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US 2021/0010774 A1Published application
Method for Improving the Efficiency of Recoil Brake and Gun Provided with Recoil Brake
OwnerFerenc Apolczerinventor
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OwnerFerenc Apolczerinventor
Estimating the term…
The invention relates to a gun provided with recoil brake (14) and a method for improving the efficiency of the same. During the method a portion of the gunpowder gases burnt by means of the oxidant present in the barrel (2) of the gun but still containing inflammable material is introduced as the primary medium from the barrel (2) of the gun into the nozzle (9) of an ejector and the secondary medium is thus pumped in for forming a pre-mixture which is introduced into the combustion chamber of a pulsating reactive drive mechanism (10) acting in a direction opposite to the direction of the shot. This mixture is further burnt by means of the medium containing oxidant present in the drive mechanism (10), the combustion product is led out through the blow pipe (18) and the flow-back taking place during combustion is avoided by means of a valve. The barrel has gas port openings (3) from which the gunpowder gases as primary medium are introduced into the mixed medium transport duct (5) connected to the secondary medium transport duct (4) of the variable operation ejector (8), and in this manner the external oxidant containing medium is pumped in. This mixture from the direction of the nozzle (9) is introduced into the combustion chamber (13) of a pulsating reactive drive mechanism (10), and the flow back is prevented by the ram pressure of the mixture flowing into the combustion chamber (13) through the nozzle (9). The medium present in the combustion chamber (13) is compressed and after the pressure exceeds the pressure in the barrel (2) due to the processes taken place in the combustion chamber (13) and the flow turns back, the combustion product gases as a new primary medium flowing through the nozzle (9) together with the medium transported from the barrel (2) through the mixed medium transport duct (5) and with the medium again transported from the external environment through the secondary medium transport duct (4) is pressed into the afterburner chamber (17) provided on the other side of the variable operation ejector (8) where this mixture is further burnt in the presence of a catalyst reducing the activation energy of the combustible material, then the combustion product is exhausted through the blow pipe (18).
Method for improving the efficiency of the recoil brake in which a portion of the gunpowder gases burnt by means of the oxidant present in the barrel of the gun but still containing inflammable material is introduced as the primary medium from the barrel of the gun into the nozzle of an ejector and the secondary medium is thus pumped in for forming a pre-mixture, and it is introduced into the combustion chamber of a pulsating reactive drive mechanism acting in a direction opposite to the direction of the shot where this mixture is further burnt by means of the medium containing oxidant present in the drive mechanism, the combustion product is led out through the blow pipe and the unbeneficial flow-back taking place during combustion is avoided by means of the one-way valve, characterized in that barrel gas port openings (3) are used from which the gunpowder gases as primary medium are introduced into the mixed medium transport duct (5) connected to the secondary medium transport duct (4) of the variable operation ejector (8), and in this manner the external oxidant containing medium is pumped in, then this mixture from the direction of the nozzle (9) is introduced into the combustion chamber (13) of a pulsating reactive drive mechanism (10), and the flow back is prevented by the ram pressure of the mixture flowing into said combustion chamber (13) through said nozzle (9);
Gun provided with recoil brake to the barrel of which a pulsating reactive drive mechanism acting in a direction opposite to the direction of the shot is connected, the pulsating reactive drive mechanism has an intake opening provided with a mechanic valve and a blow pipe through which the combustion product is exhausted, the portion of the barrel nearer to the muzzle has a duct forming a part of an ejector the axis of which is different from the axis of the barrel, the ducts of the ejector on the one side are directed towards the interior space of the barrel and the external environment while on the other side they are directed towards the combustion chamber of the pulsating reactive drive mechanism characterized in that the barrel (2) is provided with gas port opening(s) (3) formed similarly to the interior of the Laval nozzle and the axis of said gas port opening (3) is directed from the interior space of said barrel (2) towards the mixed medium transport duct (5) of the variable operation ejector (8) of the gun provided with recoil brake (14), the outward opening (6) of this duct is led out at the narrowest cross-section of the nozzle (9) also forming a part of said variable operation ejector (8) and faces the combustion chamber (13), opposite said combustion chamber (13) on the other side of said nozzle (9) the gun provided with recoil brake (14) has an afterburner chamber (17) and after that a blow pipe (18) is arranged.
Dependencies are inferred from the claim text.