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8161725 |
Compact cyclone combustion torch igniter
A torch igniter and method of cooling the torch igniter includes axially flowing a first stream of gaseous oxidizer through a torch throat and vortically flowing a second stream of the gaseous...
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8122701 |
Electrostatic colloid thruster
An electrostatic colloid thruster for implementing a method of ionizing a liquid is disclosed herein. The electrostatic colloid thruster includes an electrically conductive extractor having a...
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7997059 |
Propulsion system
A propulsion system for use in a liquid or gas fluid is provided including an axially-extending funnel-shaped conduit, a flow generator, a power source, and, optionally, an airfoil-shaped wing. The...
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7997510 |
Systems, methods and apparatus for propulsion
In some embodiments a propulsion system includes a thrust chamber having an inside wall, an expansion nozzle mounted to the thrust chamber and having an interior and having an exterior, a main...
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7980057 |
Integral composite rocket motor dome/nozzle structure
An integral composite rocket motor nozzle. The novel nozzle includes a first layer of a first reinforcement material, a second layer of a second reinforcement material, and a common matrix material...
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7968620 |
Rocket motors incorporating basalt fiber and nanoclay compositions and methods of insulating a rocket motor with the same
An insulation composition that comprises at least one nitrile butadiene rubber, basalt fibers, and nanoclay is disclosed. Further disclosed is an insulation composition that comprises...
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7836678 |
Propulsion system
A propulsion system for use in a liquid or gas fluid is provided including an axially-extending funnel-shaped conduit, a flow generator, a power source, and, optionally, an airfoil-shaped wing. The...
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7828546 |
Naturally aspirated fluidic control for diverting strong pressure waves
A pulse detonation device for dividing a pulse detonation shock wave into an primary and control portion to reduce the strength of a propagating shock wave and/or change its direction. The device...
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7762078 |
Nozzle with temperature-responsive throat diameter
Nozzles that offer shape variability to maintain or purposely change the pressure drop across the throat are obtained by constructing the nozzles with components that change their shape, angle, or...
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7743601 |
Resistojet
The invention concerns an electrothermal thruster (1) comprising a heating section (20) through which a propellant fluid (4) is intended to pass so that it is heated before it is exhausted, the...
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7578452 |
Ablative composite assemblies and joining methods thereof
A cured ablative composite assembly comprises a housing enclosing a pair of ablative composite sub-assemblies joined by a film adhesive. The cured ablative composite assembly is made by surface...
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7565795 |
Piezo-resonance igniter and ignition method for propellant liquid rocket engine
An ignition system for a rocket engine utilizes the pressure energy in a propellant flow. The propellant flow generates an oscillating pressure force in a resonance system which is then transmitted...
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7565797 |
Systems and methods for varying the thrust of rocket motors and engines while maintaining higher efficiency using moveable plug nozzles
The thrust of a rocket motor can be varied while maintaining efficiency over a range of pressure ratios using a design that allows for changing the relative position of a plug and a combustion...
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7503165 |
Hybrid propulsion system
Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one...
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7471996 |
Control system for an aircraft engine
In an electronic control system, three-dimensional data sets (data cubes L11-L14) for different power-limiting engine parameters are stored at different engine ratings for setting a respective...
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7458201 |
Propulsion device with enclosed plenum
A propulsion device contains a working mass within an enclosed plenum, where the working mass is recirculated through the plenum to produce a net force vector. The working mass is accelerated...
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7404288 |
High propulsion mass fraction hybrid propellant system
Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. The system...
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7358314 |
Polybenzoxazole-filled nitrile butadiene rubber compositions
An insulation composition that comprises at least one nitrile butadiene rubber (“NBR”) having an acrylonitrile content that ranges from approximately 26% by weight to approximately 35% by wei...
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7299636 |
Extendible exhaust nozzle bell for a rocket engine
An exhaust nozzle bell for a rocket engine including a first part arranged on a motor of the rocket engine, and a second part coupled to the first part. The second part having a stowed position in...
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7296396 |
Method for using variable supersonic Mach number air heater utilizing supersonic combustion
A supersonic combustion apparatus and method for using the same including a fixed geometric nozzle having a converging area, throat, and a diverging area, at least one fuel injection means and at...
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7047722 |
Small scale hybrid engine (SSHE) utilizing fossil fuels
This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem...
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7002126 |
Projectile steering by plasma discharge
A device and method for guiding or steering projectiles (self-propelled or non-self-propelled), or missiles, and for steering a supersonic projectile, or a missile, having a nose, generally in the...
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6983587 |
Method and apparatus for thrust augmentation for rocket nozzles
A method and apparatus for augmenting thrust in a rocket traveling through atmospheric gas. Rocket motor designs are provided where a throat(s) from one or more rocket motors eject high-speed...
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6968673 |
Cool gas generator and ultra-safe rocket engine
A gas generator or rocket engine includes: a first storage tank configured to contain a high-pressure liquid propellant; a nozzle connected to the first storage tank; a heat source connected...
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6964396 |
Automatic accel voltage tracking system for an ion thruster
A voltage tracking system for an ion thruster includes a discharge chamber, a screen grid, an accelerator grid, and an accelerator grid voltage controller. The discharge chamber contains plasma at...
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6960975 |
Space vehicle propelled by the pressure of inflationary vacuum state
A space vehicle propelled by the pressure of inflationary vacuum state is provided comprising a hollow superconductive shield, an inner shield, a power source, a support structure, upper and lower...
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6948307 |
Rocket engine nozzle that is steerable by means of a moving diverging portion on a cardan mount
The nozzle comprises a moving diverging portion (20) and a static portion (16) secured to the rear end wall of the combustion chamber (12) of the engine. A cardan mount jointed link device connects...
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6948306 |
Apparatus and method of using supersonic combustion heater for hypersonic materials and propulsion testing
A supersonic combustion apparatus and method of using the same including a side wall cavity having an enhanced mixing system with ground-based oxygen injection for hypersonic material and engine...
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6901740 |
Engine with a central spike for a space launcher
The pointed end of a central spike, used in an engine of a space launcher, may have a deformable structure that can adopt either a folded position or a deployed position.
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6892525 |
Micropump-based microthruster
A thruster for providing thrust for spacecraft positioning, which has a propellant reservoir for storing propellant, a reaction chamber for discharging a vapor for providing thrust, a pump module...
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6886327 |
NiAl-based approach for rocket combustion chambers
A multi-layered component, such as a rocket engine combustion chamber, includes NiAl or NiAl-based alloy as a structural layer on the “hot” side of the component. A second structural layer is for...
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6832471 |
Expander cycle rocket engine with staged combustion and heat exchange
In a supersonic nozzle incorporating injectors and a combustion chamber as part of an expander cycle rocket engine, the oxidizer is injected in two streams. One of the streams, preferably a small...
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6786036 |
Bimodal fan, heat exchanger and bypass air supercharging for piston or rotary driven turbine
The present invention relates to turbine fan aircraft use. In particular, the present invention is directed toward a turbine fan driven by a piston or rotary (e.g., Wankel) engine. The present...
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6787586 |
EPDM rocket motor insulation
A novel and improved EPDM formulation for a solid propellant rocket motor is described wherein hexadiene EPDM monomer components are replaced by alkylidene norbornene components, and, with...
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6620519 |
System and method for inhibiting corrosion of metal containers and components
A method and system for inhibiting corrosion of aluminum and other metal-containing components and structures exposed to water is disclosed. In one embodiment, the silicate solution is used as a...
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6492784 |
Propulsion device and method employing electric fields for producing thrust
Thrust is provided to a vehicle using a self-contained device for producing the thrust through a preselected shaping of an electric field. The device includes a core carried by a housing, with both...
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6487844 |
Aerospike augmentation of microthruster impulse
A microthruster (11) provides a small unit force. The microthruster is useful, for example, as a propellant for a microsatellite. The microthruster includes an aerospike (12) extending outwardly...
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6432178 |
Apparatus to separate gas from a liquid flow
A gas arrestor separates entrained gas from a liquid medium. The gas arrestor is a porous member, such as a woven mesh screen having pores of a size sufficiently small to enable liquid transport...
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6408614 |
High-power pressure wave source
High-power pressure wave source for generating pressure waves that can be repeated by igniting a combustible fluid mixture and by increasing its rate of combustion up to detonation. The...
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6343464 |
Solar thermal rocket
A thermal solar rocket that includes a solar energy receiver having two sections (a thermal energy storage section and a direct gain section), a solar concentrator, and a propulsion nozzle. In one...
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6334301 |
Assembly of etched sheets forming a fluidic module
A modular subsystem of a fluidic system is formed by assembling a set of chemically etched sheets of material. The modular subsystem includes mechanical, electrical, and fluidic components. A...
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6290505 |
Ballistic performance simulator
Rocket/Missile flight simulation requires the thrust-versus-time profile of a rocket motor conditioned to a specific temperature. The use of program, preferably carried in an Excel spreadsheet, is...
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6209821 |
Apparatus and method for measuring air temperature ahead of an aircraft for controlling a variable inlet/engine assembly
The apparatus and method employ remote sensing to measure the air temperature a sufficient distance ahead of the aircraft to allow time for a variable inlet/engine assembly to be reconfigured in...
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6205378 |
Adaptive mass expulsion attitude control system
An attitude control system and method operative with a thruster controls the attitude of a vehicle carrying the thruster, wherein the thruster has a valve enabling the formation of pulses of...
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5746050 |
Gaseous product delivery system
There is provided a system for the delivery of a gaseous product to a reaction chamber. The system includes a fuel tank containing a hypergolic liquid displaced from the fuel tank by a pressurized...
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5711695 |
Gas-propelled toy with exhaust nozzle for gas cartridge
A gas-propelled toy comprises a vehicle body having opposed front and rear ends, a cartridge of pressurized gas carried by the vehicle body, the cartridge presents an elongated, tubular neck outlet...
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5459996 |
Hybrid solar rocket utilizing thermal storage for propulsion and electrical power
A solar rocket for propelling and powering the electronics of a spacecraft includes a black body cavity of thermal storage material. Propulsion tubes and a connected nozzle axially extend through...
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5197279 |
Electromagnetic energy propulsion engine
An electromagnetic energy propulsion engine system including a hollow housing having a front part (50) and a rear end part (4) of material transparent to the passage of electromagnetic fields,...
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5155992 |
Method and means for generating a force
A method and means for generating a force. A flared body is enclosed in a shroud to form one or more ducts of axially diminishing cross-section for accelerating and directing the discharge of a...
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5150571 |
Device for exposing or shutting off a turbo-engine on the intake air side of the engine
A stationary centerbody includes vaulted areas displaced substantially by 180° axially as well as along the circumference with respect to one another on its largest relative diameter. The vaulted ...
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