacts with the inner wall of the cabin is adsorbed on the cabin, the gas leaking opening is quickly and effectively plugged, gas pressure and temperature in the cabin are quickly restored, outward suction of gas flow at the opening is stopped, safety and comfort of personnel in the cabin are guaranteed, more valuable time is provided for landing of an airplane, and loss is reduced effectively.

Description

technical field [0001] The invention relates to a leak-stopping device, in particular to a leak-stopping ball used for openings in aircraft cabins in flight. Background technique [0002] Domestic flights of passenger planes are between 6,800-8,000 meters, and international flights are between 9,000-11,000 meters. When the cabin is damaged, the air pressure in the cabin drops suddenly. The passenger plane usually drops rapidly to an altitude of around 3,000 meters, with an air pressure of 70kpa. Refer to the calculation formula of "Bernoulli's Equation for Ideal Gas" in "Introduction to Aerospace Technology (Second Edition)" published by Beihang University Press, if the altitude is 10000m, the speed is 720km / h, and the temperature outside the cabin is -50 ℃, the damage diameter of the engine room is 0.4m, and the pressure difference between the inside and outside of the cabin: [0003] F=PS=(1 / 2ρV 2 ) πR 2 = ≈1030N; the flight altitude is reduced to 3000m, the speed is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64D25/00
CPCB64D25/00
Inventor 王新刚
Owner 王新刚
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