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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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8126595 |
System and method for controlling hydronic systems having multiple sources and multiple loads
A system and method are provided to control hydronic systems having a plurality of sources, including at least one of an on-demand source, a semi-on-demand source, and an intermittent source that...
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8097972 |
Gas turbine with magnetic shaft forming part of a generator/motor assembly
A gas turbine engine including a first shaft being one of a main shaft concentrically mounted to at least one turbine rotor and a tower shaft directly driven by the main shaft and extending...
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8074439 |
System, method and apparatus for lean combustion with plasma from an electrical arc
The present invention provides a plasma arc torch that can be used for lean combustion. The plasma arc torch includes a cylindrical vessel, an electrode housing connected to the first end of the...
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8041461 |
System and method for controlling hydronic systems having multiple sources and multiple loads
A system and method are provided to control hydronic systems having a plurality of sources, including at least one of an on-demand source, a semi-on-demand source, and an intermittent source that...
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8033095 |
Drive device on the basis of a gel-type propellant and method for conveying propellant
In order to make a drive device available on the basis of a gel-type propellant, in particular, for a flying object, comprising at least one tank for gel-type propellant, a combustion chamber and a...
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8024917 |
Multi-functional power supply for a hall thruster
A multi-functional power supply system for a Hall thruster including a thruster assembly for providing a plasma discharge and a cathode assembly for providing electrons. The cathode assembly...
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7848853 |
System and method for controlling hydronic systems having multiple sources and multiple loads
A system and method are provided to control hydronic systems having a plurality of on-demand sources, semi-on-demand sources, and intermittent sources that are fluidly or thermally coupled to a...
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7808353 |
Coil system for plasmoid thruster
A coil system for a plasmoid thruster includes a bias coil, a drive coil and field coils. The bias and drive coils are interleaved with one another as they are helically wound about a conical...
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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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7703273 |
Dual-mode chemical-electric thrusters for spacecraft
Spacecraft thrusters capable of dual-mode operation, and a method of applying propulsion to a spacecraft using a dual-mode thruster are provided. In one embodiment, the thrusters of the current...
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7690187 |
Modular micropropulsion device and system
A modular propulsion system includes an array of micromachined field effect electrostatic propulsion devices, each of which is an assembled micromachined device including an array of field effect...
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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...
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7645969 |
Low voltage device for the generation of plasma discharge to operate a supersonic or hypersonic apparatus
A method, device, and projectile having a device for guiding or piloting projectiles or missiles (self-propelled or non-self-propelled), to deflect, in a direction Y, a hypervelocity projectile...
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7543441 |
Hall-effect plasma thruster
A plasma thruster having a magnetic circuit of a downstream bottom plate from which arms protrude. At least one of the arms includes a permanent magnet. The mass, overall dimensions, electricity...
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7540143 |
Boiler and pressure balls monopropellant thermal rocket engine
The proposed technology is a rocket engine cycle utilizing as the propulsive fluid a low molecular weight, cryogenic fluid, typically liquid hydrogen, pressure driven, heated, and expelled through...
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7530218 |
Pulsed plasma thruster using vapor
A pulsed plasma thruster (PPT) and a method of making the PPT are disclosed. The PPT includes no moving parts and can be made in a small size. The PPT can achieve long operating duration by using...
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7530219 |
Advanced pulsed plasma thruster with high electromagnetic thrust
A pulsed plasma thruster provides for an advanced lightweight design with solid propellant and predominately electromagnetic thrust in a coaxial geometry. Electromagnetic forces are generated in a...
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7506497 |
Electric propulsion device for high power applications
An electric propulsion device is disclosed having an anode and a cathode. The propulsion device includes a discharge annulus having the anode adjacent an end region thereof. At least one inlet...
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7302792 |
Pulsed plasma thruster and method of making
A pulsed plasma thruster (PPT) and a method of making the pulsed plasma thruster are disclosed. The PPT includes no moving parts and is able to achieve a small size. The PPT is also designed to...
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7181320 |
Systems, methods and computer program products for continuous emissions monitoring on-line
Systems, methods and computer program products provide secure access to real-time emissions data from one or more power generating plants via a web-based interface. The user provides log-in...
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7118075 |
System and method for attitude control and station keeping
A system and method for supplying thrust to a structure, such as a satellite or spacecraft, for the purposes of station keeping and attitude control of the structure in low-gravity (orbital) and...
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7096660 |
Plasma impulse device
A plasma impulse device/method has been developed to provide impulses that can be used for thrust. A field device produces electric and magnetic fields, which E×B drifts a charged portion in the ...
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7080504 |
Laser augmented turbojet propulsion system
The invention is a turbojet propulsion system which includes a compressor section, a turbine section coupled by a shaft to the compressor section, a combustion section mounted between the...
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7073319 |
Nuclear-fueled power generating system
An apparatus for generating electricity that uses at least one jet-type engine fueled with fissile material. The nuclear fueled jet engine is affixed to a connecting member that projects from a...
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7059111 |
Thruster apparatus and method
A thruster for use with an external power supply. The thruster includes a propellant that exists in a non-gaseous state at standard temperature and pressure and has a melting point Tm, a boiling...
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7003941 |
Thruster device responsive to solar radiation and associated methods
A thruster device and associated methods are provided. The thruster device comprises a frustoconical inner layer and a frustoconical outer layer that surrounds the inner layer such that the inner...
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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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6993898 |
Microwave heat-exchange thruster and method of operating the same
A propulsion system is disclosed that uses microwaves originating from a ground-based or on-board source to provide energy for propulsion. The energy produces thrust by coupling into a propellant...
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6971228 |
Propulsion device, in particular for a rocket
The invention relates to a propulsion device comprising a gas ejection nozzle and an injection chamber for injecting at least one propellant fluid. According to the invention, the device has an...
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6960888 |
Method of producing and accelerating an ion beam
A method of producing and accelerating an ion beam comprising the steps of: providing a magnetic field with a cusp that opens in an outward direction along a centerline that passes through a vertex...
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6946081 |
Desalination system
The invention provides methods and an apparatus for more efficiently and economically producing purified water from sea water or some other salty or brackish water source. The efficiency is derived...
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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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6876714 |
Device for heating gas from a thin layer of nuclear fuel, and space engine incorporating such device
A gas, e.g. hydrogen, at relatively low pressure is directly heated by the fission fragments (FF) emitted by a thin layer of fissile material, e.g. 242mAm, deposited on the inner wall of a chamber...
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6834492 |
Air breathing electrically powered hall effect thruster
An air/atmosphere breathing electrically powered Hall effect thruster including a thruster duct having an inlet, an exit, and a discharge zone between the inlet and the exit for receiving air from...
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6774532 |
Self-powered microthermionic converter
A self-powered microthermionic converter having an internal thermal power source integrated into the microthermionic converter. These converters can have high energy-conversion efficiencies over a...
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6769241 |
Description of methods to increase propellant throughput in a micro pulsed plasma thruster
Propellant modules for Micro Pulsed Plasma Thrusters, and techniques for bundling propellant modules and for using a two-stage discharge process to increase MicroPPT propellant throughput, and...
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6644014 |
Electric thruster and thrust augmenter
An electric thruster and thrust augmenter is disclosed in which intaken or compressed atmospheric gas or reaction thruster exhaust is passed through a gap space between electrodes so that the...
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6619028 |
Electric thruster made with surface treatments for improved thermal management
An electric thruster has at least a portion of a surface of at least one of the component elements of its housing surface treated to increase the thermal transmission at the surface. The surface...
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6609363 |
Iodine electric propulsion thrusters
The invention provides an improved spacecraft thruster, either Hall effect or ion effect, using gaseous propellant converted from solid iodine. A heated tank contains iodine crystals, which tank...
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6594984 |
Combined thrust and power generator for a satellite
A combined generator device for use in a satellite capable of generating electrical power and thrust from an optical solar image. The combined generator includes a first receiver positioned to...
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6574951 |
Solar thermal rocket
A modular solar thermal rocket that receives and absorbs solar energy and then acts as a heat exchanger to provide propulsive thrust. Thermal energy storage modules receive and store solar energy...
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6539703 |
Spacecraft component with microthruster actuation and operation thereof
A spacecraft component (20) includes a plurality of parts, e.g., a first part (22) and a second part (23) connected to one another, at least the first part (22) being mounted for movement with...
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6530212 |
Laser plasma thruster
A spacecraft thruster and propulsion method comprising a laser directed at an ablation target, wherein when the laser is operating, material ablates from the ablation target, thereby generating a...
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6385963 |
Optical system for generating endothermic fuel for use in a propulsion producing engine
The optical system includes an optical source capable of producing light having physical characteristics sufficient for optically driven chemical disassociation of a fuel; and, an optical delivery...
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6367243 |
Atomic-based combined cycle propulsion system and method
A method and system are provided for propelling an aerodynamic vehicle into space. The aerodynamic vehicle uses a nuclear-based thermal rocket (NTR) propulsion system capable of producing a...
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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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6334302 |
Variable specific impulse magnetoplasma rocket engine
An engine is disclosed, including a controllable output plasma generator, a controllable heater for selectably raising a temperature of the plasma connected to an outlet of the plasma generator,...
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6311476 |
Integral propulsion and power radiant cavity receiver
A solar thermal engine for propelling and powering a craft. The solar thermal engine includes a housing, a propellant annulus, a plurality of static power converters and an electrical energy...
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6295804 |
Pulsed thruster system
A thruster system includes a power supply and a pulse forming circuit coupled to the power supply. The pulse forming circuit includes a capacitor and first and second diodes. The positively-charged...
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