Captive balloon

FIELD: aerostation.

SUBSTANCE: proposed captive balloon includes gas-carrying envelope with hole at lower pole and vertically oriented hose made from gastight elastic material whose edges are secured to edges of hole in lower pole of envelope forming gastight joint. Hose is located inside envelope which has hole at upper pole whose edges are connected with edges of other end of hose forming gastight joint. Balloon is provided with rod whose ends are passed through holes at upper and lower poles of envelope. Two movable washers freely mounted on rod are rigidly connected with edges of hose over perimeter at point of attachment of edges of hose to edges of hole. Hose is widening from center to ends. Located on the outside of envelope on side of upper and lower poles are aprons whose peripheral sections are fastened with envelope by means of elastic rods; central section is rigidly connected with one of rod ends.

EFFECT: retaining of envelope shape at change in volume.

3 cl, 2 dwg

 

The invention relates to Aeronautics, namely, tethered balloons with haziness shell natural form, and may find application, in particular, for recreation, for information and promotional materials.

Known a number of technical solutions aimed at ensuring the control of the size and/or shape of Gabonese shell aircraft lighter than air when the pressure or volume of gas inside it.

Known aircraft lighter than air, in particular airship [EN 96101504]. This aircraft between pneumonectomy designed for gas injection, and Gabonese shell there is a gap, air gap which is connected to a low-pressure system with a small excess of pressure above atmospheric. Due to these design features remain the same size and the shape of the shell when the volume of carrier gas.

Known tethered balloon [US 3558083], selected by the authors as the nearest equivalent.

This tethered balloon contains haziness shell natural shape with a hole at its lower pole, and located outside containment and vertically oriented end-to-end sleeve made of gas-tight elastic material. The upper edge is of the rates in sleeves attached with the formation of impermeable for gas connection to the edges of the holes in the shell. Inside the sleeve is placed in the load cable, the lower part which is connected to the reel mechanism, and the upper part is connected with the lower ends of elastic rods, the upper ends of which are attached to the surface of the shell in its upper part. In the initial state, the sheath strapped elastic rods, the tension of which is provided a load cable wound on the reel mechanism so that the upper part of the cable is located inside the sleeve near the lower end.

With increasing altitude of the balloon increases the gas pressure at the surface of the shell. When this elastic traction pull up connected to their lower ends a load cable, which leaves the reel mechanism and moves inside the sleeve and then inside the shell. The tension of the elastic rods when moving a load cable up is reduced and the shell extends, while its dimensions increase.

In the balloon provides the ability to control the dimensions of the shell depending on the gas pressure, thus preventing the occurrence of shell ultra-high voltages that can cause damage. However, this design does not allow you to retain the shape of the shell when you change its size, which can in some cases restrict the use of the balloon, in particular in the case of its application for placement on the surface of informational or promotional materials.

The objective of the invention is to design a tethered balloon, keeping unchanged its shape when resizing the shell.

The invention consists in that in a tethered balloon that contains haziness shell natural shape having a hole on the bottom pole, and a vertically oriented end-to-end sleeve made of gas-tight flexible material, the edges of which at one end is attached with the formation of impermeable for gas connection to the edges of the holes provided on the lower pole of the shell according to the invention the sleeve is located inside the shell, the shell has a hole on the top pole, the edges of which are attached with the formation impermeable to gas connection region of the other end of the sleeve within the sleeve passes vertically oriented rod, the ends of which are passed through holes on the upper and lower poles of the shell on the shaft freely mounted two movable plates, each of which perimeter is rigidly connected with the ends of the sleeve at one of its ends to the attachment edges of the sleeve to the edge of the hole, the sleeve is made extending from the center to the ends, on top of the shell from the top of the his and bottom poles are aprons, peripheral portions of each apron, fastened with shell elastic rods, and the Central plot is rigidly connected to one end of the rod.

It is advisable that at each end of the rod had a limiter movable washers, while the Central area of each of the aprons was rigidly connected to one end of the rod through the rigid fastening of the specified area with one of these constraints.

It is advisable that on the rod in its Central part was posted by swaging elastic ring which presses on the surface of the sleeve to the rod.

The presence of end-to-end sleeve of a flexible gas-tight material, located inside the shell and sealed at the edges with the edges of the holes at the poles of the shell, stock availability, passing inside the sleeve, the movable washers, loosely mounted on a shaft, and a hard link on the perimeter of the movable washers with the edges of the ends of the sleeves in place of their connection with the formation of gas-tight connection with the edges of the holes of the membrane causes movement of the movable washers stem from the center to its periphery in the case of increasing the gas pressure inside the shell and, on the contrary, the movement of these washers from the periphery to the center in the case of lowering the gas pressure, thereby regulation of the size of the shell according to Otdelenia gas. However due to the fact that the sleeve is made extending from the center to the ends, moving the movable washers not clamping rod surface of the sleeve.

The presence of aprons, located on top of the shell from the top and bottom poles, flexible link between these aprons means of an elastic rod with shell and rigid connection of these aprons with the ends of the rod allow you to keep the external contours of the balloon when moving the movable washers on the rod, allowing to preserve the natural shape of the balloon when resizing Gabonese shell.

The presence at each of the ends of the rod limiter movable washers, as well as rigid bond with each of the existing constraints of the Central section of one of the aprons allow the desired rigid connection of the aprons with the ends of the rod easily and thus prevent the movement of the movable washers outside of the stem.

By placing the rod in its Central part crimp elastic ring which presses on the surface of the sleeve to the shaft, prevents sagging of the sleeve under the action of gravity.

Figure 1 presents a General view of the inventive tethered balloon, figure 2 presents a view As in figure 1.

Tethered balloon contains haziness shell 1 having openings on both of its pole is. Inside the shell 1 is placed horizontally oriented end-to-end sleeve 2 made of gas-tight elastic material. The sleeve 2 is made extending from the center to its ends. Inside the sleeve 2 carries a rod 3, the ends of which are passed through the holes provided at the ends of the shell 1. On the shaft 3 is freely mounted two movable spacers 4, provided with a flange 5 (figure 2). The edges of the holes available on the poles of the shell 1, is connected with the edges of the ends of the sleeve 2 with the formation of impermeable for gas connection, for example glued or welded. Washer 4 perimeter rigidly connected with the ends of the sleeve 2 at the site of attachment of the latter to the edges of the holes in the shell 1. The specified connection is made using cuffs 6 (figure 2), in which one end is fixed connected to each other the ends of the holes in the shell 1 and the ends of the sleeve 2, and the other end secured to the flanges 5 of the spacers 4. At the ends of the rod 3 are the limiters 7 move the movable washers 4, provided with flanges 8. On top of the shell 1 from its poles are the aprons 9, is made of lightweight material, such as nylon or Dacron reinforced high strength tapes made, in particular, Kevlar (threads SVM), which connects the radial stopper 7 with the peripheral parts of the aprons 9. These aprons 9 are connected by elastic rods 10 with what Balochi 1, in particular attached to the latter by means of legs 11, made of dense fabric and glued or welded to the casing 1. The Central parts of the aprons 9 are rigidly connected to the flanges 8 stops 7 move the movable washers 4, for example glued or welded to these flanges 8. On the rod 3 in its Central part installed clamped elastic ring 12, the clamping surface of the sleeve 2 to the shaft 3. In particular, the outer surface of ring 12 attached to the inner surface of the sleeve 2 by means of glue. The shell 1 is attached tie cables 13.

The balloon works as follows.

After filling the balloon with gas it becomes a natural spherical shape, wherein the contours of the balloon is determined by the contours of the outer surface of the shell 1 and the contours of the outer surfaces of the aprons 9, located on top of the shell 1 at its poles. The rod 3 acts as a spacer that prevents the sagging of the aprons 9 and the sleeve 2 carries out a role inside the shell 1 additional elastic tie, tightening the pole of the shell 1.

In that case, when the pressure inside the gas-filled shell 1 is increased, for example by raising the temperature of the atmospheric air, under the action of high pressure peripheries of the shell 1 near its poles and regional Uch is tough sleeve 2, cuff 6 is moved in the direction from the center of the balloon to its periphery and pulling a movable washer 4. Movable washer 4 is moved on the rod 3, moving in the direction from the center of the rod 3 to its periphery, the sleeve 2 is stretched. In the result, the volume of the shell 1 and, accordingly, its size increases, due to the elasticity of the sleeve 2 and the connection of the aprons 9 shell 1 through the elastic rod configuration of the external surface of the balloon does not change and it preserves the natural spherical shape.

In that case, when the pressure inside the gas-filled shell 1 is reduced, for example, by lowering the temperature of the atmospheric air, the cuff 6 and the movable washer 4 is moved in the opposite direction, the volume of the shell 1 and, accordingly, its size decreases, however, the configuration of the outer surface of the balloon stays the same and it also preserves the natural spherical shape.

1. A tethered balloon that contains haziness shell natural shape having a hole on the bottom pole, and a vertically oriented end-to-end sleeve made of gas-tight flexible material, the edges of which at one end is attached with the formation of impermeable for gas connection to the edges of the holes provided on the lower pole of the shell, characterized in that h is on the sleeve is located inside the shell, the shell has a hole on the top pole, the edges of which are attached with the formation impermeable to gas connection region of the other end of the sleeve within the sleeve passes vertically oriented rod, the ends of which are passed through holes in the upper and lower poles of the shell on the shaft freely mounted two movable plates, each of which perimeter is rigidly connected with the ends of the sleeve at one of its ends to the attachment edges of the sleeve to the edge of the hole, the sleeve is made extending from the center to the ends, on top of the shell from the top and bottom poles are aprons, peripheral portions of each apron, fastened with shell elastic rods, and the Central plot is rigidly connected to one end of the rod.

2. Tethered balloon according to claim 1, characterized in that at each end of the rod has a stop movable washers, while the Central area of each of the aprons is rigidly connected to one end of the rod through the rigid fastening of the specified area with one of these constraints.

3. Tethered balloon according to claim 1 or 2, characterized in that the rod in its Central part is clamped elastic ring which presses on the surface of the sleeve to the rod.



 

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