16results about "Mechanical fuzes" patented technology

The technology subject of the present application generally concerns an aerial munition unit comprising a proximity fuze functionality and an impact fuze functionality, selectable by a crew member of an aircraft bearing the munition, after the aircraft has taken off and prior to munition release, to render active or operable the proximity fuze functionality or the impact fuze functionality.

The invention discloses a proximity fuze satellite navigation integrated device and a bullet, relates to the field of weapon equipment, and is used for improving the integration level of a proximity fuze and a satellite navigation module. A shell of the bullet comprises a shell body and a cover body, the cover body is connected to the front end of the shell body to form a cone-shaped structure, and the device is arranged in the shell body. The device comprises a device body, a millimeter wave detection module and a satellite navigation module are arranged on the device body, the millimeter wave detection module is composed of three groups of millimeter wave detectors and MPUs which form 120-degree included angles, millimeter wave radar chips and transceiving antennas of the millimeter wave detectors are packaged by AIP, and the satellite navigation module is connected with a navigation antenna. The navigation antenna is composed of three groups of single antennas which form an included angle of 120 degrees. According to the invention, the integration level of detection and navigation equipment is improved, the navigation signal receiving gain is improved, and meanwhile, the mutual interference between detection and navigation signals is reduced.

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 application discloses a high-safety delay grenade fuze, mainly composed of a fuze body, a sliding block seat, a pressing screw, a delay tube, a firing mechanism, a safety and release isolation mechanism, a transmission explosion sequence and an observation window. The firing mechanism is a plate hammer type structure driven by a torsion spring, located at the upper part of the fuze; the safety and release isolation mechanism mainly comprises an explosion isolation mechanism, a redundant safety mechanism and a delay release explosion isolation mechanism, arranged in the inner cavity of the fuze; the observation window is arranged on the outer contour of the middle part of the fuze body, used for observing the position of the explosion isolation member. The explosion isolation mechanism is a spring-driven sliding block mechanism; the redundant safety mechanism indirectly or directly implements safety on the sliding block through two safety pins and a handle piece and a safety lever, and the safety is released through different manual actions; the delay release explosion isolation mechanism is realized by the delay tube and the memory alloy safety spring. The fuze meets the relevant requirements of GJB 3194-1998 'Safety Design Guidelines for Manually Laid Weapons', and has the advantages of compact structure and low cost.

The technology subject of the present application generally concerns an aerial munition unit comprising a proximity fuze functionality and an impact fuze functionality, selectable by a crew member of an aircraft bearing the munition, after the aircraft has taken off and prior to munition release, to render active or operable the proximity fuze functionality or the impact fuze functionality.

The technology subject of the present application generally concerns an aerial munition unit comprising a proximity fuze functionality and an impact fuze functionality, selectable by a crew member of an aircraft bearing the munition, after the aircraft has taken off and prior to munition release, to render active or operable the proximity fuze functionality or the impact fuze functionality.

The utility model discloses a lead device for fireworks and crackers, which comprises a first lead and a second lead, the first lead comprises a lead, a connecting seat, a protective cover and a first elastic piece, the second lead comprises a lead, a connector, a protective cover and a second elastic piece, and the connector and the connecting seat are respectively arranged at one end of the first lead and one end of the second lead. The connector is matched with the connecting seat, one end of the first elastic piece and one end of the second elastic piece are respectively connected with the first lead and the second lead, and the other end of the first elastic piece and the other end of the second elastic piece are respectively connected with the connecting seat of the first lead. By arranging the first lead and the second lead, quick connection and separation of the first lead and the second lead are achieved through elastic potential energy of the first elastic piece and the second elastic piece, so that smooth ignition of fireworks is achieved, and the setting-off safety of the fireworks is improved.

Pyrotechnic device (1), in particular smoke cartridge, with - at least one receiving unit (3) in which a pyrotechnic agent (42) is received, and - at least one ignition system (32) with at least one first ignition system (5) for igniting the pyrotechnic agent (42), characterized in that the ignition system (32) has at least one second ignition system (7) independent of the first ignition system (5), which is also designed for igniting pyrotechnic agent (42).

The present invention relates to an electronic time warhead (EOT) fuze for hand grenade comprising a body housing a clamp with two terminals maintaining a spring and a handle in the armed position. The handle holds the spring in the armed position while the user wields the grenade. The spring is housed in a spring pin and this initializes the EOT. When throwing the grenade, the spring seeks a resting position, expelling the handle and activating a switch that energizes an electronic circuit. A battery is electrically connected to the electronic circuit. In addition, an initiator element is mounted on the body and the initiator element consists of a conductive filament impregnated with a chemical mixture generating a flame from the electrical signal applied by the electronic circuit. The initiating element can be an electrical or electronic component. The electronic circuit is responsible for accounting for a delay time until the grenade's initiating flame is effectively activated. In other words, the electronic circuit is a microprocessor circuit that applies an electrical signal to the conductive filament at the end of the delay time, activating the grenade.

The present invention discloses a sensor module shaft parallel adjustment device and adjustment method. The device includes an adjustment base, a magnetic fuze sensor mounting plate, a mounting plate fastening screw, a mounting plate left-hand adjustment screw, and a mounting plate right-hand adjustment screw. The adjustment base has a circular opening on its upper surface, and each of the remaining surfaces has a square opening at its center. The adjustment base has a cavity matching the opening inside. The magnetic fuze sensor mounting plate is mounted on the upper surface of the adjustment base via the mounting plate fastening screw. Mounting plate rotation adjustment screws are provided above and below the outer sides of the opening on the upper surface of the adjustment base. The left-hand adjustment screw on the upper mounting plate can rotate the magnetic fuze sensor mounting plate to the left, while the right-hand adjustment screw on the lower mounting plate can rotate the magnetic fuze sensor mounting plate to the right. The present invention improves the parallel accuracy of the shaft system, reducing the 2° to 5° parallelism error that exists in mechanical installation in the prior art to within 0.2°.

An electronic time warhead (EOT) fuze for a hand grenade comprises a body housing a clamp with two terminals maintaining a spring and a handle in the armed position. The handle holds the spring in the armed position while the user wields the grenade. The spring is housed in a spring pin and this initializes the EOT. When throwing the grenade, the spring seeks a resting position, expelling the handle and activating a switch that energizes an electronic circuit. A battery is electrically connected to the electronic circuit. In addition, an initiator element is mounted on the body and the initiator element consists of a conductive filament impregnated with a chemical mixture generating a flame from the electrical signal applied by the electronic circuit. The initiating element can be an electrical or electronic component. The electronic circuit accounts for a delay time until the grenade's initiating flame is effectively activated. In some embodiments, the electronic circuit is a microprocessor circuit that applies the electrical signal to the conductive filament at the end of the delay time, activating the grenade.

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.

A hand-throwable effect-producing body with a manually graspable housing body, a manually operable triggering device having a spring-loaded impact body, an ignition device initiatable by the triggering device and comprises an ignition charge, a delay device is initiatable by the ignition device and comprises a delay charge and a delay line, and a main charge configured to be initiated directly or indirectly by the delay charge. The impact body is configured to be manually moved along the longitudinal axis thereof counter to a spring force into a preloaded position and to be releasably arrested there and to be released by manually operating a triggering element of the triggering device, such that it can shoot out of its preloaded position along the longitudinal axis against an axial stop and thereby initiate the ignition charge.

The present invention discloses a safe, time-controlled, gunpowder-loaded fuze for smoke canisters and hand grenades. The fuze comprises a main body, a firing mechanism and its safety mechanism, a safety and release explosion-proof mechanism, a time-setting mechanism, and a firing tube. The firing mechanism's safety mechanism and time-setting mechanism each rely on separate manual actions to release the safety and constitute a redundant fuse. The horizontal rotor in the safety and release explosion-proof mechanism and the vertical rotor in the time-setting mechanism together constitute the fuze's explosion-proof system. The time-setting mechanism can be manually switched between short-delay and long-delay settings. The fuze of the present invention has a simple structure, fully utilizes the fuze space, and possesses explosion-proof, redundant safety, delayed-release explosion-proof, and fire-proof properties, ensuring the safety of fuze handling, use, and explosives disposal.