EP3457076B1 - Corps actif à couvercle de freinage - Google Patents

Corps actif à couvercle de freinage Download PDF

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Publication number
EP3457076B1
EP3457076B1 EP18190148.9A EP18190148A EP3457076B1 EP 3457076 B1 EP3457076 B1 EP 3457076B1 EP 18190148 A EP18190148 A EP 18190148A EP 3457076 B1 EP3457076 B1 EP 3457076B1
Authority
EP
European Patent Office
Prior art keywords
cover
brake
explosive device
charge
active body
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.)
Active
Application number
EP18190148.9A
Other languages
German (de)
English (en)
Other versions
EP3457076A1 (fr
Inventor
Sven Guth
Jonathan NUSSBAUMER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3457076A1 publication Critical patent/EP3457076A1/fr
Application granted granted Critical
Publication of EP3457076B1 publication Critical patent/EP3457076B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
    • F42B10/56—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding of parachute or paraglider type
    • 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
    • F42B12/625—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected parallel to the longitudinal axis of the projectile a single submissile arranged in a carrier missile for being launched or accelerated coaxially; Coaxial tandem arrangement of missiles which are active in the target one after the other

Definitions

  • the present invention relates to an active body for applying at least one effect charge and a corresponding projectile body which contains the aforementioned active body.
  • Such active bodies often have pyrotechnic charges as effect charges and are therefore known as pyrotechnic luminous bodies or as fog bodies as a special form of pyrotechnic luminous body.
  • a corresponding active body according to the invention should burn as evenly as possible and thus apply its active charge evenly over a longer period of time. To this end, it is first of all necessary that reliable ignition and / or decomposition of the effect charge in the active body is guaranteed. This is mainly dependent on the damming of the active body.
  • a corresponding smoke throwing body as an active body is for example from the DE 10 2010 026 641 A1 known.
  • the active body described there has a delay charge, which causes the effect charge to take effect after a delay.
  • the object of the present invention is to create an active body which reduces the impact speed and offers reliable ignition without delay elements. It is also the object of the present invention to ensure a homogeneous and performance-oriented burn and to maintain the internal pressure during the burn of the cladding.
  • the invention proposes an active body for applying at least one effect charge, wherein this effect charge can be a flare, a smoke set or other irritation sets.
  • this effect charge can be a flare, a smoke set or other irritation sets.
  • Several effect charges can also be provided in one active body.
  • the effect charge is arranged in the active body and is applied by breaking it down or burning it off.
  • the active body has a circumferential jacket which has two ends. These two ends of the jacket are now covered at one end with a cover and at the other end with a brake cover.
  • the lid is designed so that the effect charge can be ignited by means of it. This can be done, for example, by means of an ejection charge provided for this purpose.
  • the lid is designed in such a way that it is either flammable and thus the effect charge can also be ignited when the lid burns off.
  • at least one ignition hole is provided in the cover, through which the effect charge in the active body can be ignited.
  • a flammable lid If a flammable lid is used, it must be ensured that the effect charge is applied to the side of the shell facing away from the lid. For this purpose, further elements must be provided on the side of the shell with the lid, which prevent it from being discharged in the direction of the lid.
  • the ignition bores are designed in such a way that they are arranged radially circumferentially on the cover.
  • the ignition bores can be arranged on a circular line and preferably designed as a continuous recess.
  • the end of the jacket opposite the cover is covered with a brake cover.
  • the brake cover has at least one hole and comprises a brake loop guided through the hole.
  • the brake loop is preferably made of a woven material and is therefore designed to be flexible.
  • the ends of the brake loop are attached to the active body, preferably on the jacket of the active body.
  • the brake cover is attached to the brake loop in such a way that it is detachably arranged on the jacket and can move away from the active body when it is detached from the jacket.
  • the maximum distance of the brake cover is limited by the brake loop, since the brake cover is held in a maximum deflection by the brake loop by passing the brake loop through the hole in the brake cover.
  • the brake cover slips along the brake loop when it is released from the jacket of the active body.
  • the fuel can be guided through them in a meandering manner.
  • the brake loop is preferably made of a woven material, but can be made of any flexible material.
  • the holes in the brake cover can be designed in such a way that, when moving along the brake loop, they exert a braking force on the movement of the brake cover.
  • the holes can be designed correspondingly narrow or contain clamping elements.
  • these connecting elements can be designed by pinning.
  • recesses are provided on the jacket, into which pins of the cover can engage.
  • the invention further proposes a projectile body consisting of a housing which has at least two housing elements.
  • an active body as described above, is arranged in the interior of the housing.
  • the housing elements are preferably connected by a releasable connection and can be released from one another when a certain force is applied.
  • an ejection charge is proposed.
  • This discharge charge is arranged on the side in the housing on which the cover of the active body is located.
  • the aforementioned force can act on the housing elements via the ejection charge, so that they are released.
  • the ejection charge can ignite the effect charge through the above-mentioned features of the lid.
  • the ejection charge can also exert a force on the active body.
  • such an ejection charge also consists of a pyrotechnic charge which can be ignited by suitable means.
  • the active body Since the active body is no longer located in the interior of the housing of the projectile after the connection of the housing elements has been loosened, external environmental conditions act on it, such as the air resistance which acts on the active body through the flight movement.
  • the brake cover is released from the jacket of the active body and moves along the brake loop until it is held in an end position by the latter.
  • additional projections can be provided on the brake cover in order to increase the force of the air on the brake cover.
  • the brake cover In its end position on the brake loop of the active body, the brake cover now acts like a kind of parachute on the active body and thus ensures that the falling speed of the active body is noticeably reduced due to the air resistance.
  • these are to be dimensioned so that direct ignition of the effect charge can take place reliably. Since the lid remains on the body during the entire burning time, this guarantees a homogeneous and powerful effect.
  • Figure 1 shows a projectile body according to the invention which consists of a housing and the housing has an active body 1.
  • the active body 1 is arranged in the housing and contains at least one effect charge that can be deployed.
  • the effect charge can be applied by dismantling or burning.
  • the housing of the projectile body according to the invention consists of at least two housing elements 6 which are detachably connected to one another in order to form the housing.
  • the active body In the longitudinal direction of the active body 1, the active body is limited in one direction by a brake cover 4 and in the other direction by a cover 3.
  • a brake loop 5 is also provided on the active body 1, which is passed through holes on the brake cover 4.
  • An ejection charge 7 is provided on the side of the cover 3 in the housing of the projectile body according to the invention.
  • the ejection charge 7 is arranged in the direction of flight 8 of the projectile.
  • the housing elements 6 are detachably connected to one another so that when a force acts on the housing parts 6, the connection is released and the active body 1 can emerge from the housing of the projectile body.
  • the discharge charge 7 is provided to generate such a force.
  • a force is exerted on the active body 1 and also on the housing elements 6.
  • the cover 3 is designed so that the ejection charge 7 can ignite the effect charge; ignition bores are preferably provided in the cover 3 for this purpose.
  • the active body 1 is now ejected from the projectile body against the flight direction 8 of the projectile body.
  • the active body 1 After the active body 1 is ejected, it is now subject to the environmental conditions during the flight of the active body 1. Thus, the air resistance present during the flight acts on the brake cover 4 of the active body 1. Since the brake cover 4 is releasably attached to the active body 1, it is now against the direction of flight 8 moved and held by the brake loop 5 in an end position by the implementation of the brake loop 5 through the brake cover 4.
  • Figure 2 shows an active body 1 according to the invention after being deployed from the projectile body.
  • the active body 1 according to the invention is here encased by a jacket 9, the jacket ends being delimited by the brake cover 4 and the cover 3.
  • the jacket 9 ensures, among other things, for the damming of the effect charge.
  • the cover 3 is firmly connected to the jacket 9 of the active body 1 by means of suitable connecting elements 10.
  • These connecting elements 10 can, for example, be pins which can engage in recesses provided for this purpose in the jacket 9 of the active body 1.
  • latching connections or adhesive connections are also conceivable.
  • ignition bores 11 may be provided. At least one such ignition hole 11 is necessary in order to enable the effect charge to be ignited through the cover 3.
  • Figure 5 shows again the passage 12 of the brake loop 5 through the brake cover 4.
  • Two holes in the brake cover 4 are shown here. Several holes can also be provided here.
  • the brake loop 5 is then preferably guided in a meandering manner through the holes in the brake cover 4.
  • the holes in the brake cover 4 can be designed so that they exert a certain frictional force on the brake loop 5. It is thus possible to hold the brake cover 4 at one end of the jacket 9 and to set the air friction required to move the brake cover 4 along the brake loop 5.
  • the present invention is not limited to the aforementioned features. Rather, further embodiments are conceivable.
  • the brake loop can be made of rubber, the discharge charge can act electrically or the cover can be designed to be combustible. In the case of a flammable lid, however, measures are necessary to prevent the discharge of the effect charge in the direction of flight and only to ensure against the direction of flight.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lighters Containing Fuel (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (14)

  1. Corps actif (1) de production d'au moins une charge active pyrotechnique :
    avec une enveloppe périphérique (9) ;
    avec deux extrémités qui sont formées par l'enveloppe (9) ;
    avec un couvercle (3) recouvrant une des extrémités, l'autre extrémité étant recouverte d'un couvercle de freinage (4) ;
    le couvercle de freinage (4) comportant au moins un trou ;
    une boucle de freinage (5) étant prévue ;
    la boucle de freinage (5) étant introduite à travers le trou du couvercle de freinage (4) ;
    le couvercle (3) étant réalisé de façon inflammable ou le couvercle (3) comportant au moins un alésage d'allumage (11) pour enflammer la charge active pyrotechnique.
  2. Corps actif (1) selon la revendication 1, caractérisé en ce que la charge active produit un effet de fumée.
  3. Corps actif (1) selon la revendication 1 ou 2, caractérisé en ce que le couvercle (3) est relié au corps actif (1) par le biais d'éléments de liaison (10).
  4. Corps actif (1) selon la revendication 3, caractérisé en ce que les éléments de liaison (10) sont réalisés par piétage.
  5. Corps actif (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la boucle de freinage (5) est fixée à l'enveloppe (5).
  6. Corps actif (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que plusieurs alésages d'allumage (11) sont prévus, ces alésages étant disposés de façon périphérique dans le plan radial au niveau du couvercle (3).
  7. Corps actif (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que plusieurs trous sont prévus dans le couvercle de freinage (4), de sorte que la boucle de freinage (5) est introduite au travers des trous (12).
  8. Corps actif (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la boucle de freinage (5) se compose d'une matière tissée.
  9. Corps actif (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le couvercle de freinage (4) est réalisé de façon mobile le long de la boucle de freinage (5).
  10. Corps de projection avec un carter, composé d'au moins deux éléments de carter (6), caractérisé en ce qu'un corps actif (1) selon l'une quelconque des revendications 1 à 9 dans le carter.
  11. Corps de projection selon la revendication 10, caractérisé en ce qu'une charge d'expulsion est prévue en direction du couvercle (3), ladite charge dans le carter pouvant exercer une force sur le corps actif et veillant à l'allumage de la charge active.
  12. Corps de projection selon la revendication 10 ou 11, caractérisé en ce qu'au moins deux éléments de carter (6) sont reliés au travers d'une liaison amovible (2).
  13. Corps de projection selon la revendication 12, caractérisé en ce que la force agit simultanément sur le corps actif et sur les éléments de carter (6), de sorte que la liaison (2) soit débloquée.
  14. Corps de projection selon l'une quelconque des revendications 10 à 13, caractérisé en ce que le corps de projection est éjecté hors d'un projecteur.
EP18190148.9A 2017-09-14 2018-08-22 Corps actif à couvercle de freinage Active EP3457076B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017121275.2A DE102017121275A1 (de) 2017-09-14 2017-09-14 Wirkkörper mit Bremsdeckel

Publications (2)

Publication Number Publication Date
EP3457076A1 EP3457076A1 (fr) 2019-03-20
EP3457076B1 true EP3457076B1 (fr) 2020-12-16

Family

ID=63363922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18190148.9A Active EP3457076B1 (fr) 2017-09-14 2018-08-22 Corps actif à couvercle de freinage

Country Status (2)

Country Link
EP (1) EP3457076B1 (fr)
DE (1) DE102017121275A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2607336C2 (de) * 1976-02-23 1983-12-22 Rheinmetall GmbH, 4000 Düsseldorf Trägergeschoß für ausstoßbare Körper
GB2215014B (en) * 1988-02-23 1991-08-21 Charles Anthony Howard Knight Short range projectile
DE4124655C2 (de) * 1991-07-25 1995-07-06 Rheinmetall Ind Gmbh Bremseinrichtung für Submunition
US5398614A (en) * 1994-06-10 1995-03-21 The United States Of America As Represented By The Secretary Of The Army Ram air inflated decelerator deployment flaps
US8480034B2 (en) * 2009-05-29 2013-07-09 Caylym Technologies International, Llc Aerial delivery devices, systems and methods
US20070090174A1 (en) * 2005-10-07 2007-04-26 Goddard Richard V Cellulose-based aerial delivery system and method of use
US9138604B2 (en) * 2008-07-28 2015-09-22 The Boeing Company Aerial delivery system
FR2960633B1 (fr) * 2010-06-01 2012-05-04 Nexter Munitions Dispositif cargo a ouverture retardee
DE102010026641A1 (de) 2010-07-09 2012-01-12 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
AU2015289610B2 (en) * 2014-07-16 2019-05-09 The Skylife Company, Inc. Methods and systems for mass distribution of supply packs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102017121275A1 (de) 2019-03-14
EP3457076A1 (fr) 2019-03-20

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