EP0201433A1 - Armour-perforating projectile - Google Patents

Armour-perforating projectile Download PDF

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Publication number
EP0201433A1
EP0201433A1 EP86400993A EP86400993A EP0201433A1 EP 0201433 A1 EP0201433 A1 EP 0201433A1 EP 86400993 A EP86400993 A EP 86400993A EP 86400993 A EP86400993 A EP 86400993A EP 0201433 A1 EP0201433 A1 EP 0201433A1
Authority
EP
European Patent Office
Prior art keywords
projectile
charge
propellant
load
front load
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
Application number
EP86400993A
Other languages
German (de)
French (fr)
Other versions
EP0201433B1 (en
Inventor
Alain Kerdraon
Gérard Solve
Hervé Rodriguez
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.)
Cessione giat Industries
Original Assignee
Direction General pour lArmement DGA
Etat Francais
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 Direction General pour lArmement DGA, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of EP0201433A1 publication Critical patent/EP0201433A1/en
Application granted granted Critical
Publication of EP0201433B1 publication Critical patent/EP0201433B1/en
Expired legal-status Critical Current

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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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F42B12/16—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge in combination with an additional projectile or charge, acting successively on the target
    • F42B12/18—Hollow charges in tandem arrangement

Definitions

  • the present invention relates to a projectile intended for the aggression of armored and in particular active targets.
  • the present invention relates to a projectile and more particularly to a military head organization which makes it possible to reconcile favorably the gain in efficiency brought by the mounting of shaped charges mounted in tandem with the functional requirements of a military head of anti-tank projectile such as a rocket or missile.
  • the projectile according to the invention consists on the one hand of a military head comprising a front formed charge and a rear formed charge mounted in tandem and operating in sequence and on the other hand of a propellant.
  • This projectile is characterized in that the propellant is disposed between the front load and the rear load.
  • the connecting structure 12 between the propellant and the rear load is designed so that the effects of the shock induced by the detonation of the front load on the rear load remain negligible. To do this, this structure is deformable so as to absorb the energy developed by the front load.
  • the assembly constituted by the front load and the propellant is designed so as to form a rigid assembly transmitting almost entirely the detonation forces of the front load towards the connection structure 12.
  • the electronic processing unit 8 by virtue of its location, participates in the intercharge protection.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

1. A projectile intended to attack armored and especially active targets, composed of a warhead including a leading shaped-charge unit (2) and a trailing shaped charge unit (1) arranged in tandem and detonating in sequence, on the one hand, and of a propel lent charge, on the other hand, characterized in that it incorporates a protective screen constituted by the propellent charge (9) itself, placed between the two units (1, 2), which is fitted with an axial recess making way for the jet of the trailing shaped-charge unit (1).

Description

La présente invention concerne un projectile destiné à l'agression de cibles blindées et notamment actives.The present invention relates to a projectile intended for the aggression of armored and in particular active targets.

L'évolution de la protection des véhicules blindés a conduit à une évolution parallèle des projectiles militaires antichar. Une des solutions retenue étant lè concept de charges creuses montées en tandem. Parmi les premières associations envisagées on peut noter celle décrite dans le brevet français n° ° 310 547.The evolution of the protection of armored vehicles has led to a parallel evolution of military anti-tank projectiles. One of the solutions chosen is the concept of tandem-mounted shaped charges. Among the first associations envisaged, we can note that described in French patent n ° 310 547.

L'organisation des têtes militaires existantes se prête mal au montage de deux charges explosives détonant en séquence car:

  • -le propulseur est généralement placé derrière la charge principale et la présence d'une charge avant auxilliaire ainsi que l'espace intercharge associé détruisent l'équilibre aérodynamique de la munition.
  • -la charge avant nécessite une protection ou bouclier intercharge, masse inerte qui pénalise le devis masse de l'ensemble.
  • -le montage d'une charge avant s'accommode mal de la présence de moyens de détection et de mise à feu généralement placés dans l'axe de la charge.
The organization of existing military warheads does not lend itself to mounting two detonating explosive charges in sequence because:
  • -the propellant is generally placed behind the main load and the presence of an auxiliary front load as well as the associated intercharge space destroy the aerodynamic balance of the ammunition.
  • -the front load requires an intercharge protection or shield, inert mass which penalizes the mass estimate of the assembly.
  • -The mounting of a front load is ill-suited to the presence of detection and ignition means generally placed in the axis of the load.

La présente invention concerne un projectile et plus particulièrement une organisation de tête militaire qui permet de concilier favorablement le gain d'efficacité apporté par le montage de charges formées montées en tandem avec les exigences fonctionnelles d'une tête militaire de projectile antichar tel qu'une roquette ou un missile.The present invention relates to a projectile and more particularly to a military head organization which makes it possible to reconcile favorably the gain in efficiency brought by the mounting of shaped charges mounted in tandem with the functional requirements of a military head of anti-tank projectile such as a rocket or missile.

Le projectile selon l'invention est constitué d'une part d'une tête militaire comprenant une charge formée avant et une charge formée arrière montées en tandem et fonctionnant en séquence et d'autre part d'un propulseur. Ce projectile est caractérisé par le fait que le propulseur est disposé entre la charge avant et la charge arrière.The projectile according to the invention consists on the one hand of a military head comprising a front formed charge and a rear formed charge mounted in tandem and operating in sequence and on the other hand of a propellant. This projectile is characterized in that the propellant is disposed between the front load and the rear load.

Selon d'autres caractéristiques particulières:

  • -la liaison entre le propulseur et ta charge formée arrière est constituée par une structure déformable.
  • -la charge avant et le propulseur constituent une structure rigide.
  • -le propulseur comporte un évidemment axial permettant le passage du jet de la charge arrière.
  • -les moyens fonctionnels tels que le gyroscope de guidage, le détecteur de cible, l'alimentation électrique, le dispositif de sécurité de la charge avant sont disposés en couronne autour de la charge avant.
  • -le bloc électronique de traitement est disposé entre la charge avant et le propulseur
  • -le retard de fonctionnement entre les deux charges est compris entre 1000 et 3000 αs et plus particulièrement peut être de 2000 u.s.
According to other particular characteristics:
  • -the link between the propellant and your rear shaped charge is formed by a deformable structure.
  • the front load and the propellant constitute a rigid structure.
  • the propellant has an axial recess allowing passage of the jet of the rear charge.
  • the functional means such as the guiding gyroscope, the target detector, the power supply, the safety device for the front load are arranged in a ring around the front load.
  • -the electronic processing unit is placed between the front load and the propellant
  • -the operating delay between the two loads is between 1000 and 3000 αs and more particularly can be 2000 us

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée d'un mode de réalisation particulier de l'invention faite en regard du dessin annexé sur lequel:

  • -la figure 1 représente une coupe longitudinale du projectile selon l'invention.
  • -la figure 2 représente une coupe selon AA de la figure 1
Other characteristics and advantages of the invention will appear on reading the detailed description of a particular embodiment of the invention made with reference to the appended drawing in which:
  • FIG. 1 represents a longitudinal section of the projectile according to the invention.
  • FIG. 2 represents a section along AA of FIG. 1

Le projectile représenté à la figure 1 est constitué:

  • -d'une charge creuse principale 1 située en arrière de la tête militaire et dite charge arrière.
  • -d'une charge creuse secondaire 2 de calibre réduit située en avant de la tête militaire et dite charge avant.
  • -d'un ensemble de moyens fonctionnels constitué par exemple par des dispositifs: de guidage gyroscopique 3, de détection optique de cible 4, d'alimentation électrique 5, de sécurité d'amorçage de la charge avant 6, les dits moyens étant disposés en couronne autour de la charge avant 2.
  • -d'un bloc électronique de traitement de l'information 7 fournie par le détecteur optique 4 et délivrant les impulsions de mise à feu de la charge avant et d'initiation du retard de mise à feu de la charge arrière, le bloc électronique est logé dans un coffret métallique 8.
  • -d'un propulseur à poudre 9 permettant soit d'acquérir la vitesse de croisière (propulseur d'accélération) soit de maintenir la vitesse de croisière (propulseur de croisière). Ce propulseur comporte un évidement axial 10 permettant le passage, sans altération du jet de la charge arrière.
  • -d'un retard 11 qui réalise, soit par pyrotechnie, soit par un dispositif électronique, l'initiation de la détonation de la charge arrière environ 2000 u.s après l'initiation de la charge avant.
The projectile shown in Figure 1 consists of:
  • -a main hollow charge 1 located behind the military head and called rear charge.
  • -a secondary charge 2 of reduced caliber located in front of the military head and called front load.
  • of a set of functional means constituted for example by devices: gyroscopic guidance 3, optical target detection 4, electrical supply 5, safety of priming of the front load 6, said means being arranged in crown around the front load 2.
  • of an electronic data processing unit 7 supplied by the optical detector 4 and delivering the firing pulses of the front load and of initiating the firing delay of the rear load, the electronic unit is housed in a metal case 8.
  • -a powder propellant 9 allowing either to acquire the cruising speed (acceleration propellant) or to maintain the cruising speed (cruising propellant). This propellant has an axial recess 10 allowing passage, without altering the jet of the rear load.
  • of a delay 11 which performs, either by pyrotechnics or by an electronic device, the initiation of the detonation of the rear charge approximately 2000 us after the initiation of the front charge.

La structure de liaison 12 entre le propulseur et la charge arrière est conçue de façon à ce que les effets du choc induit par la détonation de la charge avant sur la charge arrière restent négligeables. Pour ce faire cette structure est déformable de manière à absorber l'énergie développée par la charge avant. Par contre, l'ensemble constitué par la charge avant et le propulseur est conçu de façon à former un ensemble rigide transmettant quasi intégralement les efforts de détonation de la charge avant vers la structure de liaison 12.The connecting structure 12 between the propellant and the rear load is designed so that the effects of the shock induced by the detonation of the front load on the rear load remain negligible. To do this, this structure is deformable so as to absorb the energy developed by the front load. On the other hand, the assembly constituted by the front load and the propellant is designed so as to form a rigid assembly transmitting almost entirely the detonation forces of the front load towards the connection structure 12.

D'autre part, le bloc électronique de traitement 8, de par son emplacement, participe à la protection intercharge.On the other hand, the electronic processing unit 8, by virtue of its location, participates in the intercharge protection.

Le projectile ainsi réalisé offre les avantages provenant du fait;

  • -que le propulseur et le bloc électronique sont disposés entre les deux charges et jouent ainsi le rôle d'écran de protection de la charge arrière, donc permettent un allégement du projectile, d'où un accroîssement de portée.
  • -que la masse de tous les dispositifs annexes est reportée vers l'avant du projectile, ce qui permet d'atteindre un niveau de stabilité important sur trajectoire.
  • -que la disposition de tous les éléments permet une réduction de l'encombrement du projectile.
The projectile thus produced offers the advantages arising from the fact;
  • -that the propellant and the electronic unit are arranged between the two charges and thus play the role of protective screen for the rear charge, therefore allowing the projectile to be lightened, hence an increased range.
  • -that the mass of all the ancillary devices is transferred towards the front of the projectile, which makes it possible to achieve a significant level of stability on the trajectory.
  • -that the arrangement of all the elements allows a reduction in the size of the projectile.

Claims (8)

1 -Projectile destiné à l'agression de ciblés blindées et notamment actives, constitué d'une part d'une tête militaire comprenant une charge formée avant (2) et une charge formée arrière (1) montées en tandem et fonctionnant en séquence et d'autre part d'un propulseur (9) caractérisé en ce que le propulseur (9) est disposé entre la charge avant - (2) et la charge arrière (1).1 -Projectile intended for the aggression of targeted armored vehicles and in particular active, consisting on the one hand of a military head comprising a load formed before (2) and a load formed rear (1) mounted in tandem and operating in sequence and d 'other hand of a propellant (9) characterized in that the propellant (9) is disposed between the front load - (2) and the rear load (1). 2 -Projectile, selon la revendication 1, caractérisé en ce que la liaison entre le propulseur et la charge formée arrière est constituée par une structure déformable (12).2 -Projectile according to claim 1, characterized in that the connection between the propellant and the rear shaped charge is constituted by a deformable structure (12). 3 -Projectile, selon la revendication 2, caractérisé en ce que la charge avant et le propulseur constituent une structure rigide.3 -Projectile according to claim 2, characterized in that the front load and the propellant constitute a rigid structure. 4 - Projectile, selon l'une des revendications 1 à 3, caractérisé en ce que le propulseur comporte un évidement axial (10) permettant le passage du jet de la charge arrière.4 - Projectile, according to one of claims 1 to 3, characterized in that the propellant comprises an axial recess (10) allowing the passage of the jet of the rear charge. 5 -Projectile, selon l'une des revendications 1 à 4, caractérisé en ce que les moyens fonctionnels tels que le gyroscope de guidage (3), le détecteur de cible (4), l'alimentation électrique (5), le dispositif de sécurité (6) de la charge avant sont disposés en couronne autour de la charge avant.5 -Projectile, according to one of claims 1 to 4, characterized in that the functional means such as the guide gyroscope (3), the target detector (4), the power supply (5), the safety (6) of the front load are arranged in a ring around the front load. 6 -Projectile, selon l'une des revendications 1 à 5, caractérisé en ce que le bloc électronique de traitement est disposé entre la charge avant et le propulseur.6 -Projectile, according to one of claims 1 to 5, characterized in that the electronic processing unit is disposed between the front load and the propellant. 7 -Projectile, selon l'une des revendications 1 à 6, caractérisé en ce que le retard de fonctionnement entre les deux charges est compris entre 1000 et 3000 µs.7 -Projectile, according to one of claims 1 to 6, characterized in that the operating delay between the two charges is between 1000 and 3000 µs. 8 -Projectile, selon l'une des revendications 1 à 7, caractérisé en ce que le retard de fonctionnement entre les deux charges est de 2000 µs.8 -Projectile, according to one of claims 1 to 7, characterized in that the operating delay between the two charges is 2000 µs.
EP19860400993 1985-05-10 1986-05-09 Armour-perforating projectile Expired EP0201433B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8507080A FR2581749B1 (en) 1985-05-10 1985-05-10 ANTICHAR PROJECTILE
FR8507080 1985-05-10

Publications (2)

Publication Number Publication Date
EP0201433A1 true EP0201433A1 (en) 1986-12-17
EP0201433B1 EP0201433B1 (en) 1988-08-31

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EP (1) EP0201433B1 (en)
DE (1) DE3660645D1 (en)
FR (1) FR2581749B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0249678A2 (en) * 1986-06-18 1987-12-23 Rheinmetall GmbH Ammunition, especially for fighting targets provided with a reactive armour
FR2603375A1 (en) * 1986-08-26 1988-03-04 Matra Manurhin Defense Dual charge munition - with proximity fuse for shaped charge in front of retarded hollow charge
US4848238A (en) * 1986-01-21 1989-07-18 Rheinmetall Gmbh Active element for combating, in particular, active armored targets
US5078069A (en) * 1990-03-27 1992-01-07 Hughes Aircraft Company Warhead
US5780766A (en) * 1996-04-30 1998-07-14 Diehl Gmbh & Co. Guided missile deployable as mortar projectile
GB2496276A (en) * 2011-10-27 2013-05-08 Mbda Uk Ltd Guided munition with processing electronics located behind the warhead
GB2518337A (en) * 1987-11-28 2015-03-25 Rheinmetall W & M Gmbh Warhead

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924810A1 (en) * 1989-07-27 1991-02-07 Bundesrep Deutschland Spin-stabilised rotating rocket with terminal war-heads - has lateral propulsion nozzles also active as steering fins
FR2729750B1 (en) * 1990-03-29 1997-03-21 France Etat MILITARY HEAD WITH HOLLOW LOADS IN SEQUENCE
DE4102772C1 (en) 1991-01-31 1998-10-01 Daimler Benz Aerospace Ag Two stage warhead combating reactively-armoured tanks
US5565647A (en) * 1991-05-24 1996-10-15 Giat Industries Warhead with sequential shape charges
FR2953009A1 (en) 2009-11-26 2011-05-27 Nexter Munitions MILITARY HEAD WITH TANDEM LOADS
RU2714274C2 (en) * 2018-06-15 2020-02-13 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-Морского Флота "Военно-морская академия им. Адмирала Флота Советского Союза Н.Г. Кузнецова" Cruise missile with self-contained unmanned underwater vehicle-mine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1002092A (en) * 1946-07-25 1952-03-03 Soc Tech De Rech Ind Perforating projectiles improvements
US2804823A (en) * 1955-05-13 1957-09-03 Jablansky Louis Multiple unit projectile
FR1455403A (en) * 1965-09-03 1966-04-01 Ring-nozzle warhead powder thruster
FR1569559A (en) * 1964-11-26 1969-06-06
FR2310547A1 (en) * 1975-05-06 1976-12-03 Realisa Et Applic Tech Et Missile with secondary charge ahead of main charge - has small charge on nose cone positioned not to disturb main explosion
FR2519752A1 (en) * 1982-01-07 1983-07-18 Serat Ground-to-ground anti-tank weapon - uses missiles with electromagnetic target detection to operate while passing over target
DE2829002A1 (en) * 1978-07-01 1984-03-29 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Multiple headed missile system - moves initial- and after-action bodies apart axially before detonation
DE2629280C1 (en) * 1976-06-30 1985-07-25 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Warhead for fighting target objects, especially aircraft, which are housed in protective spaces

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1002092A (en) * 1946-07-25 1952-03-03 Soc Tech De Rech Ind Perforating projectiles improvements
US2804823A (en) * 1955-05-13 1957-09-03 Jablansky Louis Multiple unit projectile
FR1569559A (en) * 1964-11-26 1969-06-06
FR1455403A (en) * 1965-09-03 1966-04-01 Ring-nozzle warhead powder thruster
FR2310547A1 (en) * 1975-05-06 1976-12-03 Realisa Et Applic Tech Et Missile with secondary charge ahead of main charge - has small charge on nose cone positioned not to disturb main explosion
DE2629280C1 (en) * 1976-06-30 1985-07-25 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Warhead for fighting target objects, especially aircraft, which are housed in protective spaces
DE2829002A1 (en) * 1978-07-01 1984-03-29 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Multiple headed missile system - moves initial- and after-action bodies apart axially before detonation
FR2519752A1 (en) * 1982-01-07 1983-07-18 Serat Ground-to-ground anti-tank weapon - uses missiles with electromagnetic target detection to operate while passing over target

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848238A (en) * 1986-01-21 1989-07-18 Rheinmetall Gmbh Active element for combating, in particular, active armored targets
EP0249678A2 (en) * 1986-06-18 1987-12-23 Rheinmetall GmbH Ammunition, especially for fighting targets provided with a reactive armour
EP0249678A3 (en) * 1986-06-18 1988-02-17 Rheinmetall Gmbh Ammunition, especially for fighting targets provided with a reactive armour
FR2603375A1 (en) * 1986-08-26 1988-03-04 Matra Manurhin Defense Dual charge munition - with proximity fuse for shaped charge in front of retarded hollow charge
GB2518337A (en) * 1987-11-28 2015-03-25 Rheinmetall W & M Gmbh Warhead
GB2518337B (en) * 1987-11-28 2016-03-23 Rheinmetall W & M Gmbh Warhead
US5078069A (en) * 1990-03-27 1992-01-07 Hughes Aircraft Company Warhead
US5780766A (en) * 1996-04-30 1998-07-14 Diehl Gmbh & Co. Guided missile deployable as mortar projectile
DE19655109C2 (en) * 1996-04-30 2000-06-15 Diehl Stiftung & Co Mortar ammunition
GB2496276A (en) * 2011-10-27 2013-05-08 Mbda Uk Ltd Guided munition with processing electronics located behind the warhead
GB2496276B (en) * 2011-10-27 2014-08-20 Mbda Uk Ltd An improved guided munition
US8997654B2 (en) 2011-10-27 2015-04-07 Mbda Uk Limited Guided munition

Also Published As

Publication number Publication date
FR2581749B1 (en) 1987-10-02
FR2581749A1 (en) 1986-11-14
EP0201433B1 (en) 1988-08-31
DE3660645D1 (en) 1988-10-06

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