EP0364833A1 - Projectile comprising an ejecting charge - Google Patents
Projectile comprising an ejecting charge Download PDFInfo
- Publication number
- EP0364833A1 EP0364833A1 EP89118567A EP89118567A EP0364833A1 EP 0364833 A1 EP0364833 A1 EP 0364833A1 EP 89118567 A EP89118567 A EP 89118567A EP 89118567 A EP89118567 A EP 89118567A EP 0364833 A1 EP0364833 A1 EP 0364833A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- charge
- receiving body
- projectile
- payload
- openings
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/0838—Primers or igniters for the initiation or the explosive charge in a warhead
-
- 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
- F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
Definitions
- the invention relates to a projectile with an ejection charge for ejecting a payload.
- the discharge charge In the case of a projectile, the discharge charge is intended to develop gas under high pressure for a comparatively long time in order to safely push out the payload. This requires safe insulation at the start of the combustion of the exhaust charge.
- the ejection charge is accommodated in a thick-walled aluminum bowl. The bowl bursts into coarse fragments when it burns. These can damage the payload to be ejected.
- the object of the invention is to propose a projectile in which the ejection charge develops a high enough pressure to eject the payload, but does not shatter its shell into fragments which can damage the payload.
- the above object is achieved in that a receptacle body for the ejection charge is fastened in the floor, which withstands the pressure development when the ejection charge burns up, that the receiving body has a multiplicity of openings through which the propellant gas developed when the ejection charge burns up, and that the Ejection charge is inserted into a weak-walled bowl in the receiving body.
- the receiving body forms the necessary insulation for the discharge charge.
- the wall parts of the weak-walled cup located in the area of the openings are pushed through the openings as a result of the pressure development, and the developing propellant gas flows through the openings and leads to the ejection of the payload.
- the pressed-through, small wall parts of the bowl are harmless for the payload.
- FIG. 1 shows the head area of a projectile in longitudinal section.
- a projectile jacket (1) has an internal thread (2).
- a cylindrical receiving body (3) with a thread (4) is screwed into the internal thread (2).
- the receiving body (3) protrudes into a pressure chamber (5) of the projectile jacket (1).
- the receiving body (3) is thick-walled and designed so that it is not destroyed when an ejection charge burns up.
- a plurality of openings (6) are provided on the receiving body (3) and are distributed in the longitudinal direction and in the circumferential direction on the receiving body (3).
- the receiving body (3) has a bottom (7) into which a felt piece (8) and an intermediate plate (9) are inserted.
- An ejection charge (10) is inserted into the receiving body (3) and contains an NC propellant charge powder (12) in a weak-walled bowl (11).
- the bowl (11) consists, for example, of aluminum or cardboard.
- the cup (11) is closed at the top with a lid (13) made of aluminum or cardboard.
- An ignition device (14) is screwed into the internal thread (2) adjacent to the cover (13).
- a payload (15) to be ejected is then mounted on the floor (7) in the shell (1).
- the propellant charge powder (12) is ignited by the ignition device (14), then a pressure develops in it which allows the wall parts of the bowl (11) lying in the region of the openings (6) to break through the openings (6) one after the other. Propellant gas flows through the openings (6) into the pressure chamber (5). The payload (15) is thereby pushed out.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Toys (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
Description
Die Erfindung betrifft ein Geschoß mit einer Ausstoßladung zum Ausstoßen einer Nutzlast.The invention relates to a projectile with an ejection charge for ejecting a payload.
Bei einem Geschoß soll die Ausstoßladung zum sicheren Ausschieben der Nutzlast über eine vergleichsweise lange Zeit Gas hohen Drucks entwickeln. Hierfür ist eine sichere Verdämmung zu Beginn des Abbrands der Ausstoßladung notwendig. Nach dem Stand der Technik ist die Ausstoßladung hierfür in einem dickwandigen Napf aus Aluminium untergebracht. Der Napf zerbirst beim Abbrand zu groben Fragmenten. Diese können die auszustoßende Nutzlast beschädigen.In the case of a projectile, the discharge charge is intended to develop gas under high pressure for a comparatively long time in order to safely push out the payload. This requires safe insulation at the start of the combustion of the exhaust charge. According to the state of the art, the ejection charge is accommodated in a thick-walled aluminum bowl. The bowl bursts into coarse fragments when it burns. These can damage the payload to be ejected.
Aufgabe der Erfindung ist es, ein Geschoß vorzuschlagen, bei dem die Ausstoßladung zwar einen zum Ausstoßen der Nutzlast hinreichend andauernden und hohen Druck entwickelt, jedoch ihre Hülle nicht in solche Fragmente zerbirst, die die Nutzlast schädigen können.The object of the invention is to propose a projectile in which the ejection charge develops a high enough pressure to eject the payload, but does not shatter its shell into fragments which can damage the payload.
Erfindungsgemäß ist obige Aufgabe dadurch gelöst, daß im Geschoß ein Aufnahmekörper für die Ausstoßladung befestigt ist, der der Druckentwicklung beim Abbrand der Ausstoßladung standhält, daß der Aufnahmekörper eine Vielzahl von Öffnungen aufweist, durch die das beim Abbrand der Ausstoßladung entwickelte Treibgas abströmt, und daß die Ausstoßladung in einen schwachwandigen Napf in den Aufnahmekörper eingesetzt ist.According to the invention, the above object is achieved in that a receptacle body for the ejection charge is fastened in the floor, which withstands the pressure development when the ejection charge burns up, that the receiving body has a multiplicity of openings through which the propellant gas developed when the ejection charge burns up, and that the Ejection charge is inserted into a weak-walled bowl in the receiving body.
Der Aufnahmekörper bildet die nötige Verdämmung für die Ausstoßladung. Beim Abbrand der Ausstoßladung werden infolge der Druckentwicklung die im Bereich der Öffnungen liegenden Wandteile des schwachwandigen Napfes durch die Öffnungen durchgedrückt und das sich entwickelnde Treibgas strömt durch die Öffnungen und führt zum Ausstoß der Nutzlast. Die durchgedrückten, kleinen Wandteile des Napfes sind für die Nutzlast unschädlich.The receiving body forms the necessary insulation for the discharge charge. When the ejection charge burns off, the wall parts of the weak-walled cup located in the area of the openings are pushed through the openings as a result of the pressure development, and the developing propellant gas flows through the openings and leads to the ejection of the payload. The pressed-through, small wall parts of the bowl are harmless for the payload.
Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen und der folgenden Beschreibung eines Ausführungsbeispiels. Die Figur zeigt den Kopfbereich eines Geschosses im Längsschnitt.Advantageous refinements of the invention result from the subclaims and the following description of an exemplary embodiment. The figure shows the head area of a projectile in longitudinal section.
Ein Geschoßmantel(1) weist ein Innengewinde(2) auf. In das Innengewinde(2) ist ein zylindrischer Aufnahmekörper(3) mit einem Gewinde(4) eingeschraubt. Der Aufnahmekörper(3) ragt in einen Druckraum(5) des Geschoßmantels(1) Der Aufnahmekörper(3) ist dickwandig und so stabil gestaltet, daß er beim Abbrand einer Ausstoßladung nicht zerstört wird. Am Aufnahnekörper(3) ist eine Vielzahl von Öffnungen(6) vorgesehen, die in Längsrichtung und in Umfangsrichtung am Aufnahmekörper(3) verteilt sind.A projectile jacket (1) has an internal thread (2). A cylindrical receiving body (3) with a thread (4) is screwed into the internal thread (2). The receiving body (3) protrudes into a pressure chamber (5) of the projectile jacket (1). The receiving body (3) is thick-walled and designed so that it is not destroyed when an ejection charge burns up. A plurality of openings (6) are provided on the receiving body (3) and are distributed in the longitudinal direction and in the circumferential direction on the receiving body (3).
Der Aufnahmekörper(3) weist einen Boden (7) auf, in den ein Filzstück(8) und eine Zwischenplatte(9) eingelegt sind. In den Aufnahmekörper(3) ist eine Ausstoßladung(10) eingeschoben, die in einem schwachwandigen Napf(11) ein NC-Treibladungspulver(12) enthält. Der Napf (11) besteht beispielsweise aus Aluminium oder Pappe. Oben ist der Napf (11) mit einem Deckel (13) aus Aluminium oder Pappe abgeschlossen. An den Deckel (13) angrenzend ist in das Innengewinde(2) eine Zündeinrichtung(14) eingeschraubt.The receiving body (3) has a bottom (7) into which a felt piece (8) and an intermediate plate (9) are inserted. An ejection charge (10) is inserted into the receiving body (3) and contains an NC propellant charge powder (12) in a weak-walled bowl (11). The bowl (11) consists, for example, of aluminum or cardboard. The cup (11) is closed at the top with a lid (13) made of aluminum or cardboard. An ignition device (14) is screwed into the internal thread (2) adjacent to the cover (13).
An den Boden(7) anschließend ist im Geschoßmantel(1) eine auszustoßende Nutzlast(15) gelagert.A payload (15) to be ejected is then mounted on the floor (7) in the shell (1).
Die Funktionsweise ist etwa folgende:The way it works is as follows:
Ist das Treibladungspulver(12) von der Zündeinrichtung(14) gezündet, dann entwickelt sich in diesem ein Druck, der die im Bereich der Öffnungen(6) liegenden Wandtei le des Napfes(11) nacheinander durch die Öffnungen (6) brechen läßt. Durch die Öffnungen (6) strömt Treibgas in den Druckraum(5) Die Nutzlast(15) wird dadurch ausgeschoben.If the propellant charge powder (12) is ignited by the ignition device (14), then a pressure develops in it which allows the wall parts of the bowl (11) lying in the region of the openings (6) to break through the openings (6) one after the other. Propellant gas flows through the openings (6) into the pressure chamber (5). The payload (15) is thereby pushed out.
Claims (6)
dadurch gekennzeichnet,
daß im Geschoß(1) ein Aufnahmekörper(3) für die Ausstoßladung(10) befestigt ist, der der Druckentwicklung beim Abbrand der Ausstoßladung(10) standhält, daß der Aufnahmekörper(3) eine Vielzahl von Öffnungen (6) aufweist, durch die das beim Abbrand der Ausstoßladung(10) entwickelte Treibgas abströmt, und daß die Ausstoßladung(10) in einem schwachwandigen Napf(11) in den Aufnahmekörper(3) eingesetzt ist.1st floor with an ejection charge for ejecting a payload,
characterized,
that in the floor (1) a receiving body (3) for the discharge charge (10) is fixed, which withstands the pressure development when the discharge charge (10) burns off, that the receiving body (3) has a plurality of openings (6) through which developed when the ejection charge (10) burns off, and that the ejection charge (10) is inserted into the receptacle body (3) in a weak-walled bowl (11).
dadurch gekennzeichnet,
daß die Öffnungen(6) in Längsrichtung und in Umfangsrichtung am zylindrischen Aufnahmekörper(3) verteilt sind.2. projectile according to claim 1,
characterized,
that the openings (6) are distributed in the longitudinal direction and in the circumferential direction on the cylindrical receiving body (3).
dadurch gekennzeichnet,
daß der Aufnahnekörper(3) mittels eines Gewindes(4) im Geschoßmantel(1) befestigt ist.3. Projectile according to claim 1 or 2,
characterized,
that the receiving body (3) is fastened by means of a thread (4) in the projectile casing (1).
dadurch gekennzeichnet,
daß sich der Napf (11) über ein Filzstück(8) an einem Boden(7) des Aufnahmekörpers(3) abstützt und daß eine Zündeinrichtung(14) beim dem Boden(7) gegenüberliegenden offenen Ende des Aufnahmekörpers(3) bei der Ausstoßladung(10) angeordnet ist.4. Projectile according to one of the preceding claims,
characterized,
that the cup (11) is supported by a piece of felt (8) on a bottom (7) of the receiving body (3) and that an ignition device (14) at the open end of the receiving body (3) opposite the bottom (7) during the discharge charge ( 10) is arranged.
dadurch gekennzeichnet,
daß die Zündeinrichtung(14) und der Aufnahmekörper(3) in das gleiche Gewinde(2) des Geschoßmantels(1) eingeschraaubt sind.5. Projectile according to one of the preceding claims,
characterized,
that the ignition device (14) and the receiving body (3) are screwed into the same thread (2) of the projectile jacket (1).
dadurch gekennzeichnet,
daß der Napf (11) aus Aluminium oder Pappe besteht.6. Projectile according to one of the preceding claims,
characterized,
that the bowl (11) is made of aluminum or cardboard.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3835150A DE3835150A1 (en) | 1988-10-15 | 1988-10-15 | FLOOR WITH AN EXHAUST |
DE3835150 | 1988-10-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0364833A1 true EP0364833A1 (en) | 1990-04-25 |
EP0364833B1 EP0364833B1 (en) | 1993-12-29 |
Family
ID=6365188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89118567A Expired - Lifetime EP0364833B1 (en) | 1988-10-15 | 1989-10-06 | Projectile comprising an ejecting charge |
Country Status (4)
Country | Link |
---|---|
US (1) | US5000095A (en) |
EP (1) | EP0364833B1 (en) |
DE (2) | DE3835150A1 (en) |
NO (1) | NO893682L (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012163758A1 (en) * | 2011-06-01 | 2012-12-06 | Rheinmetall Waffe Munition Gmbh | Booster, in particular for an artillery projectile |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6105505A (en) * | 1998-06-17 | 2000-08-22 | Lockheed Martin Corporation | Hard target incendiary projectile |
DE10039988B4 (en) * | 2000-08-16 | 2006-12-14 | Rheinmetall Waffe Munition Gmbh | Ejector for ejecting submunitions from a projectile |
US7168368B1 (en) * | 2004-05-06 | 2007-01-30 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for expelling a payload from a warhead |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446187A (en) * | 1945-05-07 | 1948-08-03 | Leo T Meister | Lined igniter-charge tube |
US3151447A (en) * | 1960-08-12 | 1964-10-06 | Aerojet General Co | Igniter device |
FR2343987A1 (en) * | 1976-03-08 | 1977-10-07 | France Etat | Tubular primer for artillery ammunition propellant - has axial bore and side vents through combustible ensuring uniform ignition |
DE2854120A1 (en) * | 1978-12-15 | 1980-06-19 | Messerschmitt Boelkow Blohm | Gas generator system for warhead - has perforated tube through main charges with plugs forming chambers and holding generator gases |
FR2591735A1 (en) * | 1985-12-17 | 1987-06-19 | Thomson Brandt Armements | Pyrotechnic gas generator and use in a device for ejecting sub-munitions from a warhead |
EP0271480A2 (en) * | 1986-12-04 | 1988-06-15 | Hirtenberger Aktiengesellschaft | Flare-carrying projectile |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2454281A (en) * | 1945-11-01 | 1948-11-23 | Clarence C Hicks | Antipersonnel artillery mine |
DE3048618A1 (en) * | 1980-12-23 | 1982-07-22 | Dynamit Nobel Ag, 5210 Troisdorf | Missile with bars forming payload - has body destroyed by gas pressure securing bars between plate and base |
SE8106719L (en) * | 1981-11-12 | 1983-05-13 | Foerenade Fabriksverken | PROJECTILE |
IN169266B (en) * | 1985-10-22 | 1991-09-21 | Royal Ordnance Plc | |
DE3616410A1 (en) * | 1986-05-15 | 1987-11-19 | Rheinmetall Gmbh | PAYLOAD FLOOR FOR EXHAUSTABLE SUBMUNITION |
-
1988
- 1988-10-15 DE DE3835150A patent/DE3835150A1/en not_active Ceased
-
1989
- 1989-09-14 NO NO89893682A patent/NO893682L/en unknown
- 1989-10-03 US US07/416,585 patent/US5000095A/en not_active Expired - Fee Related
- 1989-10-06 DE DE89118567T patent/DE58906560D1/en not_active Expired - Fee Related
- 1989-10-06 EP EP89118567A patent/EP0364833B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2446187A (en) * | 1945-05-07 | 1948-08-03 | Leo T Meister | Lined igniter-charge tube |
US3151447A (en) * | 1960-08-12 | 1964-10-06 | Aerojet General Co | Igniter device |
FR2343987A1 (en) * | 1976-03-08 | 1977-10-07 | France Etat | Tubular primer for artillery ammunition propellant - has axial bore and side vents through combustible ensuring uniform ignition |
DE2854120A1 (en) * | 1978-12-15 | 1980-06-19 | Messerschmitt Boelkow Blohm | Gas generator system for warhead - has perforated tube through main charges with plugs forming chambers and holding generator gases |
FR2591735A1 (en) * | 1985-12-17 | 1987-06-19 | Thomson Brandt Armements | Pyrotechnic gas generator and use in a device for ejecting sub-munitions from a warhead |
EP0271480A2 (en) * | 1986-12-04 | 1988-06-15 | Hirtenberger Aktiengesellschaft | Flare-carrying projectile |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012163758A1 (en) * | 2011-06-01 | 2012-12-06 | Rheinmetall Waffe Munition Gmbh | Booster, in particular for an artillery projectile |
Also Published As
Publication number | Publication date |
---|---|
NO893682D0 (en) | 1989-09-14 |
US5000095A (en) | 1991-03-19 |
EP0364833B1 (en) | 1993-12-29 |
NO893682L (en) | 1990-04-17 |
DE3835150A1 (en) | 1990-04-26 |
DE58906560D1 (en) | 1994-02-10 |
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