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WO2003106913A1 - Corps fumigene - Google Patents

Corps fumigene Download PDF

Info

Publication number
WO2003106913A1
WO2003106913A1 PCT/EP2003/006147 EP0306147W WO03106913A1 WO 2003106913 A1 WO2003106913 A1 WO 2003106913A1 EP 0306147 W EP0306147 W EP 0306147W WO 03106913 A1 WO03106913 A1 WO 03106913A1
Authority
WO
WIPO (PCT)
Prior art keywords
charge
projectile according
hollow cylinder
mist
stack
Prior art date
Application number
PCT/EP2003/006147
Other languages
German (de)
English (en)
Inventor
Christian Koch Ernst
Josef Schneider
Thorsten Kothe
Original Assignee
Diehl Munitionssysteme Gmbh & Co. Kg
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 Diehl Munitionssysteme Gmbh & Co. Kg filed Critical Diehl Munitionssysteme Gmbh & Co. Kg
Priority to AU2003242677A priority Critical patent/AU2003242677B2/en
Priority to EP03759933A priority patent/EP1514072B1/fr
Priority to DE50301814T priority patent/DE50301814D1/de
Priority to BRPI0311793-6B1A priority patent/BR0311793B1/pt
Priority to US10/517,288 priority patent/US20060060103A1/en
Publication of WO2003106913A1 publication Critical patent/WO2003106913A1/fr
Priority to IL165732A priority patent/IL165732A/en

Links

Classifications

    • 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
    • F42B12/56—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 discrete solid bodies
    • F42B12/70—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 discrete solid bodies for dispensing radar chaff or infrared material
    • 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

Definitions

  • the invention relates to a smoke impact body with an active charge made of a pyrotechnic active mass for producing an aerosol that emits in the infrared and is impenetrable in the visual.
  • Armored and unarmored vehicles are protected against detection, detection and target tracking using aerosol curtains and thus against the threat of missiles.
  • DE 199 14 097 AI describes a suitable pyro-technical active substance for producing an aerosol which is highly emissive in the infrared and impenetrable in the visual.
  • This active mass develops a camouflage mist that, in addition to being impenetrable in the visible range, also enables long-lasting coverage in the infrared range.
  • the main constituents of this active mass are red phosphorus, an alkali metal nitrate or a mixture of Alkali metal nitrates and as secondary components at least one transition metal or a metallic compound or alloy thereof, at least one metalloid and a binder.
  • threatening missiles fly at speeds of 200 to 600 m / s, they must be misted very quickly after they are detected.
  • Known throwing bodies only develop their effect after a flight time and a time delay of, for example, 2 s. The vehicle is unprotected during this time.
  • DE 29 08 217 C2 describes a unit charge for fogging vehicles, which has a sleeve filled with fog bodies.
  • the mist bodies have the shape of cylindrical flat discs lying on top of one another with an open center hole.
  • the mist bodies are ejected from the sleeve without being covered. A cross-fading of the line of sight in the infrared range is not provided.
  • the object of the invention is to propose a simply constructed throwing body which is designed in such a way that when ejecting i ⁇ a solid angle there is a rapid cross-fading of the line of sight in the infrared radiation range and in the visual radiation range.
  • the winding charge stack consisting of the hollow cylinder segments is held by the sheath and ejected from a launcher tube, which ensures aerodynamic stability in the initial phase of the flight. This prevents the stack from unfolding directly on the vehicle. Only after a few meters of flight, for example 5 m to 10 m, do the ignited hollow cylinder segments break up the envelope. Due to the lack of aerodynamic cladding, the incoming air reaches into the stack of hollow cylinder segments. As a result, the segments are immediately dispersed, which leads to a large-scale fanning out of the burning hollow cylinder segments in a wide solid angle.
  • an aerosol mist distribution is created very quickly, for example within 0.25 s, which covers the vehicle both in the infrared radiation range and in the visual radiation range against missiles approaching horizontally and in gliding flight.
  • the vehicle has a long period of time available in order to avoid the time of impact of the approaching missile calculated in the vehicle by driving maneuvers.
  • FIG. 1 shows a smoke ejection body with several layers of hollow cylinder segments in an envelope
  • FIG. 2b shows a side view in the direction of the arrows IIb-IIb in FIG. 2a
  • FIG. 3a shows a single hollow cylinder segment in supervision
  • FIG. 3b shows a single hollow cylinder segment in a perspective view
  • FIG. 4 shows a perforated disk of the casing
  • FIG. 5 a film of the wrapping, unwound
  • FIG. 6 shows the smoke ejection body in an ejection device
  • FIG. 7 shows an aerosol mist generated by the smoke ejection body
  • FIG. 8 shows a time diagram of the development of the aerosol mist.
  • a smoke ejection body 1 consists of a hollow cylindrical active charge 2, an ignition charge 3 and an envelope 4 (cf. FIG. 1).
  • the active charge 2 is a stack of a plurality of layers 5 of hollow cylinder segments 6.
  • Each layer 5 is composed of a plurality of hollow cylinder segments 6; there is a cavity 7 in the interior of the active charge stack.
  • each layer 5 is formed by four hollow cylinder segments 6, the segment angle a being 90 °, the individual hollow cylinder segments 6 abutting one another.
  • the segment angle a can also be smaller than 90 °, in which case there are correspondingly more hollow cylinder segments 6 in one position.
  • the diameter d of the cavity 7 is ⁇ 1/6 D, where D is the outer diameter of the active charge stack (cf. FIGS. 1, 2a, 2b).
  • the winding charge stack 2 has a height H which is, for example,> 20 h, where h is the height of a hollow cylinder segment (cf. FIGS. 1, 2b, 3b).
  • the height h is preferably> 1/15 D.
  • the hollow cylinder segments 6 are compressed from a pyrotechnic heat mass, which produce an aerosol which dampens and emits in the infrared radiation range and is impenetrable in the visual field.
  • a pyrotechnic heat mass which produce an aerosol which dampens and emits in the infrared radiation range and is impenetrable in the visual field.
  • Such an active mass is described in DE 199 14 097 AI. It has red phosphorus, an alkali metal nitrate or a mixture of alkali metal nitrates as the main constituents and at least one transition metal or a metal-rich compound or alloy thereof and at least one metalloid and a binder as secondary constituents.
  • the ignition charge 3, which is used to ignite the hollow cylinder segments 6 via the cavity 7 and can serve as an ejection charge, is a pyrotechnic ignition charge which contains 50 to 80 percent by mass of black powder, 0 to 20% of an organic binder,
  • a metal powder from the group of metals, magnesium, aluminum, boron, zirconium, titanium and 0 to 20% of a combustion moderator based on a transition metal compound, such as CuO, K [Fe 2 (CN) 6 ], (C 5 H 5 ) 2 Fe).
  • the wrapper 4 has a consumable film 8, which consists, for example, of a paper soaked in paraffin.
  • the film 8 holds initially the active charge stack 2 consisting of the hollow cylinder segments 6 together.
  • the film 8 envelops the Wixkladungs pile 2 on the top and on its circumference U corresponding to the diameter D in the entire height H.
  • FIG. 5 shows the film 8 unwound.
  • the film 8 is connected to a disc 9 which rests on the underside of the active charge 2.
  • the disk 9 consists of a press fiber material and has a central opening 10.
  • the diameter dl of the opening 10 is> the diameter d (cf. FIG. 1, FIG. 4).
  • the described smoke ejection body can be inserted into a metallic ejector tube 11 (cf. FIG. 6).
  • Figure 6 shows the arrangement in an exploded state.
  • an electrical ignition element 13 At the bottom 12 of the ejector tube 11 there is an electrical ignition element 13, the electrical contacts 14 of which can be unlocked via a corresponding switching device of the vehicle.
  • the ignition element 13 ignites the ignition charge 3 upon initiation, which can also act as an exhaust charge.
  • the hollow cylinder segments 6 are ignited and the smoke nozzle 1 is ejected.
  • the hollow cylinder segments 6 remain held together by the film 8 in the range between about 5 to 10 m after the start of the gas evolution of the discharge.
  • the active charge stack 2 fuses, separating the hollow cylinder segments 6, and the individual hollow cylinder segments 6 develop after a distance S at a distance from the one to be protected Vehicle F has a fog curtain N, which shields the vehicle F from both missiles K1 threatening in gliding flight and missiles K2 attacking in horizontal flight (cf. FIG. 7).
  • the protective nebula N is developed, for example, within 0.25 s after the vehicle F has recognized and evaluated the threat posed by the missiles K1 and K2.
  • FIG. 8 shows a comparison of known action times and the action time achievable by the projectile according to the invention.
  • t4 is the point in time at which the threatening missile strikes after the calculation of the vehicle F.
  • the fog development W counteracting the threat is reached along line a at time t3, whereas the level of effectiveness achieved with the device described is already reached in line b at time t2. It shows that the time period between t3 and r4 is significantly shorter than the time period between t2 and t4. This means that between t2 and t4 in the threatened vehicle there is a significantly longer time available for avoiding driving maneuvers than between the prior art, for avoiding driving maneuvers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

La présente invention concerne un corps fumigène à charge active pyrotechnique qui émet dans l'infrarouge et est impénétrable dans le domaine visible. L'objectif de la présente invention est de mettre au point un tel corps fumigène de construction simple qui, lors d'un impact dans un angle solide large, conduit à un fondu rapide de la ligne visuelle dans l'infrarouge et dans le domaine visible. La charge active (2) est un empilement en forme de cylindre creux, constitué de plusieurs couches (5) de segments de cylindre creux (6) et placé dans une enveloppe inflammable (4).
PCT/EP2003/006147 2002-06-14 2003-06-12 Corps fumigene WO2003106913A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2003242677A AU2003242677B2 (en) 2002-06-14 2003-06-12 Smoke projectile
EP03759933A EP1514072B1 (fr) 2002-06-14 2003-06-12 Corps fumigene
DE50301814T DE50301814D1 (de) 2002-06-14 2003-06-12 Nebelwurfkörper
BRPI0311793-6B1A BR0311793B1 (pt) 2002-06-14 2003-06-12 Projétil de neblina
US10/517,288 US20060060103A1 (en) 2002-06-14 2003-06-12 Smoke projectile
IL165732A IL165732A (en) 2002-06-14 2004-12-12 Smoke projectile particularly for using against infrared radiation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10226507.0 2002-06-14
DE10226507A DE10226507A1 (de) 2002-06-14 2002-06-14 Nebelwurfkörper

Publications (1)

Publication Number Publication Date
WO2003106913A1 true WO2003106913A1 (fr) 2003-12-24

Family

ID=29594519

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/006147 WO2003106913A1 (fr) 2002-06-14 2003-06-12 Corps fumigene

Country Status (9)

Country Link
US (1) US20060060103A1 (fr)
EP (1) EP1514072B1 (fr)
AU (1) AU2003242677B2 (fr)
BR (1) BR0311793B1 (fr)
DE (2) DE10226507A1 (fr)
IL (1) IL165732A (fr)
MY (1) MY134363A (fr)
WO (1) WO2003106913A1 (fr)
ZA (1) ZA200410264B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133653A2 (fr) 2008-06-13 2009-12-16 Diehl BGT Defence GmbH & Co.KG Projectile fumigène
EP2405231A2 (fr) 2010-07-09 2012-01-11 Diehl BGT Defence GmbH & Co.KG Projectile fumigène

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7640858B1 (en) * 2004-01-23 2010-01-05 Kilgore Flares Company, Llc Stacked pellet flare assembly and methods of making and using the same
DE102006008309B4 (de) * 2006-02-23 2008-03-27 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
DE102008033494A1 (de) 2008-07-16 2010-01-21 Diehl Bgt Defence Gmbh & Co. Kg Nebeltopf
DE102010013110A1 (de) 2010-03-26 2011-09-29 Rheinmetall Waffe Munition Gmbh Gekapselter Wirkkörper für ein IR-Täusch- bzw. Scheinziel
DE102011009154A1 (de) 2011-01-22 2012-07-26 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zur Abwehr einer Bedrohung durch Ausbringen von Tarnnebel und Einrichtung zum Ausüben des Abwehr-Verfahrens
DE102014012657B4 (de) * 2014-08-22 2019-12-19 Diehl Defence Gmbh & Co. Kg Wirkkörper mit einer Wirkmasse und einer Umhüllung
DE102015004306A1 (de) * 2015-04-01 2016-10-06 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
US10926273B2 (en) 2019-01-31 2021-02-23 Toyota Motor Engineering & Manufacturing North America, Inc. Systems and methods for modifying an infrared signature of a vehicle

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343989A1 (fr) * 1976-03-09 1977-10-07 Lacroix E Dispositif de lancement de leurre infra-rouge
DE2908217C2 (de) 1978-03-08 1986-10-30 Aksjeselskapet Raufoss Ammunisjonsfabrikker, Raufoss Einheitsladung zur Vernebelung von Fahrzeugen
US4622899A (en) * 1982-10-16 1986-11-18 Pyrotechnische Fabrik F. Feistel Gmbh & Co. Kg Smoke projectile with sequential charges and central ignitor
US4860657A (en) * 1978-05-05 1989-08-29 Buck Chemisch-Technische Werke Gmbh & Co. Projectile
US5113765A (en) * 1990-03-30 1992-05-19 James Carey Absolute anti-roll emergency road flare
US5337671A (en) * 1991-01-21 1994-08-16 Raufoss As Arrangement in a smoke shell
DE4447470A1 (de) * 1993-07-29 1996-10-10 Lacroix Soc E Infrarotköderpatrone
DE19756204C1 (de) * 1997-12-17 1999-03-11 Buck Chem Tech Werke Folienstreifen für pyrotechnische Effekte sowie Feuerwerkskörper
DE19914097A1 (de) 1999-03-27 2000-09-28 Piepenbrock Pyrotechnik Gmbh Pyrotechnische Wirkmasse zur Erzeugung eines im Infraroten stark emissiven und im Visuellen undurchdringlichen Aerosols
WO2000058238A1 (fr) * 1999-03-27 2000-10-05 Piepenbrock Pyrotechnik Gmbh Composition nebuleuse pyrotechnique destinee a produire un aerosol impenetrable dans la plage spectrale visible, des infrarouges et des ondes millimetriques

Family Cites Families (6)

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US3352238A (en) * 1965-10-12 1967-11-14 Universal Match Corp Atomizer and method for disseminating toxicants
US3861880A (en) * 1973-03-06 1975-01-21 Dow Chemical Co Oxygen generator cell
DE2359758C1 (de) * 1973-11-30 1988-07-28 Buck Chemisch-Technische Werke GmbH & Co, 7347 Bad Überkingen Infrarot-Störstrahler
DE2811016C1 (de) * 1978-03-14 1986-07-17 Buck Chemisch-Technische Werke Gmbh & Co, 8230 Bad Reichenhall Wurfkoerper
DE4125355C1 (fr) * 1991-07-31 1993-01-28 Buck Werke Gmbh & Co, 7347 Bad Ueberkingen, De
DE10065816B4 (de) * 2000-12-27 2009-04-23 Buck Neue Technologien Gmbh Munition zur Erzeugung eines Nebels

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2343989A1 (fr) * 1976-03-09 1977-10-07 Lacroix E Dispositif de lancement de leurre infra-rouge
DE2908217C2 (de) 1978-03-08 1986-10-30 Aksjeselskapet Raufoss Ammunisjonsfabrikker, Raufoss Einheitsladung zur Vernebelung von Fahrzeugen
US4860657A (en) * 1978-05-05 1989-08-29 Buck Chemisch-Technische Werke Gmbh & Co. Projectile
US4622899A (en) * 1982-10-16 1986-11-18 Pyrotechnische Fabrik F. Feistel Gmbh & Co. Kg Smoke projectile with sequential charges and central ignitor
US5113765A (en) * 1990-03-30 1992-05-19 James Carey Absolute anti-roll emergency road flare
US5337671A (en) * 1991-01-21 1994-08-16 Raufoss As Arrangement in a smoke shell
DE4447470A1 (de) * 1993-07-29 1996-10-10 Lacroix Soc E Infrarotköderpatrone
DE19756204C1 (de) * 1997-12-17 1999-03-11 Buck Chem Tech Werke Folienstreifen für pyrotechnische Effekte sowie Feuerwerkskörper
DE19914097A1 (de) 1999-03-27 2000-09-28 Piepenbrock Pyrotechnik Gmbh Pyrotechnische Wirkmasse zur Erzeugung eines im Infraroten stark emissiven und im Visuellen undurchdringlichen Aerosols
WO2000058238A1 (fr) * 1999-03-27 2000-10-05 Piepenbrock Pyrotechnik Gmbh Composition nebuleuse pyrotechnique destinee a produire un aerosol impenetrable dans la plage spectrale visible, des infrarouges et des ondes millimetriques

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133653A2 (fr) 2008-06-13 2009-12-16 Diehl BGT Defence GmbH & Co.KG Projectile fumigène
DE102008028292A1 (de) 2008-06-13 2009-12-17 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
DE102008028292B4 (de) 2008-06-13 2021-10-14 Diehl Defence Gmbh & Co. Kg Nebelwurfkörper
EP2405231A2 (fr) 2010-07-09 2012-01-11 Diehl BGT Defence GmbH & Co.KG Projectile fumigène
DE102010026641A1 (de) 2010-07-09 2012-01-12 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
EP2405231B1 (fr) 2010-07-09 2016-11-16 Diehl BGT Defence GmbH & Co.KG Projectile fumigène

Also Published As

Publication number Publication date
BR0311793A (pt) 2005-03-15
DE10226507A1 (de) 2003-12-24
AU2003242677A1 (en) 2003-12-31
DE50301814D1 (de) 2006-01-05
IL165732A0 (en) 2006-01-15
US20060060103A1 (en) 2006-03-23
IL165732A (en) 2010-11-30
ZA200410264B (en) 2007-07-25
BR0311793B1 (pt) 2013-12-31
EP1514072A1 (fr) 2005-03-16
EP1514072B1 (fr) 2005-11-30
AU2003242677B2 (en) 2009-03-26
MY134363A (en) 2007-12-31

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