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7614393 |
Channel gun magnetic launcher
An electromagnetic launcher comprising, an electric power supply, a conductive, stationary guide operatively connected to the power supply and forming a flowpath for current from the power supply,...
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7549365 |
Electromagnetic missile launcher
A technique for launching a missile that avoids some of the costs and disadvantages for doing so in the prior art. In particular, the illustrative embodiment of the present invention uses an...
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7526988 |
Electromagnetic railgun projectile
An electromagnetic railgun projectile is disclosed which includes an aeroshell having a substantially flat surface extending along the length thereof. The substantially flat surface is configured...
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7506571 |
Breech assembly for an electrothermal gun
This invention relates to a breech assembly of a gun adapted to fire caseless charges, ignited and enhanced with electrothermal chemical (ETC) charges. The gun utilizes charges as propellant and a...
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7503249 |
Barrels for electromagnetic guns
A gun barrel for firing a projectile and particularly a rail gun barrel that comprises a pair of spaced apart rails and a pair of spaced apart insulators, which separate the rails, and together...
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7459807 |
Linear motor geometry for use with persistent current magnets
An electrically powered launcher is disclosed that can accelerate small payloads to orbital velocities. The invention uses a novel geometry to overcome limitations of other design, and allows full...
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7444919 |
Tubular linear synchronous motor gun
An electromagnetic (EM) launcher that receives electrical power is provided for ejecting a projectile. The launcher includes an armature for holding the projectile and a launch conduit for...
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7409900 |
Rails for electromagnetic hypervelocity launcher
An electromagnetic launcher is provided for accelerating a projectile from a breech end to a muzzle end. The launcher includes a container, a rail contained therein and a support. The container...
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7398722 |
Multiple pole electromagnetic propulsion system with separated ballistic guidance and electrical current contact surfaces
An electromagnetic propulsion system is disclosed having separate rails for ballistic guidance and for carrying current. In this system, one or more pairs of ballistic guidance rails are provided,...
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7377204 |
Safer munitions with enhanced velocity
An apparatus and process for providing exceptionally high velocity projectiles and safer, more accurate munitions. Inefficiencies in explosive oxidation rates and initial resistance to velocity...
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7357128 |
Closed loop defined profile current controller for electromagnetic rail gun applications
A closed loop current controller for an electromagnetic rail gun. It is necessary to control the muzzle velocity of a rail gun accurately for the gun to be a good artillery device. The present...
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7337774 |
Projectile firing device using liquified gas propellant
Rifle ( 1 ) comprises barrel ( 2 ) and loading means ( 15 ) for introducing a projectile from magazine ( 7 ) into breech ( 4 ). The projectile is propelled by a compressed gas propellant initially...
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7305912 |
Chemically driven hydrogen gun
An electrothermal gun uses an apparatus for generating high gas pressure. The apparatus includes a receiver having a combustion chamber for holding a propellant which produces a gas component and a...
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7276819 |
Explosively driven power generation, method and device
A method for generating power including an energetic charge is activated to produce a shockwave, which is imparted at an effective velocity and temperature on a gas to ionize the gas for creating...
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7270044 |
Plasma firing mechanism and method for firing ammunition
The invention comprises a device and method for firing firearm ammunition using a plasma torch generator. In a particular embodiment, the device relates to the control or management of the rate of...
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7077047 |
Electromagnetic propulsion devices
Electromagnetic propulsion device as a gun or reversible electric motor having a barrel with a cavity extending its length, an armature in said cavity with a permanent magnetic or energized...
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7077046 |
Resonance in electromagnetic launchers
The present invention considers the problem of energizing large electric current, electromagnetic driving force and acceleration in coilguns by means of electromagnetic resonant oscillations, both...
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7073447 |
Electro-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...
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7041203 |
Apparatus and method for generating and using multi-direction DC and AC electrical currents
Multi-directional currents are generated in a medium by cyclically reversing the direction of a conventional current applied to at least one of at least two electrodes so that an electromotive...
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6997173 |
Method for shipboard operation of electromagnetic gun and rotating pulse forming network
An electromagnetic gun and rotating pulsed network system that includes a gun barrel coupled to a gun mount coupled on a rotating platform on one deck of a naval ship. A pulse forming network which...
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6923106 |
Rotating pulse forming network for shipboard operation of electromagnetic gun and capacitor module
An electromagnetic gun and rotating pulsed network system that includes a gun barrel coupled to a gun mount coupled on a rotating platform on one deck of a naval ship. A pulse forming network which...
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6845718 |
Projectile capable of propelling a penetrator therefrom and method of using same
A projectile includes a body, a penetrator disposed at least partially within the body for penetrating a target or barrier, and means for propelling the penetrator from the body. A method includes...
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6766793 |
Electromagnetic gun and rotating pulse forming network
An electromagnetic gun and rotating pulsed network system that includes a gun barrel coupled to a gun mount coupled on a rotating deck of a naval ship. A pulse forming network provides pulsed...
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6725759 |
Integral containment electromagnetic gun
Methods and apparatus related to design and construction of lightweight and mobile rail gun barrels. The barrels comprise a pair of elongated, generally parallel conductive rails extending along...
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6696775 |
Apparatus for commutation of a helical coil launcher
Apparatus for commutating turns of a stator coil for a helical coil launcher. An annular brush assembly includes an annular support and a plurality of electrical contacts disposed circumferentially...
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6668699 |
Porous nozzle projectile barrel
A porous barrel, projectile passageway, or tube as a type of supersonic nozzle for projectile propulsion therein and method for optimizing projectile velocity therethrough. The porous barrel...
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6622713 |
Rail gun
A rail gun uses magnetic forces to accelerate a round held within the firing chamber of the gun. A pair of rails extend along a length of the firing chamber and each has at least one wire passing...
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6502494 |
Multi-railgun system using three phase alternating current
A railgun accelerator system powered by alternating current (AC) is disclosed. In one form, the system advantageously uses multiples of six railguns in parallel, allowing velocities of around 100...
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6237581 |
Low energy track
A track useful for guiding a projectile having no wheels along a launching trajectory. The track comprises: an elongate track base extending parallel to the trajectory and a plurality of spaced...
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6220141 |
Liquid projectile launcher
A fluid projectile launcher (10) comprises a barrel having an open end and a closed end defining a breech portion (50). The breech portion (50) is arranged to hold a dosage of fluid (56) in the...
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6186040 |
Plasma burning device for electrothermal and electrothermal/chemical gun systems
A plasma burning device for an electrothermal/chemical gun system includes a case hating a bottom and an interior; plasma material accommodated in the interior; and a high-voltage electrode passing...
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6142131 |
Electromagnetic launcher with pulse-shaping armature and divided rails
An electromagnetic launcher includes a single or multi-polar, multi-phase electrical generator powered by an external source; electrical conductors leading from output coils of the generator and...
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6123005 |
Extended canister fly-through cover
A cover closes off the open end of a missile launch canister. The cover is esigned so as to seal off the interior compartment of the canister to protect the missile or the like contained within it...
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6119599 |
Sequential arc surface injector
The invention provides a device for generating surface plasmas, for ignition of propellants. The invention provides a plurality of sheet fuses with insulating sheets separating each fuse. One of...
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6085630 |
Firearms
The construction and arrangement of the projectile bearing surface interfaces rearward and forward of a recessed surface chamber of the projectile interface conjointly with the interfaces of bore...
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6032568 |
Means for controlling the muzzle velocity of a projectile
A means and method of controlling the muzzle velocity of a gun launched projectile to ensure that the muzzle velocities of several rounds of the same type tend towards the same value or that of an...
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5988070 |
Plasma injection device for an electrothermal gun
A plasma injection device in combination with a projectile includes a reusable multi-part propellant case which has a cartridge base and an electrically insulating case body directly attached to...
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5950608 |
Method of and apparatus for moving a mass
A mass located in a track defined by a closed, continuous path is gradually and smoothly accelerated or decelerated by controlling movement of the track so a portion of the track where the mass is...
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5945623 |
Hybrid electrothermal gun with soft material for inhibiting unwanted plasma flow and gaps for establishing transverse plasma discharge
A projectile accelerating pulsed gas source comprises a structure including a high voltage electrode for establishing axial electrical discharges in axial gaps behind an outlet where the projectile...
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5915291 |
Reactive ballistic protection device
The protection device according to the invention comprises a primary and a secondary coil facing each other. Current flow through the primary coil induces magnetic fields which repel each other, so...
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5909001 |
Method of generating a high pressure gas pulse using fuel and oxidizer that are relatively inert at ambient conditions
A high pressure pulsed gas source for accelerating a projectile along a gun barrel comprises a structure including a high voltage electrode for establishing axial electrical discharges in...
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5886290 |
Annular plasma injector
This disclosure relates to a plasma generation device particularly adapted to an electrothermal-chemical propulsion system. The device comprises a membranous conductive substance having structural...
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5869911 |
Method and apparatus for accelerating flying bodies
Disclosed is a method and an apparatus for accelerating and shooting a flying body at superhigh speed, consisting of a capacitor in which a high electric charge can be stored; a primary coil...
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5856630 |
High velocity electromagnetic mass launcher having an ablation resistant insulator
A railgun having a composite insulator of laminated materials positioned between the rails. The composite insulator is comprised of a series of conducting layers oriented with the edges toward the...
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5854439 |
Method for electrically initiating and controlling the burning of a propellant charge and propellant charge
The invention relates to a propellant charge comprising a compact propellant and a method for electrically initiating and controlling the burning of such a propellant charge. Electrothermal energy...
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5789696 |
Method for launching projectiles with hydrogen gas
A method for propelling a projectile by applying a high power pulse of elrical current to a metal fuel element (of Al, Al-Li, or Al-Mg) causing the element to explode dispersing molten metal fuel...
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5763812 |
Compact personal rail gun
A compact bearing ball, or rail, gun to magnetically accelerate ferro-magnetic BBs is disclosed. The gun comprises a main board containing a channel sized to allow smooth passage of a BB, a...
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5703322 |
Cartridge having high pressure light gas
A cartridge for accelerating a projectile includes a light gas pressurized in a sealed container to 5,000-10,000 psi. Upon ignition in the sealed container, a gas mixture having a low or...
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5675115 |
Ignition tube for electrothermal chemical combustion
An ignition tube for use with electrothermal chemical combustion ignition projectiles in guns, comprising a tube positionable in a combustion chamber for receiving plasma ignition from a plasma...
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5631436 |
Gun equipped with down-bore liquid propellant booster stage to increase projectile muzzle velocity
A booster stage is positioned down-bore from the breech of a gun to contain a charge of liquid propellant that is ignited by the combustion gases of a detonated breech propellant charge trailing...
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