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| Number | Title | Issue Date |
| 8161878 | Safety and arming unit for a projectile A safety and arming unit for a fuze of a projectile has a rotor for interruption of a firing chain. The rotor can rotate from a safe position to an armed position. In order to allow the safety and arming unit to be designed to be physically compact and such that it ... | 04/24/2012 |
| 8122829 | Safety lighter for pyrotechnic device Embodiments of the invention relate to a safety lighter intended to initiate the combustion of a pyrotechnic device, the lighter including a lighter body (10) having a cylindrical void (12) of axis XX′, and a pyrotechnic slide-in module (14) i... | 02/28/2012 |
| 7971532 | Microelectromechanical systems ignition safety device The present disclosure provides a microelectromechanical systems (MEMS) igniter which is an ignition safety device (ISD) in a small, low-cost, low-power, and highly reliable design. The MEMS igniter provides both out-of-line safety and an ignition mechanism for a ro... | 07/05/2011 |
| 7913623 | MEMS fuze assembly A MEMS fuze having a moveable slider with a microdetonator at an end for positioning adjacent an initiator. A setback activated lock and a spin activated lock prevent movement of the slider until respective axial and centrifugal acceleration levels have been achieve... | 03/29/2011 |
| 7895947 | Weapon fuse method A warhead fuse mechanism is used to prevent an accidental explosive event of a warhead by positioning a booster lead carrier, having a booster lead segment, positioned between the warhead detonator and warhead explosive. In a safe position the booster lead segment i... | 03/01/2011 |
| 7726243 | Igniter safe and arm, igniter assembly and flare so equipped and method of providing a safety for an igniter assembly A parachute flare igniter assembly includes a novel safety for arresting the motion of a slider when subjected to external forces, but allows slider motion when subjected to intended cable actuation forces. The igniter safety includes a housing, a slider, a cable an... | 06/01/2010 |
| 7552681 | MEMS fuze assembly A MEMS fuze having a moveable slider with a microdetonator at an end for positioning adjacent an initiator. A setback activated lock and a spin activated lock prevent movement of the slider until respective axial and centrifugal acceleration levels have been achieve... | 06/30/2009 |
| 7530313 | Self-destruct fuze delay mechanism An exemplary self-destruct fuze delay for a submunition includes a container filled with an activation fluid, a spring-loaded ampoule breaker to break the container upon deployment of the munition, a spring-loaded self-destruct firing pin to initiate a secondary det... | 05/12/2009 |
| 7497164 | Integrated thin film explosive micro-detonator A method of making a thin film explosive detonator includes forming a substrate layer; depositing a metal layer in situ on the substrate layer; and reacting the metal layer to form a primary explosive layer. The method and apparatus formed thereby integrates fabrica... | 03/03/2009 |
| 7490553 | Pyrotechnic safety device of reduced dimensions The invention relates to a firing safety device for a pyrotechnic device which incorporates a barrier blocking a transmission channel connecting an igniter and a pyrotechnic charge wherein the barrier comprises at least two elements able to move with respect to one ... | 02/17/2009 |
| 7464648 | Hybrid electronic and electromechanical arm-fire device A hybrid electronic and electromechanical arm-fire device comprising a moving mechanical element having a safe position and an armed position, one or more pyrotechnic detonators each having an output mounted on the moving mechanical element, a pickup adjacent to the... | 12/16/2008 |
| 7444937 | Pyrotechnic safety device with micro-machined barrier The invention relates to a firing safety device for a pyrotechnic device, such device incorporating at least one barrier to block a transmission channel connecting an igniter and a pyrotechnic charge, wherein the barrier is made in the form of at least one micro-mac... | 11/04/2008 |
| 7412928 | Electronic safety and arming unit An electronic safety and arming unit comprises a micro electromechanical system (MEMS) shutter device. The shutter (18) is suspended by thin lightweight arms and hinges, all formed by silicon processing of SOI substrates and includes holding latches for holdi... | 08/19/2008 |
| 7360486 | Safety system for the ignition chain of a projectile fuze A small arms projectile for a small arms weapon, which projectile comprises a warhead having an explosive charge, an initiator, and a firing pin. The initiator has safe and armed conditions and is capable of detonating the explosive charge of the warhead when the in... | 04/22/2008 |
| 7343860 | Safe and arm device and explosive device incorporating safe and arm device A safe and arm (S&A) device is disclosed. The device utilizes a no-fire separation distance and a mechanical configuration of primary explosive/booster explosive and secondary explosive to establish a safe mode. While in safe mode, the device would allow no more tha... | 03/18/2008 |
| 7322294 | Integrated thin film explosive micro-detonator A method of making a thin film explosive detonator includes forming a substrate layer; depositing a metal layer in situ on the substrate layer; and reacting the metal layer to form a primary explosive layer. The method and apparatus formed thereby integrates fabrica... | 01/29/2008 |
| 7316186 | Air-powered electro-mechanical fuze for submunition grenades A fuze for a submunition comprises a fuze housing with a stabilizer ribbon for aerodynamic orientation, a fuze slider released by tension on the stabilizer ribbon, an air-powered electric generator extended into the airstream by the fuze slider and powered in flight... | 01/08/2008 |
| 7296504 | Pyrotechnic actuator of the variable-thrust-acting type The technical field of the invention is that of pyrotechnic actuators comprising a piston, the basic function of which is to exert a thrust so as to displace an object by shooting out the piston. More particularly, the invention relates to a pyrotechnic actua... | 11/20/2007 |
| 7261035 | Method and system for operation of a safe and arm device A method and a system controlling the operation of a safe and arm device. The embodiments include continually utilizing a rule based computation to generate an output signal to be sent to a controller affecting the operation of the safe and arm (S&A) device towards ... | 08/28/2007 |
| 7258068 | Safety and arming apparatus and method for a munition A safety and arming mechanism for a munition having a housing with a first detonator and an explosive mounted within the housing and in alignment with one another. A shaft is mounted within the housing. A first component is rotatingly fixed to the shaft and is movea... | 08/21/2007 |
| 7207517 | Munition with integrity gated go/no-go decision A munition is presented which includes an integrity verification system that measures the integrity of the munition. When an integrity threshold is not met, engagement of the munition with a predetermined target is aborted. Also presented is a methodology for gating... | 04/24/2007 |
| 7197982 | Method for detection of media layer by a penetrating weapon and related apparatus and systems The present invention is directed to a system and a method for accurately locating a penetrating-type weapon within a shelter for detonation at a desired target site. The method includes reliably and accurately detecting thin layers of a shelter by use of a weapon f... | 04/03/2007 |
| 7148436 | Microelectromechanical acceleration-sensing apparatus An acceleration-sensing apparatus is disclosed which includes a moveable shuttle (i.e. a suspended mass) and a latch for capturing and holding the shuttle when an acceleration event is sensed above a predetermined threshold level. The acceleration-sensing apparatus ... | 12/12/2006 |
| 7142087 | Micromechanical latching switch A micro-electrical-mechanical-switch (MEMS) device comprises a semiconductor wafer, a first semiconductor layer formed on the semiconductor wafer, and a second semiconductor layer formed on the first layer. A first latching movable shuttle is formed in the second la... | 11/28/2006 |
| 7069861 | Micro-scale firetrain for ultra-miniature electro-mechanical safety and arming device A microscale firetrain for a safe and arm device having a safe position and an armed position, the firetrain including an input explosive column having a longitudinal axis; a transfer charge having a longitudinal axis and first and second ends and movable from a saf... | 07/04/2006 |
| 7055437 | Micro-scale firetrain for ultra-miniature electro-mechanical safety and arming device A microscale firetrain for a safe and arm device having a safe position and an armed position, the firetrain including an input explosive column having a longitudinal axis; a transfer charge having a longitudinal axis and first and second ends and movable from a saf... | 06/06/2006 |
| 7051656 | Microelectromechanical safing and arming apparatus A two-stage acceleration sensing apparatus is disclosed which has applications for use in a fuze assembly for a projected munition. The apparatus, which can be formed by bulk micromachining or LIGA, can sense acceleration components along two orthogonal directions t... | 05/30/2006 |
| 7040234 | MEMS safe arm device for microdetonation The present invention relates to a device for electronically arming and firing a MEMS-scale interrupted explosive train to detonate a main charge explosive. The device includes a MEMS slider assembly housing a transfer charge electrically actuated to move between sa... | 05/09/2006 |
| 7007606 | Method for utilizing a MEMS safe arm device for microdetonation The present invention relates to a method utilizing a MEMS safe arm device for electronically arming and firing a MEMS-scale interrupted explosive train to detonate a main charge explosive. The device includes a MEMS slider assembly housing a transfer charge electri... | 03/07/2006 |
| 6968785 | Locking and stabilizing device for grenades The locking and stabilizing device for grenades utilizes a solid nylon ring and multiple nylon ribbons that are attached to the ring at regular intervals around its circumference. During storage, the ring surrounds and locks the slider of the grenade in its storage ... | 11/29/2005 |
| 6964231 | Miniature MEMS-based electro-mechanical safety and arming device A MEMS type safety and arming device includes a substrate; a frame disposed on the substrate; a setback slider disposed in the frame, the setback slider moving linearly in response to a setback acceleration; an arming slider disposed in the frame, the arming slider ... | 11/15/2005 |
| 6701854 | Detonator to be installed in a chamber and safety container comprising it A detonator is intended to be installed in a chamber equipped with a blockable access opening. The detonator includes a member for initiating a pyrotechnic chain and a casing for confining the initiation member. The casing includes, facing the initiation ... | 03/09/2004 |
| 6679174 | Flare igniter with a slurry groove An igniter for a flare that includes a housing and a slider assembly. The housing includes an ignition device portion and a slurry groove portion. The ignition device portion has an ignition device portal for holding an ignition device, while the slurry g... | 01/20/2004 |
| 6634301 | Enclosed ignition flare igniter An enclosed ignition flare igniter that includes a housing and two slider assemblies. The housing includes a first portion and a second portion. The two slider assemblies are disposed within the housing; each slider assembly has an armed position and a sa... | 10/21/2003 |
| 6622629 | Submunition fuzing and self-destruct using MEMS arm fire and safe and arm devices A fuze for a submunition is miniaturized in size by forming the fuze of a micro-electromechanical systems ("MEMS") velocity sensor (38, 32, 34 and 36), a MEMs shock detector (31), a DC power supply (30) and one of the MEMs arm-fire device (2, FIG. 1) or M... | 09/23/2003 |
| 6588343 | Igniter system for a flare An igniter system for a flare that includes a housing, a slider assembly, and a piston assembly. The housing includes two ignition portals for holding ignition pellets. The slider assembly is disposed within the housing, and includes two sliders and a spr... | 07/08/2003 |
| 6568329 | Microelectromechanical system (MEMS) safe and arm apparatus A MEMS type safe and arm apparatus for a fuze includes a setback slider responsive to a first setback acceleration, the setback slider moving linearly in response to the first setback acceleration; a setforward slider responsive to a first setforward acce... | 05/27/2003 |
| 6530324 | Fuze mechanism for a munition A munition incorporating a fuze mechanism adapted to prevent momentary disarming of the mechanism once same is placed in an armed state. The fuze mechanism incorporates a fuze housing having a slide member movable slidably longitudinally between an unarme... | 03/11/2003 |
| 6431071 | Mems arm fire and safe and arm devices Miniature arm fire and safe and arm devices include an electrically operated pyrotechnic initiation device (5) to generate a detonation wave upon command and a movable pressure barrier (9) that blocks propagation of the detonation wave if the device is no... | 08/13/2002 |
| 6412417 | Igniter assembly actuated by parachute deployment, and flare containing the same This parachute flare igniter assembly has a novel slider for attaining high reliability in firing efficiency. The slider moves along a raceway of an igniter assembly housing. Also disposed in the housing is a cartridge retained in a stationary state relat... | 07/02/2002 |
