EP2473812A1 - Weapon recoil system - Google Patents
Weapon recoil systemInfo
- Publication number
- EP2473812A1 EP2473812A1 EP10745556A EP10745556A EP2473812A1 EP 2473812 A1 EP2473812 A1 EP 2473812A1 EP 10745556 A EP10745556 A EP 10745556A EP 10745556 A EP10745556 A EP 10745556A EP 2473812 A1 EP2473812 A1 EP 2473812A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weapon
- pressure
- barrel
- return system
- gun barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/02—Fluid-operated systems
-
- 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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/02—Fluid-operated systems
- F41A25/04—Fluid-operated systems adjustable, e.g. in relation to the elevation of the gun
-
- 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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/16—Hybrid systems
-
- 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
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
- F41A3/78—Bolt buffer or recuperator means
- F41A3/90—Fluid buffers
Definitions
- the invention is concerned with a returning barrel and its braking during and after firing a certain return / Vorlaufweg.
- a further weapon barrel storage with a pipe guide housing between gun barrel and weapon housing is known.
- the storage of the gun barrel in the front area allows for a movable pipe guide and is formed by heat-independent steel.
- the rear storage at the end of the gun barrel should be as far away as possible away from the front, so as to avoid directional errors.
- a gun barrel brake based on a brake piston is described in DE 102 32 014 A1, a weapon recoil brake with forward damping DE 38 24 153 A1.
- the invention has as its object to show a weapon return system, the aushelmd with low volume realized the reduction of the kinetic energy of the returning gun barrel and a prefetching in firing position.
- the invention is based on the idea to design a relatively simple return design without the previously required control devices in the hydraulic tube brakes.
- the gun barrel is supported on a compressed gas cushion. In this forward position, the gun barrel is held. By firing the gun barrel kinetic energy is supplied. This energy is stored at the end of the return as volume change work in the gas cushion.
- a piston fixedly connected to the barrel is in a space filled with a liquid. This piston is pulled through the liquid during the pipe return and the pipe advance and is designed so that the pipe return a large cross section for the flow of the liquid is open, so that a relatively low back pressure arises. On the other hand, only a small cross-section is open during the pipe advance, resulting in a large back pressure.
- the strained gas cushion pushes or pushes the gun barrel at a relatively constant speed back into the forward position.
- the volume change work of the gas is converted into heat energy during the flow at a throttle point.
- the initial pressure of the gas cushion can be varied to accommodate different loads and / or caliber adapted to minimize the weapon load.
- a use with small and medium caliber weapons as well as large caliber weapons is conceivable.
- FIG. 1 is a schematic representation of a weapon with weapons return system - in perspective from behind
- FIG. 2 is a perspective view of the weapon in a partially cutaway view - in perspective from the front
- Fig. 3 is a side sectional view of the weapon with the weapon return system.
- Fig. 1 shows parts of a weapon 1 with a gun barrel 2 and a weapon return system 3, consisting at least of a pressure vessel 4 and a pressure cylinder 5 with pressure piston (11).
- a weapon housing 6 serves to receive the weapon barrel 2 and is preferably enclosed by a heat sink 7 at least in the area of the cartridge chamber of the weapon barrel 2.
- Fig. 3 shows the complete structure of the weapon return system 3 in a sectional view.
- the weapon barrel 2 is axially displaceably guided in the weapon housing 6, wherein in a preferred embodiment, the weapon housing 6 itself is designed so that when built gun barrel 2 between the pipe guide sides, a space 20 is formed in the circular ring cross-section and from the gun barrel end another cylindrical space 21 is formed, so that the pressure cylinder 5 is easily and easily attachable to the gun barrel end.
- the space 20 in turn forms in a simple manner a brake cylinder 9 filled with a brake fluid.
- the weapon tube end is connected to the piston 11 and guide parts and seals 10, 12 for compressing a gas cushion in the pressure cylinder 5, and in the central region with an annular piston 13 with flow channels.
- a spring 8 sleeve 17 (sliding sleeve) closes these channels at standstill and pipe advance.
- this sleeve 17 is displaced by the flowing fluid, so that the channels are open.
- another guide and sealing system is integrated and labeled 15.
- the piston 11 is designed so that a large cross-section for the flow of liquid is open at the pipe return and a relatively low back pressure arises in the pipe flow, however, only a small cross-section is open, so that a large back pressure arises.
- the flange on the weapon housing 6 pressure vessel 4 contains the intended pressure gas volume.
- a heat compensation system 16 in the pressure vessel 4 serves to compensate for the change in the volume of liquid due to the influence of temperature.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910039548 DE102009039548A1 (en) | 2009-09-01 | 2009-09-01 | Weapons return system |
PCT/EP2010/005011 WO2011026561A1 (en) | 2009-09-01 | 2010-08-14 | Weapon recoil system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2473812A1 true EP2473812A1 (en) | 2012-07-11 |
EP2473812B1 EP2473812B1 (en) | 2013-10-02 |
Family
ID=43015758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10745556.0A Not-in-force EP2473812B1 (en) | 2009-09-01 | 2010-08-14 | Weapon recoil system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2473812B1 (en) |
DE (1) | DE102009039548A1 (en) |
WO (1) | WO2011026561A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012022682B8 (en) | 2012-11-21 | 2015-05-13 | Rheinmetall Waffe Munition Gmbh | Tube weapon with a mass-locking locking system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2413703A (en) * | 1943-07-24 | 1947-01-07 | Henry C Fischer | Piece of ordnance |
US4108046A (en) * | 1975-06-06 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Navy | Liquid-gas constant force recoil spring |
DE2921542A1 (en) * | 1979-05-28 | 1980-12-04 | Alfons Georg Zeis | Hydraulic breech for automatic weapon - has larger and smaller pistons inside cylindrical chamber, with smaller piston passing trough partition |
DE3824153A1 (en) | 1988-07-16 | 1990-04-26 | Rheinmetall Gmbh | ARM PIPE RETURN BRAKE WITH FORWARD DAMPING |
DE10232014B4 (en) | 2002-07-16 | 2011-01-05 | Rheinmetall Waffe Munition Gmbh | Barrel brake |
DE102006003510A1 (en) * | 2006-01-24 | 2007-07-26 | Oerlikon Contraves Ag | Gas spring for a revolver or cap gun |
DE102006014155A1 (en) | 2006-03-24 | 2007-09-27 | Rheinmetall Waffe Munition Gmbh | Hydropneumatic braking and recuperation system e.g. for recoil cannons, has adjustable working piston arranged between gun barrel of cannon and non-return mechanism |
DE102007050014A1 (en) | 2007-10-17 | 2009-04-30 | Rheinmetall Waffe Munition Gmbh | Barrel storage |
DE102007051246A1 (en) | 2007-10-26 | 2009-04-30 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Small or medium caliber machine gun |
-
2009
- 2009-09-01 DE DE200910039548 patent/DE102009039548A1/en not_active Withdrawn
-
2010
- 2010-08-14 WO PCT/EP2010/005011 patent/WO2011026561A1/en active Application Filing
- 2010-08-14 EP EP10745556.0A patent/EP2473812B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2011026561A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2011026561A1 (en) | 2011-03-10 |
EP2473812B1 (en) | 2013-10-02 |
DE102009039548A1 (en) | 2011-03-03 |
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