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7503511 Pintle injector tip with active cooling  
A bi-propellant rocket engine may include a primary propellant flowing in a central passageway, a secondary propellant flowing in a secondary passageway generally coaxial with central passageway...
7389636 Booster rocket engine using gaseous hydrocarbon in catalytically enhanced gas generator cycle  
A process and a system for delivering a propellant combination to a rocket engine is described. The process comprises the steps of providing a flow of a hydrocarbon propellant fuel, raising the...
7293402 Injection head for a liquid-propelled rocket engine  
An injection head for a liquid-propelled rocket engine has a plurality of first and second injection bores for injecting jets of first and second propellant constituents, respectively, into the...
7287725 Missile control system and method  
A missile includes a control system having divert and attitude control system thrusters with control valves. Each of the control valves has a nozzle plate having a plurality of small nozzles...
7257939 Sliding-action magneto-mechanical injector throttling device  
Sliding-Action Magneto-Mechanical Injector Throttling Device (SLAMMIT) provides on-demand, yet accurate, throttling of the mass flow of the fuel and/or oxidizer into the combustion chamber of a...
7137244 Reactor for decomposition of ammonium dinitramide-based liquid monopropellants and process for the decomposition  
The present invention relates to a reactor for the decomposition of ammonium dinitramide-based liquid monopropellants into hot, combustible gases for combustion in a combustion chamber, and more...
7124574 Method and apparatus for a substantially coaxial injector element  
A system to provide a two piece robust fluid injector. According to various embodiments, the fluid injector is a fuel injector for a combustion engine. The injector includes two coaxially formed...
6964154 Axisymmetric, throttleable non-gimballed rocket engine  
A rocket engine assembly is provided for a vertically launched rocket vehicle. A rocket engine housing of the assembly includes two or more combustion chambers each including an outlet end defining...
6915627 Rocket engine  
The invention concerns a rocket engine wherein the combustion chamber includes at least one first monolithic component made of a thermostructural composite material comprising a porous wall through...
6895743 Liquid propellant rocket motor  
The present invention provides a transpiration cooled rocket motor which operates at low combustion pressures, inherently provides stabilized combustion, and operates over a desired range of...
6865878 Hybrid rocket engine and method of propelling a rocket  
A hybrid rocket engine and a method for propelling a rocket utilizing a vortex flow field. The flow field includes an outer fluid vortex spiraling toward a closed end of the flow field generating...
6860099 Liquid propellant tracing impingement injector  
An injector for use with the rocket thruster has a plurality of fuel ports separated from a plurality of oxidizer ports. The oxidizer and fuel ports are paired together directing their respective...
6705076 Rocket thrust chamber  
Thrust chamber housing for a driving mechanism for space travel applications which is fastened to an injection head with its first end and which includes a combustion chamber housing of a highly...
6691504 Gaseous-fuel breathing rocket engine  
A gaseous-fuel rocket engine in which an expanding oxidizer driven turbine or electric motor drives the an axial gaseous-fuel turbine compressor. The oxidizer is subsequently injected into a...
6598385 Two stage gas pilot valve controlling gas flow to a reaction jet nozzle  
A multi-stage pilot valve is disclosed for selectively supplying a working fluid to and venting from a reaction jet main stage actuation chamber. In a preferred embodiment of the invention, the...
6591603 Pintle injector rocket with expansion-deflection nozzle  
The present invention provides a rocket engine ( 10 ) that is self-compensating on nozzle thrust coefficient for varying ambient backpressures. The rocket engine ( 10 ) includes a combustion...
6588199 High performance rocket engine having a stepped expansion combustion chamber and method of making the same  
An improved rocket engine combustion chamber including a first chamber having a first diameter and located intermediate to a propellant injector and a second chamber having a second diameter that...
6536208 Device for supplying fuel for a rocket propulsion unit and heat exchanger to be used in said device  
Device for supplying fuel for a rocket propulsion unit has a first and at least a second fuel circuit for respective different fuels. Each fuel is brought to an increased energy level by a pump and...
6519928 Process for the production of a transverse thrust in a flying object  
A process for the production of a transverse thrust in a flying object in which a defined quantity of a monergol propellent substance is introduced into a propulsion unit, which is arranged...
6502385 Tricoaxial injection element  
An injection element for a combustion component running on two propellants, includes a first, central injection channel, which is connectable to a first propellant supply for a first propellant,...
6381949 Rocket engine having a transition attachment between a combustion chamber and an injector  
A rocket engine has a combustion chamber, an injector, and an attachment between the combustion chamber and the injector. The attachment includes an annular metallic deposit joined to the chamber...
6370867 Throttleable rocket injector assembly  
A throttleable rocket injector assembly is disclosed wherein the flow of oxidizer into each of the oxidizer injectors is simultaneously regulated by a mechanical assembly mounted entirely within...
6298659 Vortex flow field and apparatus and method for producing the same  
A vortex flow field and an apparatus and a method to produce and sustain it. The flow field includes an outer fluid vortex spiraling toward a closed end of the flow field generating apparatus and...
6272847 Centrifugal direct injection engine  
A centrifugal direct injection engine having an open-ended compartment with a combustion chamber at a closed end thereof and an exhaust nozzle at its open end. The compartment is provided with a...
6269630 Rocket engine with internal chamber step structure  
A rocket engine includes a generally cylindrical annular combustion chamber, an injector attached to an injector end of the combustion chamber, a generally cylindrical annular step collar fitting...
6253539 Convective and turbulent shear mixing injector  
A method for using an injector to combust a first fluid and a second fluid comprises a directing the first fluid step and a shrouding step. The directing step comprises directing the first fluid in...
6244041 Liquid-propellant rocket engine chamber and its casing  
The invention relates to rocket engine manufacturing, and may also be used in aircraft engine manufacturing. A chamber comprises a casing, ignition means and a mixing head. The mixing head consists...
6244040 Gas generator for liquid propellant rockets  
A gas generator in particular for driving liquid-propellant rockets, having, a structural envelope, an outlet pipe, a cover connected to the structural envelope from the side opposite to the outlet...
6226980 Liquid-propellant rocket engine with turbine gas afterburning  
The engine comprises a chamber, fuel and oxidizer booster pumps, a turbopump unit, a gas generator, an electrically driven thrust regulator, and a fuel throttle. A programmable starting and...
6212878 Gas generator module  
The invention relates to the field of power machine building and may be used in mixing devices of gas generators for driving gas turbines, in particular, for liquid-propellant rocket engines. A gas...
6205770 Rocket engine  
A rocket engine comprises first and second rotary injectors for injecting respective fuel and oxidizer propellant components into a first combustion chamber, and the effluent therefrom drives a...
6185927 Liquid tripropellant rocket engine coaxial injector  
A tripropellant coaxial pintle injector for a rocket engine which enables smooth transitioning between two types of propellants that are adapted to be alternatively mixed with a third type of...
6145299 Rocket engine  
A liquid fuel rocket engine wherein the thrust producing exhaust of the engine is directed out of the engine in an annular fashion providing increased thrust and 360 degree thrust vectoring, while...
6138451 Rocket engine with combustion chamber step structure insert, and its fabrication  
A rocket engine has a combustion chamber formed of an annular wall made of an annular wall material, and an annular insert made of an annular insert material that is of substantially the same...
6116020 Injector for liquid fueled rocket engine  
An injector for liquid fueled rocket engines wherein a generally flat core having a frustoconical dome attached to one side of the core to serve as a manifold for a first liquid, with the core...
6112515 Device and process for fastening an injection element in the injection head of a rocket engine  
A device for fastening an injection element 4 with its foot 5 in a hole of a base plate 1 of an injection head 2 of a rocket engine, the foot 5 is tapered in steps up to its end. A first shoulder 7...
6082098 Ignition system for rocket engines  
An ignition system for a rocket engine which improves the reliability of engine re-ignition by supplying additional oxygen to the ignitor directly from the rocket engines main fuel/oxygen injector...
6014857 High fuel regression hybrid rocket motor  
A hybrid rocket motor having a multitude of radially inward directed miniature hybrid secondary combustion chambers within a single solid fuel block being oxidizer-fed by a single centrally...
5983626 Injection head for rocket engines  
An injection head for rocket engines, in the combustion chambers of which one or more liquid propellants are chemically reacted to generate thrust, with a plurality of injection elements as well as...
5941062 Pulse rocket engine  
A liquid propellant rocket engine comprising a chamber body connected to a converging/diverging thrust nozzle and to at least one lightly pressurized propellant feed duct, said body including a...
5857323 Rocket engine burner with porous metal injector for throttling over a large thrust range  
A rocket engine burner for throttling over a large thrust range from full thrust to very low thrust. The rocket engine burner comprises a propellant injector assembly, a combustion chamber, and an...
5787702 Propulsion plant operating on the basis of catalytic and/or chemical decomposition of a propellant  
A propulsion plant operating on the basis of a catalytic and/or chemical decomposition of a liquid propellant, is equipped with a so-called aspirator ring (19) that covers the exit openings of the...
5771579 Convective and shear mixing injector assembly  
This invention is related to a method of designing and fabricating an injector in which the oxidizer tubes are directly bonded to an injector face plate. This will eliminate the wandering of the...
5704551 Injection element of coaxial design for rocket combustion engines  
Injection element of coaxial design for rocket combustion engines and for operation with two propellants, at least one of which disintegrates into drops with difficulty only, comprising a central...
5661970 Thrust-generating device  
Thrust-generating device with rocket engines arranged in pairs opposite each other for multiple ignition as well as individual and group activation and with an amount of fuel sufficient for the...
5647201 Cavitating venturi for low reynolds number flows  
Disclosed is a low flow, low Reynolds number cavitating venturi. This cavitating venturi includes an inlet for receiving a liquid at an upstream pressure and an outlet for discharging the liquid...
5622046 Multiple impinging stream vortex injector  
Current state-of-the art injection methodologies for bipropellant engines ly on either impingement or turbulence to mix the fuel and oxidizer streams. The multiple impinging stream vortex injector...
5603213 Injection system with concentric slits and the associated injection elements  
The present invention relates to a parallel-sheet injector provided with a body about an axis to which there is coaxially connected at least one annular injection element comprising a central...
5566544 Rocket preburner injector with tailored gas temperature profile  
A method and apparatus for increasing the operating life of a turbopump turbine by reducing the temperature of the combustion products impinging the turbine blades adjacent the roots thereof while...
5456065 Injection element of coaxial design for rocket combustion chambers  
Injection element of coaxial design for rocket combustion chambers with a combustion chamber pressure of 3 to 30 bar and for operation with two hypergolically reacting propellants, with a central...
Matches 1 - 50 out of 328 1 2 3 4 5 6 7 >