EP2962060B1 - Munition a puissance explosive modulable - Google Patents
Munition a puissance explosive modulable Download PDFInfo
- Publication number
- EP2962060B1 EP2962060B1 EP14713194.0A EP14713194A EP2962060B1 EP 2962060 B1 EP2962060 B1 EP 2962060B1 EP 14713194 A EP14713194 A EP 14713194A EP 2962060 B1 EP2962060 B1 EP 2962060B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- munition
- selector
- explosive
- explosive charge
- detonating
- 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
Links
- 239000002360 explosive Substances 0.000 title claims description 125
- 230000005540 biological transmission Effects 0.000 claims description 52
- 238000010304 firing Methods 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005474 detonation Methods 0.000 description 35
- 239000004606 Fillers/Extenders Substances 0.000 description 11
- 230000037452 priming Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 241001080024 Telles Species 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000273930 Brevoortia tyrannus Species 0.000 description 1
- 208000032369 Primary transmission Diseases 0.000 description 1
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
- F42B12/207—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by the explosive material or the construction of the high explosive warhead, e.g. insensitive ammunition
-
- 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
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
- F42B12/208—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by a plurality of charges within a single high explosive warhead
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B25/00—Fall bombs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C14/00—Mechanical fuzes characterised by the ammunition class or type
- F42C14/06—Mechanical fuzes characterised by the ammunition class or type for fall bombs
-
- 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
- F42C19/0807—Primers; Detonators characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filters
-
- 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
- F42C19/0842—Arrangements of a multiplicity of primers or detonators, dispersed within a warhead, for multiple mode selection
Definitions
- the present invention relates to an ammunition, in particular a bomb and more particularly an aerial bomb.
- the present invention relates to a munition of the type comprising a body extending in an axial direction and housing at least a first and a second explosive charge and a firing device.
- the present invention relates to a modular explosive power ammunition.
- the term "ammunition with adjustable explosive power” means a munition capable of generating a predetermined non-zero power detonation P1 in at least one first mode of operation and generating, in a second mode of operation, a power detonation P2. non-zero and different from P1, each power P1 and P2 being estimated for example by its equivalent TNT.
- a munition of the aforementioned type is generally intended to be connected to a transport platform, including an aircraft. It is then an air weapon used to precisely reach ground targets such as bunkers, armored vehicles, etc.
- a munition for example, comprising two explosive charges arranged coaxially and connected respectively to a firing device.
- the controlled ignition of one or both firing devices can detonate either one or both explosive charges, and thus control the explosive power of the ammunition.
- a disadvantage of such a munition is that two firing devices must be managed, but most existing arming devices do not allow it.
- an ammunition comprising a plurality of stacked annular charges defining a central channel in which is housed a cylinder provided with vents, housing a firing device.
- the charges are initiated selectively by rotating the cylinder to allow the passage of the gases generated by the firing device to the selected charge (s).
- the presence of a central channel housing the firing device limits the filling rate of the ammunition by the active ingredient, and makes the manufacture of the ammunition more complex.
- the skilled person is always looking for a munition, including an air munition, allowing easy adjustment of its explosive power.
- the object of the present invention is to provide a new munition fulfilling these conditions.
- a modular explosive power ammunition comprising a body extending in an axial direction and housing at least a first and a second explosive charge and a firing device, said ammunition being characterized in that it further comprises a selector provided with a detonating part and adapted to move between at least a first and a second position, the selector being configured so that its detonating part couples the firing device to the first explosive charge in said first position and the second explosive charge in said second position, one of the first and second explosive charges not being coupled to the firing device in at least one of the first and second position.
- the firing device is adapted to be coupled to each explosive charge via the detonating part of the selector which forms a priming relay.
- charge is understood to mean a pyrotechnic charge, which is generally in the form of a block.
- the selector being mobile its detonating part may, depending on its position, come to couple the firing device to one or other of the explosive charges or, in some operating modes, to both, so that the power of detonation of the ammunition is flexible.
- the armourer can select the power of the ammunition by a simple action on the selector during its installation (that is to say at the assembly) and / or after its implementation during the operational implementation of the ammunition according to the intended target.
- the position of the selector during assembly is or is not predetermined (default setting or not). But regardless of its initial position after assembly, the selector can be moved before use to adapt the explosive power of the ammunition if necessary.
- the munition comprises a drive system for connecting the selector to a movable actuating element forming part of the outer shell of the munition, the displacement of said actuating element causing the moving the selector.
- the drive system may comprise, for example, a rod.
- the selector When the selector is in its first position, and the firing device is actuated, the detonation is transmitted to the first explosive charge via the detonating part of the selector.
- the munition according to the invention therefore requires only one trigger control means, ie a single firing device, to trigger the various explosive charges it houses.
- the detonating part of the selector is indirectly coupled to one or the other explosive charge.
- the ammunition comprises at least one primary pyrotechnic transmission unit coupling the first explosive charge to the selector.
- the munition also comprises at least one secondary pyrotechnic transmission unit coupling the second explosive charge to the selector.
- the pyrotechnic transmission units connected respectively to the first and the second explosive charge may for example be radially opposite, that is to say located on either side of the main axis of the ammunition.
- the detonating portion of the selector is coupled (either directly or via one or more pyrotechnic transmission units) to both the first and second explosive charges in one of the first and second positions.
- the selector will trigger the two explosive charges and the detonation power may correspond, when the selector is in said position, to the sum of the powers of the two explosive charges.
- the selector In its other position, the selector will only trigger one of the two charges.
- the detonator portion of the selector is unable to simultaneously couple the firing device to the first and second explosive charges.
- the detonation of one of the explosive charges results either by direct influence (especially if the explosive power of the charge is significant), or by means of one or more transmission units. pyrotechnic, the priming of the other explosive charge.
- the munition according to the invention makes it possible, at the very least, to generate a non-zero predetermined power explosion P1 in at least one first mode of operation (selector in a first position) and to generate, in a second mode of operation (selector in a second position), a power explosion P2 non-zero and different from P1.
- the first and second explosive charges are configured such that at least one of the two charges can detonate without detonating the second.
- this will be made possible by adapting the explosive power of each load.
- Parameters for modulating this explosive power are for example the nature of the load, its dimensions, its shape, its intrinsic performance, its critical dimensions, and its sensitivity to intense shocks.
- the first and second explosive charges are separated by a first non-detonating intermediate element.
- the first non-detonating intermediate element may in particular be an inert filler (that is to say a non-pyrotechnic filler) or an energetic but non-detonating charge (ie a charge capable of releasing energy by live combustion or explosion).
- an inert filler that is to say a non-pyrotechnic filler
- an energetic but non-detonating charge ie a charge capable of releasing energy by live combustion or explosion
- the firing device is separated from the second explosive charge by a second non-detonating intermediate element.
- the second non-detonating intermediate element may especially be an inert filler or an energetic but non-detonating filler.
- front end of the ammunition means that oriented in the direction of movement of said munition, and the rear end, its opposite end in the axial direction.
- the firing device is disposed at one end of the munition, in particular at its rear end.
- the firing device and the explosive charges are arranged one after the other in the axial direction of the munition.
- the first explosive charge is disposed in the vicinity of the front end of the munition, and the second explosive charge is disposed axially between the firing device and the first explosive charge.
- the blast effect and the splinters resulting from the detonation are favorably directed forward, that is to say towards the target, and the collateral effects. towards the rear of the ammunition are considerably reduced.
- This is particularly advantageous in cases where the targets are positioned in urban areas. In these cases, it is indeed desirable not only to reduce the explosive power of the munition, but also to limit its possible collateral effects, by directing the blast effect as well as the splinters generated by its detonation, towards the targeted targets .
- the selector is configured in such a way that its detonating part couples the firing device to only one explosive charge at a time.
- the selector is configured such that, in at least one of the first and second positions, its detonating portion couples the firing device to both the first and second explosive charges.
- the selector is a rotary element of which a first angular sector constitutes the detonating part and a second angular sector is formed in a non-detonating material.
- the angular sector constituting the detonating part extends over an angle of less than 180 °, preferably between 30 and 150 °, more preferably between 60 and 120 °.
- the angular sector constituting the detonating part extends over an angle at least equal to 180 °, preferably between 210 and 330 °, more preferably between 240 and 300 °.
- the selector is for example a rotating ring.
- the firing device is disposed in the interior space delimited by the inner wall of the ring forming the selector.
- an axial direction is a direction parallel to the main axis of the munition.
- a radial direction is a direction perpendicular to the main axis and intersecting this axis.
- the adjectives and adverbs axial, radial, axially and radially are used with reference to the aforementioned axial and radial directions.
- an axial plane is a plane containing the main axis of the munition and a radial plane is a plane perpendicular to this axis.
- an axial section is a section defined in an axial plane, and a radial section is a section defined in a radial plane.
- the inner and outer adjectives are used with reference to a radial direction so that the inner part (or radially inner side) of an element is closer to the main axis than the part or the external (ie radially external) face of the same element.
- the term "pyrotechnic transmission unit” means any element capable of propagating a detonation, in particular from the detonating part of the selector to an explosive charge, said elements being placed at a distance from one another.
- the pyrotechnic transmission unit generally comprises a pyrotechnic extender, for connecting the selector to the explosive charge concerned.
- pyrotechnic extender means any element adapted to transmit a detonation wave, initially resulting from the firing device, without modifying said detonation wave, and in particular its surface amplitude, intensity (or power), or its shape.
- a pyrotechnic extender is an elongated member, that is to say longer than wide, rigid or flexible, of substantially constant section.
- the pyrotechnic extender comprises an explosive compound of homogeneous composition, identical or different from that of the explosive charge. More preferably, the pyrotechnic extender comprises a single explosive compound of homogeneous composition, especially monolithic. Even more preferably, the pyrotechnic transmission unit comprises a single explosive compound of homogeneous composition, preferably monolithic.
- the pyrotechnic extender has a maximum radial dimension substantially less than the maximum diameter of the munition, preferably at least 5 times smaller than this diameter, and even more preferably at least 20 times smaller than this diameter.
- a pyrotechnic transmission unit comprises a rigid or flexible tube, rectilinear or not, containing an explosive compound.
- a pyrotechnic transmission unit may in particular comprise a flexible detonating cord as described in the patent application. WO9104235 .
- the pyrotechnic transmission unit may also comprise a tube comprising a granular explosive charge (of the RDX or HMX type) or a compressed explosive (of the hexocire type) or a cross-linked binder composite explosive (of the HMX or RDX / polyurethane binder type) .
- the tube may be plastic or metal.
- the pyrotechnic transmission unit comprises a rigid bead of any shape made of an explosive compound, said bead can be naked or covered with a linker.
- the pyrotechnic transmission unit further comprises a first ignition relay coupling said pyrotechnic extension to the corresponding explosive charge.
- the term "priming relay” in English “booster” any boot device adapted to transmit a detonation wave by modifying the surface amplitude and / or the intensity and / or the shape of this wave.
- the priming relay may be used to increase the surface of the detonation wave transmitted to the explosive charge when the pyrotechnic extender has a diameter smaller than the critical diameter of the explosive charge (ie the diameter below which the detonation the charge can not take place).
- the priming relay will then have a flared shape in the direction of the explosive charge, its maximum diameter being greater than the critical diameter of said load.
- FIG. 1 there is shown a munition 10 according to a first embodiment of the present invention, comprising an elongate body 12 of axis A-A '.
- the front of the ammunition 10 corresponds to its side directed in the direction of movement (ie towards the target), and that the rear of the ammunition corresponds to its opposite side in the direction of the target. direction of the axis A-A '.
- the body 12 is tapered at its front end 12a.
- this functional element is disposed inside a front receiving sheath 18a, sized to close a front opening of the body.
- a firing device 16 is located in the vicinity of the rear end 12b of the body 12.
- the firing device 16 is inserted inside a receiving sheath 18b provided for in FIG. rear end 12b of the body 12 (hereinafter rear sheath).
- the rear end 12b of the bomb body 12 is closed by a closure device 17, which, in the example, holds in position the rear sheath 18b.
- the functional element 14 and the firing device 16 are both powered by a power supply element (not shown) located outside the body 12, and this, via electrical conduits 20, 22.
- the power supply member is for example a wind turbine, in particular a wind turbine mounted on the body of the munition, outside of it.
- the munition 10 further comprises two anchor wells 24 formed in the body 12, and for its connection to a platform of carriage of the aircraft, the helicopter or the drone on which the ammunition 10 is for example mounted.
- the wells 24 may in particular be intended to receive rings for suspending the ammunition 10 at the loading platform.
- the body 12 houses successively: a first explosive charge 31 which fills a first front space of the munition 10, delimited by the inner wall of the body 12 and the sheath before 18a, a first non-detonating intermediate element 41, a second explosive charge 32, a second non-detonating intermediate element 42, and the firing device 16.
- each explosive charge 31, 32 consists of a solid block. Each charge thus extends substantially over a whole diameter of the body 12.
- the first and second explosive charges 31, 32 may for example consist of a composite explosive, especially based on aluminum (Al), hexogen (RDX) and a polyurethane binder.
- Al aluminum
- RDX hexogen
- polyurethane binder An example of a composition that can be used is that referenced PBXN-109. Any other suitable composition may, however, be suitable.
- the explosive charges of the ammunition may have compositions that are identical or different.
- the first and second non-detonating intermediate elements 41, 42 are inert or non-detonating energy charges here.
- fillers may have similar or different compositions.
- a plastic material especially a polyurethane matrix material comprising a mineral filler, is an example of a suitable composition.
- the first and the second explosive charge 31, 32 respectively fill a quarter and a half of the interior space of the ammunition body.
- the firing device 16 is surrounded by a selector 50, here having the shape of a rotary ring, said selector 50 being itself surrounded by the second non-detonating charge 42.
- the selector 50 comprises at least one part 52 consisting of an explosive material, able to propagate a detonation coming from the firing device 16.
- the selector 50 is also adapted to pivot about the axis A-A 'of the body 12 of ammunition 10 to couple the detonating part 52 with the desired explosive charge (s), and thus modulate the explosive power of the ammunition as required.
- each explosive charge 31, 32 is connected pyrotechnically (i.e. coupled) to the selector 50 via at least one pyrotechnic transmission unit 61, 62.
- a pyrotechnic transmission unit 61 coupling the first explosive charge 31 to the selector 50 is called a primary pyrotechnic transmission unit. It crosses here a portion of the second intermediate element 42.
- a pyrotechnic transmission unit 62 coupling the second explosive charge 32 to the selector 50 is called a secondary pyrotechnic transmission unit. It passes through here a portion of the second intermediate element 42, the second explosive charge 32 and the first intermediate element 41.
- a single primary transmission unit 61 and a single secondary transmission unit 62 are provided.
- the primary pyrotechnic transmission units 61 and secondary 62 are here arranged symmetrically on either side of the axis A-A 'and each extend parallel to this axis.
- the primary pyrotechnic transmission unit 61 comprises, in the example, a pyrotechnic extender 64 connected directly to the selector 50, and a priming relay 66 connected to the first explosive charge 31.
- the pyrotechnic extender 64 passes through the second non-detonating charge 42, the second explosive charge 32, and the first non-detonating charge 41.
- the primary pyrotechnic transmission unit and in particular the portion of said pyrotechnic transmission unit which is in contact with the second explosive charge (especially the pyrotechnic extender 64) is configured such that the propagation of an explosive wave in said unit does not initiate the second explosive charge.
- the second explosive charge because of its detonation initiation sensitivity (related to its nature, its dimensions, its shape, its intrinsic performances, its critical dimensions and its sensitivity to intense shocks ... ), is not likely to be initiated in detonation by the radial detonation effects of the pyrotechnic transmission unit, or at least its portion in contact with said second explosive charge.
- the pyrotechnic transmission unit may for example comprise an outer sheath, preferably extending around the entire periphery of the transmission unit, and in particular consisting of a inert material, surrounding the explosive material allowing the propagation of the detonation.
- the pyrotechnic extender 64 and the ignition relay 66 thus comprise an outer sheath made of metal or plastic, filled with an explosive compound making it possible to transmit the detonation of the firing device 16 to the explosive charge 31.
- the priming relay 66 has a frustoconical shape, flared towards its free end, which allows efficient transmission of the detonation from the firing device 16 to the explosive charge 31.
- At least one end of the pyrotechnic transmission unit 61 and in particular the priming relay 66 is embedded in the first explosive charge 31.
- the secondary pyrotechnic transmission unit 62 consists of an extension of constant section 68, of obviously much smaller length than that of the primary pyrotechnic transmission unit, and whose end is embedded in the second explosive charge 32.
- one or each pyrotechnic transmission unit can be separated from the corresponding explosive charge by a layer of inert material, in particular an inert material forming part of the non-detonating charge traversed by the transmission unit.
- the thickness of the layer of non-detonating material is sufficiently fine so that the detonation initiated by the firing device can propagate by influence from the pyrotechnic transmission unit to the corresponding explosive charge.
- the thickness of the layer of inert material does not exceed 30mm.
- the end of the pyrotechnic transmission unit in particular a priming relay forming this end can be connected to the explosive charge simply by being pressed against the free surface of said explosive charge.
- the end of the pyrotechnic transmission unit in particular a priming relay forming this end, can still be glued to the explosive charge by a layer of adhesive disposed between the surface of the explosive charge and a surface of the terminal relay, in particular its end surface, the section of which is here the largest.
- FIG. 1 An example of a selector 50 that can be used in the ammunition 10 of the figure 1 is illustrated on the figure 2 .
- the selector 50 is here a rotary ring consisting of a first angular sector 52 formed of an explosive material (hereinafter detonating part), and a second angular sector 54 formed of a non-detonating material, in particular an inert material (hereinafter non-detonating portion), the first angular sector extending over an angle less than 180 °, in particular between 30 and 150 °, and even more preferably between 90 and 120 ° (see figure 2 for example).
- the selector is secured to a closure plate 17 forming part of the outer shell of the munition, including its rear end.
- the selector and the plate 17 are secured, in the example, by rods 55.
- the action of the gunsmith on the plate 17 causes the simultaneous pivoting of the selector 50 about the axis A-A ', and thus the position adjustment of its detonating part 52.
- the plate 17 is illustrated in more detail on the Figures 6A and 6B , on which it appears that it comprises two oblong and curved lights 70.
- each pin 72 is arranged to abut against an end of its oblong slot when the selector 50 is in a determined angular position corresponding to a power setting of the munition, and to abut against the opposite end of the light when the selector 50 is in a second position corresponding to a different power setting.
- the gunsmith can thus easily know the setting of the power of the ammunition.
- the detonating part 52 of the selector 50 constitutes a priming relay, which increases the surface of the detonation wave coming from the firing device 16, to guarantee its good subsequent transmission to the pyrotechnic transmission unit 61 , 62 to which it is coupled.
- the selector 50 is illustrated in a position in which the detonating part 52 is angularly offset relative to each of the primary and secondary pyrotechnic transmission units 61, 62. In this position, the firing device 16 is not pyrotechnically coupled to any of the explosive charges 31, 32. The ammunition 10 is, so to speak, deactivated.
- the figure 3B illustrates the selector 50 in a position in which the detonating portion 52 is located opposite the primary pyrotechnic transmission unit 61.
- the two transmission units 61, 62 are opposed radially with respect to the axis AA 'and the angular sector the detonating part 52 of the selector is too limited for said detonating part 52 to be also pyrotechnically connected to the secondary pyrotechnic transmission unit 62.
- the propagation of the detonation wave through the primary pyrotechnic transmission unit 61 does not result in the detonation of the second explosive charge 32, for the reasons already mentioned above.
- the first explosive charge being disposed at the front of the ammunition, the blast effect and the fragments resulting from the detonation are directed in a privileged way forward, that is to say towards the target, and the effects collateral to the rear of the ammunition are considerably reduced.
- the figure 3C illustrates the selector 50 in a position in which its detonating part 52 is located opposite the secondary pyrotechnic transmission unit 62.
- the detonation of the second explosive charge is transmitted to the first explosive charge 31 either by direct influence or through the primary pyrotechnic transmission unit 61.
- This case corresponds to the detonation of the second explosive charge. all of the explosive charge contained in the munition 10, and therefore to the maximum effect of said munition.
- the figure 4 illustrates a selector 50 'according to another embodiment, which differs from that of the figure 2 in that the angular sector 52 of the rotary ring formed of explosive material extends over a angle greater than 180 °, preferably between 210 and 330 °, more preferably between 240 and 270 °.
- the active portion 52 of the selector 50 is defined to initiate, in a certain angular position, the two pyrotechnic transmission units 61, 62 at the same time.
- the selector is illustrated in a position in which the active portion 52 is coupled only to the primary pyrotechnic transmission unit. This configuration is quite similar to that of the figure 3B . If the firing device 16 is actuated, the selector 50 'transmits the detonation only to the first explosive charge 31. The blast effect and the splinters resulting from the detonation of the first charge are directed in a privileged manner to the first explosive charge. before, and collateral effects to the rear of the ammunition are reduced.
- the Figure 5B illustrates the selector in a position in which its active portion simultaneously primes the two primary and secondary pyrotechnic transmission units.
- the entire explosive charge contained in the ammunition 10 is initiated simultaneously.
- the explosive power of the ammunition is at its maximum.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14713194T PL2962060T3 (pl) | 2013-02-28 | 2014-02-27 | Amunicja o modulowalnej sile wybuchu |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1300454A FR3002626B1 (fr) | 2013-02-28 | 2013-02-28 | Munition a puissance explosive modulable |
PCT/FR2014/050436 WO2014132004A1 (fr) | 2013-02-28 | 2014-02-27 | Munition a puissance explosive modulable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2962060A1 EP2962060A1 (fr) | 2016-01-06 |
EP2962060B1 true EP2962060B1 (fr) | 2018-04-18 |
Family
ID=48856685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14713194.0A Active EP2962060B1 (fr) | 2013-02-28 | 2014-02-27 | Munition a puissance explosive modulable |
Country Status (8)
Country | Link |
---|---|
US (1) | US9482504B2 (es) |
EP (1) | EP2962060B1 (es) |
ES (1) | ES2678197T3 (es) |
FR (1) | FR3002626B1 (es) |
IL (1) | IL240801B (es) |
PL (1) | PL2962060T3 (es) |
WO (1) | WO2014132004A1 (es) |
ZA (1) | ZA201506263B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2984483B1 (fr) * | 2011-12-14 | 2017-09-01 | Eurenco France | Munition, chargement pour une telle munition et procede de fabrication d'une telle munition |
NO2731949T3 (es) * | 2015-08-08 | 2018-09-01 | ||
US10088285B1 (en) * | 2016-12-15 | 2018-10-02 | The United States Of America As Represented By The Secretary Of The Navy | Cook-off mitigation systems using an uncanistered outgassing pad |
US10724836B1 (en) * | 2016-12-15 | 2020-07-28 | The United States Of America, As Represented By The Secretary Of The Navy | Cook-off mitigation systems |
FR3143730A1 (fr) | 2022-12-20 | 2024-06-21 | Eurenco | Assemblage de chargements explosifs à puissance explosive modulable. |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US3490372A (en) * | 1966-11-09 | 1970-01-20 | Arthur A Lavine | Projectile acceleration arrangement |
US4391195A (en) * | 1979-08-21 | 1983-07-05 | Shann Peter C | Detonation of explosive charges and equipment therefor |
GB8920954D0 (en) | 1989-09-15 | 1990-04-25 | Secr Defence | Flexible detonating cord |
US6283036B1 (en) * | 2000-03-20 | 2001-09-04 | The United States Of America As Represented By The Secretary Of The Navy | Variable output warhead |
EP1893935B1 (de) * | 2005-06-21 | 2008-11-05 | GEKE Technologie GmbH | Geschoss oder gefechtskopf |
FR2896577B1 (fr) * | 2006-01-24 | 2010-08-20 | Giat Ind Sa | Dispositif d'amorcage pour charge multi modes |
SE0802193L (sv) * | 2008-10-14 | 2009-10-13 | Bae Systems Bofors Ab | Verkansanordning för olika verkanseffekter och förfarande därför |
GB2479966B (en) | 2010-04-27 | 2013-05-08 | Qinetiq Ltd | Controllable output warhead |
US8931415B2 (en) * | 2010-07-29 | 2015-01-13 | Alliant Techsystems Inc. | Initiation systems for explosive devices, scalable output explosive devices including initiation systems, and related methods |
IL219010A (en) * | 2012-04-03 | 2016-11-30 | Amon Jacob | Warhead |
US9395128B2 (en) * | 2012-08-29 | 2016-07-19 | Corvid Technologies, Inc. | Projectile launching devices and methods and apparatus using same |
-
2013
- 2013-02-28 FR FR1300454A patent/FR3002626B1/fr not_active Expired - Fee Related
-
2014
- 2014-02-27 EP EP14713194.0A patent/EP2962060B1/fr active Active
- 2014-02-27 US US14/769,731 patent/US9482504B2/en active Active
- 2014-02-27 ES ES14713194.0T patent/ES2678197T3/es active Active
- 2014-02-27 WO PCT/FR2014/050436 patent/WO2014132004A1/fr active Application Filing
- 2014-02-27 PL PL14713194T patent/PL2962060T3/pl unknown
-
2015
- 2015-08-24 IL IL240801A patent/IL240801B/en active IP Right Grant
- 2015-08-27 ZA ZA2015/06263A patent/ZA201506263B/en unknown
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
EP2962060A1 (fr) | 2016-01-06 |
PL2962060T3 (pl) | 2018-09-28 |
FR3002626B1 (fr) | 2015-06-05 |
FR3002626A1 (fr) | 2014-08-29 |
US9482504B2 (en) | 2016-11-01 |
IL240801A0 (en) | 2015-10-29 |
IL240801B (en) | 2020-09-30 |
ES2678197T3 (es) | 2018-08-09 |
WO2014132004A1 (fr) | 2014-09-04 |
ZA201506263B (en) | 2016-08-31 |
US20160003592A1 (en) | 2016-01-07 |
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