EP3411653B1 - Schallwellenabsorptionsmodul und vorrichtung damit - Google Patents

Schallwellenabsorptionsmodul und vorrichtung damit Download PDF

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Publication number
EP3411653B1
EP3411653B1 EP16813006.0A EP16813006A EP3411653B1 EP 3411653 B1 EP3411653 B1 EP 3411653B1 EP 16813006 A EP16813006 A EP 16813006A EP 3411653 B1 EP3411653 B1 EP 3411653B1
Authority
EP
European Patent Office
Prior art keywords
absorption
module
sound wave
soundwave
central conduit
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.)
Not-in-force
Application number
EP16813006.0A
Other languages
English (en)
French (fr)
Other versions
EP3411653A1 (de
Inventor
Florent Cheinet
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FCD
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FCD
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Publication of EP3411653A1 publication Critical patent/EP3411653A1/de
Application granted granted Critical
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Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/30—Silencers
    • 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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/32—Muzzle attachments or glands
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Definitions

  • the invention relates to a sound wave absorption module and to a device comprising it as a silencer, as described in EP0107273 A .
  • the projectile In the case of handguns or cannons, the projectile, whether a bullet or a shell, coming out of the barrel of the weapon produces a sound wave, called a mouthwash, forming the detonation.
  • This muzzle wave is a wave of air pressure produced by the projectile that pushes the air out of the barrel: when the air thus pushed out of the barrel end, it relaxes suddenly and creates this detonation.
  • this mouth wave is an instantaneous phenomenon, without continuity, whose amplitude is very high for a very short time, then disappears.
  • the muzzle wave is dependent on the dimensions and shapes of the projectile head pushing the air out of the barrel. In order to minimize the detonation heard, it is necessary to optimally absorb the maximum of sound wavelengths forming the mouth wave thus generated.
  • a sound wave such as a mouthwash
  • a housing extending at a distance and facing the central duct coaxially, and an absorption chamber delimited in part by the central duct and the housing.
  • THE absorption chamber then comprises a sound wave damper such as air (the device then forms a simple hollow cylinder), or a flexible material such as rock wool or any other foam-type material, or a shock absorber solid like a stack of metallic sound baffles like slightly domed metal washers.
  • An object of the invention is to provide a module, and therefore a device for absorbing a sound wave that is simple to use, adaptable while being lightweight and compact.
  • a sound wave absorption module comprising a perforated central duct in which a sound wave is intended to propagate, a casing extending at a distance and facing the centrally coaxial duct, an absorption chamber delimited in part by the central duct and the casing, and an elastically deformable pocket positioned in the absorption chamber so as to surround at least part of the central duct, the pocket containing a absorption fluid.
  • the module is simple.
  • the elastically removable deformable pouch is compact and can be filled before use with a fluid such as water from a gourd. This also allows an on-the-fly adaptation of the absorption module.
  • the module according to the invention is simple to use, adaptable while being lightweight and compact
  • a device for absorbing a sound wave comprising a gun in which a sound wave is intended to propagate, and an absorption module for a sound wave having at least one sound wave.
  • the central duct forming the barrel.
  • the absorption module of a sound wave 1 according to the invention is of generally cylindrical shape, here of revolution. It comprises an outer housing 10 having a first end 11 and a second end 12. The housing 10 delimits externally an absorption chamber 40.
  • the absorption chamber is internally delimited by a central perforated conduit 20.
  • the central conduit 20 is delimited by a wall 21.
  • the wall 21 has through holes for establishing fluid communication between the central duct 20 and the absorption chamber 40.
  • a diameter of the central duct 20 is greater, slightly, than that of a barrel on which it is installed.
  • the openings of the central duct 20 made by the through orifices of the wall 21 allow the passage of the mouthwave, generated during the expulsion of the projectile from the barrel, in the absorption chamber 40.
  • the wall 21 is partly made by a net with a rigid mesh such as a grid.
  • the absorption module of a sound wave 1 comprises a pocket 30 elastically deformable.
  • This pocket 30 is removably positioned in the absorption chamber 40 so as to surround all or part of the central duct 20.
  • the pocket 30 is, prior to its positioning within the absorption chamber 40, filled with a fluid 31.
  • the fluid 31 is a liquid fluid having a viscosity adapted to the mouthwave to be absorbed.
  • the fluid 31 is water.
  • a user of the absorption module of a sound wave 1 according to the invention can use the water of its gourd or a water point nearby (puddle, river, lake, ...) .
  • the pocket 30 is made of flexible plastic material such as a plastic bag for example.
  • the pocket 30 is made of silicone or latex.
  • the pocket 30 is a condom.
  • the pocket 30 is thus easily transportable and compact.
  • the user refills the bag 30 with a fluid 31. Then, he introduces the bag thus filled into the absorption chamber 40. one 12 of the ends 11,12 of the housing 10 which is open, the other end 11 being closed. Optionally, a closure cover (not shown) can be positioned on the open end 11 of the housing 10. The absorption module of a sound wave 1 according to the invention is then ready to be positioned on a gun.
  • Such a structure of the absorption module of a sound wave 1 according to the invention makes it possible to use a more or less viscous liquid as a shock absorber for sound waves. Indeed, the liquids have a strong absorption of the energy of the sound waves.
  • the structure of the absorption module of a sound wave 1 according to the invention has the advantage of being simple, easily adaptable to the mouthwave to be absorbed, and therefore space-saving.
  • a device for absorbing a sound wave according to the invention 100 comprises a single absorption module of a sound wave 1 according to the invention.
  • the absorption device of a sound wave according to the invention 100 comprises a gun 120 which is formed by the central duct 20 of the absorption module of a sound wave 1 according to the invention.
  • the absorption device of a sound wave according to the invention 100 comprises a series of absorption modules 1,2,3,4 abutted to each other so that the barrel 120 is formed of a succession of conduits central absorption modules of a sound wave.
  • the series of modules absorption comprises four absorption modules 1,2,3,4 including an absorption module of a sound wave 1 according to the invention.
  • the absorption module of a sound wave 1 according to the invention has a length 14 and an external diameter d4.
  • the second absorption module 2 has a length l1 and an external diameter d1.
  • the third absorption module 3 has a length l2 and an external diameter d2.
  • the fourth absorption module 3 has a length 13 and an external diameter d3.
  • the lengths 11, 12, 13 and 14, and the diameters d1, d2, d3 and d4 may be different from each other.
  • the number and order of assembly of the absorption modules to form the absorption device of a sound wave according to the invention 100 is not limited to the example given in FIG. figure 3 .
  • Such modularity in the types and dimensions of absorption modules and / or the number of absorption modules assembled to form the absorption device of a sound wave according to the invention 100 makes it possible to optimally obtain an absorption (or attenuation) maximum of the muzzle wave generated by a given projectile for a given ejection speed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Claims (10)

  1. Modul zur Absorption einer Schallwelle (1), das einen durchbrochenen zentralen Kanal (20), in dem eine Schallwelle bestimmt ist, sich auszubreiten, ein Gehäuse (10), das sich in Abstand zum zentralen Kanal und demselben zugewandt koaxial erstreckt, und eine Absorptionskammer (40) umfasst, die zum Teil vom zentralen Kanal und dem Gehäuse begrenzt wird, dadurch gekennzeichnet, dass es weiter eine elastisch verformbare Tasche (30) umfasst, die so in der Absorptionskammer positioniert ist, dass sie den zentralen Kanal mindestens zum Teil umgibt, wobei die Tasche ein Absorptionsfluid (31) enthält.
  2. Modul nach Anspruch 1, dadurch gekennzeichnet, dass das Fluid eine Flüssigkeit, insbesondere Wasser ist.
  3. Modul nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass der zentrale Kanal eine Wand (21) umfasst, die Durchgangsöffnungen so umfasst, dass die Absorptionskammer und der zentrale Kanal in Fluidkommunikation gebracht werden.
  4. Modul nach Anspruch 3, dadurch gekennzeichnet, dass die Wand mindestens zum Teil von einem Netz mit starrer Vermaschung gebildet wird.
  5. Modul nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Tasche aus nachgiebigem Kunststoffmaterial ausgeführt ist.
  6. Modul nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Tasche aus Latex oder aus Silikon ausgeführt ist.
  7. Vorrichtung zur Absorption einer Schallwelle (100), die einen Lauf (120) umfasst, in dem eine Schallwelle bestimmt ist, sich auszubreiten, dadurch gekennzeichnet, dass sie ein Modul zur Absorption einer Schallwelle (1) nach einem der Ansprüche 1 bis 6 umfasst, wobei der zentrale Kanal den Lauf bildet.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass sie eine Reihe von Modulen zur Absorption einer Schallwelle (1, 2, 3, 4) umfasst, die so aneinander liegen, dass der Lauf von einer Abfolge der zentralen Kanäle der Module gebildet wird.
  9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Absorptionsmodule unterschiedliche Abmessungen, insbesondere unterschiedliche Längen und/oder Durchmesser aufweisen.
  10. Vorrichtung nach einem der Ansprüche 8 bis 9, dadurch gekennzeichnet, dass jedes Absorptionsmodul in der Absorptionskammer ein Dämpfungselement umfasst, ausgewählt aus einer Schaumstoffdämpfung, einer Feststoffdämpfung und einer Fluiddämpfung.
EP16813006.0A 2016-02-02 2016-11-22 Schallwellenabsorptionsmodul und vorrichtung damit Not-in-force EP3411653B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1650796A FR3047347B1 (fr) 2016-02-02 2016-02-02 Module d'absorption d'une onde sonore et dispositif le comprenant
PCT/FR2016/053055 WO2017134354A1 (fr) 2016-02-02 2016-11-22 Module d'absorption d'une onde sonore et dispositif le comprenant

Publications (2)

Publication Number Publication Date
EP3411653A1 EP3411653A1 (de) 2018-12-12
EP3411653B1 true EP3411653B1 (de) 2019-11-20

Family

ID=55486962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16813006.0A Not-in-force EP3411653B1 (de) 2016-02-02 2016-11-22 Schallwellenabsorptionsmodul und vorrichtung damit

Country Status (5)

Country Link
US (1) US20190041154A1 (de)
EP (1) EP3411653B1 (de)
ES (1) ES2760937T3 (de)
FR (1) FR3047347B1 (de)
WO (1) WO2017134354A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10907920B2 (en) 2017-08-22 2021-02-02 Incodema3D, LLC Sound suppressor for a firearm
CA3136830A1 (en) * 2019-04-23 2020-10-29 Georgia Tech Research Corporation Systems and methods for a fluid noise suppressor

Family Cites Families (19)

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US2101849A (en) * 1936-10-29 1937-12-14 Samuel G Green Muzzle attachment for guns
US2935912A (en) * 1950-10-11 1960-05-10 Olin Mathieson Erosion-and-corrosion-resistant gun barrel adapted to hold a coolant
DE2060751C3 (de) * 1970-12-10 1973-11-08 Mannesmann& Keppel Electronics, 5630 Remscheid Flüssigkeitsmengenregler
SE428604B (sv) * 1981-10-21 1983-07-11 Foerenade Fabriksverken Tryckdempare for rekylfria vapen
US5136923A (en) * 1982-07-30 1992-08-11 Walsh Donald J Jun Firearm silencer and flash attenuator
DE3374593D1 (en) * 1982-07-30 1987-12-23 Walsh, Jr Firearm silencer and flash attenuator
DE3300499A1 (de) * 1983-01-08 1984-07-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Schalldaempfer fuer von fluessigkeiten durchstroemte wege
US4753154A (en) * 1984-05-10 1988-06-28 Fuji Electric Corporate Research And Development Ltd. Gun barrel for tank
FR2789760B1 (fr) * 1999-02-16 2001-12-07 Tda Armements Sas Dispositif anti-recul avec frein, compensateur du frein et recuperateur
NO311593B1 (no) * 2000-02-15 2001-12-10 Dueland Bent Arild Lyddemper for skytevåpen
SE525566C2 (sv) * 2003-02-28 2005-03-08 Opus Akustik Ab Förfarande och anordning för bullerdämpning
US7587969B2 (en) * 2005-08-26 2009-09-15 Robert Silvers Asymmetric firearm silencer with coaxial elements
AT502653B1 (de) * 2005-09-15 2007-05-15 Gaston Glock Schalldämpfer
FR2920219A1 (fr) * 2007-08-20 2009-02-27 Jtekt Europ Soc Par Actions Si Dispositif de reduction des bruyances et coups de belier dans des circuits hydrauliques
US8245618B2 (en) * 2009-12-23 2012-08-21 German Sport Guns Gmbh Barrel jacket for a firearm
US8286750B1 (en) * 2010-02-11 2012-10-16 O.S.S. Holdings, LLC Energy capture and control device
US8950310B2 (en) * 2012-05-22 2015-02-10 Storrs Investments, L.L.C. Firearm suppressor and injector assembly
US8807005B2 (en) * 2012-08-10 2014-08-19 Lawrence Livermore National Security, Llc Firearm suppressor having enhanced thermal management for rapid heat dissipation
US9982959B2 (en) * 2013-03-15 2018-05-29 Centre Firearms Co., Inc. Monolithic noise suppression device for firearm

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Also Published As

Publication number Publication date
FR3047347A1 (fr) 2017-08-04
EP3411653A1 (de) 2018-12-12
FR3047347B1 (fr) 2018-02-02
ES2760937T3 (es) 2020-05-18
US20190041154A1 (en) 2019-02-07
WO2017134354A1 (fr) 2017-08-10

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