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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
5148672 Pulse thruster  
A pulse thruster delivering electrically charged fuel attracted to a plate having an opposite charge where such fuel is ignited, causing an impulse force which process is repeated.
5100625 Apparatus for testing candidate rocket nozzle materials  
An apparatus for testing candidate rocket nozzle materials includes an elated member having a combustion chamber extending therethrough, with an inlet at the forward end of the combustion chamber...
5021270 Method for improving moisture barrier protection and electrostatic discharge protection of a composite material cased rocket motor  
The moisture or water vapor barrier protection of a composite pressure vessel suitable for use as a composite cased solid propellant rocket motor is improved by immersing the pressure vessel,...
4843814 Assembly for producing a propulsive force  
A body surrounded by a fluid is moved in a predetermined direction by a driving unit (1) which produces a negative pressure, whereby the fluid is sucked from the environment, the velocity of the...
4825644 Ventilation system for a nacelle  
A ventilation system for a nacelle 14 is disclosed. The ventilation system includes pressure relief doors 50 and 52, and a holdback device 68 which blocks each open door from moving from the open...
4760694 Bi-level thruster  
A compact, lightweight thruster assembly (10) is provided consisting of a dual armature piston assembly (24). A single solenoid coil (46) operates either or both armatures (26), (34) depending on...
4663932 Dipolar force field propulsion system  
A dipolar force field propulsion system having a alternating electric field source for producing electromotive lines of force which extend in a first direction and which vary at a selected...
H000219 Layered construction of composite interceptor motor cases, etc.  
Improved method of manufacturing composite rocket motor cases and laminated tructures is disclosed which includes a layered procedure wherein a high percentage of a highly flexibilized, low-modulus...
4602480 Threaded polar openings for composite pressure vessels  
A composite pressure vessel having a large diameter, threaded polar opening with integrally depending threads is disclosed. The threaded polar opening is reinforced by a winding pattern that...
4510377 Small cartridge heater  
A cylindrical core of a ceramic such as alumina (Al 2 O 3 ) has grooves in the form of a double lead thread. A coil of Nichrome V is placed in the grooves, starting in one lead of the thread and...
4505105 No-back gas generator and method  
An emergency power unit with a gas generator having a locking means which compensates for compaction and degradation in the catalyst bed to reduce destructive oscillatory vibration in the gas...
4504532 Phenolic blast tube insulators for rocket motors  
Phenolic insulators for blast tubes of rocket motors are disclosed. The insulators are rigid, low density bodies comprising 100 parts by weight crosslinked phenolic resin in which are dispersed...
4490972 Hydrazine thruster  
Hydrazine thruster 10 is mounted on support flange 14 with thermal mass 12 therebetween. The thermal mass 12 extracts sufficient heat so that the incoming hydrazine in inlet line 20, as well as...
4470258 Thruster for space vehicles  
A thruster particularly for maneuvering space vehicles is provided with a device for decomposing liquid fuel into gaseous components. It includes the decomposition chamber and a heating device...
4446695 Aircraft propulsion assembly  
An aircraft propulsion assembly in which a prime mover drives a rotating air stream generating element, situated in a generally circular housing that supports a ring shaped stator in which a number...
4426038 Non-radiating extendible cloth exit cone for rocket nozzles  
A non-radiating cloth exit cone for a rocket nozzle includes a flared woven refractory cloth structure having the shape of the frustum of a cone with a refractory felt sewn to the exterior surface...
4421806 Low density resin systems for improved filament-wound composites useful as rocket motor cases  
Filament-wound composite bodies are disclosed. These bodies contain filament-wound fibers and resin. The resin, when cured, has a density of less than 1.05 g/cc and exhibits a water pick up of less...
Matches 1 - 50 out of 121 1 2 3 >