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| Number | Title | Issue Date |
| 8166880 | 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... | 05/01/2012 |
| 7490552 | MEMS microdetonator/initiator apparatus for a MEMS fuze A MEMS apparatus having a substrate layer, a device layer and an intermediate oxide layer joining them. A slider is formed in the device layer and includes an enlarged end portion. A walled chamber having a hollow interior in which is positioned a microdetonator is ... | 02/17/2009 |
| 7383774 | 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... | 06/10/2008 |
| 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 |
| 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 |
| 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 |
| 6880464 | Igniter for a projectile which is fired from a barrel with angular momentum The igniter comprises a disk-shaped element (15) with a central portion (16) and a boundary portion (17) surrounding it for interrupting and/or releasing an ignition chain (13a, 13b) of the igniter. Only the central p... | 04/19/2005 |
| 6865989 | Electronic self-destruct device A device provides for time-controlled self-destruction of a projectile by a batteryless, electronic self-destruct device. Several capacitors charged by a piezo element or a surge generator during firing are used in the flight phase for operational purposes. At least... | 03/15/2005 |
| 6705231 | Safing and arming device for artillery submunitions A safing and arming device is provided for a warhead or round which is to be launched by a rifled gun and which includes submunitions. A slider is disposed in a housing between a detonator and lead cup and is movable between a first, safe position wherein the slider... | 03/16/2004 |
| 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 |
| 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 |
| 6237495 | Self-destructing impact fuse A self destructing impact fuse including a cylindrical firing pin having a hollow centrifugal chamber for holding a number of spheres and a number of radial openings on its surface for exposing portions of the spheres when the chamber is spun. At one end ... | 05/29/2001 |
| 5705767 | Miniature, planar, inertially-damped, inertially-actuated delay slider actuator A miniature, planar, inertially-damped, inertially-actuated delay slider uator is micromachined on a substrate and consists of a "slider", with zig-zag or stair-step-like patterns on the side edges, interacting with similar vertical-edged zig-zag pattern... | 01/06/1998 |
| 5576510 | Percussion fuse for ammunition An impact fuse for a projectile comprises a firing needle and a main detonator carried by a rotor. The rotor is rotatable about an axis, upon launching of the projectile, and is rotated by centrifugal force from a safety position to a firing position in w... | 11/19/1996 |
| 5467713 | Ignition and safty device for a grenade projectile provided with a shaped charge insert An ignition and safety device for a grenade projectile provided with a shaped charge insert and having a bottom-side impact fuse that has a spin-dependent safety element and acceleration-dependent safety element (14, 17), and a self-destruct device. The s... | 11/21/1995 |
| 5269223 | Piezoelectric fuse system with safe and arm device for ammunition A self-powered fuze apparatus for a projectile containing an explosive charge which comprises a first housing containing a mechanical safety device for releasably preventing undesired movement of a detonator cup holder containing a detonator from an unarm... | 12/14/1993 |
| 4738201 | Control devices Apparatus for e.g. igniting a boost motor of a spinning projectile comprises an inertia wheel (5) which remains stationary within the spinning projectile and a linearly movable member (10) initially decoupled from the inertia wheel but become engaged ther... | 04/19/1988 |
| 4691634 | Electro-explosive safety and arming device A safety and arming mechanism wherein a sliding member is held in an out-of-line position breaking the fuze train. An actuator releases the sliding member and moves the sliding member, which contains a stab detonator, in-line and towards a firing pin comp... | 09/08/1987 |
| 4378740 | Munition fuse system having out-of-line safety device An out-of-line fuse for primarily ring-type, multiple point concurrent initiation, projectiles is disclosed. In the unarmed state, the detonator and booster charges are angularly displaced while located at the same radial distance from the projectile axis... | 04/05/1983 |
| 4020766 | Explosive projectile The invention relates to an explosive projectile comprising an explosive charge and a device for firing a detonator outside of the charge, characterized in that the explosive charge comprises a recess, in that the projectile comprises a device for priming... | 05/03/1977 |
