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7003942 System and method of controlling pressure oscillations of hydrodynamic origin for a solid propellant thruster  
The invention provides a system for passively controlling pressure oscillations of hydrodynamic origin in a solid propellant thruster comprising a body containing a charge of solid propellant, the...
6957526 Pressure-actuated toy rocket system  
A pressure-actuated rocket system comprises a bottom base, a detonator and a rocket body. A top base is placed on a top surface of the bottom base. At least one through hole is located on a side of...
6904749 Polyoxymethylene as structural support member and propellant  
A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides...
6632378 Nitrate ester plasticized energetic compositions, method of making and rocket motor assemblies containing the same  
A nitrate ester plasticized energetic composition in which the binder is made of, prior to curing, lower alkylene glycol prepolymer blocks end-capped with ethylene glycol monomers and/or oligomers....
6446427 Solid fuel regression rate control method and device  
The present invention relates to a method and device for controlling the solid fuel regression rate of a solid fuel ramjet engine. In a preferred embodiment of the present invention, pressure...
6367244 Propulsion system containing a mixed-phase propellant and a method for propelling an object with the same  
A propulsion system with at least one storage chamber containing at least one solid propellant and at least one fluid propellant is disclosed. The fluid propellant is retained under pressurized...
6241281 Metal complexes for use as gas generants  
Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral...
6217682 Energetic oxetane propellants  
An energetic solid rocket motor propellant having one or more plateau regions of low operating pressure exponent is disclosed. The propellant is formulated from ingredients including an energetic...
6073438 Preparation of eutectic mixtures of ammonium nitrate and amino guanidine nitrate  
A eutectic solution of ammonium nitrate and either aminoguanidiine nitrate (AGN) or guanidine nitrate (AN) in the form of a present pellet is used to generate a particulate-free, non-toxic,...
5970703 Metal hydrazine complexes used as gas generants  
Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral...
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...
5850053 Eutectic mixtures of ammonium nitrate, guanidine nitrate and potassium perchlorate  
A eutectic solution of ammonium nitrate and either aminoguanidine nitrate (AGN) or guanidine nitrate (AN) in the form of a pressed pellet is used to generate a low particulate non-toxic, odorless...
5811725 Hybrid rocket propellants containing azo compounds  
Hybrid rocket propellants are disclosed that contain azo compounds, i.e., compounds containing the group R--NN--R' as part of their structure, where R and R' represent a variety of groups...
5771679 Aluminized plateau-burning solid propellant formulations and methods for their use  
Solid rocket motor propellants which burn at at least one stable burn rate over at least one corresponding pressure range (i.e the burn rate v. pressure curve contains at least one area of low...
5765361 Hybrid-LO2-LH2 low cost launch vehicle  
A low-cost rocket or thruster has a low-cost propellant injector, in which fluid fuel and oxidizer are injected into a combustion chamber. The walls of the combustion chamber are protected from the...
5762746 Method of internally insulating a propellant combustion chamber  
A composition consisting essentially of a polyphosphazene binder having the following repeating units: ##STR1## wherein n is from about 20 to about 50,000, A is selected from --O-- and --NH--, and...
5735118 Using metal complex compositions as gas generants  
Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral...
5727368 Hybrid motor system with a consumable catalytic bed a composition of the catalytic bed and a method of using  
A method, device and composition for achieving ignition and sustained combustion using a solid consumable catalytic bed (CCB) is described. The CCB accomplishes this by decomposition of an injected...
5711146 Hydrogen peroxide decomposition  
A method for decomposing hydrogen peroxide which comprises contacting the hydrogen peroxide with a catalyst having a surface consisting of a mixture of ruthenium with at least one metal of the...
5582001 Hybrid rocket combustion enhancement  
The combustion of a hybrid engine is improved by continuously injecting into a precombustion chamber a hypergolic fluid such as triethyl aluminum which exothermically reacts with and vaporizes the...
5579634 Use of controlled burn rate, reduced smoke, biplateau solid propellant formulations  
Solid rocket motor propellant formulations are provided which are capable of burning at at least two selected burn rates. The burn rate is controlled by controlling the pressure at which the...
5566543 PVC-based gas generant for hybrid gas generators  
The amount of particulate matter that is forced into the passenger compartment of an automobile by the deployment of an air bag as it protects the lives of occupants is reduced by improving the...
5487267 Suppression of infrared radiation emissions from jet engines  
A reduction in the emission of infrared radiation by the engine of a jet aircraft can be achieved by employing a low molecular weight monohydric alcohol, having a luminometer number of at least...
5485722 Catalytic decomposition of hydroxylammonium nitrate-based monopropellants  
This invention relates to a process for the catalytic decomposition of HAN-based monopropellants using a platinum group or transition metal group catalyst that is preferably a supported metal...
5339625 Hybrid rocket motor solid fuel grain  
A hybrid rocket motor includes a solid propellant fuel grain component which incorporates fuel strengthening agents or mechanical retention devices. In one embodiment, the hybrid fuel formulation...
5339624 Ramjet propellants  
The present invention relates to a general method for increasing the energy conversion from metal-containing rocket and ramjet propellants. According to the invention, this is achieved by means of...
5220110 Catalysts  
Shaped particles, comprising a calcium aluminate cement and at least one oxide of a Group VIII metal M selected from nickel and cobalt, said particles containing 10 to 70% by weight of said Group...
5099645 Liquid-solid propulsion system and method  
A liquid-solid propulsion system having a tank of liquid oxygen and a high pressure chamber loaded with solid grain fuel with a portion of the liquid oxygen being passed through a heat exchanger to...
5085717 Autopyrolyzable composition for aerobic propulsion, the oxidizing agent of which is an explosive  
An autopyrolyzable solid composition for aerobic propulsion consists essentially of an oxidizing agent, a binder and a crosslinking agent. The oxidizing agent is a nitrated explosive material...
H001007 Solid fuel ramjet combustor  
In a solid fuel ramjet in which a fluid flow boundary layer extends along a urning fuel grain and receives combustible material liberated from the grain, exciting oscillations in air flowing toward...
4911795 Method of preserving a composite material cased solid propellant rocket motor  
A solid propellant rocket motor casing fabricated from strong filament in a matrix of curable polymer known in the trade as a composite motor casing is protected against permeation therethrough...
4840025 Multiple-propellant air vehicle and propulsion system  
A woven, silicon carbide fiber inner wall forms a combustor liner and a nozzle throat liner, and a woven silicon carbide fiber outer wall is spaced from the inner wall to form a fuel passageway....
4756248 Low mass grain support system for solid propellant rocket motors  
A reinforced split-flap hinge for supporting the unpressurized propellant grain of a rocket motor in a high acceleration environment includes a circular piece of material and an afterwardly spaced...
4698965 Hot gas source and fuel therefor  
A method, apparatus and the fuel therefor for creating a hot gas jet hydrogen peroxide in a maximum aqueous solution of 55% to which is added a burnable substance. The mixture is passed through a...
4658578 Igniting rocket propellants under vacuum conditions  
Improved igniter compositions for rocket motors are provided which, when cured, are non-volatile and are capable of igniting under vacuum conditions and burning steadily at reduced pressures. Said...
4642983 Chemical releasing flash suppressor  
A method and design are disclosed for the introduction of ammonia gas into he rocket motor gas environment wherein the ammonia gas functions to suppress the flash signature. The firing and...
4620415 Method for initiating decomposition of hydrazine fuels  
A method for initiating the decomposition of hydrazine fuels by bringing the fuel into contact with an initiator selected from the group consisting of iodates and periodates of metals from groups...
4574700 Solid rocket motor with nozzle containing aromatic amide fibers  
A solid rocket motor is provided which comprises a rocket case and a centrally ported propellant grain comprising a main portion and a nozzle portion, wherein the main portion is a shaped and cured...
4420931 Method of generating combustion gases utilizing polynorborene-based combustible compositions  
Polynorbornene has been found to be an excellent binder for the preparation of solid fuel materials and solid propellants. Mixtures of polynorbornene with liquid fuel materials such as kerosene,...
4407119 Gas generator method for producing cool effluent gases with reduced hydrogen cyanide content  
Incorporation of various flame coolants, particularly ferrous oxalate, cupric oxalate and submicron size Fe 3 O 4 in N,N'-dihydroxyethane diamide containing gas generants results in cooler flame...
4318270 Additives for suppressing the radar attenuation of rocket propellant exhaust plumes  
A method for reducing radar attenuation caused by the formation of free etrons in the exhaust plume of a combusting high impulse rocket propellant which comprises contacting a microwave attenuation...
4263071 Additive for reducing combustion instability in composite solid propellants  
The addition of copper phthalocyanine to composite solid propellant compositions has been found to substantially reduce the tendency toward combustion instability of the propellant. The invention...
4206006 Hybrid rocket propellant with nitroso derivative of hexamethylene tetramine  
A rocket fuel is formed by mixing a liquid prepolymer of butadiene having carboxyl groups with hexamethylene tetramine or a nitroso derivative thereof, shaping and hardening.
4161104 Ignition of hydrazine-type monopropellants  
In a gas generator system, a process for producing gases from hydrazine type monopropellants by the ignition of said propellants by silver nitrate or a mixture of silver nitrate with copper...
4157270 Hydrogen gas generator from hydrazine/ammonia  
A catalyst bed containing alumina pellets on which an active catalyst metal selected from iridium, nickel, niobium, and molybdenium has been deposited is employed to decompose a compound selected...
4124538 Catalyst comprising Ir or Ir and Ru for hydrazine decomposition  
1. A catalyst for hydrazine decomposition consisting essentially of a carrier having a pore volume of at least 0.1 cubic centimeters per gram and a specific surface area, measured in square meters...
4122671 Hydrazine decomposition and other reactions  
This invention relates to the catalytic decomposition of hydrazine, catalysts useful for this decomposition and other reactions, and to reactions in hydrogen atmospheres generally using...
4115999 Use of high energy propellant in gas generators  
Thin pieces of high energy propellant are potted in a potting material such s isocyanates cured hydroxy terminated polybutadiene, hydroxy terminated polybutadiene, polyurethane, polyester or...
4094917 Process for the production of exo-exo hexacyclic dimer of norbornadiene  
Process involves the continuous production of exo-exo stereoisomer of the hexacyclic dimer of norbornadiene using a three component catalytic system of diethylaluminum chloride, ferric...
4094916 Process for the production of endo-endo hexacyclic dimer of norbornadiene  
Process involves the continuous production of endo-endo stereoisomer of the hexacyclic dimer of norbornadiene using a three component catalystic system of diethylaluminum chloride, ferric...
Matches 1 - 50 out of 182 1 2 3 4 >