EP3935337B1 - Aktive vorrichtung zur vollständigen unterdrückung des rückstosses einer feuerwaffe bezüglich der laufachse - Google Patents

Aktive vorrichtung zur vollständigen unterdrückung des rückstosses einer feuerwaffe bezüglich der laufachse Download PDF

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Publication number
EP3935337B1
EP3935337B1 EP20725805.4A EP20725805A EP3935337B1 EP 3935337 B1 EP3935337 B1 EP 3935337B1 EP 20725805 A EP20725805 A EP 20725805A EP 3935337 B1 EP3935337 B1 EP 3935337B1
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EP
European Patent Office
Prior art keywords
fluid
discharge
weapon
tank
pressure
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Application number
EP20725805.4A
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English (en)
French (fr)
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EP3935337A2 (de
EP3935337C0 (de
Inventor
Samuel DESSET
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Individual
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Publication of EP3935337C0 publication Critical patent/EP3935337C0/de
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A1/00—Missile propulsion characterised by the use of explosive or combustible propellant charges
    • F41A1/08—Recoilless guns, i.e. guns having propulsion means producing no recoil

Definitions

  • the invention belongs to the field of devices for assisting in firing a firearm.
  • the invention belongs to the field of devices for assisting in firing a firearm, by absorbing the recoil of the weapon.
  • the invention belongs to the field of devices for assisting in firing a firearm, by actively absorbing the recoil of the weapon.
  • Firing a projectile from a firearm generates a momentum that is generally applied to the breech in the direction opposite to the motion of the projectile.
  • the recoil force can be more or less significant depending on the time span during which the support will dissipate the energy associated with the recoil.
  • Recoilless barrels are for example known today, these barrels have tubes that guide a self-propelled projectile. Starting from a use for standard ammunition, they gradually found their use against anti-tank weapons. The first were used during the First World War (eg Davis gun). The combustion gases are used to push the shell into the barrel by relying on the air at the rear of the barrel.
  • First World War eg Davis gun
  • the present invention proposes a radical solution to this problem: Total inhibition in the axis of the barrel of the recoil transmitted to the support by means of a device fixed to the rear of a weapon.
  • the invention relates to a device for inhibiting the recoil of firearms, and to be effective, the device must be perfectly aligned with the axis of the projectile/breech.
  • the invention relates to a device for inhibiting recoil in the axis of the barrel intended to be implemented with a firearm according to claim 1.
  • the ultimate goal is that the fluid expelled at a certain velocity through the discharge zone equalizes in momentum that of the projectile and the burnt gases.
  • the shape of the discharge zone, the pressure and volume of the fluid in the reservoir can be optimized for each type of firearm ranging from small caliber to artillery gun.
  • the primary mechanism comprises a needle valve having a head regulating the discharge flow of fluid by sealing/unsealing the neck of the discharge zone, and the pressure rise in the pipeline causes the needle valve to move when the pressure rise is greater than the internal pressure of the tank, thereby allowing the discharge of the pressurized fluid contained in said tank.
  • the system transmitting the discharge command relies on the recoil of the breech relative to the mount or relies on the detection of gas or combustion gas pressure of the weapon to transmit the discharge command to the primary system to discharge the fluid, said discharge command being transmitted by means of a mechanism selected from an electrical, mechanical, electromechanical or hydraulic mechanism.
  • the device uses the movement of the breech relative to the frame to actuate the valve of the primary mechanism by means of an electromechanical mechanism thereby enabling the discharge of fluid.
  • the present invention provides a weapon recoil inhibiting device for attachment to the rear of a weapon.
  • the device is highly advantageous in that it can be adapted for use with various types of commercially available weapons.
  • said device is adapted to perform a fluid discharge generating a momentum counteracting the momentum generated by the projectile and the burnt gas when said weapon is fired.
  • the present invention relates to a device ( Fig. 1 ) for inhibiting the recoil in the axis of the barrel intended to be implemented with a firearm, said device carrying out a discharge of pressurized fluid in a direction opposite to the axis of the barrel to absorb the recoil of the weapon.
  • the device of the invention is particular in that it is an independent part of the weapon which is fixed to the rear of the latter and comprises specific and exclusive elements for the operation of said device.
  • the device illustrated in Figures 1-6 corresponds to an embodiment in which the system transmitting the discharge order comprises a pipe comprising an incompressible fluid capable of connecting with a gas borrow pipe of the weapon when the device is fixed with said weapon. Said pipe opens onto the primary mechanism ensuring the sealing and discharge of the tank (13) and transmits the discharge order by means of a pressure increase in said pipe, as will be detailed below.
  • This embodiment is given as an example and the device of the invention can use other mechanisms to transmit the discharge order to the primary mechanism (15) without departing from the scope of the invention.
  • the reservoir (13) contains a pressurized fluid which in this embodiment may be air.
  • This reservoir is supplied by an external system via a secondary filling mechanism (12).
  • the filling may be provided permanently or synchronized with the mechanism of the firearm.
  • the burning chemical element contained in the cartridge case (84) when the firearm (80) is fired, the burning chemical element contained in the cartridge case (84) generates hot gases that push the projectile (82) forward.
  • the piston (85) is moved by the pressure transmitting the pressure wave generated by the burning gases to the gas borrow pipe (14).
  • the fluid (14a) of this pipe will, via the pipe (16f) and (15c) accumulate in the space (14c), between the support (15a) and the tail of the needle (15g) (fig. 7).
  • This pressure increase greater than the internal pressure of the tank will move the needle (15d).
  • the movement of the latter will break the seal between the head of the needle (15f) and the rear of the neck (16b) (fig. 8), which will release the pressurized fluid into the expansion zone (16c).
  • the neck (16b) and the expansion zone (16c) take the form of a Laval nozzle.
  • This neck (16b) imposes a sonic limit on the outgoing fluid and consequently the mass flow rate of the device (10).
  • the expansion zone (16c) of divergent shape allows the expansion of this fluid by reducing pressure and increasing speed.
  • the end diameter of this zone (16d) is said to be "adapted" to allow maximum use of the energy contained in the pressurized fluid by ensuring an outlet pressure of the fluid equivalent to the pressure of the external environment.
  • the nozzle has a physical phenomenon of its own where the velocity of the fluid in its throat cannot have a speed greater than the speed of sound in the throat.
  • the flow can be subsonic, sonic, but not supersonic.
  • the pressure and temperature of the tank define the density of the fluid in the neck.
  • the throat section, the temperature and the pressure in the tank determine the mass flow rate obtained through the throat.
  • the fluid in this throat is not fully expanded and will gradually do so in the divergent until its pressure is equal to the external pressure (adapted nozzle).
  • the pressure in the nozzle diverge decreases, but the volume increases and continues to accelerate to reach its exit velocity which is a function only of the final section of the diverge.
  • This device according to the invention is particularly intended for the military field where the forces and impulses generated during firing are limiting factors in current or future designs and uses.
  • the use of the device allows, for example, self-propelled artillery systems using wheeled vehicles to be able to fire in any direction without relying on the ground.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (10)

  1. Vorrichtung (10) zum Hemmen des Rückschlags in der Achse des Laufs, die dazu bestimmt ist, mit einer Feuerwaffe eingesetzt zu werden, wobei die Vorrichtung eine Entladung eines unter Druck stehenden Fluids in einer entgegengesetzten Richtung zum Schuss des Laufs durchführt, um den Rückschlag der Waffe zu absorbieren, dadurch gekennzeichnet, dass die Vorrichtung hinten an der Waffe fixiert ist, und beinhaltet:
    - eine Stütze (11) zum Fixieren mit der Waffe ;
    - einen Behälter (13) ausschließlich für die Vorrichtung, und das zu entladende Fluid beinhaltend;
    - einen Sekundärmechanismus (12), der für die Abdichtung und das Füllen des Behälters (13) durch ein externes System sorgt, das dazu bestimmt ist, den Behälter zu versorgen, und von der Feuerwaffe unabhängig ist;
    - ein System, das einen Befehl zum Entladen (14) des Fluids überträgt, der mit dem Schuss der Waffe synchronisiert ist;
    - einen Primärmechanismus (15), der für die Abdichtung und das Entladen des Fluids sorgt;
    - ein Teil mit einer Entladezone (16), das einen Kragen (16b) beinhaltet, der mit dem Primärmechanismus (15) zusammenwirkt,
    und dadurch, dass das System, das den Befehl zum Entladen (14) überträgt, beinhaltet;
    - eine Kanalisation, die ein inkompressibles Fluid (14a) beinhaltet, und imstande ist, sich mit einer Kanalisation zur Gasdruckladung der Waffe zu verbinden, wenn die Vorrichtung mit der Waffe fixiert ist, und die Kanalisation in den Primärmechanismus (15) mündet, der für die Abdichtung und das Entladen des Fluids (13) sorgt,
    und in der Vorrichtung der Befehl zum Entladen durch das inkompressible Fluid (14a) übertragen wird, welches einen Druckanstieg in der Kanalisation zur Gasdruckladung bei einem Schuss überträgt, wobei sich der Druckanstieg im Bereich des Primärmechanismus (15) aufstaut, der konfiguriert ist, um das Entladen von Fluid unter eine bestimmte Druckschwelle zu betätigen.
  2. Vorrichtung (10) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Entladezone den Kragen (16b), eine Ausbreitungszone (16c), und einen Austrittsabschnitt (16d) beinhaltet, der eine Form einer Laval-Düse aufweist.
  3. Vorrichtung (10) nach einem der vorstehenden Ansprüche, wobei die Entladezone ein Strömungsprofil in konvergenter, danach divergenter Form aufweist, und wobei die Länge und der Durchmesser am Ende der Divergenz es ermöglichen, die Drücke zwischen dem ausgestoßenen Fluid und dem externen Milieu auszugleichen.
  4. Vorrichtung (10) nach einem der vorstehenden Ansprüche, wobei der Primärmechanismus (15) eine Nadel (15d) beinhaltet, die einen Kopf (15f) beinhaltet, der den Durchsatz zum Entladen von Fluid durch Verstopfen/Freigeben des Kragens (16b) der Entladezone reguliert.
  5. Vorrichtung (10) nach einem der vorstehenden Ansprüche, wobei der Primärmechanismus konfiguriert ist, um das Entladen einer Menge an unter Druck stehendem Fluid zu ermöglichen, wodurch eine Menge an Bewegung im Bereich eines Austrittsabschnitts (16d) der Entladezone gleich der Menge an Bewegung erzeugt wird, die durch den Schuss des Geschoßes und das Verbrennungsgas der Waffe erzeugt wird.
  6. Vorrichtung (10) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das unter Druck stehende Gas aus einem unter Druck stehenden Gas oder einem unter Druck stehenden Gasgemisch, Luft, CO2, Wasser oder jeder anderen Flüssigkeit ausgewählt ist.
  7. Vorrichtung (10) nach Anspruch 5, dadurch gekennzeichnet, dass die Entladezone bemessen ist, um die gewünschte Menge an Bewegung zu erzeugen, wenn das Fluid durch deren Austrittsabschnitt (16d) hindurchführt.
  8. Vorrichtung (10) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Primärmechanismus (15), der das Entladen des unter Druck stehenden Fluids in dem Teil mit der Entladezone (16) ermöglicht, einen Mechanismus verwendet, der aus einem elektrischen, mechanischen, elektromechanischen oder hydraulischen Mechanismus ausgewählt ist, um das Entladen von Fluid zu betätigen und/oder zu kontrollieren.
  9. Vorrichtung (10) nach einem der vorstehenden Ansprüche, wobei der Primärmechanismus eine Nadel (15d) beinhaltet, die einen Kopf (15f) beinhaltet, der den Durchsatz zum Entladen von Fluid durch Verstopfen/Freigeben des Kragens (16b) der Entladezone reguliert, und der Druckanstieg in der Kanalisation zu einer Verschiebung der Nadel (15d) führt, wenn der Druckanstieg größer als der interne Druck des Behälters (13) ist, wodurch das Entladen des unter Druck stehenden Fluids, das in dem Behälter (13) enthalten ist, ermöglicht wird.
  10. Vorrichtung (10) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung konfiguriert ist, um das Füllen des Behälters (13) aus einer externen Fluidquelle und infolge eines jeden Schusses der Waffe oder fortlaufend durchzuführen, um das vordefinierte Niveau an Fluid und/oder Fluiddruck zu erhalten.
EP20725805.4A 2019-03-04 2020-03-02 Aktive vorrichtung zur vollständigen unterdrückung des rückstosses einer feuerwaffe bezüglich der laufachse Active EP3935337B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1902159A FR3093559B1 (fr) 2019-03-04 2019-03-04 Dispositif actif d'inhibition total dans l'axe du canon du recul des armes a feu
PCT/FR2020/050413 WO2020178515A2 (fr) 2019-03-04 2020-03-02 Dispositif actif d'inhibition total dans l'axe du canon du recul des armes à feu

Publications (3)

Publication Number Publication Date
EP3935337A2 EP3935337A2 (de) 2022-01-12
EP3935337B1 true EP3935337B1 (de) 2025-02-12
EP3935337C0 EP3935337C0 (de) 2025-02-12

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EP20725805.4A Active EP3935337B1 (de) 2019-03-04 2020-03-02 Aktive vorrichtung zur vollständigen unterdrückung des rückstosses einer feuerwaffe bezüglich der laufachse

Country Status (4)

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US (1) US11624567B2 (de)
EP (1) EP3935337B1 (de)
FR (1) FR3093559B1 (de)
WO (1) WO2020178515A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465448B (zh) * 2021-06-17 2022-11-18 中国人民解放军陆军装甲兵学院 一种冷发射防暴系统
CN115540686B (zh) * 2022-12-05 2023-03-07 中国人民解放军陆军装甲兵学院 一种适用于小型无人机的冷发射系统

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US462970A (en) * 1891-11-10 krone
US1877118A (en) * 1930-12-10 1932-09-13 Gladeon M Barnes Gun
US2489748A (en) * 1942-05-07 1949-11-29 Burney Charles Dennistoun Controlled pressure gun
US2638339A (en) * 1951-02-09 1953-05-12 Us Navy Fluid buffing device
US2965000A (en) * 1951-11-07 1960-12-20 Leslie A Skinner Liquid propellant, regenerative feed and recoilless gun
DE2040863A1 (de) * 1970-08-18 1972-03-02 Eta Corp Rohrfeuerwaffe,insbesondere rueckstossfreie Kanone fuer huelsenlose Ladungen
US4050348A (en) * 1976-06-10 1977-09-27 General Electric Company Liquid propellant gun (controlled leakage regenerative piston)
US4043248A (en) * 1976-06-10 1977-08-23 General Electric Company Liquid propellant gun (recoilless regenerative piston)
US4307652A (en) * 1979-11-02 1981-12-29 Leonard Witt Muzzle-guard for firearms
US4934242A (en) * 1988-12-18 1990-06-19 General Electric Company Liquid propellant gun for projectiles of different masses and velocities
US4962689A (en) * 1989-08-01 1990-10-16 Hughes Aircraft Company Gas generator missile launch system
US7984581B2 (en) * 2004-10-29 2011-07-26 Lockheed Martin Corporation Projectile accelerator and related vehicle and method
US7418896B1 (en) * 2004-12-08 2008-09-02 The United States Of America As Represented By The Secretary Of The Army Recoilless weapon system
DE102007005939A1 (de) * 2007-02-01 2008-08-07 Oerlikon Contraves Ag Tragbare Mehrzweckwaffe
DE102014115721B4 (de) * 2014-10-29 2022-08-11 Bayern-Chemie Gesellschaft Für Flugchemische Antriebe Mbh Aktive Bremsung eines Ausstoßtriebwerkes
US11703291B2 (en) * 2020-10-21 2023-07-18 Zhisong Huang Recoilless automatic firearm

Also Published As

Publication number Publication date
WO2020178515A3 (fr) 2020-10-22
EP3935337A2 (de) 2022-01-12
FR3093559B1 (fr) 2023-03-24
FR3093559A1 (fr) 2020-09-11
WO2020178515A2 (fr) 2020-09-10
US11624567B2 (en) 2023-04-11
US20220146218A1 (en) 2022-05-12
EP3935337C0 (de) 2025-02-12

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