27results about "Impact fuzes" patented technology

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a universal releasing and pulling dual-purpose trigger fuse device, which comprises a fuse body, a connecting lug is arranged on the outer wall of the fuse body, a trip wire structure is arranged at the top of the fuse body, the trip wire structure comprises a trip wire seat, a wire winding shaft is arranged in the trip wire seat, and the wire winding shaft is connected with the connecting lug. And a trip wire is wound on the wire winding shaft. By designing the trip wire structure and screwing the nut in advance, the tightness of the trip wire is adjusted, the upper safety pin has a free pulling space, then the trip wire is fixed on the trip wire pile, the protruding part of the fire pulling rod is inserted into the split fork head at the tail part of the firing pin, the split fork head is opened and clamped in the bundle hole in the fuse body, and the firing pin spring is in a compressed state, so that the trip wire is fixed on the trip wire pile. When the upper safety pin and the lower safety pin are pulled out, the fuse body can rapidly trigger an internal mechanism when a trip wire is pulled, and a mechanical device in the fuse body is activated, so that an explosion reaction is initiated.

The invention relates to an explosion-proof type aviation training bomb ignition device, and belongs to the technical field of aviation training bomb manufacturing. The invention discloses an explosion-proof aviation training bomb ignition device. The ignition device comprises a firing pin and a smoke light pipe, the device further comprises a safety cover, an explosion-proof plug and a cotter pin. The ignition device is simple in structural design, safe and reliable, can detonate and smoke after being started, generates a certain bombing effect, achieves the technical effects of effectively confirming the position of a falling point so as to determine the accuracy of the striking effect and the combat ability, and can fill the blank of the bombing effect during training of the aviation training bomb.

According to the present disclosure there is provided a fuze system for a munition, the fuze system comprising an impact sensor arrangement arranged to sense a component of acceleration in an axis away from a munition travel direction in which the munition is configured to travel, the impact sensor arrangement configured to provide a first output based on the sensing of the component of acceleration in the axis away from the munition travel direction.

A percussion fuse (10) for a shell has a fuse body (12), a detonator system with a priming charge (16) in the bottom section (12c) of the fuse body (12), and a firing pin (24) in the head section (12a) of the fuse body (12). The firing pin (24) has a pin rod (26), with a piercing tip (27), and a pin head (25), wherein the firing pin (24) can be moved in the direction of the detonator system (16) in the case of the percussion fuse (20) striking a target, in order that the piercing tip (27) of the firing pin (24) pierces the priming charge in the detonator system (16). In order to improve impact sensing, in particular even in the case of striking a target at a shallow angle, the percussion fuse (10) additionally has a pressure element which is arranged loosely between the head end (12b) of the fuse body (12) and the pin head (25) of the firing pin (24), and is configured and arranged in the head section (12a) of the fuse body (12) in such a way that it can tilt relative to the fuse body (12) and relative to the pin head (25) of the firing pin (24), with the result that, in the case of a deformation of the head section (12a) of the fuse body (12) during striking of a target, it presses in a straight line on the pin head (25) of the firing pin, without tilting the pin head relative to the longitudinal axis (18) of the fuse body (12).

The present invention relates to a fire-fighting device, which comprises: - a casing (2) which delimits an internal cavity (3) in which is placed at least one dispersible extinguishing agent (4), and - pyrotechnic means (5) adapted to generate an explosion causing a rupture of said casing (2) and a dispersion of said extinguishing agent (4), which pyrotechnic means (5) comprise: - at least one explosive charge (6), generating said explosion, and - detonating means (7) intended to trigger said explosion of said at least one explosive charge (6), And said detonating means (7) comprise: - an ignition device (8) designed to trigger, in an active state, said explosion of said at least one explosive charge (6), and - a shock sensor (9) designed to detect a mechanical shock received by said device (1) and to bring said ignition device (8) into said active state upon detection of said mechanical shock.

The present invention relates to a fire-fighting device, which comprises: - a casing (2) which delimits an internal cavity (3) in which is placed at least one dispersible extinguishing agent (4), and - pyrotechnic means (5) adapted to generate an explosion causing a rupture of said casing (2) and a dispersion of said extinguishing agent (4), which pyrotechnic means (5) comprise: - at least one explosive charge (6), generating said explosion, and - detonating means (7) intended to trigger said explosion of said at least one explosive charge (6), And said detonating means (7) comprise: - an ignition device (8) designed to trigger, in an active state, said explosion of said at least one explosive charge (6), and - a shock sensor (9) designed to detect a mechanical shock received by said device (1) and to bring said ignition device (8) into said active state upon detection of said mechanical shock.

The invention relates to a fire-fighting device, comprising: a casing (2) delimiting an internal cavity (3) to which at least one diffusible extinguishing agent (4) is added; a pyrotechnic device (5) suitable for causing an explosion resulting in the rupture of the casing (2) and the diffusion of the extinguishing agent (4). The pyrotechnic device (5) comprises at least one explosive charge (6) for producing the explosion and an ignition mechanism (7) intended to trigger the explosion of the at least one explosive charge (6). The ignition mechanism (7) comprises: an ignition device (8) designed to trigger the explosion of the at least one explosive charge (6) in an activated state; an impact sensor (9) designed to detect a mechanical impact received by the device (1) and to cause the ignition device (8) to enter the activated state when the mechanical impact is detected.

A multi-pulse propulsion system (10) includes at least one pulse chamber (20) containing at least one propellant (22) for igniting during at least one pulse of the multi-pulse propulsion system, at least one additional pulse chamber (24) containing at least one additional propellant (26) for igniting during at least one additional pulse of the multi-pulse propulsion system, and at least one passive fuzing system (34) configured to initiate the at least one additional pulse. The at least one passive fuzing system includes a sensor (36) and an igniter (38). The sensor is configured to sense an environmental condition and / or a ballistic condition. The igniter is configured to provide a stimulus that causes ignition of the at least one additional propellant in response to the sensor sensing that the environmental condition and / or the ballistic condition has reached or exceeded one or more threshold values.

The present invention discloses a safe, medium-caliber explosive cartridge with a warhead mechanically triggered fuze. The cartridge consists of an explosive cartridge and a warhead mechanically triggered fuze disposed within the cartridge. The cartridge is divided into a head ignition module, a middle safety control and initiation module, and a tail explosive charge module. The head ignition module comprises the upper portion of the warhead case, the upper portion of the fuze body, paraffin wax, and a needle percussion cap. The fuze body is the primary structural component, housing the safety control and initiation module and connecting the head ignition module and the tail explosive charge module. The safety control and initiation module comprises the middle portion of the warhead case, the lower portion of the fuze body, an isolation ball, an open ring, a ball seat, a first reinforcement cap, a booster tube case, a booster charge, a recoil safety ring, and a flame detonator. The tail explosive charge module comprises the lower portion of the warhead case, a second reinforcement cap, an explosive charge, the projectile body, and a lead sleeve. The fuze utilizes a ball rotor mechanism for both explosion-proofing and delayed release, and redundant safety mechanisms are provided by an open ring centrifugal safety mechanism and a safety ring recoil safety mechanism.

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a pressing and pulling simulation dual-purpose fuze device which comprises a fuze body, a connecting pipe is installed at the bottom of the fuze body, an igniter cavity is formed between the connecting pipe and the bottom of the fuze body, and an igniter is arranged at the bottom of the connecting pipe. The top of the igniter is communicated with the interior of the igniter cap cavity; the fuse body is provided with an inner cavity, and a firing pin is further arranged in the inner cavity. When the pressure head is subjected to external force, the piston rod slides along the pressure groove, and the inclined surface on the pressure head and the inclined surface on the fire pulling ring bolt move relatively, so that the firing pin is out of control, and the reliability of the ignition process is further enhanced. By means of the design, the device can still keep efficient performance under various environments such as atrocious weather and extreme temperature conditions. And meanwhile, by optimizing the matching precision of the piston rod and the pressing groove, the stability and durability of the whole structure are further improved.

The invention relates to an unmanned aerial vehicle comprising a modulated payload adapter, and to associated payloads and devices therefor, the payloads being in particular kinetic munitions, such as, e.g., fragmentation warheads. The unmanned aerial vehicle can in particular be a so-called First-Person View drone (FPV drone), preferably or alternatively in the form of a quadcopter.

A fuse system 100 for a munition 200 comprising an impact sensor arrangement 110 configured to sense a component of acceleration in an axis away from the axis that the munition is configured to travel, the sensor arrangement is configured to provide a first output based on the component of the axis away from the munitions direction of travel 134. The fuse system may be configured to trigger an explosive charge. The output from the impact sensor may have to be greater than a threshold value to trigger the explosive charge. The impact sensor may sense a component of acceleration in the munitions direction of travel 300 and produce a second output that if greater than a second threshold value will trigger the explosive charge. The sensor arrangement may consist of two orthogonally positioned sensors (112a, 112b Fig 3) each configured to produce an output away from the munition’s direction of travel. The sensors may be any one of or combination of accelerometer, piezoelectric sensor, magnetostrictive sensor, electromagnetic sensor, electromechanical switch, strain gauge or optical interference sensor

The invention discloses a design method of an omnidirectional inertia switch and the omnidirectional inertia switch. The method comprises the following steps: determining a switch application environment parameter in response to an attack task demand, and setting a target performance index of the omnidirectional inertia switch based on the application environment parameter; determining an influence factor of the omnidirectional inertia switch based on the target performance index, and designing the omnidirectional inertia switch based on the influence factor; wherein the influence factors comprise at least one of the following factors: a threshold influence factor and a response time influence factor; and contact effect influence factors. The technical problems that an existing omnidirectional inertia switch is low in high overload resistance, microsecond-level response and three-dimensional space damage perception are solved.

An apparatus for disabling of motor vessels moving in a waterbody. An energetic (i.e. explosive), as part of a floating assembly, is brought into contact with a motorized marine vessel's propulsion unit(s) and / or steering system, referred to generally as the underwater drive unit, due to the vessel's own motion relative to a floating line. The energetic then detonates and disables the underwater drive unit, thereby halting progress of the vessel while not harming any occupants thereof.

The utility model discloses a connecting structure of an impact fuse and an unmanned aerial vehicle and the unmanned aerial vehicle with the connecting structure, and relates to the technical field of unmanned aerial vehicle military. The device comprises a fixed plate and an extension arm vertically fixed on the fixed plate, the tail end of the extension arm far away from the fixed plate is provided with a fixing structure used for installing an impact fuse, and the extension arm can extend in the length direction so that the position of the fixing structure at the tail end of the extension arm can be adjusted in the length direction of the extension arm. According to the utility model, the fixed plate and the extension arm are both plastic products, so that the product cost can be reduced, and meanwhile, the designed sleeve arm cylinder can move along the inner arm rod to realize the extension function, so that the product can be matched with civil unmanned aerial vehicles with different wingspans, and the function of high applicability is achieved.

An inertial igniter including: a base having a first projection; a striker mass rotatably connected to the base, the base having a second projection aligned with the first projection such that the first and second projections impact when rotated; a member having a first portion engaging with a second portion of the striker mass to restrict rotation of the striker mass unless the predetermined acceleration is experienced; a mass movable from a first position where an acceleration is less than the predetermined acceleration and a second position where the acceleration is greater than the predetermined acceleration, the second position permitting the first and second portions to come out of engagement; a spring biasing the movable mass in the first position; and a shear member permitting impact of the first and second projections when the predetermined acceleration is experienced and the movable mass moves to the second position.

The invention relates to a sensor system for installation in a fuse for a projectile, comprising at least one antenna element, wherein the antenna elements are arranged on a surface that is arranged at an angle α of between 85° and 95° relative to the centre line C-C of the fuse. The invention further relates to a fuse and a projectile equipped with a fuse.

The application discloses a high-reliability mechanical trigger fuse of a grenade launcher self-destruction warhead, which comprises a main structure framework of a body, an upper body, a ball seat and a pressure screw, and a series of mechanisms, including a percussion and large angle of incidence trigger mechanism, a centrifugal safety mechanism, a ground-touching explosion trigger mechanism, a ball rotor explosion-proof and delay explosion-proof release mechanism, an inertial trigger mechanism, a recoil safety and inertial trigger and centrifugal self-destruction mechanism, and a transmission explosion sequence. The generalized centrifugal safety mechanism of the explosion-proof mechanism is composed of the percussion and large angle of incidence trigger mechanism, the centrifugal safety mechanism and the ground-touching explosion trigger mechanism, the recoil safety mechanism of the explosion-proof mechanism is composed of the recoil safety and inertial trigger and centrifugal self-destruction mechanism, and the fuse redundancy safety is realized. The fuse has the functions of self-destruction, absolute fire and redundancy ignition (percussion, large angle of incidence, ground-touching explosion and three-way inertial ignition), the structure is designed in a fusion mode, the fuse space is fully utilized, the action reliability is high, and the explosion material is safe to handle after misfire.

This invention describes embodiments of door breaching grenades (100,100a,100b,100c,100d). Each grenade comprises a projectile (101,101a,101b,101c,101d) coupled to a propulsion cartridge (105); each projectile comprises a shell (110), a body member (140) and an ogive (180). A safe-and-arm mechanism (150) is located in the body member. A seat member (160) and a plunger (166) are assembled on a forward face of the body member so that a leading end of the plunger is in contact with an inside tip surface of the ogive, or a hollow guide member (184) is integrally formed with an inside tip surface of the ogive. In the armed state, upon impacting on a door / barricade (5), the plunger or hollow guide / sleeve impinges on a detonator pin (164), which then sets off a chain of explosive charges (152, 120, 122) whilst the projectile is still outside the door / barricade. The grenade is made substantially of polymer parts.

Torpedo (1), wherein an explosive warhead (6) comprises three explosive components: a detonator (10) which receives an activation command; a booster explosive (11) which is detonated by the detonator (10); and a main explosive (12) which explodes following the explosion of the booster (11). When an impact with an obstacle is detected following the torpedo's entry into water and such an impact is detected at an instant is less than a limit value Tlim (T < Tlim), an inhibition circuit (27) is activated, which brings the torpedo into a safety state in which the explosive warhead is prevented from exploding.

The present invention relates to a fire extinguishing device comprising: a casing (2) delimiting an internal cavity (3) in which at least one dispersible fire extinguishing agent (4) is deposited; chemical means (5) suitable for producing an explosion that ruptures the casing (2) and disperses the fire extinguishing agent (4), the chemical means (5) comprising: at least one charge (6) that produces the explosion; and detonation means (7) intended to cause the explosion of the at least one charge (6), said detonation means (7) comprising: an ignition device (8) designed to cause the explosion of the at least one charge (6) when in an activated state; and an impact sensor (9) designed to detect a mechanical impact suffered by the device (1) and to activate the ignition device (8) upon detection of the mechanical impact.

An apparatus for disabling of motor vessels moving in a waterbody. An energetic (i.e. explosive), as part of a floating assembly, is brought into contact with a motorized marine vessel's propulsion unit(s) and / or steering system, referred to generally as the underwater drive unit, due to the vessel's own motion relative to a floating line. The energetic then detonates and disables the underwater drive unit, thereby halting progress of the vessel while not harming any occupants thereof.

According to the present disclosure there is provided a fuze system for a munition, the fuze system comprising an impact sensor arrangement arranged to sense a component of acceleration in an axis away from a munition travel direction in which the munition is configured to travel, the impact sensor arrangement configured to provide a first output based on the sensing of the component of acceleration in the axis away from the munition travel direction.

A projectile for short firing ranges includes as a cylinder with a nose having a substantially flat surface arranged with a threaded socket allowing for the arrangement of, for example, a fuze a rear section designed with a substantially flat surface, as well as a projectile body arranged with energetic material enclosed by a casing.