摘要:
A blank cartridge device (1) comprises a plastics body (2) defining several cylindrical chambers (3). Each chamber (3) receives a propellant charge (4) and has an input end (6) at least partly open initially and receiving an ignition means (5) to seal the input end, and an output end (8) open initially, and sealed by an output strip (7). The ignition means (5) may be a centre fire primer cap (18) or an electrode (30). The body (2) may also have lugs (10) to co-operate with an indexing mechanism of a device using the cartridges to move the chambers (3) sequentially into a firing position. A method of making the devices is also disclosed.
摘要:
Described are systems and methods for actively countering certain forces experienced by, for example, a person within a vehicle. Adverse effects of blast waves of a mine or other explosive device (including improvised explosive devices [IEDs]) may be mitigated by the countermeasures systems, which may include any or all of a first responder unit (FRU), a control display assembly (CD A), processors, sensors, and an electronic safe and arm device (ESAD). Each component assembly may be incorporated into a line replaceable unit (LRU) if desired, although such incorporation is not necessary.
摘要:
A fireworks igniter system and method for safely igniting fuse-type fireworks including a handheld igniter module (1) and a remote control module (2). An igniter head at the proximal end of the igniter module (1) includes a heater element (24) and fuse clamp slide (10-12) which receives and biasingly molds the fuse (70) against the heater element (24). A microprocessor (64) in the igniter module (1) includes an infrared receiver (54) and an igniter module actuator (14,16). The remote control module (2) includes an infrared emitter (84) and a remote control module actuator (90), the infrared emitter (84) emitting a coded IR signal in response to activation of the actuator (90). The IR signal is sensed by the infrared receiver (54) to activate the igniter module actuator (14,16) and deliver electric current to the heater element (24) sufficient to ignite the fuse (70).
摘要:
L'invention concerne une cartouche de propulsion d'un projectile (22) de calibre d'au moins 90mm, et un dispositif de propulsion comportant une telle cartouche, la cartouche étant caractérisée en ce qu 'elle comprend : • une chambre arrière (1) comportant : - des moyens d'allumage d'une poudre propulsive, - un moyen pour confiner la poudre dans la chambre arrière (1) tout en laissant passer les gaz issus de la combustion de la poudre par des évents de la chambre arrière (1) ;
• une chambre intermédiaire (2), de volume constant, communiquant avec la chambre arrière (1) par les évents ; • une chambre basse pression (3) formant chambre de propulsion du projectile (22) et communiquant avec la chambre intermédiaire (2) par un orifice (13) de section prédéterminée.
摘要:
Cartouche pour propulsion d'un projectile de gros calibre (40) dans le fût d'un canon dont une partie de la charge propulsive (30) est contenue dans une cavité annulaire (114) entourant le projectile (40). La cartouche comprend un étui muni d'un système de mise à feu (24) comportant plusieurs mèches d'allumage combustibles et flexibles (32) qui passent de la charge propulsive (30) logée dans l'étui à la cavité annulaire (14) pour allumer simultanément la charge propulsive (30) et la partie de la charge contenue dans l'étui de la cartouche.
摘要:
A munition has a fuze that is mounted nonparallel to the axis of the munition, for example having a largest extent that is perpendicular to the longitudinal axis of the munition. Shocks from the fuze are transferred through a shock transfer device that is in contact with the fuze, to an initiation device that is also in contact with the shock transfer device. Shocks passing through the shock transfer device to the initiation coupler pass through a relatively narrow neck of the shock transfer device. In the shock transfer device the shock is concentrated and located precisely at the neck, before spreading out again and being transferred to the initiation device. In the initiation device the shock may detonate a high explosive material, which in turn is used to detonate a main explosive of the munition, such as a warhead.