RU2271939C2 - Method of sealing higher or lower pressure reservoirs - Google Patents

Abstract

FIELD: airships, inflatable rafts, boats, jackets, fun-fair machines receivers of compressors, automobile tires, receivers of vacuum pumps, etc.

SUBSTANCE: method of sealing higher of lower pressure reservoirs includes use of pressure differential between space and reservoir. Great number of communicating spaces are formed by means of flexible partition on surface of reservoir from side of higher pressure, and if intactness of reservoir is violated, space in place of damage is compressed by flexible partitions using difference in pressures.

EFFECT: restoration of sealing of higher or lower pressure reservoirs at violation of their intactness.

8 dwg

Description

The invention relates to tanks of high and low pressure, can be used to restore the tightness (self-sealing) of airships, inflatable rafts, boats, vests, inflatable attractions, compressor receivers, car tires, vacuum pump receivers, etc.

A known method of sealing a vacuum chamber with two hollow sealing elements by supplying compressed air into the cavity from the atmosphere and evacuating the space between them (see A.S. USSR No. 1006833, IPC ⁷ F 16 J 15/46, published on 03.23.1983 .)

The disadvantage of this method is the lack of self-sealing of the tank when it is damaged.

Closest to the claimed method is a method of sealing the tank, including the use of the pressure difference between the cavity and the tank (see A.S. USSR No. 974015, IPC ⁷ F 16 L 17/03 // F 16 J 15/46, publ. 15.11. 1982)

The disadvantages of the prototype are that to maintain the pressure difference between the cavity formed by two elastic gaskets and the capacity, you need a complex device, including a high pressure source, pressure regulator, etc., as well as the lack of self-sealing capacity.

An object of the invention is to restore the tightness of the tank of high or low pressure in violation of its integrity.

This technical problem is achieved by the fact that in the known method of sealing a vessel of high or low pressure, including the use of the pressure difference between the cavity and the tank, according to the invention create a lot of communicating cavities using elastic partitions on the surface of the tank from the high pressure side and if the integrity of the tank is violated, that cavity , which is located at the site of violation, is compressed by elastic partitions using the pressure difference.

This method allows to increase the degree of reliability of the preservation of pressure in the tank when it is damaged.

The invention is illustrated by drawings, where figure 1-8 depicts options for using the method.

An example of a specific implementation of the method.

As an example, we use an inflatable lifebuoy camera (see figure 1) that implements the proposed method. The chamber consists of a shell 1 having elastic partitions 2 dividing the chamber into a plurality of communicating cavities 3. A hole 4 (puncture) is formed in the shell 1.

The chamber is under pressure P. The integrity of the chamber is violated by the hole 4 formed in the shell 1 (for example, a puncture) in the area of one of the cavities 3. The pressure inside the cavity 3 located between the elastic partitions 2 closest to the hole 4 changes and becomes equal to the pressure P ₁ for her shell. Therefore, a pressure difference appears on the sides of the elastic partitions 2 located on both sides of the damaged cavity 3. Since the partitions 2 are made of elastic material, the pressure difference on the sides of the partitions 2, equal to the value of PP ₁ , deforms them towards the cavity 3 with less pressure until the partitions 2 are compressed between each other and holds them in this position, eliminating the communication of the cavity 3 with the camera and restoring its tightness.

Figure 2 presents a fragment of a pressure vessel with a rigid shell 1 (compressor receiver) having a coating inside with elastic partitions 2 forming cavities 3 that implements the proposed method.

Figure 3 presents a fragment of a container of reduced pressure with a rigid shell 1 (receiver of a vacuum pump) having an outside coating with elastic partitions 2 forming cavities 3 that implements the proposed method.

Figure 4 presents a fragment of a container of reduced pressure with a rigid shell 1 having an outside coating, consisting of elastic partitions 2 in the form of rings forming cavities 3, which implements the proposed method.

Figure 5 presents a fragment of a pressure vessel with a rigid shell 1 having a coating inside, consisting of elastic partitions 2 in the form of rings forming cavities 3, which implements the proposed method.

Figures 6 and 7 show the options for coating the surface, respectively, inside and outside the container 1, with elastic partitions 2, forming cavities 3 in the form of honeycombs, which implements the proposed method.

On Fig presents a variant of the shape of the cavities 3 formed by elastic partitions 2, from which the coating of the tank, which implements the proposed method, can consist.

The container shell may have a protective coating consisting of cavities formed by elastic partitions 2 both over the entire surface and in the region of the most likely violation of its integrity.

Using the proposed method in comparison with the prototype will increase the degree of reliability of the preservation of pressure in the tank in violation of its integrity due to self-sealing.

Claims (1)

A method of sealing a vessel of high or low pressure, including the use of a pressure difference between the cavity and the vessel, characterized in that a plurality of communicating cavities are created using elastic partitions on the surface of the vessel from the high pressure side and in case of violation of the integrity of the vessel, the cavity located at the site of violation squeezed by elastic partitions using the pressure difference.

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