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Class 102/202 - Propellant ignitors


Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter for initiating the combustion of a charge
No. of patents: 153
Last issue date: 02/28/2012


1        
NumberTitleIssue Date
8122828Cartridge for a firearm
Ammunition with structural and functional features such as to optimize the propellant combustion process when the weapon is fired, resulting in accelerated delivery of the combustion gases. For this purpose, advantageously, the ammunition at issue is fitted with an ...
02/28/2012
7810429Consumable flash tube
A consumable flash tube for encapsulating igniter material in the propellant beds of propelling charges or rocket motors. The flash tube is constructed of a combustible, plastic material such as cellulose nitrate plastic or ethyl cellulose plastic. The combustible m...
10/12/2010
7685939Ignition charge for initiator and method of production
An ignition charge for an initiator provided with an igniting mechanism for setting aflame an ignition charge by the heat generated by an exothermic element connected via a pair of current conducting pins in response to an electric signal is a slurry ignition charge...
03/30/2010
7431337Inflator for an air bag
An inflator for an air bag which can be assembled easily is provided. An igniter 30 is fixed inside a closure 20 using a resin 28 by charging molten resin through a resin charging hole 24 provided in the closure 20, and hardening t...
10/07/2008
7380501Electro-thermal chemical igniter and connector
An ETC igniter and compatible electrical connector for enabling an ETC gun to be used in a battlefield setting in close proximity with personnel and sensitive electronic equipment. This is accomplished by providing a current path to and from the igniter that is elec...
06/03/2008
7284487Single-piece stereolithographically-produced missile igniter
Stereolithography is used to fabricate directly a single-piece, missile-usable, accurate, flightweight igniter without the use of intermediate, non-operational molds or prototypes in the fabrication process. The same prototype-less, direct stereolithography can be u...
10/23/2007
7270059Device for the electrical initiation of a pyrotechnic microcharge, and microsystem using such a device
The invention relates to a device for the electrical initiation of at least one pyrotechnic microcharge (3), this device being characterized in that it comprises a support element having at least one conductive finger (6) connected to a first terminal ...
09/18/2007
7210409Modular explosives cartridge and novel spider construction
A modular explosives cartridge comprises a tubular body having lockable coupling members secured on opposite ends thereof to form a bayonet coupling between opposite ends of respective cartridges to form an elongate tubular explosives cartridge. The lockable couplin...
05/01/2007
7201103Method for initiation and ignition of explosive charges through self-destruction of a laser source
A method of initiating explosive charges ignites an explosive charge by the heat and/or explosion of a laser due to self-destruction or overheating of the laser source, and not by the radiation emitted from the laser. The laser source is assembled and/or embedded wi...
04/10/2007
7191693Arrangement for weapon
An arrangement for a weapon including a countermass for reducing the pressure around the weapon. The countermass is enclosed in a countermass container with an openable cover provided with break indications. The arrangement brings about a symmetrical opening operati...
03/20/2007
7150227Multi-stage ignition type gas generator
A multi-stage ignition type gas generator has a first combustion chamber and a second combustion chamber defined independently from each other, and a third combustion chamber through which a gas generated in the first combustion chamber and the second combustion cha...
12/19/2006
7146913Shaped charge tubing cutter
A shaped charge detonation booster comprises a tubular wall body of substantially constant outside diameter for enclosing an axial primer path that terminates with an enlarged main cavity volume. Preferably, the main cavity is positioned within the juncture plane of...
12/12/2006
7137339Gas generator
A gas generator comprises an elongated, preferably tubular outer housing (10), at least one combustion chamber (26, 28) provided therein and filled with a solid propellant (30; 30′), and at least one igniter unit (16, 18) generating ign...
11/21/2006
7125041Gas generator
An igniter includes: an igniter assembly including an igniter main body having an ignition portion adapted to be ignited by an ignition electric current; an igniter collar which accommodates the igniter main body; a cup body having an opening portion, the igniter as...
10/24/2006
7104326Apparatus and method for severing pipe utilizing a multi-point initiation explosive device
A system and method for making and using a multi-point initiation explosive device that produces an enhanced pressure wave for severing tubing, pipe or casing in an oil or gas well. At least two opposed initiators initiate a column of explosive material from opposit...
09/12/2006
7093541Enhancement of solid explosive munitions using reflective casings
A solid explosive munition casing for an explosive charge, the inner surface of the casing including a material that is highly reflective in the optical and infrared spectrum. Through this reflectivity, electromagnetic radiation generated by the detonation process i...
08/22/2006
7077428Airbag initiator cover attachment apparatus and method
An airbag module has an inflator activated via an electrical connector. The inflator includes an initiation assembly having an initiator and a receptacle that retains the connector. The initiator may have a single, center pin. The initiator may be encased by a body ...
07/18/2006
7073447Electro-thermal chemical igniter and connector
An ETC igniter and compatible electrical connector for enabling an ETC gun to be used in a battlefield setting in close proximity with personnel and sensitive electronic equipment. This is accomplished by providing a current path to and from the igniter that is elec...
07/11/2006
7070204Programmable gas generator using microcells
A programmable gas generator which has a plurality of different elements can be individually activated, and wherein the activation causes inflation of a device. ...
07/04/2006
7059249Transverse plasma injector ignitor
A plasma injector for use in munitions having a central axis. The plasma injector has a stub case, a tube, an anode, a cathode, and a conductive wire. The tube has a first end, a second end, and a central bore extending therethrough. The tube has at least one apertu...
06/13/2006
7052646Igniter for oxygen lance for thermal cutting, drilling etc.
In accordance with the method and the device according to the invention, previous pure pyrotechnic primers for initiating the ignition charges (6a, 6b) of the oxygen lance igniters (13) are replaced by a small quantity of powdered ...
05/30/2006
7047885Multiple pulse cartridge ignition system
An electronically controlled multi-pulse ignitor ignites a cartridge used to launch a projectile. An electronics module is programmed with a temperature performance profile for the cartridge. A temperature sensor is coupled to supply current cartridge temperature da...
05/23/2006
7039088Enhancement of chemical lasers via control of the ambient radiation environment
A system and method for obtaining improved performance of chemical laser systems by exercising control over the radiation environments of these devices. Proper control of the AERE is achieved through the control of the wall construction including the choice of mater...
05/02/2006
7024288Method for generating rocket motor data profiles for firings at various temperatures
A method for generating predictions of rocket motor ballistic performance at specific firing temperatures and for generating data profiles for analysis. The method requires generally available specifications for the rocket motor to be tested and test data from one o...
04/04/2006
7014100Process and assembly for identifying and tracking assets
An assembly and process for identifying and tracking assets, particularly tubulars, equipment, tools and/or devices. An antenna is electrically connected to a responding device, such as a radio frequency identification device, and this assembly is connected to an as...
03/21/2006
7000377Super-staged and continuously staged rocket
A super-staged rocket includes at least approximately 50 rocket engines, where the engines are distributed according to at least one of: at least five multi-engine stages connected in series, each stage including at least ten engines connected in parallel; and at le...
02/21/2006
6973878Warhead with aligned projectiles
A kinetic energy rod warhead with aligned projectiles includes a projectile core in a hull including a plurality of individual projectiles and an explosive charge in the hull about the core. The individual projectiles are aligned when the explosive charge deploys th...
12/13/2005
6971673Tubular gas generator
A gas generator comprises a tubular housing of a pressure-resistant material and a propellant strand incorporated in the housing. The propellant strand is provided with an envelope surrounding the propellant strand. The envelope is dimensionally stable and substanti...
12/06/2005
6931994Tandem warhead
A tandem warhead for destroying a target, the tandem warhead including a kinetic energy rod section with a plurality of lengthy individual projectiles, a blast fragmentation section deployable proximate the target, and a guidance subsystem for deploying the projecti...
08/23/2005
6925937Thermal generator for downhole tools and methods of igniting and assembly
An ignition device for a downhole tool includes a body with a cavity, a thermite material and a resistive element within the cavity. The resistive element, which is heated to the high temperature needed for ignition of the thermite material, has a non-galvanic outer...
08/09/2005
6918340Dual-stage gas generator utilizing eco-friendly gas generant formulation for military applications
This invention relates to a gas generator having two or more compartments, each with a separate initiator, with one compartment discharging before another, i.e., the compartments discharge sequentially. Each compartment has the same propellants, but the propellants ...
07/19/2005
6913661Ammonium nitrate propellants and methods for preparing the same
The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the ...
07/05/2005
6889614Air bag inflator
The air bag inflator employs an injection piston assembly in which liquid propellant is delivered through nozzles in the injection piston to the combustion chamber. Metering of the liquid propellant is accomplished in a manner that is not sensitive to changes in amb...
05/10/2005
6889613Variable output inflator
The variable output inflator includes an injection piston assembly containing a liquid propellant chamber from which liquid propellant is injected through one or more nozzles in the injection piston into a combustion chamber. The movement of the injection piston is ...
05/10/2005
6877431Hermetically sealed electrical feed-through device with a bent isolated pin in a circular glass seal
The hermetically sealed electrical feed-through device has a circular metal disk (11) with a conductive angular or bent isolated pin (13) hermetically sealed in an oval or elliptical through-going opening (O) whose center coincides with the center of t...
04/12/2005
6874423Hermetically sealed electrical feed-through device with a straight isolated pin in an offset oval glass seal
The hermetically sealed electrical feed-through device has a circular metal disk (11) with a conductive straight isolated pin (13) hermetically sealed in an oval or elliptical through-going opening (O) positioned offset from the center of the circular ...
04/05/2005
6874422Hermetically sealed electrical feed-through device with an oval-cross-sectioned isolated pin in a circular glass seal
The hermetically sealed electrical feed-through device has a circular metal disk (11, 21) with a conductive isolated pin (13, 23) hermetically sealed in a through-going circular opening (O, O′) by a glass seal (17, 27) and a conductive ground ...
04/05/2005
6857370Primer body
A primer assembly including an ignition element assembly, a primer head assembly and a tubular body, is presented. The primer head assembly has an exterior diameter and an internal chamber containing the ignition element assembly. The tubular body has an open head e...
02/22/2005
6848713Airbag gas producer
A gas generator for an air bag comprises: a housing having a gas discharging port; an initiator assembly provided with a first igniter and a second igniter mounted to the housing via a holder, each of the first igniter and the second igniter including a priming acti...
02/01/2005
6802259Device for firing energetic materials such as pyrotechnics or explosives
A device for firing energetic materials (14) such as pyrotechnics or explosives, including a firing composition (12) for the energetic materials (14) and an UV-radiation source (16) for irradiating the firing composition (12), wher...
10/12/2004
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