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Match Document Document Title
8141338 Device for injecting mono-propellant at a flow rate that can be modulated with an injection speed that is stable  
The injector device for injecting a liquid mono-propellant with a large degree of flow rate modulation and an injection speed that is stable, and that is closable for extinction and re-ignition...
7757476 Catalytically activated transient decomposition propulsion system  
A catalytically activated transient decomposition propulsion system provides thrust by decomposing flow controlled propellant in contact with a catalyzing agent using a fixed volume of liquid...
7665292 Thruster with electro-thermal thrust augmentation  
A thruster for exo-atmospheric vehicles with electro-thermal thrust augmentation and having internally embedded heating elements for direct contact heating of gaseous products released by a...
6663680 Emulsion fuels and their use in gas turbines  
A gas turbine is driven by combustion of a fuel which is a hydrocarbon oil-in-water emulsion. Successful operation is achieved with minimized corrosion of turbine blades by keeping the Na+ content...
6532741 Gas generator for producing adjustable flow  
A gas generator, comprising a catalyst section and a mixer section. The catalyst section has openings through which a material enters and reacts with a catalyst to decompose and to produce heat....
6273711 Low velocity detonation trap for monopropellant fuel systems  
A Low Velocity Detonation (LVD) trap having acceleration, detonation and High Velocity Detonation (HVD) trap zones. The primary function is to prevent the propagation of LVD explosions in...
6032460 Torpedo with external combustion engine for use with concentrated fuel  
A vehicle for self-propelled travel through a body of water includes a hull, a propulsive element for engaging the water, an engine, and a fuel storage container. The engine includes a combustion...
5819526 Low power arcjet propellant feed system  
A lower power arcjet propellant feed system for delivering propellant to a low power arcjet. The low power arcjet propellant feed system includes a liquid propellant storage chamber for storing a...
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...
5697212 Rocket propellant tank self-pressurization  
A device for pressurizing at least one propellant tank feeding the combustion members of a space vehicle, the tank(s) being connected to one or more pipes for feeding said combustion members, and...
5572865 Satellite propulsion and power system  
In the preferred embodiment of the invention, a cooled bipropellant thruster 70 for controlling the on-orbit position and orientation of a spacecraft is provided. The cooled bipropellant thruster...
5568723 Long life catalytic gas generator for space propulsion applications  
A catalytic gas generator for an electrothermal thruster comprises a catalyst chamber, a capillary propellant tube communicating to the chamber and a tubular thermal standoff connecting the tube to...
5485721 Arcjet for a space flying body  
A thermal arcjet propulsion plant is particularly constructed for position and orbit corrections in a space flying body or spacecraft. A housing forms an anode and an expansion nozzle. An elongated...
5477672 High-temperature, high-pressure gas generation apparatus for turbine drive  
The apparatus of the present invention is configured of a combustion gas creation portion for creating a combustion gas comprising oxygen and water vapor from the decomposition of a low...
5291731 Torpedo with external combustion engine having an expansion chamber  
An external combustion engine having a combustion expansion chamber. The ine includes a combustion chamber for generating a high-pressure, energized gas from a monopropellant fuel, and a cylinder...
5285633 Coolant subsystem for a torpedo propulsion system  
A coolant subsystem for a torpedo propulsion system having an external costion expansion engine. The coolant subsystem includes a valve which provides for one-way flow through the coolant...
5253473 Heat regenerative external combustion engine  
A heat regenerative external combustion engine is disclosed herein. The ene includes fuel inlet means which extends along the exhaust passage and/or combustion chamber in order to preheat the fuel....
5224343 Constant fuel supply device for a thruster  
In a fuel supply system for a space missile or a spacecraft in which the thrusters are supplied with liquid or gaseous fuel from a fuel tank in which the tank pressure decreases continuously during...
5175996 Apparatus for propellant flow control at low mass flow rates in zero G environment  
An apparatus for use in space environments to control the flow of a propellant to a thruster at a low mass flow rate comprises an insulated body having a cavity therein defining a vaporizing...
5170623 Hybrid chemical/electromagnetic propulsion system  
A hybrid chemical/electromagnetic propulsion system which combines thermal expansion of a chemically-reacted propellant with electromagnetic acceleration of the propellant to provide an efficient...
5026259 Miniaturized pressurization system  
The invention uses a fluid stored at a low pressure and provides the fluid at a high pressure. The invention allows the low pressure fluid to flow to a fluid bore of a differential pump and from...
4938932 Monolithic high activity catalyst bed for a catalytic gas generator  
A monolithic catalyst bed for use in a catalytic gas generator includes catalytically-active metal screens having central openings and being composed of fine particles of catalyst supported by...
4856271 Gas generator and generating method employing dual catalytic and thermal liquid propellant decomposition paths  
A propulsive power-producing system has a vessel defining a pressure chamber and an injector and a thrust-producing nozzle communicating with the chamber at respective upstream and downstream ends...
4819431 Method of and system for controlling a fluidic valve  
A method of controlling the flow of gas emerging from the outlet of a fluidic vortex valve, the method comprising feeding a supply fluid to an inlet of the vortex chamber associated with the...
4759178 Aircraft auxiliary power unit  
An aircraft auxiliary power unit that starts and operates at all operational flight altitudes of an aircraft. The unit can provide constant power output irrespective of altitude and additional...
4730449 Radiation transfer thrusters for low thrust applications  
A thruster assembly is disclosed which includes a removable filament mounted in a heat exhange cavity which isolates propellent from the filament and transfers energy from the filament to the...
4656828 Augmentation heater temperature control system  
A control system to maintain a given temperature at a thruster heater resistance element coupled to a battery bus is provided by periodically disconnecting the main power to the resistance element...
4635885 Space maneuvering vehicle control thruster  
Disclosed is a single control thruster having the expanded capability of operating at various thrust levels and more than one propellant fluid so that the number of control thrusters for a...
4583361 Heater protection of thrusters  
A thruster (10) including a heater (65) remote from the location of propellant decomposition, includes a means such as a thermal diode heat pipe for conducting heat unidirectionally, from the...
4578946 Hydrazine fuel catalytic gas generator and injector therefor  
A single-piece thermally isolated multi-point injector for a hydrazine fuel catalytic gas generator having a series of integral feed tubes each with a fuel passage and with the fuel inlet ends...
4554784 Emergency power unit and method  
An emergency power unit method and apparatus with means for inhibiting vibration of the catalyst bed while permitting spring loading thereof, and for automatically compensating for movement of the...
4523429 Cold start surge current limiting system for a hydrazine thruster augmentation heater  
An electrothermal hydrazine thruster passes the hydrazine through a catalyst bed and an augmentation heater. The augmentation heater includes an electrical heating element powered by a satellite...
4517798 Porous catalytic metal plate degeneration bed in a gas generator  
A gas generator for passing pressurized liquid monopropellants therethrough or causing exothermic decomposition of the monopropellants. A porous catalytic metal plate is used as the degeneration...
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...
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...
4489549 Gas generator with ratchet no-back and method  
A gas generator having a one-way ratchet assembly is disclosed which compensates for compaction and degradation in the catalyst bed to reduce destructive oscillatory vibration in the gas generator,...
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...
4461144 Electrothermal gas thrust units  
An electrothermal gas thrust unit for a space vehicle has a thrust chamber with an extension tube extending upstream therefrom. An injector tube leads into the extension tube and a diaphragm...
4288982 Low thrust monopropellant engine  
A low thrust monopropellant engine having a conventional body and nozzle configuration wherein the monopropellant fuel is fed into the thruster with dual injection tubes via an injector shell with...
4282903 Steam cleaning machine  
A steam cleaning machine comprises a steam generator system including a tank for fuel, such as propane, a detergent tank, and connections to sources of air under pressure and water. A hand-held...
4211072 Device for the thermal decomposition of liquid fuels  
Device for the thermal decomposition of liquid fuel in which the fuel is roduced into a recess in a porous body of metallic foam material contained in a closed housing. The latter may be a combined...
4189916 Vehicle system for NaK-water-air internal combustion engines  
In a vehicle having an engine which derives power from a reaction of NaK and water in the presence of air, NaK hydroxide is a reaction product in the form of particulates suspended in an exhaust...
4162292 High pressure hydrazine gas generator  
A high pressure hydrazine gas generator having a decomposition chamber which contains therein an initiator of I2 O5 crystals and a plurality of heat retaining balls. The liquid hydrazine which is...
4120151 Solid propellant pressurization of monopropellant fuel powered system  
A pressurization system for a positive explosion tank in a monopropellant fuel powered system having a solid propellant device used to provide the gas pressure in the positive expulsion tank. A...
4092824 Method of operating a turbine  
A gas turbine for starting an aircraft engine and for driving auxiliary equipment, being normally run by combustion, receives decomposition gases of hydrazine, selectively on a standby basis,...
4091769 Non-air breathing option for an internal combustion engine  
An internal combustion engine having an auxiliary monopropellant fuel supply for operation where reliance on atmospheric air for support of combustion would be undesired or not feasible. The...
4069664 Monopropellant thruster  
Monopropellant thruster has liquid hydrazine distribution nozzles of such structure as to direct streams of liquid hydrazine into hydrazine decomposition catalyst without puddling and without...
4059415 Apparatus for reforming combustible into gaseous fuel by reaction with decomposition product of hydrogen peroxide  
Apparatus for converting a combustible material such as a hydrocarbon or carbon fuel into a gaseous fuel containing H2 and/or CO by reaction with a heated mixture of O2 and H2 O prepared by...
4047380 Combustion system using dilute hydrogen peroxide  
A combustion system using a dilute hydrogen peroxide(H2 O2) solon as an oxidizer. The system uses the concept of Liquid Phase Extraction and eliminates part of the water produced during the...
4033115 Emergency hydraulic power system (start bottle)  
An emergency hydraulic power system for aircraft which becomes operable upon aircraft engine failure includes a hot gas turbine for driving a hydraulic pump, a decomposition chamber to provide hot...
Matches 1 - 50 out of 127 1 2 3 >