| NEXTER Munitions Patent applications |
| Patent application number | Title | Published |
|---|
| 20120067241 | SAFETY AND ARMING DEVICE FOR A SPIN-STABILISED EXPLOSIVE PROJECTILE AND A PRIMING DEVICE IMPLEMENTING SUCH A SAFETY AND ARMING DEVICE - A safety and arming device for a spin-stabilized explosive projectile, said device incorporating a screen obstructing a transmission channel linking a detonator and a pyrotechnic relay, said screen comprising two half-screens able to move with respect to one another and transversally with respect to said channel, said two half-screens obstructing said channel when contacting one another, wherein said two half-screens are able to slide in a bore hole carried by a rotor coaxial to said projectile, said rotor is able to pivot on the axis of said projectile and carries said channel, said two half-screens locked into the position obstructing said channel by at least two locks, a first lock or inertial lock which retracts when said projectile is fired and a second lock or centrifugal lock formed by a spiral spring surrounding an external cylindrical surface of said rotor and applied against the ends of said half-screens. | 03-22-2012 |
| 20120011991 | Programming process for the fuse of a projectile and programming device enabling the implementation of such process - The invention relates to a programming process and device for a fuse of a projectile using a programming coil transmitting by induction a programming signal to reception means integral with the fuse. This process is characterized in that the programming signal is transmitted from at least one second programming coil that is separate from the first one, each coil being linked individually to electronic control means and the two coils being arranged so as to be able to lie in proximity to the fuse of the projectile when the latter passes in the feed means of the weapon, the coils being arranged such that the projectile fuse passes successively in front of each coil, particularly adapted to the programming of medium caliber projectiles. | 01-19-2012 |
| 20120000389 | SAFETY AND ARMING DEVICE FOR PROJECTILES INERTIAL LOCK WITH MEMS TECHNOLOGY - The invention relates to a safety and arming device for projectiles and using micro-electromagnetic technology, such device incorporating a slider made mobile by the effect of the centrifugal acceleration with respect to the body of the device and immobilized in a safety position by at least one inertial lock, such lock incorporating at least one means to ensure its blocking in the unlocked position, wherein the inertial lock incorporates a counterweight having at least one straight groove whose longitudinal axis is parallel to the direction of movement of the lock, groove in which a fixed guiding pin integral with the safety and arming device is positioned, since the groove is of sufficient length to allow the displacement of the counterweight with respect to the pin, the slider in its safety position being made integral with the body of the safety and arming device by means of hooking means integral with the counterweight. | 01-05-2012 |
| 20120000388 | SAFETY AND ARMING DEVICE FOR A PROJECTILE AND USING MICRO ELECTRO-MECHANICAL TECHNOLOGY - The invention consists of a safety and arming device for a projectile and using micro electro-mechanical technology that incorporates at least three layers of substrate: a bottom, a top and at least one intermediate layer incorporating at least one mobile part with respect to the different layers of substrate wherein the bottom and top incorporate raised patterns, the raised patterns being evenly spaced over the bottom and the top such that the mobile part is always, when in movement, held immobile between the raised patterns of the bottom and those of the top, the raised patterns of the bottom being in contact with a lower face of the mobile part and the raised patterns of the top being in contact with an upper face of the mobile part. | 01-05-2012 |
| 20110259226 | PRIMING DEVICE INITIATED ELECTRICALLY FOR A PROJECTILE - A priming device for a projectile incorporating a safety and arming device as well as an electrically initiated detonator that is activated by an electronic firing module, wherein the priming device incorporates a second detonator integral with a rotor or flap of the safety and arming device, the second detonator being activated by a mobile firing pin, such firing pin being arranged opposite a first detonator so as to be projected by the gases resulting from the ignition of the latter. | 10-27-2011 |
| 20110180655 | DEVICE FOR SIMULTANEOUS DEPLOYMENT OF THE CONTROL SURFACES OF A PROJECTILE - A simultaneous deployment device for the control surfaces of a projectile for which each control surface is intended to be pivoted by a motor after its deployment to ensure the piloting, each control surface being held within the projectile and deployed towards the exterior of the projectile by the expansion of elastic means, each control surface being deployed by a rotation with respect to a control surface support and following a deployment axis that is crosswise to that of the projectile, wherein the elastic means are common means to ensure the deployment of all the control surfaces, the expansion of the elastic means generating a push stress directed along the axis of the projectile and being exerted on a push plate which transmits the push stress to as many slides as there are control surfaces to be deployed, each slide cooperating without slipping with a matching profile integral with a base of the control surface to make this pivot with respect to its support and first releasable locking means that maintain the elastic means in the compressed position. | 07-28-2011 |
| 20110146525 | LAUNCHING DEVICES ENABLING SUB-CALIBER ARTILLERY PROJECTILES - The invention relates to a launching device for a sub-caliber artillery projectile employing a base with sliding band, the base being linked to sabot sectors by means of hinges that can be detached during flight, the opening of the sabot being activated thanks to the dynamic air pressure on the flared shapes to the fore of the sectors, said hinge is flanged radially so as to prevent its becoming separated from the sabot sectors 5 outside of the flight phase. | 06-23-2011 |
| 20110132183 | ARMORING ELEMENTS FOR A STRUCTURE, SUCH AS A MILITARY VEHICLE - An armoring element for a structure, such as a vehicle, and comprising a case integral with said structure and enclosing at least two passive or reactive armoring modules, separated by a layer of shock-absorbing material, said case containing two fixed lateral walls parallel to one another and integral with a back wall intended to be positioned on said structure, wherein said armoring modules are mounted sliding on slides integral with the lateral walls of said case, and wherein they may thus be individually introduced or removed from said case via a front opening positioned opposite said back wall and delimited by said lateral walls, stop means ensuring the retention of each of said armoring modules with respect to said lateral walls when it is put into place on said lateral walls. | 06-09-2011 |
| 20110114783 | PROJECTILE BODY EQUIPPED WITH DEPLOYABLE CONTROL SURFACES - A projectile body intended to evolve in a fluid, such body equipped with at least two radially deployable control surfaces, such control surfaces being accommodated prior to their deployment in housings made in the body, body in which the housings communicate at their intersection point, each housing being blocked by sealing means preventing any fluid from the exterior of the projectile body from passing through the housings when the control surfaces are deployed. | 05-19-2011 |
| 20110011297 | Sub-calibre projectile of the fin-stabilised type incorporating a sabot and a penetrator - A sub-caliber projectile of the fin-stabilized type incorporating a sabot and a penetrator linked together by shape matching linking means, said linking means incorporating a first profile machined at a bore of said sabot and cooperating with a second profile on said penetrator, each of said first and second profiles having a shape according to a section in an axial plane that alternates teeth and grooves, the axial play between one of said teeth of said penetrator and one of said grooves forming the housing of said one of said teeth in said sabot being variable along the axis of said projectile, wherein said linking means incorporate a front part (F) and a rear part (R) in which the play, at a mean temperature, between said penetrator teeth and the housings of said teeth in said sabot is variable, the play, firstly, increasing between said median zone (M) of said sabot and a front end of said sabot and, secondly, increasing between said median zone (M) of said sabot and a rear end of said sabot. | 01-20-2011 |
| 20100258021 | Ammunition firing device incorporating a firing pin - An ammunition firing device incorporating a firing pin intended to impact a pyrotechnic composition to activate its ignition, wherein said firing pin incorporates a rod that slides when said ammunition is fired through the effect of the firing acceleration from a starting position to a deployed position, able to be locked in said deployed position, said rod being integral with a percussion tip occupying a fixed position in contact with said pyrotechnic composition, said rod being located fully inside said tip in said starting position and protruding from said tip in its deployed position, said device further incorporating a hammer to strike said rod during the impact of said ammunition on a target to cause the ignition of said composition. | 10-14-2010 |
| 20100162587 | Hot gas generator and drying or dehydration facility implementing such a generator - The subject of the invention is a hot gas generator ( | 07-01-2010 |
| 20100147141 | Programming process for the fuse of a projectile and programming device enabling the implementation of such process - The invention relates to a programming process and device for a fuse of a projectile using a programming coil transmitting by induction a programming signal to reception means integral with the fuse. This process is characterized in that the programming signal is transmitted from at least one second programming coil that is separate from the first one, each coil being linked individually to electronic control means and the two coils being arranged so as to be able to lie in proximity to the fuse of the projectile when the latter passes in the feed means of the weapon, the coils being arranged such that the projectile fuse passes successively in front of each coil, particularly adapted to the programming of medium caliber projectiles. | 06-17-2010 |
| 20100071578 | Large calibre ammunition loaded via rear - A Large caliber ammunition constituted by a projectile attached to a combustible skirt and closed by a base, a linking dome being provided between the skirt and the base, wherein the linking dome incorporates a first lateral wall cooperating with the skirt and a second lateral wall extending the first one and cooperating with the base, and wherein said dome comprises means to ensure its joining with the skirt, such means being able to be bent back by the base onto the lateral wall of the combustible skirt. | 03-25-2010 |
| 20100043251 | HEAT TREATMENT PROCESS FOR A MATERIAL AND HEAT TREATMENT UNIT IMPLEMENTING SUCH PROCESS - The invention relates to a heat treatment process for a material in an oven ( | 02-25-2010 |
| 20100024675 | Deconfinement device for the casing of a piece of an ammunition - A deconfinement device for the casing of a piece of ammunition enclosing an explosive load able to be ignited by a priming fuse, said device comprising a connecting ring linked to the casing and enabling the priming fuse to be joined to said casing, wherein said device incorporates a structure to ensure a weakened and shearable link between said fuse and said connecting ring, said link being sheared further to an increase in the pressure inside said casing, said connecting ring incorporating a base forming a plate that can be projected onto said explosive load during the ignition of said fuse, said base being able to be fractured by the presence of pressure inside said body of said projectile. | 02-04-2010 |
| 20090205526 | Micro-machined or micro-engraved safety and arming device - A micro-machined or micro-engraved safety and arming device for a pyrotechnic train of a projectile to which axial spin is imparted after firing, such device comprising a substrate onto which a shutter to break the pyrotechnic train is positioned, such shutter being mobile in translation on the substrate, device in which the train-breaking shutter is held immobile by at least two locks, a first lock, or axial acceleration lock, which is released further to the application of the acceleration communicated to the projectile during firing, and a second lock, device wherein the second lock is a centrifugal lock that is released further to the projectile being made to spin. | 08-20-2009 |
| 20090114762 | Remote control device for a target designator from an attack module, attack module and designator implementing such device - The invention relates to a remote control device from an attack module flying over a target, module of the projectile or sub-projectile, missile or attack drone type, for a target designator positioned on a terrain of operations, comprising means to emit a remote control signal that are arranged in the attack module and at least one receiver means for the remote control signal that are integral with the designator and are associated with means to activate the start-up of the designator, wherein the emitter means incorporate at least one light source oriented so as to illuminate the terrain and in that the receiver means incorporate a detector for the radiation emitted by the light source or sources. | 05-07-2009 |
| 20090001215 | Process to control the initiation of an attack module and initiation control device implementing said process - The invention relates to a process to control the initiation of an attack module ( | 01-01-2009 |
