RU2803354C1 - Aeronautical device - Google Patents

Abstract

FIELD: aeronautic vehicles.

SUBSTANCE: aircraft lighter than air, namely aeronautic vehicles. Aeronautical device consists of a gondola suspended on cables to a shell filled with a gas lighter than air, having vertical folds along the perimeter. At the same time, magnets are placed on the inner or outer surface of the vertical folds, which attract to each other sections of the shell that form folds. The group of inventions is aimed at creating devices in which, due to the presence of folded vertical folds, the phenomenon of shell windage is reduced.

EFFECT: safety of aeronautical flights is increased.

3 cl, 2 dwg

Description

The aeronautical apparatus is presented in an invention that can be classified as technical solutions for lighter-than-air aircraft. As you rise upward, the atmospheric pressure drops, but the internal pressure in the shell of the apparatus continues to act on the shell, stretching it. The volume of the apparatus shell increases, which equalizes internal and external pressure.

The objective of the invention is an aeronautical apparatus with a shell that changes its volume depending on external pressure.

Invention [1] discloses the use of detachable zippers to hold vertical folds on the surface of the soft shell of a hot air balloon. To increase the volume of the shell, the zippers are unfastened and then the folds have the opportunity to open. However, the procedure for unfastening and re-fastening the zippers is not disclosed, which is a disadvantage. Another technical solution is presented in the invention [2], which uses two cameras both during takeoff and landing of an airship. The main chamber, which has folds, can change its volume due to gas moving from the additional chamber. For takeoff and landing, tensioned cables are used, which imposes many restrictions on the flight of the airship - this is a disadvantage.

In the invention [3], which we will take as a prototype, there is a technical solution that provides for the presence of horizontal folds on the shell of the aircraft, which stretch during ascent when the external pressure drops. In this case, the folds are spring-loaded by a plurality of springs attached to the shell, which places an additional mechanical load on the shell, which is a disadvantage. The springs actually hold the lower part of the aeronautical apparatus suspended, which places increased demands on the quantity and quality of the springs used - this complicates and makes the design heavier. The springs are placed on the outer surface of the aircraft, so the springs themselves, as well as their fastening elements, have protrusions. The presence of protrusions can lead to their icing, which will lead to failure of the spring mechanism for regulating the volume of the shell, which reduces flight safety.

The aeronautical apparatus presented in the invention consists of a gondola (1), suspended with the help of cables coming from it (2) to the shell (3), where they are attached (Fig. 1). The shell is filled with gas (4) lighter than air (Fig. 2). There are vertical folds (5) on the surface of the shell, which are placed around the perimeter. Folds do not violate the integrity of the shell to avoid gas loss. Magnets (6) are placed on the inner surface of the vertical folds, attracting the sections of the shell to each other, forming the folds. Since the magnets are placed inside the shell, the risk of icing is eliminated, which increases the reliability of the shell. As the balloon ascends, the external pressure drops, while the internal pressure continues to act on the shell, including the folds. When the interaction of the attracting magnets becomes insufficient, the folds will begin to open, increasing the surface of the aeronautical apparatus, and hence the volume. As the balloon descends, external pressure increases, compressing the shell. Vertical folds form again on the shell as the magnets attract each other. Between the vertical folds there are undeformed sections (7) of the shell, which are involved in supporting the weight of the apparatus.

Folded vertical folds reduce the phenomenon of shell windage. The safety of aeronautical flights is increased.

When using the aircraft exclusively in dry climates, where the risk of icing is reduced, magnets are placed on the outer surface of the shell. This placement simplifies both inspection and repair of the magnets.

In order to protect against corrosion, the aircraft uses magnets mixed with polymers. The shell is made of nylon.

In the invention, the technical result is achieved due to the fact that the aeronautical vehicle has folds on the shell, on the surface of which magnets are placed that form these folds. As the external pressure decreases, the folds open, increasing the surface of the shell, and therefore its volume. When external pressure increases, folds form under the influence of magnets, which reduces the surface of the shell, and therefore its volume.

The industrial feasibility of the invention is ensured by the use of standard parts, components, as well as experience in creating magnets and aeronautical vehicles.

Information sources:

1. RU 2669230.

2. RU 2174482.

3. RU 2628828.

Claims (2)

1. An aeronautical apparatus consisting of a gondola suspended on cables to a shell filled with a lighter-than-air gas, which has vertical folds along the perimeter, characterized in that magnets are placed on the inner surface of the vertical folds, attracting the sections of the shell that form the folds to each other. 2. An aeronautical apparatus consisting of a gondola suspended on cables to a shell filled with a lighter-than-air gas, which has vertical folds along the perimeter, characterized in that magnets are placed on the outer surface of the vertical folds, attracting the sections of the shell that form the folds to each other.

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