EP1342047B1 - Fusee-leurre a emission infrarouge - Google Patents

Fusee-leurre a emission infrarouge Download PDF

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Publication number
EP1342047B1
EP1342047B1 EP00993925A EP00993925A EP1342047B1 EP 1342047 B1 EP1342047 B1 EP 1342047B1 EP 00993925 A EP00993925 A EP 00993925A EP 00993925 A EP00993925 A EP 00993925A EP 1342047 B1 EP1342047 B1 EP 1342047B1
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EP
European Patent Office
Prior art keywords
flare
infra
primer
spectral
red emitting
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EP00993925A
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German (de)
English (en)
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EP1342047A1 (fr
Inventor
James Dominic DSTL CALLAWAY
Timothy Douglas DSTL Fort Halstead SUTLIEF
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UK Secretary of State for Defence
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UK Secretary of State for Defence
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Priority to AT00993925T priority Critical patent/ATE318403T1/de
Publication of EP1342047A1 publication Critical patent/EP1342047A1/fr
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Publication of EP1342047B1 publication Critical patent/EP1342047B1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00—Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • F41J2/02—Active targets transmitting infrared radiation
    • 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
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/26—Flares; Torches

Definitions

  • This invention relates to an infra-red (IR) emitting decoy flare capable of being launched from a target to divert a missile equipped with an IR seeker system away from that target, and particularly to an IR emitting decoy flare capable of diverting a missile having a seeker operating with a counter-countermeasures (CCM) system using a spectral discriminator.
  • IR infra-red
  • infra-red seeker systems operate in a certain wavelength range, or band, of the infra-red spectrum.
  • band the radiated energy from non natural sources is generally easy to detect and the hot components of aircraft exhausts or tank engines, for example, radiate strongly, enabling targets to be easily identified and located.
  • Known decoy flares conventionally comprise pyrotechnic compositions bound together with an organic binder and pressed to form pellets.
  • a pellet is launched from the target and ignited.
  • the pellet bums over its surface to produce an intense infra-red source in this band, which can lure the infra-red seeker system of the missile away from the target.
  • UK patent application GB 2,300,035 in line with the preamble features of claim 1, describes an infra-red decoy flare which is formed from a pyrotechnic composition which burns to emit infra-red radiation.
  • the composition is formed into a plurality of different blocks with different volumes and different surface areas so as to have different rates of burning. Ignition of all the blocks produces an infra-red source which is intense enough to cause the missile to lock onto the flare. After a short time the aircraft will be outside of the field of view of the missile and some of the fast burning blocks will burn completely away. The flare will then radiate comparatively weak radiation for a time in order to complete the diversion of the missile.
  • CCM systems that compare the ratio of the intensity of IR radiation in one band with the intensity of IR radiation in another band of the IR spectrum. Due to the temperature difference between a conventional flare and the radiating parts of a typical target and the corresponding different 'grey body' radiation spectrums, the CCM system can identify and disregard the flare.
  • an infra-red emitting decoy flare comprising a flare casing, two pyrotechnic components housed within the flare casing and an ignition means for igniting the pyrotechnic components characterised in that the two pyrotechnic components comprise a primer flare and a spectral flare wherein the primer flare consists of at least one primer pellet, each primer pellet being composed of a fast burning pyrotechnic composition and being adapted such that, in use, ignition of one primer pellet causes rapid ignition of all the primer pellets to produce an intense infra-red source, wherein the spectral flare consists of at least one spectral pellet, each spectral pellet being of a pyrotechnic composition adapted such that, in use, ignition of the spectral pellets produces a spectral infra-red source wherein the ratio of the intensity of the infra-red spectrum at at least two fixed bands is within a fixed range, and wherein the primer flare and spectral flare are adapted
  • the ignition of the primer flare creates an intense IR source of short duration.
  • the sudden increase in energy can trigger a missile's CCM system. Due to the short duration of burning of the primer flare however, by the time the missile's CCM system is active the primer flare will have stopped burning but the spectral flare will still be burning.
  • the spectral flare has pre-set ratios of intensity between different bands of the IR spectrum and therefore appears to the missile's CCM system to have theintensity ratios that an intended target would have.
  • the spectral flare may be judged by the missile seeker and CCM system to be more target like, in terms of the required ratio of intensities at different bands, than the actual target itself.
  • the spectral flare is adapted such that at the fixed bands of the IR spectrum the flare is more intense than the intended target.
  • the spectral flare will then be the most intense IR source with the correct spectral characteristics.
  • the very intense radiation from the primer flare can saturate some missiles seeker systems. This would not only cause a missile to activate its spectral CCM system but could also cause automatic brightness compensators to come into operation. After the primer flare has stopped burning the automatic compensators will start to reduce to their previous levels. However, if the intensity of the spectral flare in the bands measured by the missile is greater than that of the intended target then the intensity compensators of the missile seeker may not reduce to a level that would include the target. Therefore the spectral flare will be the only object with the correct spectral characteristics in the field of view of the missile.
  • the primer pellet lights up and burns extremely quickly.
  • the flare will still be close to the target on ignition and energy from the burning flare will be reflected from the surface of the target. This can increase the radiation seen by the missile's seeker system. Further, the radiation reflected from the target can cause the target to appear to be flare like to the seeker system thus prompting the missile to actually ignore the target.
  • the primer pellets are preferably discs and the primer flare consists of a stack of said discs.
  • the surface area available for burning is increased over that of a single pellet of the same dimensions as the stack. The burn rate is therefore correspondingly increased.
  • the discs are also preferably provided with a central hole which again increases the burn rate, but also aids in rapid ignition of the primer flare by allowing the passage of hot particles through the stack.
  • a single primer pellet is used and is provided with plurality of holes through the pellet. This again increases the surface area for burning and increases the burn rate.
  • Another means of increasing the burn rate is providing the primer pellet or pellets with deep grooves to create more burning surface area. Other arrangements for the primer pellet will be readily apparent to the skilled addressee.
  • a fast burn time is required so that the primer flare has finished burning by the time that the seeker system has adjusted.
  • the burn time of the primer flare is therefore preferably between 100-600ms, more preferably between 150-250ms. Too short a burn time however can reduce the efficiency of the primer flare as there would be insufficient time for efficient combustion processes to occur.
  • the primer flare is conveniently comprised of a composition of an oxidisable metallic material, an oxidising halogenated polymeric material and an organic binder.
  • Suitable metallic fuels are well known in the art and include magnesium, aluminium, alloys of magnesium or aluminium, titanium, boron and zirconium.
  • the oxidisable metallic material is magnesium. When ignited magnesium undergoes an energetic and vigorous exothermic reaction with halogenated polymers and therefore is particularly suitable for the heat and speed of combustion required.
  • the oxidising halogenated polymeric material used in preferred compositions for the primer flare is a fluorinated polymer because fluorine is a better oxidising agent than other halogens and therefore will react more vigorously and create a more intense IR source.
  • Suitable fluorinated polymers include polytetrafluoroethylene (Teflon (TM) or PTFE) and its copolymers with perfluoropropylene, polytrifluorochloroethylene, copolymers of trifluoroethylene with vinylidene fluoride, homopolymers of perfluoropropylene and copolymers of perfluoropropylene with vinylidene fluoride, homopolymers of hexafluoropropylene and copolymers of hexafluoropropylene with vinylidene fluoride.
  • PTFE is particularly suitable as it has a high percentage of fluorine in it.
  • Suitable organic binders are well known in the art and include polyvinylchloride, straight chain chlorinated paraffins such as Alloprene (TM) or Cereclors (TM) and the tripolymer of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene. Fluorinated organic binders are advantageous in that the binder, also being an oxidising agent, will join in the reaction.
  • a preferred binder is a copolymer of vinylidene fluoride and hexafluoroethylene, for example VITON A (TM), which coats and binds the constituents very well as well as adding to the reaction.
  • a preferred composition for the primer flare is therefore a magnesium-Teflon-Viton (MTV) composition.
  • MTV magnesium-Teflon-Viton
  • the ratio of the constituents will be chosen so that there is the smallest amount of unreacted material after combustion, allowing for the amount of atmospheric oxygen present that will join in the reaction in a particular flare application.
  • the ratio of the constituents will be easily determined by the skilled person.
  • the spectral flare may usefully be formed from a single pellet.
  • the spectral pellet can therefore burn relatively slowly and consistently.
  • the spectral pellet may be provided with a central hole through the pellet.
  • the hole will not only increase the intensity of the radiation from the spectral pellet by providing an internal burning surface but with also ensure consistency of the radiation.
  • the intensity of the flare is related to the surface area of the burning pellet, a pellet burning from the outside only will slowly drop in intensity as the surface area of burning decreases. Having a central hole, however, means that as the outside surface area of burning decreases, the internal burning surface increases, resulting in a relatively consistent burn, increasing the viability of a flare to be mistaken as the target by the missile system.
  • a central hole will also aid in rapid and consistent ignition of the whole of the spectral flare.
  • the spectral flare and primer flare may be adapted such that, in use, the spectral flare is ignited by the burning of the primer flare.
  • the spectral pellet may advantageously be formed to produce quantities of hot gas.
  • the spectral pellet may be formed from an organic fuel, an oxidant and a binder.
  • Organic fuels decompose to produce gases such as carbon dioxide which can be similar to the elements produced by an aircraft engine say.
  • Suitable fuels include organic compounds such as sucrose, lactose or starch and also compounds such as potassium benzoate.
  • the spectral pellet may be formed from a boron fuel with a suitable oxidant and binder.
  • Suitable oxidants include potassium perchlorate, potassium nitrate, sodium nitrate or ammonium nitrate.
  • Suitable binders include Viton A, dextrin or polybutyl rubber although organic binders are preferred as again they decompose into relevant gasses thus binders such as Viton A or GAP are preferred.
  • Particularly advantageously however explosive materials with a waxy composition may be used as binders. Such explosives will be able to function as binders due to their consistency and will add to the energetic reaction on ignition. Suitable explosives include RDX, HMX and HNS and can also add to the hot gasses produced by the fuel and oxidant. Other oxidants and binders may be used however and could be easily determined by the skilled person.
  • One advantageous spectral composition comprise approximately 30% by weight potassium benzoate, 65% by weight potassium perchlorate and 5% by weight of binder, say Viton A or RDX.
  • Another advantageous spectral composition has, excluding binder, approximately 30% by mass of boron and 70% by mass of potassium nitrate, with Viton A as a binder in a sufficient amount as could be easily determined by one skilled in the art.
  • the composition may also include other materials to enhance the spectral effect.
  • Another advantageous composition has, again excluding binder, 20% by mass of boron fuel with 70% potassium nitrate and 10% by mass of silicon.
  • the primer flare burn with some visible component or without a spectral characteristic, say when utilising reflection from the target surface.
  • the primer flare also burn with a spectral component.
  • the primer flare may comprise a fast burning spectral composition.
  • the actual composition could be the same as could be used or the spectral pellet but to ensure a fast light up and generation of sufficient energy grooves or a plurality of discs would be used and smaller particle sizes would be used as is well understood in the art. Explosive binders would preferably be used to add to the intensity produced by the primer pellet.
  • a primer flare 2 and a spectral flare 4 are housed in an open ended cylindrical flare casing 6.
  • the spectral flare is made up of a single cylindrical spectral pellet 10 housed at the closed end of the casing whereas the primer flare 2 comprises a stack of primer pellet discs 8 located next to the open end.
  • Each of the primer pellets discs 8 and the spectral pellet 10 are provided with a central hole, 12 & 14 respectively, extending throughout the pellets.
  • the open end of the casing 6 is sealed by a plug 16, the plug being secured by crimping the rim 18 of the casing 6 into a groove 24 in the plug 16.
  • An expulsion charge 20 is located in a recess in the outside face of the plug, as is a primary ignition charge 22.
  • expulsion charge 20 and primary ignition charge 22 are ignited, for example by conventional electric igniters (not shown) in the flare tube of the target.
  • the expulsion charge 20 is formed from a propellant compositions such as a gunpowder or nitrocellulose composition and on ignition generates a large volume of gas which projects the flare from the flare tube (not shown).
  • spring 26 is released and allows the ignition stimulus from primary ignition charge 22 to travel down the channel 28 and ignite the secondary ignition charge 30. Should the flare casing 6 become jammed in the flare tube, spring 26 is prevented from release and therefore stops the propagation of the ignition stimulus, thereby preventing ignition of the flare in the flare tube.
  • Ignition of the secondary ignition charge 30 provides a source of ignition for the primer flare 2.
  • the outer and inner surfaces of the primer flare 2 and spectral flare 4 are also coated in a primer paste to further aid ignition.
  • the primer flare 2, and also the spectral flare 4 are wrapped in aluminium foil 32 and 34 respectively, with both flares being then wrapped together in aluminium foil 38.
  • the aluminium foil aids the ignition of the primer flare 2 and spectral flare 4 by initially confining the ignition gases thus increasing the initial pressure and thereby aiding the speed and reliability of the ignition stimulus. Wrapping the pellets in aluminium foil also helps to protect the pellets during storage.
  • the high temperature generated during burning of the primer flare 2 may additionally cause the aluminium foil to combust, adding to the radiation from the primer flare 2.
  • the primer pellet discs 8, shown more clearly in figure 2; are formed from a fast burning composition such as a composition of MTV.
  • a fast burning composition such as a composition of MTV.
  • Such a composition creates an intense source of IR radiation having a fast burn rate and reaches temperatures of 1900°C.
  • the burn rate of the primer flare is also determined by the thickness of the primer pellet discs 8.
  • a stack of 4 to 8 discs of thickness 5 - 10 mm give the desired burn rates.
  • the primer pellet could be formed from a similar stack of discs formed from a composition of potassium benzoate and potassium perchlorate of small particle size and RDX as a binder.
  • ignition of the primer flare 2 causes ignition of the spectral flare 4 which is wrapped in aluminium foil 34.
  • Spacers 36 are located between the primer flare 2 and the spectral flare 4. This allows for hot particles produced from the burning of the primer flare 2 to ignite the spectral flare over its surface. The spacers 36 also help prevent premature ignition due to friction during launch or transit.
  • an ignition transfer medium such as an MTV cord, could be located next to the secondary ignition charge 30 and run through the hole 12 in the primer flare 2 and the hole 14 of the spectral flare 4. Ignition of the secondary ignition charge 30 could then ignite the ignition transfer medium which would burn down its length igniting the interior surfaces of the primer flare 2 and the spectral flare 4 in turn.
  • the spectral pellet also shown in figure 2, is formed from a single cylindrical pellet.
  • the composition may conveniently be a potassium benzoate, potassium perchlorate and Viton A mix.
  • Potassium benzoate comprises 30% by mass of the spectral pellet with 65% potassium perchlorate and Viton A making up the rest of the pellet.
  • the fuel and oxidant have particle sizes of less then 60 microns.
  • the spectral pellet can be formed from a boron, potassium nitrate, Viton A mix.
  • the potassium nitrate is 70% by mass of the composition and has a typical particle size of 100 ⁇ m.
  • the boron is amorphous and sub-micron size and makes up 30% by mass of the composition or 20% by mass if an additive like silicon is used. If used, the silicon particles are around 10 ⁇ m in size.
  • Boron, potassium nitrate and Viton A gives a hard composition which may be easily cast into the required pellet shapes. Use of a binder such as polybutyl rubber would lead to a more flexible composition which could, for example, be extruded.
  • the burn rate is much slower than that of the primer flare 2 and due to the central hole 14, the intensity of the spectral flare 4 is substantially constant throughout the duration of burning.
  • Figure 3 shows a plot of the IR intensity against time for a decoy flare as shown in figure 1 for two fixed IR bands.
  • the primer flare was 47mm in diameter and 40mm in length, consisting of 8 discs, each 5mm thick, formed from an MTV composition.
  • the spectral flare was a single pellet of a potassium benzoate, potassium perchlorate, Viton A mix and was 47mm in diameter and was 110mm in length. Both the primer flare and the spectral flare were provided with a central hole 6mm in diameter.
  • Figures 4 & 5 show alternative embodiments of a primer flare suitable for use in decoy flare according to the present invention. Where appropriate like numerals have been used to designate like components.
  • the primer flare 2 is formed from a single cylindrical pellet 42 having a central hole 12.
  • the pellet 42 is also provide with a number of other holes 44 which pass through the pellet, the inside surfaces of the central hole 12 and the holes 42 being coated with a primer paste to aid in ignition.
  • the use of a single pellet with a number of holes can simplify the production of the primer flare as a single pellet can be easily machined, however the loss of material from the primer flare could necessitate the use of a larger pellet, depending upon the application.
  • the desired burn rate can be achieved with one central hole 12 and five surrounding holes 42, each hole being of 6mm diameter. Additionally or alternatively transverse holes could be provided down the length of the primer pellet.
  • Figure 5 shows an a rectangular primer flare 50 comprising a single pellet with a central hole 52 and a number of grooves 54 running down the length of the pellet.
  • the grooves may be a few mm thick and about 15mm deep depending upon the application and may be filled with primer paste to aid ignition.

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

Claims (26)

  1. Fusée leurre à émission infrarouge comprenant un logement pour la fusée (6), deux composants pyrotechniques logés dans le logement pour la fusée et un moyen d'ignition (30) afin d'allumer les composants pyrotechniques, caractérisée en ce que les deux composants pyrotechniques comprennent une fusée primaire (2 ; 50) et une fusée spectrale (4) dans laquelle la fusée primaire (2 ; 50) se compose d'au moins une pastille primaire (8 ; 42 ; 52), chaque pastille primaire étant composée d'une composition pyrotechnique à combustion rapide et étant adaptée de sorte que, en fonctionnement, l'ignition d'une pastille primaire provoque une ignition rapide de toutes les pastilles primaires afin de produire une source infrarouge intense, dans laquelle la fusée spectrale (4) se compose d'au moins une pastille spectrale (10), chaque pastille spectrale étant d'une composition pyrotechnique adaptée de sorte que, en fonctionnement, l'ignition des pastilles spectrales produit une source infrarouge spectrale dans laquelle le rapport de l'intensité du spectre infrarouge sur au moins deux bandes fixées est dans un intervalle fixé, et dans laquelle la fusée primaire (2 ; 50) et la fusée spectrale (4) sont adaptées de sorte que, en fonctionnement, la fusée spectrale (4) soit encore en train de brûler après que la fusée primaire (2 ; 50) ait fini de brûler.
  2. Fusée leurre à émission infrarouge selon la Revendication 1, dans laquelle la fusée spectrale (4) est adaptée de sorte que l'intensité de la radiation infrarouge émise en fonctionnement, soit supérieure à celle normalement émise à partir d'une cible visée.
  3. Fusée leurre à émission infrarouge selon la Revendication 1 ou selon la Revendication 2, dans laquelle la fusée primaire (2) comprend une pile de disques (8) d'une composition pyrotechnique.
  4. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée primaire (2) est pourvue d'un trou central (12).
  5. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée primaire (2) est pourvue d'une pluralité de trous (44).
  6. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications 1 à 4, dans laquelle la fusée primaire (50) possède une pluralité de rainures (54) sur sa surface.
  7. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle le temps de combustion de la fusée primaire (2 ; 50) est dans l'intervalle de 100 à 600 ms.
  8. Fusée leurre à émission infrarouge selon la Revendication 7, dans laquelle le temps de combustion de la fusée primaire (2 ; 50) est dans l'intervalle de 150 à 250 ms.
  9. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée spectrale (4) comprend une pastille unique (10).
  10. Fusée leurre à émission infrarouge selon la Revendication 9, dans laquelle la fusée spectrale (4) est pourvue d'un trou central (14).
  11. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée spectrale (4) et la fusée primaire (2 ; 50) sont adaptées de sorte que, en fonctionnement, la fusée spectrale est allumée par la combustion de la fusée primaire.
  12. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée primaire (2 ; 50) est formée à partir d'une composition de magnésium-Teflon-Viton à combustion rapide.
  13. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications 1 à 11, dans laquelle la fusée primaire (2 ; 50) est formée à partir d'une composition pyrotechnique adaptée de sorte que, en fonctionnement, l'ignition de la pastille primaire produise une source infrarouge spectrale intense dans laquelle le rapport de l'intensité du spectre infrarouge sur au moins deux bandes fixées est dans un intervalle fixé.
  14. Fusée leurre à émission infrarouge selon la Revendication 13, dans laquelle la fusée primaire (2 ; 50) est composée d'une composition de benzoate de potassium, de perchlorate de potassium et d'un liant choisi à partir du groupe de RDX, HMX ou HNS.
  15. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée spectrale (4) est formée à partir d'une composition pyrotechnique qui produit des quantités de gaz à l'ignition.
  16. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications précédentes, dans laquelle la fusée spectrale (4) est formée à partir d'une composition ayant un carburant organique, un oxydant et un liant.
  17. Fusée leurre à émission infrarouge selon la Revendication 16, dans laquelle le carburant organique est choisi à partir du groupe comprenant le sucrose, le lactose, l'amidon et le benzoate de potassium.
  18. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications 1 à 15, dans laquelle la fusée spectrale (4) est formée à partir d'une composition ayant un carburant au bore, un oxydant et un liant.
  19. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications 16 à 18, dans laquelle l'oxydant est choisi à partir du groupe du perchlorate de potassium, du nitrate de potassium, du nitrate de sodium, et du nitrate d'ammonium.
  20. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications 16 à 19, dans laquelle le liant est choisi à partir du groupe du Viton A, de la dextrine ou du caoutchouc polybutyle.
  21. Fusée leurre à émission infrarouge selon l'une quelconque des Revendications 16 à 19, dans laquelle le liant est un matériau explosif ayant une composition cireuse.
  22. Fusée leurre à émission infrarouge selon la Revendication 21, dans laquelle le liant est choisi à partir du groupe du RDX, HMX et HNS.
  23. Fusée leurre à émission infrarouge selon la Revendication 1, dans laquelle la composition de la fusée spectrale (4) est formée à partir d'un mélange de 30 % à 40 % en masse de benzoate de potassium et de 60 % à 70 % en masse de perchlorate de potassium, de concert avec 3 % à 8 % en masse de Viton A, de RDX, de HMX, ou de HNS.
  24. Fusée leurre à émission infrarouge selon la Revendication 1, dans laquelle la composition de la fusée spectrale (4) est formée à partir d'un mélange de 30 % en masse de bore et de 70 % en masse de nitrate de potassium, de concert avec un liant Viton A.
  25. Fusée leurre à émission infrarouge selon la Revendication 18, dans laquelle la composition de la fusée spectrale (4) comprend un additif tel que du silicium.
  26. Fusée leurre à émission infrarouge selon la Revendication 25, dans laquelle la composition (4) est formée à partir d'un mélange de 20 % en masse de bore, de 10 % en masse de silicium et de 70 % en masse de nitrate de potassium, de concert avec un liant Viton A.
EP00993925A 2000-12-13 2000-12-13 Fusee-leurre a emission infrarouge Expired - Lifetime EP1342047B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT00993925T ATE318403T1 (de) 2000-12-13 2000-12-13 Infrarot-leuchsatz

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Application Number Priority Date Filing Date Title
PCT/GB2000/004762 WO2002048641A1 (fr) 2000-12-13 2000-12-13 Fusee-leurre a emission infrarouge

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EP1342047A1 EP1342047A1 (fr) 2003-09-10
EP1342047B1 true EP1342047B1 (fr) 2006-02-22

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US (2) US20040011235A1 (fr)
EP (1) EP1342047B1 (fr)
AU (2) AU2001228616B2 (fr)
CA (1) CA2432050C (fr)
DE (1) DE60026180T2 (fr)
IL (2) IL156406A0 (fr)
WO (1) WO2002048641A1 (fr)

Cited By (1)

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CN110119571B (zh) * 2019-05-10 2022-11-15 西北工业大学 红外点源诱饵弹的红外拉偏仿真方法

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DE60026180D1 (de) 2006-04-27
US20070295236A1 (en) 2007-12-27
US20040011235A1 (en) 2004-01-22
CA2432050A1 (fr) 2002-06-20
WO2002048641A1 (fr) 2002-06-20
DE60026180T2 (de) 2006-11-16
IL156406A0 (en) 2004-01-04
IL156406A (en) 2008-03-20
AU2861601A (en) 2002-06-24
EP1342047A1 (fr) 2003-09-10
AU2001228616B2 (en) 2005-04-28

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