EP0204115B1 - Wurfkörper zur Darstellung eines Infrarot-Flächenstrahlers - Google Patents
Wurfkörper zur Darstellung eines Infrarot-Flächenstrahlers Download PDFInfo
- Publication number
- EP0204115B1 EP0204115B1 EP86105294A EP86105294A EP0204115B1 EP 0204115 B1 EP0204115 B1 EP 0204115B1 EP 86105294 A EP86105294 A EP 86105294A EP 86105294 A EP86105294 A EP 86105294A EP 0204115 B1 EP0204115 B1 EP 0204115B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- destroying
- combustible
- self
- leaves
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- the invention relates to a projectile for displaying an infrared radiator.
- a projectile for displaying an infrared radiator.
- Such a projectile is disclosed in DE-PS 28 11 016, which, however, is not part of the prior art (Art. 54 (2) EPC).
- missiles are used to set up so-called infrared dummy targets, i.e. to deflect missiles equipped with an infrared seeker. If, for example, the location devices of a ship determine that such a missile is approaching, then the missile is fired; which then ignites and ejects the burnt papers at a predetermined distance and height from the ship, so that the burnt papers form a slowly absent, burning disturbing cloud that deflects the incoming missile from the ship and onto itself.
- the ignition of the ignition decomposition charge initially results in a "radiation flash", that is, radiation of high intensity but extremely short time, whereupon the radiation effect of the burning papers comes into play in such a way that initially a more or less steep increase (burning phase of the papers) up to a certain maximum (all leaflets burn on their entire surface), followed by a constant or slightly decreasing radiation, with a more or less steeply falling end flank at the time when the burning leaflets are extinguished.
- the maximum of the fins is therefore a "radiation hole", the temporal size of which depends on the steepness of the rising edge of the fins, so it is a function of the reaction speed of the focal layer.
- the radiation hole mentioned can lead to a reduction in protection, because the distance between the aircraft and the radiation cloud increases extremely quickly.
- the radiation hole mentioned has a disadvantageous effect on the protection of very large and slowly moving objects, such as ships of considerable size, if for a completely different reason than in the case of the aircraft mentioned above.
- very early detection of the approaching missile is necessary, on the one hand because the maneuvering speed of such ships is low, and on the other hand because the missile can only be deflected if both the ship and the neighboring interference cloud are in its search field appears, which is only the case if the missile is still far away from the ship.
- the requirement for the comparatively early formation of the radiation cloud means that the radiation time of the cloud must be long, and that the burning leaves thus have a burning time of, for example, 30 to 40 seconds.
- the object of the present invention is therefore to improve a throwing body in such a way that the explained radiation hole of the resulting radiation cloud is considerably shortened, both with burning layers of short and with burning layers of long and very long burning times.
- the solution to this problem results from the characteristics of the characterizing part of the main claim.
- an ignition aid mass is switched on between the igniter charge or the igniter sleeve and the fuel sheets, i.e. a fast-reacting mass which, on the one hand, emits high-intensity infrared radiation during its burn-up and thus, so to speak, extends the flash of ignition charge, and on the other hand extends the fire layer of the Firing leaves ignited so extensively that their radiation rising edge becomes very steep.
- the extension of the radiation flash in the case of burning papers with burning layers of any reaction speed (fast, medium, slow) has an effect on the largest possible ignition, and this also in the case of a high relative speed between the burning papers and the ambient air (prevention of Blow-out effect).
- the dummy target shines with the highest possible intensity immediately after initiating the fault measures, because in such a case the seeker has already switched to the target and therefore the dummy target must radiate much more strongly than the actual one Aim to pull the seeker head away from the latter.
- This radiation behavior is in turn made possible by a mixture of fast-burning papers (high radiation intensity) and slow-burning (low radiation intensity) papers.
- the figure shows a contact head 1 with a charge chamber in which, in the ready-to-operate state, there is an ejection charge 15, in which a squib 17 is embedded.
- the charge chamber is closed on the bottom part of the contact head 1 with a screw cap, which has window-like predetermined breaking points and a web-shaped abutment for a spacer of a shooting cup.
- An ignition delay set 31 is arranged in the head part of the contact head 1 and connects the charge chamber to the inside of a throwing agent container 3.
- the ignition delay set 31 is screwed into the head part of the contact head 1 via a threaded sleeve.
- the fastening plate 71 is arranged in a sealing manner in the bottom of the throwing agent container 3 via an O-ring 113.
- the contact head 1 is made together with the screw cap, including its other components, by injection molding from polystyrene.
- the wall thickness of the throwing agent container 3 and the material thickness of the lid 5 are approximately 0.25 mm.
- An ignition disassembly unit 33 is inserted in the interior of the throwing agent container 3 in the mounting plate 71.
- This ignition disassembly unit 33 consists of a sleeve 75 which contains an ignition disassembly charge 35 and which has an inwardly flanged edge 77 at its end located in the mounting plate 71 a cover disk 79 engages, by means of which the sleeve 75 is fastened in the fastening plate 71 on the bottom 29 of the throwing agent container 3 in a sealing manner by means of a hole screw 81 and an annular seal 115.
- the bore in the cover disk 79 is covered with a glued-on film 119, preferably a tin film, and this thereby closes the ignition disassembly kit 35 with respect to the ignition delay set 31.
- the igniter substitute passes through an igniter core 37 made of nitrocellulose powder tubes over its entire length. This powder tube preferably has a diameter of 1.3 mm and a continuous inner hole of 0.2 mm in diameter.
- a throwing agent 73 is arranged in the interior of the throwing agent container 3, which is circular sector-shaped leaflets 83 with burning layers.
- the sleeve 75 of the ignition disassembly unit 33 is made of aluminum just like the throwing agent container 3 and its cover 5 and its fastening plate 71.
- Sleeve 75, throwing agent container 3 and lid 5 each have a wall thickness of approximately 0.25 mm.
- a second sleeve 84 which has an extremely thin wall thickness, is provided between the igniter sleeve 75 and the fuel discs 83, to be precise after this.
- the annular space between the two sleeves 75 and 84 is filled with an ignition aid compound 85, specifically with loosely poured red phosphorus.
- the ignition disassembly kit 35 When the ignition disassembly kit 35 is ignited, it ignites the ignition aid compound 85, which emits a considerable amount of infrared radiation during its brief erosion and, at the same time, ignites the burning discs 83 over a large area.
- This large-area lighting of the fuel discs 83 results from the fact that the firing of the ignition aid mass 85 forms a fireball around the throwing body, through which the burning discs 83 fly.
- the burning sheets 83 therefore quickly catch fire over a large area and this also when the burning layer is very slow to react, that is to say, for example, passivated or covered with a passivation layer.
- the ignition disassembly set reacts evenly over its entire length, so that the ignition aid can be effective evenly all around and over the entire length.
- the igniter core made of nitrocellulose powder, which is centrally located in the ignition disassembly kit and which has a stabilizing effect on rapid combustion due to its easy flammability, the high burning rate and the release of gas during burning. Without this burn-off stabilizer, there could be a risk of fluctuations in the reaction speed which can be caused in the course of storage as a result of an uneven compression of the batch, these uneven compressions being caused, for example, by shaking during transport.
- the invention is not limited to the exemplary embodiment shown, but numerous modifications are possible compared to it.
- the second sleeve 84 is not absolutely necessary; the ignition aid compound 83 can also be filled into the annular space between the sleeve 75 and the stack of fuel sheets.
- Another possibility is to extend the fuel discs 83 to the sleeve 75 and thus to drop the annular space, in which case the discs themselves are dusted with the ignition aid compound 83 or this is applied to the discs as the top layer.
- an ignition aid compound other than red phosphorus but this is preferred because it is usually also part of the burning layer of the leaflets 83.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Radiation-Therapy Devices (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3515166 | 1985-04-26 | ||
DE19853515166 DE3515166A1 (de) | 1985-04-26 | 1985-04-26 | Wurfkoerper zur darstellung eines infrarot-flaechenstrahlers |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0204115A2 EP0204115A2 (de) | 1986-12-10 |
EP0204115A3 EP0204115A3 (en) | 1988-09-21 |
EP0204115B1 true EP0204115B1 (de) | 1990-04-11 |
Family
ID=6269236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86105294A Expired - Lifetime EP0204115B1 (de) | 1985-04-26 | 1986-04-16 | Wurfkörper zur Darstellung eines Infrarot-Flächenstrahlers |
Country Status (9)
Country | Link |
---|---|
US (1) | US4624186A (pt) |
EP (1) | EP0204115B1 (pt) |
AU (1) | AU580403B2 (pt) |
BR (1) | BR8601869A (pt) |
CA (1) | CA1263273A (pt) |
DE (2) | DE3515166A1 (pt) |
DK (1) | DK190186A (pt) |
IN (1) | IN170811B (pt) |
NO (1) | NO162434C (pt) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4841865A (en) * | 1987-06-17 | 1989-06-27 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Smoke composition and method of making same |
US5074216A (en) * | 1987-09-03 | 1991-12-24 | Loral Corporation | Infrared signature enhancement decoy |
DE3912183A1 (de) * | 1989-04-13 | 1990-10-18 | Buck Chem Tech Werke | Anzuendzerlegervorrichtung |
GB9120803D0 (en) * | 1991-10-01 | 1995-03-08 | Secr Defence | Pyrotechnic decoy flare |
GB9120801D0 (en) * | 1991-10-01 | 1995-03-08 | Secr Defence | Propelled pyrotechnic decoy flare |
GB2283303B (en) * | 1991-10-01 | 1995-11-08 | Secr Defence | High intensity infra-red pyrotechnic decoy flare |
FR2694804B1 (fr) * | 1992-08-11 | 1994-09-16 | Poudres & Explosifs Ste Nale | Leurre stabilisée et propulsé, émettant dans l'infrarouge. |
DE4307237C1 (de) * | 1993-03-08 | 1994-04-07 | Buck Chem Tech Werke | Verfahren zur Herstellung von Metallpulver enthaltenden pyrotechnischen Wirkmassen auf wäßriger Basis, beschichtete Metallpulver sowie deren Verwendung |
DE4327976C1 (de) * | 1993-08-19 | 1995-01-05 | Buck Chem Tech Werke | Flaremasse zur Scheinzielerzeugung |
US5456455A (en) * | 1994-02-01 | 1995-10-10 | Thiokol Corporation | Flare pellet and process for making same |
FR2930984A1 (fr) * | 1994-03-15 | 2009-11-13 | Poudres Et Explosifs Snpe Sa S | Procede et munitions de contre-mesure par ecran a vision unidirectionnelle |
US5561259A (en) * | 1994-10-13 | 1996-10-01 | Alliant Techsystems Inc. | Decoy flare with sequencer ignition |
GB9507920D0 (en) | 1995-04-18 | 2008-03-05 | Secr Defence | Infra-Red Emitting Decoy Flare |
US5565645A (en) * | 1995-04-24 | 1996-10-15 | Thiokol Corporation | High-intensity infrared decoy flare |
US5763818A (en) * | 1995-06-30 | 1998-06-09 | Thiokol Corporation | Illuminant igniter pellet ignition system for use in a decoy flare |
US5610364A (en) * | 1995-06-30 | 1997-03-11 | Thiokol Corporation | Nozzle plug for plume enhancement in a kinematic flare |
DE19548436C1 (de) * | 1995-12-22 | 1997-06-26 | Buck Chem Tech Werke | Schnellnebelhandgranate |
US5703314A (en) * | 1996-11-20 | 1997-12-30 | The United States Of America As Represented By The Secretary Of The Navy | Infrared projector countermeasure system |
WO1998050755A1 (en) * | 1997-05-07 | 1998-11-12 | Particia Farnell | Infrared illuminating compositions and articles |
EP0898692A4 (en) * | 1997-05-07 | 2000-02-23 | Patricia L Farnell | AMMUNITION WITH A LIGHT CHARGE EMITTING INFRARED RADIATION |
US5874690A (en) * | 1998-02-06 | 1999-02-23 | Brunn; Michael | Smoke grenade with rapid ignition |
US5983801A (en) * | 1998-04-29 | 1999-11-16 | Brunn; Michael | Separating smoke grenade |
DE19841113A1 (de) | 1998-09-09 | 2014-04-24 | Ernst-Christian Koch | Selbstschutzeinrichtung für Strahlflugzeuge |
US6230629B1 (en) * | 1999-01-21 | 2001-05-15 | The United States Of America As Represented By The Secretary Of The Navy | Rapid ignition infrared decoy for anti-ship missile |
DE19951767C2 (de) | 1999-10-27 | 2002-06-27 | Buck Neue Technologien Gmbh | Dual-Mode-Täuschkörper |
DE10065816B4 (de) * | 2000-12-27 | 2009-04-23 | Buck Neue Technologien Gmbh | Munition zur Erzeugung eines Nebels |
US7640858B1 (en) * | 2004-01-23 | 2010-01-05 | Kilgore Flares Company, Llc | Stacked pellet flare assembly and methods of making and using the same |
DE102004018862A1 (de) | 2004-04-19 | 2005-11-03 | Diehl Bgt Defence Gmbh & Co. Kg | Verfahren und Vorrichtung zur Erzeugung eines Infrarot-Flächenstrahlers |
US7154429B1 (en) * | 2004-12-06 | 2006-12-26 | Roberts Jr Charles C | Device for protecting military vehicles from infrared guided munitions |
DE102008064638A1 (de) | 2008-06-16 | 2009-12-17 | Rheinmetall Waffe Munition Gmbh | Flare mit Flareanzündung sowie Ausstoßsystem dafür |
DE102009020558A1 (de) | 2009-05-08 | 2010-11-18 | Rheinmetall Waffe Munition Gmbh | Aktivierungseinheit für munitionsfreie Scheinziele |
SG10201402195PA (en) | 2009-05-08 | 2014-10-30 | Rheinmetall Waffe Munition | Activation unit for explosive masses or explosive bodies |
DE102009030870A1 (de) | 2009-06-26 | 2010-12-30 | Rheinmetall Waffe Munition Gmbh | Wirkkörper |
DE102009030871B4 (de) * | 2009-06-26 | 2013-05-29 | Rheinmetall Waffe Munition Gmbh | Verbrennbarer Wirkmassencontainer |
DE102009030869A1 (de) | 2009-06-26 | 2011-02-10 | Rheinmetall Waffe Munition Gmbh | Wirkkörper |
DE102010013110A1 (de) * | 2010-03-26 | 2011-09-29 | Rheinmetall Waffe Munition Gmbh | Gekapselter Wirkkörper für ein IR-Täusch- bzw. Scheinziel |
DE102013010266A1 (de) † | 2013-06-18 | 2014-12-18 | Diehl Bgt Defence Gmbh & Co. Kg | Scheinzielwirkkörper mit einer pyrotechnischen Wirkmasse |
FR3018112B1 (fr) * | 2014-03-03 | 2018-04-20 | Etienne Lacroix Tous Artifices S.A. | Cartouche de leurrage pour aeronefs |
JP6563773B2 (ja) * | 2015-10-20 | 2019-08-21 | 株式会社ダイセル | 煙幕発生器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2811016C1 (de) * | 1978-03-14 | 1986-07-17 | Buck Chemisch-Technische Werke Gmbh & Co, 8230 Bad Reichenhall | Wurfkoerper |
Family Cites Families (14)
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US1366555A (en) * | 1918-12-30 | 1921-01-25 | Brayton Harold Morgan | Illuminating-shell |
US3557698A (en) * | 1953-01-28 | 1971-01-26 | Us Army | Photoflash bomb |
US3841219A (en) * | 1964-08-12 | 1974-10-15 | Gen Dynamics Corp | Decoy rounds for counter measures system |
US3670657A (en) * | 1970-04-30 | 1972-06-20 | Us Navy | Signal flare |
US3669020A (en) * | 1970-05-06 | 1972-06-13 | Ordnance Research Inc | Firebomb igniter devices and components therefor |
US3713636A (en) * | 1970-09-22 | 1973-01-30 | Us Navy | Incendiary cutting torch for underwater use |
US3938444A (en) * | 1974-07-05 | 1976-02-17 | The United States Of America As Represented By The Secretary Of The Navy | Flare cartridge |
US3940605A (en) * | 1974-12-18 | 1976-02-24 | The United States Of America As Represented By The Secretary Of The Navy | Chemiluminescent marker apparatus |
NO142930C (no) * | 1978-03-08 | 1980-11-12 | Raufoss Ammunisjonsfabrikker | Enhetsladning for kjoeretoeysskjerming. |
US4505202A (en) * | 1979-10-31 | 1985-03-19 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Multi source cartridge for dispersing a riot control agent |
DE3031369C2 (de) * | 1980-08-20 | 1987-01-02 | Pyrotechnische Fabrik F. Feistel GmbH + Co KG, 6719 Göllheim | Pyrotechnische Ladung aus Nebelsatz und Anzündsatz und Verfahren zur Herstellung der Nebelmischung und des Anzündsatzes |
FR2504670A1 (fr) * | 1981-04-23 | 1982-10-29 | Lacroix E | Eclairant pyrotechnique de grande puissance |
FR2507304A1 (fr) * | 1981-06-03 | 1982-12-10 | Lacroix E | Dispositif lance-leurre infrarouge a mise en oeuvre rapide avec double securite |
DE3421708A1 (de) * | 1984-06-12 | 1985-12-12 | Buck Chemisch-Technische Werke GmbH & Co, 7347 Bad Überkingen | Einrichtung zur erzeugung einer scheinzielwolke, insbesondere einer infrarot-scheinzielwolke |
-
1985
- 1985-04-26 DE DE19853515166 patent/DE3515166A1/de active Granted
-
1986
- 1986-04-08 IN IN257/MAS/86A patent/IN170811B/en unknown
- 1986-04-15 AU AU56107/86A patent/AU580403B2/en not_active Expired - Fee Related
- 1986-04-16 DE DE8686105294T patent/DE3670366D1/de not_active Expired - Lifetime
- 1986-04-16 EP EP86105294A patent/EP0204115B1/de not_active Expired - Lifetime
- 1986-04-23 US US06/854,770 patent/US4624186A/en not_active Expired - Fee Related
- 1986-04-24 DK DK190186A patent/DK190186A/da not_active Application Discontinuation
- 1986-04-25 BR BR8601869A patent/BR8601869A/pt unknown
- 1986-04-25 NO NO861646A patent/NO162434C/no unknown
- 1986-04-25 CA CA000507583A patent/CA1263273A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2811016C1 (de) * | 1978-03-14 | 1986-07-17 | Buck Chemisch-Technische Werke Gmbh & Co, 8230 Bad Reichenhall | Wurfkoerper |
Also Published As
Publication number | Publication date |
---|---|
US4624186A (en) | 1986-11-25 |
CA1263273A (en) | 1989-11-28 |
DK190186A (da) | 1986-10-27 |
AU580403B2 (en) | 1989-01-12 |
NO861646L (no) | 1986-10-27 |
DE3515166C2 (pt) | 1987-05-27 |
BR8601869A (pt) | 1986-12-30 |
IN170811B (pt) | 1992-05-23 |
EP0204115A2 (de) | 1986-12-10 |
NO162434B (no) | 1989-09-18 |
EP0204115A3 (en) | 1988-09-21 |
DE3670366D1 (de) | 1990-05-17 |
DE3515166A1 (de) | 1986-10-30 |
DK190186D0 (da) | 1986-04-24 |
AU5610786A (en) | 1986-10-30 |
NO162434C (no) | 1989-12-27 |
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