EP0546888B1 - Geschosshülle, bei der der Boden Fallschirmbehälter für eine Submunition ist - Google Patents
Geschosshülle, bei der der Boden Fallschirmbehälter für eine Submunition ist Download PDFInfo
- Publication number
- EP0546888B1 EP0546888B1 EP92403239A EP92403239A EP0546888B1 EP 0546888 B1 EP0546888 B1 EP 0546888B1 EP 92403239 A EP92403239 A EP 92403239A EP 92403239 A EP92403239 A EP 92403239A EP 0546888 B1 EP0546888 B1 EP 0546888B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shell
- submunitions
- submunition
- parachute
- base plate
- 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
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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
- F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
- F42B12/62—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected parallel to the longitudinal axis of the projectile
Definitions
- the present invention relates to a cargo shell whose base is parachute jar office of a submunition. It applies in particular to shells containing submunitions equipped with parachutes and intended to be dropped by these shells.
- Some shells may contain several submunitions stacked one after the other. These submunitions are generally equipped with a parachute slowing their fall towards the ground. Each submunition is then equipped at the rear with a containment pot now his parachute folded. They are ejected from the shell from the rear of this one following the combustion of a pyrotechnic charge of stripping commanded chrono-metrically at the front of the shell.
- German patent application DE 3,635,361 the description of which summarizes the preamble of independent claim 1, presents a shells with submunitions equipped with parachutes.
- the submunitions Although ejected from the shell from the rear, the submunitions nevertheless continue their course according to the direction and direction of the shell at time of ejection. At this time, the submunitions remain stacked as they were in the shell. Their ejection having taken place from the rear, this which advantageously contributes to slowing them down, it follows that the base of the shell accompanies them in their race, from the rear. Submunitions before opening their parachute should generally be slowed down. In this Indeed, they each have their own braking means, a small parachute or flexible sipes deploying laterally, for example.
- These submunitions can be equipped with fragile elements, sensors in particular, sensitive to mechanical shock. It is therefore necessary when the braking phase, that the submunitions do not collide. In especially the base must be braked more strongly than the submunitions in order let him not come up against them. This requires equipping it with means more braking than those in submunitions, so relatively bulky.
- the object of the invention is to overcome the aforementioned drawbacks.
- the invention relates to a shell as described in the claim 1.
- the main advantages of the invention are that it increases the volume available inside the shell, which eliminates the risk of shocks between the submunitions and the shell of the shell, finally that they decrease the number of elements therefore the cost of the shell.
- Figure 1 shows a shell 1, having a envelope 11 and containing unloading means 7 and submunitions 3, 5.
- the shell 1 is closed by a base 2 according to prior art.
- the submunitions 3, 5 are equipped on their part rear of parachutes contained in pots 4, 6 closed by submunitions.
- the base 2 is capable of supporting on its external face 8 of very strong pressures, in particular at the time of its launch by a cannon; these pressures can for example reach 4000 bars.
- the base 2 also includes means for braking 9, not deployed when it is integral with shell 1.
- the base 2 is for example screwed onto shell 1 so as to maintain solidarity with it.
- the submunitions are ejected following the combustion of a gas generator unloading 7 for example, placed in front of the shell. This combustion is started after a delay predetermined by example using a chronometric rocket.
- the pressure pushes submunitions 3, 5 towards the rear of shell 1, the thrust being strong enough to separate base 2 from the shell 1 by destroying the means 10 for holding the base 2 on the shell 1, these holding means 10 can be a thread by example, allowing to screw the base 2 on the shell 1.
- the submunitions 3, 5, ejected from shell 1 from the rear nevertheless continue their course in the same direction and the same direction as the shell with a lower speed because of the thrust they suffered.
- Base 2 has the same speed that submunitions 3, 5 and therefore accompanies them in their race.
- Figure 2 illustrates the relative position of the submunitions 3, 5 and pellet 2 after their ejection from the shell 1.
- the submunitions 3, 5 are always provided with their pots 4, 6 in order to protect and keep folded their parachutes.
- braking means 21, 22, lamellae for example are deployed and put into action to slow the speed of submunitions 3, 5.
- the braking means 9 of the base 2 also slow it down. They must act in such a way that it does not come up against the submunition 5 placed directly in front of him. To avoid any risk of shock, it must be slower than submunitions 3, 5. It follows that its braking means 9 must be significant and therefore bulky.
- FIG. 3 shows a possible example of shell 1 produced according to the invention.
- This shell contains means of stripping 7, a gas generator for example, and submunitions 3, 5 identical to those of the preceding figures. It contains at the rear a submunition 31 whose body is identical to the bodies of other submunitions 3, 5 but whose jar containing its parachute is constituted by the base 2 of shell 1.
- Pellet 2 while being integral with the submunition 31 is held integral with shell 1 by holding means 10, a thread for example allowing it to be screwed on the shell.
- the base 2 can also for example be made integral shell 1 by means of screws and pins likely to be sheared, means known to those skilled in the art.
- the submunition 31 is secured with the base 2 to using screws for example.
- the submunitions 3, 5, 31 are ejected from shell 1 from the back of it, as previously described, i.e. following a combustion of the gas generator unloading 7 at the front of shell 1 and following the destruction of means 10 for holding the base 2 on the shell 1.
- Figure 4 shows submunitions 3, 5, 31 after their ejection from shell 1 continuing their course in the same direction than this one.
- the parachutes not yet being deployed, the pots 4, 6, 2 are still integral with the submunitions 3, 5, 31.
- the parachute jar of the submunition 31 which was placed at the rear of shell 1 is in makes the shell of this shell 1. This one contains in its interior 42 the parachute of the submunition 31.
- the base 2 being integral with the submunition 31, it no longer risks colliding with it.
- the braking means 41 may for example be deployed slats.
- Base 2 having had to undergo strong pressures when ejecting shell 1 from a cannon, this base 2 serving as a parachute jar for the submunition 31 is more resistant, therefore heavier than the others pots 4, 6 of the other submunitions 3, 5. Consequently, the braking means 41 of the submunition 31 are more powerful than those of other submunitions 3, 5.
- these braking means 41 being common to submunition 31 and at base 2, braking of the base no longer wastes space inside the shell 1, since these braking means are shared between the submunition 31 and base 2.
- the shell base according to the invention by acting as a pot the parachute allows increase the number of submunitions inside the shell.
- Figure 5 illustrates the deployment of parachute 51 of submunition 31 by separating it from its pot or shell 2. This separation can be for example triggered according to a predetermined delay.
- the means maintenance and separation of base 2 from submunition 31 are identical to those of other submunitions 3, 5, the separation means can for example be means pyrotechnics.
- To allow the deployment of parachute 51 this one is connected at one of its ends to a rope 52, itself connected to the base 2. Under the action of force drive base 2 whose thrust is direction opposite the speed of the submunition 31, the rope 52 cut when the parachute 51 is completely unfolded.
- shells according to the invention presented by the figure 3 contains three submunitions, this number is given to title of example and can vary in particular according to the length of shell or submunitions, or following other settings.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Lowering Means (AREA)
- Toys (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Claims (6)
- Geschoß (1), das hintereinandergestapelte Submunitionseinheiten (3, 5, 31) aufweist und am hinteren Abschnitt durch einen Geschoßboden (2) verschlossen ist, wobei jede der Submunitionseinheiten (3, 5, 31) an ihrem hinteren Abschnitt mit einem Fallschirm und einem Topf (4, 6, 2) versehen ist, der den zusammengefalteten Fallschirm enthält, wobei die Trennung jeder Submunitionseinheit (3, 5, 31) von ihrem Topf (4, 6, 2) das Entfalten ihres Fallschirms ermöglicht, wobei der Topf (2) der am hinteren Abschnitt des Geschosses (1) angeordneten Submunitionseinheit (31) durch den Geschoßboden (2) des Geschosses (1) gebildet ist, dadurch gekennzeichnet, daß, wenn jeder Topf mit Bremsmitteln (21, 22, 9) versehen ist, um den Flug seiner Submunitionseinheit zu verlangsamen, der Geschoßboden (2) des Geschosses fest mit der genannten Submunitionseinheit (31) nach deren Ausstoßen aus dem Geschoß (1) verbunden gehalten wird.
- Geschoß nach Anspruch 1, dadurch gekennzeichnet, daß der Geschoßboden (2) mit dem Geschoß (1) verschraubt ist.
- Geschoß nach Anspruch 1, dadurch gekennzeichnet, daß der Geschoßboden (2) mit dem Geschoß (1) fest durch Schrauben und Stifte verbunden gehalten wird, die abgeschert werden können.
- Geschoß nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die am hinteren Abschnitt des Geschosses (1) angeordnete Submunitionseinheit (31) mit dem Geschoßboden (2) durch Schrauben verbunden ist.
- Geschoß nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Bremsmittel (21, 22, 41) durch Lamellen gebildet sind, die sich nach dem Auswerfen der Submunitionseinheiten (3, 5, 31) aus dem Geschoß (1) entfalten.
- Geschoß nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Ende des Fallschirms (51) der am hinteren Abschnitt des Geschosses (1) angeordneten Submunitionseinheit (31) mit einem Seil (52) verbunden ist, das wiederum mit dem Geschoßboden (2) verbunden ist, wobei sich das Seil (52) in dem Moment abtrennt, in dem der Fallschirm (51) im wesentlichen vollständig entfaltet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9115268 | 1991-12-10 | ||
FR9115268A FR2684754B1 (fr) | 1991-12-10 | 1991-12-10 | Obus dont le culot fait office de pot de parachute d'une sous-munition. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0546888A1 EP0546888A1 (de) | 1993-06-16 |
EP0546888B1 true EP0546888B1 (de) | 1998-03-04 |
Family
ID=9419850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92403239A Expired - Lifetime EP0546888B1 (de) | 1991-12-10 | 1992-12-01 | Geschosshülle, bei der der Boden Fallschirmbehälter für eine Submunition ist |
Country Status (4)
Country | Link |
---|---|
US (1) | US5299503A (de) |
EP (1) | EP0546888B1 (de) |
DE (1) | DE69224601T2 (de) |
FR (1) | FR2684754B1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2014310469B2 (en) | 2013-08-20 | 2017-10-05 | Bae Systems Plc | Illumination munition |
SE540780C2 (sv) * | 2016-04-06 | 2018-11-06 | Bae Systems Bofors Ab | Delningsbar granat med fallskärmsanordning |
SE540399C2 (sv) | 2016-04-20 | 2018-09-11 | Bae Systems Bofors Ab | Stödanordning för delningsbar fallskärmsgranat |
SE541612C2 (sv) * | 2016-09-15 | 2019-11-12 | Bae Systems Bofors Ab | Modifierbar delningsbar projektil och metod för att modifiera en projektil |
RU2694457C1 (ru) * | 2018-10-01 | 2019-07-15 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Кассетная головная часть реактивного снаряда |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2518645C2 (de) * | 1975-04-26 | 1986-07-17 | Rheinmetall GmbH, 4000 Düsseldorf | Drallbremse für eine aus einem Drallgeschoss ausstoßbare Nutzlast |
SE416078B (sv) * | 1976-08-23 | 1980-11-24 | Foerenade Fabriksverken | Anordning for utskjutning och separation av flera kroppar ur en granat eller liknande |
DE3111907A1 (de) * | 1981-03-26 | 1982-10-07 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zum verteilen von submunition |
DE3635361A1 (de) * | 1986-10-17 | 1988-04-21 | Diehl Gmbh & Co | Artilleriegeschoss mit submunitionen |
DE3643293A1 (de) * | 1986-12-18 | 1988-06-30 | Rheinmetall Gmbh | Drallstabilisiertes traegergeschoss mit mindestens zwei submunitionsgeschossen |
DE3643291A1 (de) * | 1986-12-18 | 1988-06-23 | Rheinmetall Gmbh | Drallstabilisiertes traegergeschoss |
FR2616217B1 (fr) * | 1987-06-02 | 1993-02-05 | Thomson Brandt Armements | Systeme de maintien de charges multiples embarquees dans un projectile tournant autour de son axe longitudinal |
DE3743840A1 (de) * | 1987-12-23 | 1989-07-06 | Diehl Gmbh & Co | Geschoss mit einer submunition |
FR2629908B1 (fr) * | 1988-04-12 | 1993-05-14 | Thomson Brandt Armements | Dispositif de freinage aerodynamique d'un corps |
FR2639106B1 (fr) * | 1988-11-15 | 1990-12-21 | Thomson Brandt Armements | Dispositif de verrouillage et de deverrouillage de deux elements d'un projectile, notamment d'un pot de parachute |
FR2642159B1 (fr) * | 1989-01-20 | 1991-03-29 | Thomson Brandt Armements | Dispositif de mise en position inclinee d'une sous-munition sous parachute |
FR2644881B1 (fr) * | 1989-03-22 | 1991-05-31 | France Etat Armement | Dispositif de liaison entre un premier et deuxieme troncon d'un projectile gyrostabilise |
DE3926711C2 (de) * | 1989-08-12 | 1995-12-07 | Rheinmetall Ind Gmbh | Geschoß mit Innenraum |
DE3937762C2 (de) * | 1989-11-14 | 1993-11-25 | Diehl Gmbh & Co | Artilleriegeschoß-Submunition |
-
1991
- 1991-12-10 FR FR9115268A patent/FR2684754B1/fr not_active Expired - Fee Related
-
1992
- 1992-11-09 US US07/973,732 patent/US5299503A/en not_active Expired - Fee Related
- 1992-12-01 EP EP92403239A patent/EP0546888B1/de not_active Expired - Lifetime
- 1992-12-01 DE DE69224601T patent/DE69224601T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2684754A1 (fr) | 1993-06-11 |
US5299503A (en) | 1994-04-05 |
DE69224601T2 (de) | 1998-06-18 |
DE69224601D1 (de) | 1998-04-09 |
FR2684754B1 (fr) | 1995-04-07 |
EP0546888A1 (de) | 1993-06-16 |
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