Matches 51 - 100 out of 182 < 1 2 3 4 >
Match Document Document Title
4972777 Ammunition for liquid propellant gun  
A round of ammunition is provided including a stub cartridge case carrying a primer, a booster, and a projectile having a plurality of longitudinally extending grooves in its base which are...
4953440 Liquid monopropellant gun  
A gun in which the interior wall of the breech portion of the bore is proed with a series of small annular combustion chambers distributed along the axis which are filled with liquid monopropellant...
4949621 Liquid propellant gun  
A liquid propellant gun and a method of controlling liquid in a combustion or liquid propellant gun is disclosed. The gun is provided with a barrel attached to the receiver having a cavity formed...
4945809 Liquid propellant gun  
This invention provides an annular piston, annular control valve, liquid propellant gun system, having a dual angle injection mechanism to provide both bore and chamber gas requirements with a...
4938112 Apparatus and method for the acceleration of projectiles to hypervelocities  
A projectile is initially accelerated to a supersonic velocity and then injected into a launch tube filled with a gaseous propellant. The projectile outer surface and launch tube inner surface form...
4936188 Combustion sub-channels for bulk loaded liquid  
Improved bulk-loaded liquid propellant guns are provided having a plurality of channels within the master chamber but not in contact with the gun barrel so as to obviate destructive pressure...
4934242 Liquid propellant gun for projectiles of different masses and velocities  
A gun is provided having a housing, a main gun barrel, a combustion chamber, a liquid propellant pumping chamber, and valve means for providing a variable orifice injection port intercoupling said...
4930394 Barreled weapon with chemical-electrical hybrid propulsion through regenerative propellant injection  
A barreled weapon with chemical-electrical hybrid propulsion through the intermediary of regenerative injection of fluid propellants through at least one axially movable piston. The propellant...
4915010 Barreled weapon with regenerative propellant injection  
A barreled weapon with regenerative propellant injection through the intermediary of at least one axially displaceable piston. A ring-shaped or annular cylindrical space is arranged coaxially about...
4907486 Liquid propellant gun  
A liquid propellant gun system has an annular differential piston journaled for telescopic movement with respect to an annular control valve and to the chamber of the firing bore; uses the piston,...
4902539 Fuel-oxidant mixture for detonation gun flame-plating  
The invention relates to a fuel-oxidant mixture for detonation gun applications comprising an oxidant such as oxygen and a fuel mixture of two combustible gases such as acetylene and propylene. The...
4895062 Combustion augmented plasma gun  
Apparatus for providing a controlled increase in muzzle velocity of a projectile while reducing peak value of gas pressure inside a gun barrel. A cartridge includes an elongated body having a...
4870886 Temperature compensating variable stroke projectile positioning system  
A variable stroke projectile postioning system compensates for temperature by adjusting the volume of a munition chamber which communicates with a projectile and contains a propellant having...
4852461 Armored vehicle with top-mounted barreled weapon  
An armored vehicle with an overhead or top-mounted cannon or barreled weapon, which is supported in a forked cradle support so as to be elevatable about a bearing trunnion axis, and which includes...
4838142 Regenerative electrical igniter for a liquid propellant gun  
An electrical igniter for a regenerative liquid propellant gun is disclosed hich includes a combustion chamber for receiving a charge of liquid gun propellant, an electrode for igniting the liquid...
4757740 Multiple barrel gun  
Cylindrically arranged barrels include feeder rods connected to a wobble plate for reciprocally moving shells into a firing position. A back pressure seal sleeve may be positioned on the feeder...
4745841 Liquid propellant gun  
This invention provides a liquid propellant gun embodying a first species of this invention wherein the inner differential area piston is controlled by a variable damping mechanism, and both...
4722261 Extendable ram cannon  
A ram cannon (1) has an extendable barrel (2) slidably disposed over a starter cannon barrel (7). Such an extendable barrel is fully retractable during transport of the cannon and extendable at the...
4715260 Seal  
A decompression seal mechanism has a body containing a series of cavities formed by alternate grooves and lands and formed of a porous structure deposited by a plasma spray, and means for supplying...
4711153 Seal  
This invention provides a seal mechanism between two mating surfaces by means of a progressively, but not necessarily uniformly, decreasing clearance gap between said two surfaces for the flow of...
4711154 Combustion augmented plasma pressure amplifier  
A propulsion device uses an electrically driven plasma injector to feed combustible fuel into a chamber prefilled with an oxidizer. A reaction between the two constituents augments the electrical...
4664631 Surrogate weapon for weapons effects signatures  
The invention comprises a surrogate weapon for simulating the sound and flash of gunfire having a combustion chamber system in which a primary chamber is an elongated cavity, having a proximal end...
4662844 Coaxial machine-gun/main-tank-gun weapons effects simulator  
The invention comprises a combined machine gun and large bore cannon weapons effects signature simulator having a rapid fire small bore methane and oxygen fired combustion chamber disposed within...
4653380 Bipropellant gun and method of firing same  
A bipropellant gun in which an immiscible hydrocarbon fuel and oxidizer are combined in the gun's combustion chamber just prior to, or simultaneous with, ignition thereof. The oxidizer consists of...
4654008 Automatic weapons effect signature simulator  
An automatic weapons effects simulator (AWES) reproduces the visual and acoustic signatures associated with the firing of a weapon used in combat troop engagement simulation. The AWES is directly...
4644843 Gas actuated gun system for launching a projectile  
An improved and repetitively operable gaseous-propellant gun system for lching one or more projectiles to strike a target, especially a relatively high-speed target at close range. The system is...
4603615 Liquid propellant weapon system  
This invention has the provision of a liquid propellant gun having an annular piston whose head is formed of nested rings to provide a relatively high rate of flow from the aft face of the head to...
4602553 Method of and assembly for firing projectiles with controlled gasification of a liquid propellant  
A projectile seated in a gun barrel is fired by vaporizing a liquid propellant in a loading chamber communicating with the gun barrel through a rising duct. A cluster of filling bodies occupies the...
4586422 In-line annular piston fixed bolt regenerative variable charge liquid propellant gun with variable hydraulic control of piston  
A regenerative liquid propellant gun structure in which the differential area piston is annular, has an open peripheral cylindrical skirt extending away from the combustion chamber to define a...
4574681 Gun barrel weapon with liquid propellant charge  
A gun barrel weapon for firing a projectile by means of a liquid propellant medium. The weapon includes a coaxial first member which defines a propellant medium combustion chamber. This first...
4553480 No flash, very low noise howitzer round and tube  
The device is a very low noise, no muzzle flash howitzer round and matching tube. It comprises a case, a propellant, a projectile, and a plunger which launches the projectile from the case. With a...
4532851 Liquid-propellant system  
A nonhypergolic propellant for a barrel-type weapon is mixed with about 20% by volume of a propellant granulate which can be in the form of spheroidal powder, preferably a dibasic powder...
4523508 In-line annular piston fixed bolt regenerative liquid propellant gun  
A regenerative liquid propellant gun structure in which the differential area piston is annular, having a peripheral cylindrical skirt extending away from the combustion chamber to define a...
4478128 Projectile carrier for liquid propellant gun  
This invention concerns an improved round for use in liquid propellant gu The improved round comprises a projectile attached to a carrier which is shaped like an abbreviated cartridge case. The...
4393781 Fuze for liquid shell propellants  
A fuze for the firing of a projectile from a gun barrel comprises a breech piece threaded onto the rear end of the barrel and defining therewith a cylindrical chamber for a charge of liquid...
4383472 Primer device  
A primer device has a coupling device for efficiently dispersing the ignin products from a primary propellant into a main charge. The coupling device has a housing with a central chamber. This...
4376406 Hybrid gun system  
A hybrid gun system provides the benefits of both solid and liquid propelts by utilizing a shortened conventional cased ammunition which utilizes the propellant gas generated by the solid...
4341147 Coaxial dual hollow piston regenerative liquid propellant gun  
A regenerative liquid propellant gun having structure which reacts to combustion pressure to dispense and regulate the flow of liquid propellant from an included reservoir as one parameter for...
4337685 Apparatus for generating a propellant gas  
In an apparatus for generating a propellant gas, such as is used in propeng projectiles, at least one rotation chamber acts as a propellant gas generator containing a ring-shaped flow of...
4336741 Liquid propellant velocity assistance system for guns  
A liquid propellant velocity assistance mechanism for a gun in one embodiment includes separate gas operated injectors for metering liquid fuel and liquid oxidizer into the bore of the gun after it...
4281582 Control piston for liquid propellant gun injector  
The injection piston of a regenerative liquid propellant gun is attached to a second piston that has a programmed hydraulic resistance which controls its motion, thus the propellant injection rate...
4269107 Liquid propellant/regenerative charging system bubble preventer  
By angling the propellant fluid inlet to the charging chamber of a liquid propellant gun and having a central vent, the tangential swirling of the entering fluid clears the chamber and the fluid of...
4231282 Ignition system  
A feature of this invention is the provision of a booster charge of liquid propellant from a main supply to adiabatically compress a quantity of gas and then progressively inject the booster charge...
4215620 Ignition device  
An igniter assembly for use in liquid propellant guns comprises an outer tubular conductor and an inner conductor spaced apart by a volume of tightly packed, irregular granules of an insulating...
4193335 Gun misfire control  
A mechanism is provided to detect the occurrence of a misfire in an automatic gun and for thereupon halting, prior to the unlocking of the gun, the further operation of the gun; which is...
4175470 Gun with rapid firing rate  
A gun has a projectile housing and a cartridge chamber, aft thereof, aligned between a barrel and a breech bolt containing a striker. The striker is positioned to impact on primer caps of...
4172408 Liquid propellant gun, breech pressure axial injection  
A liquid propellant gun having a chamber adapted to receive a projectile liquid propellant and having a breech area containing a fuel injection system and a valve internally thereof and a bolt...
4170922 Ignitor  
An ignitor for a liquid propellant gun having a center electrode supported nd surrounded by insulation so that only a planar or domed face is exposed. The assembly is firmly seated in the bolt nose...
4164890 Liquid propellant modular gun incorporating dual cam operation and internal water cooling  
A liquid propellant modular gun has a slim profile and is constructed for wide latitude in gun cluster configuration. The modular gun has a stationary barrel and is externally driven and cam...
4161904 Liquid propellant modular gun incorporating hydraulic pressurization of the case  
A liquid propellant modular gun has a main cam which is driven at a multiple of the gun firing rate and which has internal cam surfaces operatively associated with the bolt while the bolt is driven...
Matches 51 - 100 out of 182 < 1 2 3 4 >