Patent
Arrangement for weapon
TLDR
In this paper, an arrangement for a weapon comprising a countermass (6) for reducing the pressure around the weapon is described. But the countermass is enclosed in a counter mass container (5) which can be opened at both ends (8, 28).Abstract:
The invention relates to an arrangement for a weapon comprising a countermass (6) for reducing the pressure around the weapon. The countermass (6) is enclosed in a countermass container (5) which can be opened at both ends (8, 28). The invention aims to bring about a symmetrical opening with favourable recoil in a better way than in previous constructions. This is achieved by the countermass comprising means which can bind and retain the liquid symmetrically in a desired geometry over the cross section of the barrel and the cross section of any following expansion part.read more
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Patent
Countermass and countermass weapon
Jonas Ostberg,Aake Jansson +1 more
TL;DR: In this article, a countermass is used to balance the forces arising when a launch able unit is launched from a launcher tube of a single-barrel anti-aircraft system.
Patent
Pollution-free liquid balancing device
TL;DR: In this paper, a pollution-free liquid balancing device consisting of a sealing bag (1), a front cover (2), a rear cover (3), and liquid balancing matter (4), where the sealing bag, the front cover, and the rear cover are all plastic material.
Patent
Bleeding mechanism for use in a propulsion system of a recoilless, insensitive munition
TL;DR: In this paper, a bleeding mechanism for use in the propulsion system of a recoilless, insensitive munition utilizing a utilizing a fluidic countermass is presented, where a firing pin or a similar puncture or tear device is used to block the movement of the firing pin until it is unlocked by melting of the heat sensitive material.
Patent
Controlled plastic venting for low-recoil gun systems
TL;DR: A pressure release mechanism for a sonic rarefaction wave-type low-recoil gun system employing controlled plastic venting that exhibits adiabatic shear banding to effect a delayed pressure release is described in this article.
Patent
A countermass container for use in a recoilless weapon and a recoilless weapon comprising such a countermass container
TL;DR: A countermass container for use in a recoilless weapon is described in this paper, where an envelope enclosing a countermass is divided into a front section and a rear section, and splines are provided at the front section to create ducts.
References
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Patent
Fluid coupling and seal assembly
Steven R Zillig,James E Caroll +1 more
TL;DR: In this paper, a fluid coupling and seal assembly is presented, which includes a retainer with a plurality of prongs that extend inwardly towards the second and third bores of the retainer.
Patent
Propellant charge igniter
Gunter Hubsch,Rudolf Stahlmann +1 more
TL;DR: A propellant charge igniter includes a casing that contains a central contact member, an igniter element, a sealing element associated with the element, and a powder charge.
Patent
Launching device for projectiles
TL;DR: In this paper, a launching device for a projectile comprises a barrel having an interior projectile chamber directly adjacent a muzzle opening at one end, and a sealing member moves outwardly along the interior of the barrel, but is maintained in sealing engagement with the barrel to close off the propulsion chmaber even after firing of the missile.
Patent
Expellable reaction mass for recoilless projectile launchers
TL;DR: A reaction mass for a launching tube having a centrally positioned propellant charge for propelling a missile at its forward end and a reaction mass located rearwardly of the charge which is propelled at the rear end, comprises an inert, readily fragmentizing, expellable reaction mass comprising a glass material which is internally prestressed and which disintegrates at the launch.
Patent
Recoilless and gas-free projectile propulsion
TL;DR: In this paper, a recoilless and gas-free projectile propulsion device is provided, in which a hol pressure vessel is sealed on a first end to an aft end of a projectile in a launch tube.