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7603950 |
Device for impact detection
A piezo cable is provided as an impact sensor, which allows up to four different measuring principles. In addition to the piezoelectric measurement, which causes a piezoelectric pulse in an impact,...
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7506586 |
Munitions energy system
A munitions energy system combines various sources of energy generation with energy storage to provide power to a munition through various stages of the munition's operation. The system uses energy...
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7312557 |
Mass-spring unit for generating power by applying a cyclic force to a piezoelectric member due to an acceleration of the mass-spring unit
An apparatus for generating an electrical power upon an acceleration of the apparatus is provided. The apparatus including: a piezoelectric member having at least a portion thereof formed of a...
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7173540 |
Flash-bang projectile
A flash-bang projectile that generates one or more noise pulses and one or more flashes of light. In generating a noise pulse, the flash-bang projectile provides a housing that includes a gas...
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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...
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6679179 |
Non-lethal electromagnetic active body
A non-lethal active body which is equipped with a detonation-operated electrical pulse generator, and which is especially deployable as an article of submunition. The pulse generator is a...
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6439097 |
Missile launcher with piezoelectric launcher pulse power source and inductive launcher/missile coupling
A missile system includes a launcher having a built-in pulse power source and an electrical connection to a missile. The pulse power source is used to send activation and firing pulses to the...
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H001930 |
Precursor warhead attachment for an anti-armor rocket
A precursor warhead for a high-explosive, anti-armor (HEAA) warhead is provided. The precursor warhead is a cylindrically-shaped attachment adapted for a friction fit over the nose cone of existing...
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6082267 |
Electronic, out-of-line safety fuze for munitions such as hand grenades
A munitions fuze implements an operating mechanism comprising a piston, operating rod and toggle body bearing a detonator, aligned in a cavity within a munitions housing. In the safe condition the...
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5942714 |
Accurate ultra low power fuze electronics
An accurate, yet ultra low power fuse electronics is presented in which two methods are used to reduce power consumption in the fuze electronics. First, the fuze uses low power 3.3 volt logic chips...
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5929368 |
Hybrid electronic detonator delay circuit assembly
An electronic delay circuit (10) for use in a detonator (100) has a switching circuit (20) and a timer circuit (22). Switching circuit (20) controls the flow of a stored charge of electrical energy...
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5912428 |
Electronic circuitry for timing and delay circuits
An electronic delay circuit (10) useful for the delayed initiation of detonators illustrates several novel features that may be combined, including a novel oscillator (34), a programmable timer...
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5705766 |
Electronic turns-counting fuze and method therefor
A fuse (12) detonates a spin-stabilized projectile (10) after the fuse (12) experiences a preset number of turns. The preset number is communicated (64) to the fuse (12) prior to launch. A...
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5565647 |
Warhead with sequential shape charges
This invention involves a warhead, for use against armor containing several reactive stages, specifically, an anti-tank warhead, of a type comprising shape charges acting sequentially from front to...
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5536990 |
Piezoelectric igniter
A device for producing an electrical output within a larger apparatus which generates the electrical output by use of energy already available within the apparatus. The device is particularly...
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5485788 |
Combination explosive primer and electro-explosive device
A system (10) for detonating an electro-explosive device (EED) (46) includes a primer (40, 70) connected to an expansion chamber (36) by a shaped vent passage (38). A releasably retained element...
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5435248 |
Extended range digital delay detonator
An extended delay detonator (blasting cap) provides a preselected, electronically controlled delay between an incoming non-electric impulse input signal from, e.g., a shock tube or other input...
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5415105 |
Tandem warhead with piezoelectric percussion fuses
The invention relates to a tandem warhead with a preliminary charge (1) and a main charge (2) respectively each with an associated fuse (3, 4). So that on ignition two fuses (3, 4) which are...
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5377592 |
Impulse signal delay unit
A digital delay unit for use in blasting operations and the like provides a selected delay between an input impulse signal and an output impulse signal. The delay unit may have a fixed, preset...
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5301613 |
Power supply for an electrical circuit mounted on a projectile
An improved power supply (10) for an electrical circuit (12) mounted on a projectile. The inventive power supply (10) includes a mechanism (14) on the projectile for generating electrical energy on...
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5280751 |
Radio frequency device for marking munition impact point
A munition incorporating a miniature transmitter (25) and a piezoelectric power supply (45) which converts a portion of the kinetic energy of the projectile (20), upon impact, into radio frequency...
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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...
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H001224 |
Electric coupling
The present invention is directed to an apparatus intended to allow detonon of munitions by the occurrence of a triggering event at a location remote from the actual munition. This apparatus...
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5173569 |
Digital delay detonator
An electrical delay detonator for blasting initiation systems and the like energized solely by a force input from a non-electric signal communication system, which detonator has a hollow,...
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5166469 |
Delay fuse for sequentially detonating shaped charges
A delay fuse for a warhead (1) including at least two charges (3, 8) for sequential detonation disposed inside a casing (2). The delay fuse comprises a screen (6) movable in a longitudinal axial...
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5157220 |
Static arming bomb priming device
A static arming device for a bomb having a housing and a main charge therein is provided and consists of a portable power source and a fuse ignitor carried within the housing. The fuse ignitor is...
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5133257 |
Ignition system and a method for the initiation thereof
An apparatus for detonating explosive charges at a given location in response to an initiation at a remote location and after a preselected delay comprises a non-electrical initiation device for...
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5092243 |
Propellant pressure-initiated piezoelectric power supply for an impact-delay projectile base-mounted fuze assembly
A piezoelectric power supply for a fuze assembly includes a stacked array of piezoelectric ceramic discs, a hollow can for holding the stacked piezoelectric discs, flexible electrical circuits...
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5040463 |
Pressure activated power supply
A device for use in a weapon system provides electrical energy for fuzing the weapon system. The device includes a detonator disposed within a housing, with the detonator being in association with...
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5033382 |
Piezoelectric fuse for projectile with safe and arm mechanism
A piezoelectric fuse, and safe and arm mechanism for a small active projectile is disclosed including a piezoelectric element mounted within the projectile near the leading end thereof with an...
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5022324 |
Piezoelectric crystal powered ignition device
A device for ignition of a pyrotechnic material, comprising: (a) piezoelectric means for providing a high voltage electrical pulse in response to mechanical energy; (b) means for emitting a...
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5014062 |
Electronic projectile impact spotting device
A spark gap transmitter mounted in the base plug of a projectile and powdd by the piezoelectric effect of ferroelectric crystals deformed upon projectile impact. The transmitter emits an RF pulse...
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5002308 |
Igniter for an inflatable occupant restraint
An igniter for use in a vehicle having gas generating material which upon ignition produces gas for inflating an inflatable occupant restraint. The igniter comprises a pyrotechnic transmission line...
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H000251 |
Increased safety in use, and improved function, of ammunition items
An electrically detonated fuse for a grenade is shown, used either as a b up system for the usual mechanical detonator, or independently as the sole arming and detonating means. The invention is...
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4648320 |
Detonator triggering device
A detonator triggering device which is located in the head of an underwater projectile, and wherein a pressure receiver which is positioned within an opening in the projectile head is exposed to a...
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H000210 |
Bi-input safe detonator
A detonator comprises a housing which contains a weak explosive charge igable by a bridge wire and a piezoelectric semiconductor buffer positioned in the housing for receiving a shockwave from the...
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4606271 |
Fuse with a piercing head for a projectile
The projectile fuse comprises a piezoelectric generator located forward of a piercing part (2) and formed by a striker (5), a hammer (6) and a crystal (8). The firing device comprises a watch...
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4606272 |
Initiation delay system for warheads with tandem mounted shaped charges
The technical area of this invention is initiation delay mechanisms for warheads carrying two tandem-mounted shaped charges. With this invention the initiation delay mechanism consists of using the...
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4515081 |
Arrangement in a fuse for projectiles with explosive charge for changing over between direct and delayed ignition of the explosive charge
Arrangement in a fuse for projectiles with explosive charge for changing over between direct and delayed ignition of the explosive charge. The arrangement includes a movable contact member which in...
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4434717 |
Hybrid fuse triggering device
A fuse triggering device for air to air missiles incorporates a readily rvable housing consisting of a threaded member mounted on a standard nut as a base and a hermetically sealed cover. The...
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4393779 |
Electric detonator element
An electrical detonator element including a support formed of an electrically nonconductive material with an ignition resistance and lead electrodes arranged thereon. An electrical circuit for...
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4382408 |
Circuit arrangement for an impact fuze
An impact fuze for barrel weapon ammunition of the type whose velocity of flight continuously decreases from the time of firing with increasing duration of flight, including a circuit arrangement...
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4316413 |
Generator for a spin-projectile
Generator for generating electrical ignition or detonation energy in a spin projectile through a piezo element utilizing the spin of the projectile for generating the electrical energy. The piezo...
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4299169 |
Generator for a spin projectile having a guide band
A generator for generating electrical ignition energy through a piezo element in a spin projectile. A guide band on the projectile deforms upon entry into the riflings of a weapon barrel. To...
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4291626 |
Assembly of piezoelectric element unit and sheet metal mount for ignition device
A piezoelectric element unit and sheet metal mount therefor has a window opening for readily mounting the unit therein without the necessity for using tools and for stably holding it despite...
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4275658 |
Safing and arming signature for fuzes
A recess or cavity is formed on the exterior of a fuze ogive. A piezo-eleic tape is positioned within the cavity or recess. Fluctuations in the pressure within the recess, caused by air flow over...
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4241662 |
Electrical projectile detonator
An electrical projectile detonator, particularly a base detonator or fuse which incorporates a piezoceramic cell as a current generator wherein it is possible to generate a voltage through the...
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4215633 |
Acoustic emission contact fuze with signal processing capability
An acoustic emission contact fuze that is responsive to high-frequency actic emission stress waves and distinguishes between such waves caused by impacts and signals caused by the operating...
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4176608 |
Electrically energized impact detonated projectile with safety device
Projectiles exist with a stored electrical charge during flight and an elrically energized detonator which activates upon impact. Premature activation in flight, which can be caused by spurious...
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4141298 |
Electronic ignition circuit
An electronic ignition circuit for the self-destruction of a projectile fuse, including two condensers chargeable from a single generator, such as a piezoelectric cell. A delay circuit initiates...
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