RU2783549C1 - Closed hyperboloid muzzle brake compensator - Google Patents

Abstract

FIELD: weaponry.

SUBSTANCE: closed hyperboloid muzzle brake-compensator consists of a main body, a rear cover, a front cover, inside the main body there is an internal separator body, which consists of an inner body, a separator body cover, partitions, retaining rings and is installed in the front cover. Internally, the body-separator is a hollow cylinder with successive partitions, while the shape of the partitions is made in the form of a hyperboloid of revolution.

EFFECT: increasing the durability of the muzzle device of the weapon, eliminating the appearance of a muzzle flame during the first and subsequent shots, maximizing the sound reduction from the muzzle wave, providing the maximum possible masking of the firing position, reducing recoil when fired, increasing the mobility of the shooter with the weapon, reducing the size and weight.

3 cl, 5 dwg

Description

The field of technology to which the invention relates: a closed hyperboloid muzzle brake-compensator refers in general to firearms, in particular to muzzle devices of weapons designed for firing serial cartridges at a supersonic bullet speed and can be used to effectively muffle sound when fired, eliminating the appearance of flames and reduced recoil.

The prior art patents RU 2703919 C1, F41A 21/00, F41A 21/34 dated 10/22/2019, Bull. No. 30 "Muzzle device of small arms"; RU 2709294 C1, F41A 21/30, F41C 7/11 dated 12/17/2019, Bull. No. 35 "Muzzle device for smooth-bore hunting weapons"; RU 201308 U1, F41A 21/34 dated 12/09/2020, Bull. No. 34 “Muzzle brake flash hider”, which describes devices for reducing the sound level and recoil of weapons, while having a number of disadvantages in the form of sparks when firing standard cartridges at supersonic bullet speeds, rapid wear due to heating and deformation of the case and internal additional partitions, including during automatic firing in a continuous burst, noise, strong recoil and large overall characteristics, entailing a large mass.

Also known from the prior art is the “Cantilever reactive muzzle brake” (patent RU 2741127 C1, F41A 21/00, F41A 21/30, F41A 21/34 dated 01/22/2021, Bull. No. 3), selected as the closest analogue, containing a housing , a coupling with a ferrule and a thread and successively arranged coil-distributors, a front cover with a through hole, with holes around the circumference of the cover plane. The coupling and cover of this device are connected to the body with a thread and are fixed from unwinding.

However, this device has a number of disadvantages, expressed in the use of splitter coils, which are two truncated cones connected at the vertices with different inclination angles of the generators and holes in the generators themselves, which have a high design and technological complexity and a large mass due to thick-walled parts. And also due to the fact that the body of the device is both an outer shell and a guide for the divider coils - low structural rigidity, which reduces the durability and safety of the device as a whole. If the outer case of the device is broken, it will obviously lose its functionality and be unusable.

Also, in the closest analogue, it is proposed to use a replaceable sleeve for fixing it on the barrel of a weapon without a thread. This clutch is fixed on the barrel of the weapon by tightening screws. Such a technical solution significantly increases the wear of the barrel of the weapon at the place where the coupling is attached, reduces the durability of the weapon as a whole, and can lead to the bullet getting stuck in the bullet channel.

The disclosure of the essence is connected with the problem, the solution of which is directed by the claimed invention. This technical task is to create an effective closed hyperboloid compensator muzzle brake with increased requirements for service life and improved performance, such as: minimum weight, convenience and safety, complete absence of muzzle flame, maximum reduction in shot sound.

The technical result of the present invention is to increase durability, eliminate the appearance of muzzle flame during the first and subsequent shots, the maximum reduction of sound from the muzzle wave and, therefore, provide the maximum possible masking of the firing position, as well as reduce recoil when fired, increase the mobility of the shooter with a weapon by reducing size and weight reduction.

The technical result is achieved by the fact that the closed hyperboloid muzzle brake compensator contains the main body, the back cover with a central threaded hole for attaching to the weapon barrel, the front cover with a central hole for the bullet exit and three through holes made around the circumference for the removal of powder gases, inside the main body an internal separator is located. The inner body-separator is a hollow cylinder, closed by an interference fit with a lid with four through holes made around the circumference to remove powder gases on one side and a front lid on the other, with thin-walled partitions installed in series, which are connected along the outer cylindrical part to ensure coaxiality, while the inner part of the partitions is made in the form of a hyperboloid of revolution with a central hole for the passage of a bullet. Retaining rings are installed between the partitions, which are necessary for reliable fixation of the partitions in the inner casing and relative to each other. The partitions are oriented with a hole for the passage of a bullet to the barrel of the weapon and, when the front cover is screwed into the body-separator, they are pressed against each other through the retaining rings and form a number of compartments - expansion chambers with their inner part.

Brief description of the drawings explaining the essence of the proposed invention:

- in Fig. 1 shows a longitudinal section of the muzzle brake of a closed hyperboloid compensator;

- in Fig. 2 shows the back cover;

- in Fig. 3 shows the cover of the separator housing;

- in Fig. 4 shows a partition;

- in Fig. 5 shows the front cover.

An embodiment of the invention. The muzzle brake compensator closed hyperboloid contains the main body 2 (Fig. 1), in which the rear cover 1, the body-separator 3, the front cover 7 are threaded. 6, retaining rings 8 and installed in the front cover 7.

The main body 2 is a hollow cylinder with a smooth inner surface, in which an internal thread is made on both sides to secure the rear and front covers. On the inner surface of the housing, the cover of the separator housing is centered.

The back cover 1 is made with a threaded hole in the center for mounting on the barrel of a weapon and a hole for the passage of a bullet when fired, while the size of the thread and the diameter of the hole in the cover depend on the caliber of the weapon on which the invention is installed, and an external thread is also made on the cover, for installing it in the main body 2.

The separator housing 3 consists of an inner housing 4, which is a hollow cylinder with a smooth inner and outer surface and an external thread, on the one hand, to secure it to the front cover 7. On the other hand, an interference fit is installed on the separator housing cover of the housing-separator 5, with four through holes made around the circumference. Inside the body-separator, baffles 6 and retaining rings 8 are successively arranged. The baffles 6 are thin-walled, they are connected with the smooth inner surface of the inner body and between themselves along the outer cylindrical part to ensure alignment, while the inner part of the baffles is made in the form of a hyperboloid of revolution with a central hole for the passage of a bullet when fired, while the diameter of the opening of the bullet channel depends on the caliber of the weapon on which the invention is installed. Between the partitions 6 there are retaining rings 8, which are necessary for reliable fixation of the partitions in the inner housing 4 and relative to each other. Partitions 6 are oriented with a hole for the passage of a bullet to the barrel of the weapon and when the front cover 7 is screwed into the body of the separator 3, they are pressed against each other through the retaining rings and form a number of compartments - expansion chambers with their inner part. To ensure a more complete filling of the expansion chambers with powder gas, the holes in the partitions are made with a minimum clearance relative to the caliber of the weapon. The number of partitions can be different, for example, when using high-powered cartridges or weapons with a shortened barrel, the number of partitions can be increased.

The front cover 7 is made with an external thread for its installation in the main body 2, a hole in the center for the passage of a bullet when fired, and three through holes made around the circumference for the removal of powder gases. In this case, the hole in the center depends on the caliber of the weapon on which the device is installed.

The details of the muzzle brake of a closed hyperboloid compensator can be made of various steels, including heat-resistant and stainless steels, alloys of various grades, including those based on copper and aluminum, carbon fiber, including carbon fiber.

The invention works as follows:

A closed hyperboloid muzzle brake is installed on the muzzle of the weapon along the thread in the back cover 1, when fired, hot powder gases following the bullet along the bullet channel enter the volume of the preliminary chamber formed between the back cover 1, the inner surface of the main body 2 and the body cover - separator 5, where they expand and are pre-braked and cooled. The energy of the impact of powder gases on the cover of the separator body 5 creates an impulse of force in the direction opposite to the force of the shot, thereby achieving the effect of reducing recoil, part of the powder gases is discharged through four holes made in the cover along the circumference, into the cavity between the main body 2 and the separator body 3 Further, when the bullet enters the body-separator 3, the flow of pre-cooled powder gases continues to move behind the bullet and begins to be cut by partitions 6. Due to the fact that the inner part of the partitions 6 is made in the form of a hyperboloid of revolution, cutting off the powder gases following the bullet, occurs as efficiently as possible, while the gases cut off by the hyperboloid surface of the partition 6 enter the expansion chambers formed by the internal part of the partitions, where, due to the configuration of the expansion chamber, they gradually lose their speed, expand and cool. Reducing the speed of movement and expanding the volume of gases allows the previously unburned powder particles to burn out. Due to the fact that the powder gases are separated into smaller volumes in the pre-chamber and in the expansion chambers, the sound of the shot is reduced. Further, in the expansion chamber, the volume of incoming cooled gases is reversed, which tend to exit the expansion chamber back into the bullet channel, and since at this moment the movement of gases continues through the bullet channel, which come from the preliminary chamber and follow the bullet, a collision of oppositely moving gas flows occurs, which leads to a decrease in their speed of movement, cooling, and burning out of previously unburned powder particles due to the burning out of all unburned particles in the internal volume of the separator housing, which entails the exclusion of the appearance of a muzzle flame. After the bullet passes through the bullet channel and exits through the hole in the front cover 7, through the central hole, and also after the passage of gases through the cavity between the main body 2 and the separator body 3, cooled gases exit into the atmosphere through three holes in the front cover.

Thus, the release of gases into the atmosphere after the muzzle brake of the closed hyperboloid compensator occurs at a lower speed and lower temperature, which eliminates the appearance of a muzzle flame and provides the best masking of the firing position. The recoil of the weapon when fired is compensated by the impact energy of the powder gases. Due to the use of thin-walled partitions in the design of the body-separator, the weight of the invention as a whole is reduced and, accordingly, the mobility of the shooter with the weapon is increased.

Claims (3)

1. The muzzle brake-compensator is closed hyperboloid, containing the main body, the rear cover mounted on the thread with a central threaded hole for attaching to the barrel of the weapon, the front cover installed on the thread with a central hole for the bullet exit, the inner body-separator, which is a hollow cylinder, closed by a lid installed with an interference fit on one side and a front lid on the other, characterized in that thin-walled partitions are successively installed inside the separator housing, the inner part of which is made in the form of a hyperboloid of revolution with a hole for the passage of a bullet, the partitions are oriented by the hole for the passage of a bullet to the barrel of the weapon, and when screwing along the thread of the front cover into the separator case, they are pressed against each other, and with their inner part they form a number of compartments - expansion chambers. 2. The muzzle brake-compensator according to claim 1, characterized in that four through holes are made around the circumference in the cover of the body-separator for the removal of powder gases. 3. Muzzle brake-compensator according to claim 1, characterized in that in the front cover around the circumference there are three through holes for the removal of powder gases.

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