EP3303982B1 - Munition fumigène - Google Patents

Munition fumigène Download PDF

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Publication number
EP3303982B1
EP3303982B1 EP16726103.1A EP16726103A EP3303982B1 EP 3303982 B1 EP3303982 B1 EP 3303982B1 EP 16726103 A EP16726103 A EP 16726103A EP 3303982 B1 EP3303982 B1 EP 3303982B1
Authority
EP
European Patent Office
Prior art keywords
smoke
munition
submunition
smoke munition
delay element
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.)
Active
Application number
EP16726103.1A
Other languages
German (de)
English (en)
Other versions
EP3303982A1 (fr
Inventor
Karl Raupp
Lothar-Georg Kopp
Stefan Lauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3303982A1 publication Critical patent/EP3303982A1/fr
Application granted granted Critical
Publication of EP3303982B1 publication Critical patent/EP3303982B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
    • F42B5/155—Smoke-pot projectors, e.g. arranged on vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/46—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances
    • F42B12/48—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances smoke-producing, e.g. infrared clouds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/34—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type

Definitions

  • the invention relates to a launcher which can be fired to produce a mist for protecting ships.
  • the active body preferably float before the impact on the water surface.
  • a buoyancy aid is activated before the impact, which prevents the active body from sinking. Therefore, after the active body has been fired, the active mass is lit and, at about the same time, a pyrotechnic trigger that activates the gas generation mixture of the swimming aid, which is also incorporated in a grenade (smoke grenade).
  • An apparatus and a method for producing an effective fog wall above the water surface discloses the EP 2 612 101 A1 .
  • An active body for creating false targets is in the DE 10 2004 047 231 B4 described.
  • mist ammunition is deployed as a visual or infrared screen in the direction of an opponent and blocks both the optical view and the image on IR viewing devices.
  • a device for creating multispectral smoke screens names the WO 2012/028257 A1 .
  • the active bodies of the fog grenades usually come to rest on a solid surface, so that the fog active mass can fully react.
  • a smoke marking device is published which can be fired from a pistol.
  • the device includes an inflatable float attached to the housing containing the smoke composition.
  • the invention has for its object to show a way through which active bodies can be deployed quickly and safely for the ship's crew and whose active mass can be converted completely into fog even after being hit on the water.
  • the invention is essentially based on the idea of providing the active body of a fog grenade with a swimming aid which can be deployed before the active body strikes the water and prevents the active body from sinking and the active mass producing the fog from becoming wet.
  • the mist grenade comprises a grenade sleeve for receiving the active body with at least one mist-producing active mass, with an ignition device for igniting an ejection charge of the active body and for igniting one that acts on an ignition charge of the active mass at the rear end of the grenade sleeve, as seen in the firing direction first pyrotechnic delay element is arranged.
  • this has a housing-shaped extension for an inflatable buoyancy aid of the active body. This buoyancy aid is designed in such a way that, in the inflated state, it prevents the active body from sinking until the active mass which produces fog has reacted as completely as possible.
  • a gas generation mixture is arranged within the active body, which mixture can be activated by the ignition charge of the active mass via a second pyrotechnic delay element.
  • the buoyancy aid is designed in such a way that it has a tire-shaped, spherical, pillow-shaped or similar shape when inflated.
  • the material of the buoyancy aid can be an aramid fiber fabric, for example.
  • This telescopic tube device is enclosed by the inflatable buoyancy aid and is connected to it in such a force-fitting manner that when the buoyancy aid is inflated, the buoyancy aid actuates the telescopic tube device in its pushed-apart state.
  • the combustion products of the active mass that produce the mist escape into the outer atmosphere via the interior of the tubes of the telescopic tube device.
  • the active body should preferably include a central tube, which extends in the longitudinal direction and is surrounded by the active material, and is made of a heat-resistant material (for example steel), in which the ejection charge, the first pyrotechnic delay element and the ignition charge are arranged axially one behind the other, and one at its front end Has opening for ignition of the second pyrotechnic delay element.
  • a heat-resistant material for example steel
  • the floating ammunition can be brought in from any shot cup / launcher (e.g. 76mm).
  • the caliber extension necessary for the placement of the telescopic device and swimming aid is, for example, outside the launcher.
  • the distance from the point of contact of the edge of the launcher (27; Fig. 1 ) to the outer rear end of the ammunition is the same as that of conventional mist ammunition, e.g. of the 76mm caliber.
  • a fog grenade is proposed for the ship's crew, the active body of which can be deployed quickly and safely and the active mass of which can be converted completely into fog even after being hit on the water, for which purpose the active body is provided with a swimming aid which is before the active body hits the water unfolds and prevents the active body from sinking and the active mist-producing mass from getting wet.
  • Fig. 1 1 is a smoke ammunition (smoke grenade), which comprises a (garnet) sleeve 2 for receiving a fog-producing active body 3.
  • a contacting cup 5 with electrical contact rings 6 is provided at the rear end 4 of the sleeve 2, seen in the firing direction.
  • the contact rings 6 are connected to an ignition device 7 for electrical ignition, which in turn acts on an exhaust charge 8.
  • the ejection charge 8 After the ejection charge 8 is ignited, it ignites an ignition charge 10 of an active mass 30 producing the mist via a first pyrotechnic delay element 9.
  • the exhaust charge 8, the first pyrotechnic delay element 9 and the igniter 10 are arranged axially one behind the other in a central center tube 11 (for example made of steel) of the active body 3.
  • a central center tube 11 for example made of steel
  • the central tube 11 there is a locking bolt 25 on the opposite side of the delay element 9, on the front side of which there is a cover film 22.
  • the locking bolt 25 extends with its cover film up to the primer 10.
  • the sleeve 2 has a housing-shaped extension 12 for receiving a telescopic tube device 13 consisting of, for example, three cylindrical tubes in the inserted state and a folded swimming aid 14 surrounding the telescopic tube device 13.
  • a gas generation mixture 16 that can be ignited by a second pyrotechnic delay element 15. This mixture is used to generate gases for inflating the swimming aid 14.
  • Fig. 1-3 The function sequence when firing the active body 3 of the smoke grenade 1 according to the invention is explained in more detail: If the active body 3 of the smoke grenade 1 is to be fired, an ignition current is generated by the corresponding launcher (not shown) and the ignition device 7 is electrically ignited via the contact rings 6. This then ignites the discharge charge 8, which provides the gas pressure required for the discharge of the active body 3 of the mist ammunition 1 from the launcher. After the discharge charge 8 has been ignited, the gas enters a pressure chamber 26. The flow of force passes through a perforated disk 21 into a housing 29 of the gas generation mixture 16 into the cover 23 via the base of the can 28 of the active body 3. When the required force is reached, the cover becomes 23 pushed out. The pressure which builds up thus generates the force required to push off the cover 23 and to accelerate the active body 3 into the corresponding orbit.
  • the ejection charge 8 in turn ignites the first pyrotechnic delay element 9, which ignites the ignition charge 10 and thus the fog-producing active mass 30 after the flight of the active body 3 after a predetermined period of time.
  • the active mass 30 is ignited by the hot gases generated by the ignition charge 10. These reach the end face of the active mass 30 through axial bores and transverse borings of the locking bolt 25 (not shown in more detail) and through congruent transverse bores of the central tube 11.
  • the second pyrotechnic delay element 15 is also ignited via an opening 17 provided at the front end in the central tube 11, so that after a predetermined period of time the gases of the gas generation mixture 16 fill the swimming aid 14.
  • This gas filling of the buoyancy aid 14 expands it, for example in a pillow-like manner, during the flight of the active body 3 and causes the telescopic tubes of the telescopic tube device 13 to extend, through which the mist 18 generated by the active mass 30 reaches the surrounding atmosphere ( Fig. 2 ).
  • the active body 3 Since the mist 18 generating active mass 30 has a larger mass than the swimming aid 14 including telescopic tube device 13, the active body 3 is directed during its flight in the in Fig. 2 shown manner, ie the active mass 30 is in the direction of flight in front of the swimming aid 14. In this position, the active body 3 also strikes the water surface 19.
  • the active body 3 sinks more or less deeply into the water 20 ( Fig. 3 ).
  • the mist generated by the active mass 30 continues to reach the air through the extended telescopic tubes of the telescopic tube device 13.
  • the active body 3 including the buoyancy aid 14 should be located slightly below the water surface 19 due to the weight of the active body 3, the intended environment is nebulized. This is because the internal pressure that arises when the active substance burns up is generally greater than the excess pressure of 10 4 N / m 2 present in about one meter of water depth, so that no water 20 can get into the interior of the active body.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toys (AREA)
  • Air Bags (AREA)
  • Emergency Lowering Means (AREA)

Claims (15)

  1. Munition fumigène (1) comprenant au moins un corps actif (3) destiné à générer un nuage de fumée (18) destiné à la protection de navires, comprenant une douille d'obus (2) comportant la munition fumigène (1) servant à accueillir le corps actif (3) avec au moins une masse active (30) générant le nuage de fumée (18), caractérisée en ce que
    une aide à la flottaison (14) gonflable du corps actif (3) se trouve dans la zone avant de la douille d'obus (2), la douille d'obus (2) possédant dans la zone de l'extrémité avant un élargissement (12) en forme de boîtier pour l'aide à la flottaison gonflable du corps actif (3).
  2. Munition fumigène (1) selon la revendication 1, caractérisée en ce qu'un dispositif tubulaire télescopique (13) à l'état rétracté se trouve dans la zone avant de la douille d'obus (2).
  3. Munition fumigène (1) selon la revendication 2, caractérisée en ce que le dispositif tubulaire télescopique (13), qui se compose d'au moins deux tubes de forme cylindrique, est, à l'état rétracté, entouré par l'aide à la flottaison (14) gonflable et relié à celle-ci par assemblage de force.
  4. Munition fumigène (1) selon la revendication 2 ou 3, caractérisée en ce que lors du gonflage de l'aide à la flottaison (14), celle-ci actionne le dispositif tubulaire télescopique (13) dans son état déployé et les produits de combustion de la masse active (30) qui génèrent le nuage de fumée (18) s'échappent dans l'atmosphère par le biais de l'espace intérieur des tubes du dispositif tubulaire télescopique (13).
  5. Munition fumigène (1) selon la revendication 3 ou 4, caractérisée en ce que le dispositif tubulaire télescopique se compose de trois tubes de forme cylindrique.
  6. Munition fumigène (1) selon l'une des revendications 1 à 5, caractérisée en ce qu'au niveau de l'extrémité côté arrière (4) de la douille d'obus (2) est disposé un dispositif d'allumage (7) destiné à allumer une charge d'éjection (8) du corps actif (3) et aussi destiné à allumer un premier élément retardateur pyrotechnique (9) agissant sur une composition d'allumage (10) de la masse active (30).
  7. Munition fumigène (1) selon l'une des revendications 1 à 6, caractérisée en ce qu'un mélange générateur de gaz (16) est disposé à l'intérieur du corps actif (3) de telle sorte qu'il peut être activé par la première composition d'allumage (10) de la masse active (30) par le biais d'un deuxième élément retardateur pyrotechnique (15).
  8. Munition fumigène (1) selon l'une des revendications 1 à 7, caractérisée en ce que l'aide à la flottaison (14) est configurée de telle sorte qu'à l'état gonflé, elle empêche le corps actif (3) de couler jusqu'à ce que la masse active (30) qui génère le nuage de fumée (18) se soit transformée.
  9. Munition fumigène (1) selon l'une des revendications 1 à 8, caractérisée en ce que l'aide à la flottaison (14) est configurée de telle sorte qu'à l'état gonflé, elle présente une configuration en forme de pneu, en forme de sphère, en forme de coussin ou en forme de barre.
  10. Munition fumigène (1) selon l'une des revendications 1 à 9, caractérisée en ce que le matériau de l'aide à la flottaison (14) est un tissu de fibres d'aramide.
  11. Munition fumigène (1) selon l'une des revendications 1 à 10, caractérisée en ce que le corps actif (3) contient un tube central (11) en un matériau résistant à la chaleur qui s'étend dans le sens longitudinal et qui est entouré par la masse active (30), dans lequel la charge d'éjection (8), le premier élément retardateur pyrotechnique (9) et la composition d'allumage (10) sont disposés les uns derrière les autres dans le sens axial.
  12. Munition fumigène (1) selon la revendication 11, caractérisée en ce que le tube central (11) possède au niveau de son extrémité avant une ouverture (17) servant à l'allumage du deuxième élément retardateur pyrotechnique (15).
  13. Munition fumigène (1) selon la revendication 11 ou 12, caractérisée en ce qu'un goujon de fermeture (25), au niveau du côté frontal duquel se trouve un film protecteur (22), se trouve dans le tube central (11) sur le côté opposé de l'élément retardateur (9).
  14. Munition fumigène (1) selon la revendication 13, caractérisée en ce que le goujon de fermeture (25) muni de son film protecteur (22) s'étend contre une composition d'allumage (10).
  15. Lanceur comprenant une munition fumigène (1) selon l'une des revendications 1 à 14.
EP16726103.1A 2015-06-08 2016-05-31 Munition fumigène Active EP3303982B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015003966.9U DE202015003966U1 (de) 2015-06-08 2015-06-08 Nebelmunition
PCT/EP2016/062299 WO2016198289A1 (fr) 2015-06-08 2016-05-31 Munition fumigène

Publications (2)

Publication Number Publication Date
EP3303982A1 EP3303982A1 (fr) 2018-04-11
EP3303982B1 true EP3303982B1 (fr) 2020-07-22

Family

ID=53801635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16726103.1A Active EP3303982B1 (fr) 2015-06-08 2016-05-31 Munition fumigène

Country Status (6)

Country Link
US (1) US10422609B2 (fr)
EP (1) EP3303982B1 (fr)
AU (1) AU2016277073B2 (fr)
CA (1) CA2984206C (fr)
DE (1) DE202015003966U1 (fr)
WO (1) WO2016198289A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2055277A (en) * 1935-08-26 1936-09-22 Herbert C Clauser Float light
US2978716A (en) * 1944-10-24 1961-04-11 Leonard D Jackson Smoke float
GB918976A (en) * 1960-03-21 1963-02-20 Waeco Ltd Improvements in or relating to pyrotechnic or explosive devices
US3427973A (en) * 1968-05-06 1969-02-18 Us Army Grenade floatation shroud holding and releasing arrangement employing plastic connector
US3685450A (en) * 1970-06-03 1972-08-22 Us Army Floating grenade cup
US3759216A (en) * 1970-12-04 1973-09-18 Northrop Carolina Inc Smoke flare signalling and marking device
DE102004047231B4 (de) 2004-09-28 2008-08-21 Rheinmetall Waffe Munition Gmbh Wirkkörper
DE102005004935B4 (de) * 2005-02-03 2007-03-15 Diehl Bgt Defence Gmbh & Co. Kg Schwimmfähiger Nebeltopf
EP2612101B1 (fr) 2010-08-31 2017-01-11 Rheinmetall Waffe Munition GmbH Dispositif et procédé pour générer un mur ou un nuage de brouillard actif

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2016198289A1 (fr) 2016-12-15
DE202015003966U1 (de) 2015-07-24
CA2984206A1 (fr) 2016-12-15
US10422609B2 (en) 2019-09-24
CA2984206C (fr) 2023-03-14
US20180100725A1 (en) 2018-04-12
AU2016277073B2 (en) 2021-03-11
AU2016277073A1 (en) 2017-12-07
EP3303982A1 (fr) 2018-04-11

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