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| Number | Title | Issue Date |
| 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 plurality of holes defined therethrough; an ultrasonic atomizer having an ... | 02/28/2012 |
| 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 cylindrical vessel such that a first electrode is (a) aligned with a lo... | 12/13/2011 |
| 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 heating section (20) being supplied by an el... | 06/29/2010 |
| 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 propellant, particularly hydrazine, so as to increase the Specific Impulse (... | 02/23/2010 |
| 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 a nozzle to generate high velocity and high specific impulse discharg... | 06/02/2009 |
| 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 vapor as a fuel. Liquid used to form the vapor can be easily stored an... | 05/12/2009 |
| 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 plasma by current flowing from a small central electrode to an electr... | 05/12/2009 |
| 7339447 | High-voltage transformer coil with acoustic wave guiding function The present invention relates to a high-voltage transformer coil with acoustic wave guiding function, which comprises a plurality of wound wires, an insulated material for packaging said wound wires to form a coil, a high-voltage connector formed on a side of said c... | 03/04/2008 |
| 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 facilitate easy and rapid manufacture. The process for making the PPT us... | 12/04/2007 |
| 7281367 | Steerable, intermittently operable rocket propulsion system A propulsion system including an extinguishable rocket motor and an incorporated maneuver control system. The rocket motor may be of the solid fuel type. One or more proportional axial thrust valves in communication with a pressure vessel or motor case containing a ... | 10/16/2007 |
| 7274015 | Capacitive discharge plasma ion source In a system for chemical analysis, an RF-driven plasma ionization device including a pair of spaced-apart and plasma-isolated electrodes, the electrodes are connected to a power source wherein the electrodes act as plates of a capacitor of a resonant circuit, the ga... | 09/25/2007 |
| 7269951 | Throat retention apparatus for hot gas applications A nozzle for use in a hot gas valve is provided that includes a housing, an insert, and a throat retainer. The housing is constructed of an insulating material and has a flow path formed therein. The flow path has a throat section. The insert is made of material cap... | 09/18/2007 |
| 7261915 | Electrohydrodynamic coating fluid delivery apparatus and method An apparatus and method for improved control of low viscosity fluid flow during electrohydrodynamic spray deposition of the fluid to coat small targets, such as medical devices like stents. The apparatus includes a target holder which applies a first electrical pote... | 08/28/2007 |
| 7246483 | Energetic detonation propulsion A propulsion system for creating a propulsive force has a combustion chamber, a pair of electrodes within the combustion chamber and a power supply attached to the electrodes to create a high voltage field within an initiation zone of the combustion chamber, and an ... | 07/24/2007 |
| 7232992 | Charged droplet sprayers Charged droplet spray is formed from a solution with all or a portion of the charged droplet spray current generated from reduction or oxidation (redox) reactions occurring on surfaces removed from the first or sample solution flow path. In one embodiment of the inv... | 06/19/2007 |
| 7216833 | In orbit space transportation and recovery system An In Orbit Transportation & Recovery System (IOSTAR™) (10). One preferred embodiment of the present invention comprises a space tug powered by a nuclear reactor (19). The IOSTAR™ includes a collapsible boom (11) connected at one end to a pr... | 05/15/2007 |
| 7178339 | Closed-loop cooling system for a hydrogen/oxygen based combustor A closed-loop cooling system is provided for a hydrogen/oxygen based combustor. A combustion reaction between hydrogen and oxygen in the combustor produces steam. The steam is used to generate work from a turbine shaft, which is used to drive a propulsion system for... | 02/20/2007 |
| 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 information to gain a predefined level of access based on the inputted log-i... | 02/20/2007 |
| 7166237 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/23/2007 |
| 7157019 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/02/2007 |
| 7147214 | Humidifier for fuel cell using high conductivity carbon foam A method and apparatus of supplying humid air to a fuel cell is disclosed. The extremely high thermal conductivity of some graphite foams lends itself to enhance significantly the ability to humidify supply air for a fuel cell. By utilizing a high conductivity pitch... | 12/12/2006 |
| 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 particularly a rocket engine or thruster comprising such reactor and a ... | 11/21/2006 |
| 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 zero-gravity environments. The system includes devices for emitting ene... | 10/10/2006 |
| 7104507 | Very safe manned rocket and method of entertaining A rocket includes: 1) an air-breathing external combustion rocket engine including: a fuel tank configured to contain a fuel combustible with air; a working medium tank configured to contain a working medium; a combustor connected to the fuel tank and configured to ... | 09/12/2006 |
| 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 ambient environment, resulting in thrust of the field device. ... | 08/29/2006 |
| 7084572 | Plasma-accelerator configuration The invention relates to various advantageous embodiments of a plasma-accelerator configuration, especially for the configuration and design of electron sources used for ionizing the working gas and/or neutralizing the discharged plasma jet. ... | 08/01/2006 |
| 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 compressor section and the turbine section, and an exhaust duct coupled to the... | 07/25/2006 |
| 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 central, rotatable shaft, which is in engageable communication with an a... | 07/11/2006 |
| 7070755 | Pitch-based carbon foam and composites and use thereof A thermally conductive carbon foam is provided, normally having a thermal conductivity of at least 40 W/m·K. The carbon foam usually has a specific thermal conductivity, defined as the thermal conductivity divided by the density, of at least about 75 W·cm3 | 07/04/2006 |
| 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 point Tb, and an evaporation rate. The thruster f... | 06/13/2006 |
| 7053333 | Vacuum arc plasma thrusters with inductive energy storage driver An apparatus for producing a vacuum arc plasma source device using a low mass, compact inductive energy storage circuit powered by a low voltage DC supply acts as a vacuum arc plasma thruster. An inductor is charged through a switch, subsequently the switch is opene... | 05/30/2006 |
| 7037484 | Plasma reactor for cracking ammonia and hydrogen-rich gases to hydrogen Processes and systems for generating hydrogen gas from resonant cavities are disclosed. A preferred version includes separating a resonant cavity into two compartments with a dielectric type diaphragm, injecting gases such as ammonia into one compartment and generat... | 05/02/2006 |
| 7038389 | Magnetron plasma source A point projection type flood plasma source implements a magnetron sputter cold cathode electron source in a discharge cavity separated from a process chamber by a narrow conduit and a solenoid magnetic field. The solenoid magnetic field impedes radial electron flow... | 05/02/2006 |
| 7030336 | Method of fixing anodic arc attachments of a multiple arc plasma gun and nozzle device for same An improved anode element for a plasma generator is comprised of an anode body having a central bore therein. A plurality of arc attachment regions are formed along a surface of the central bore. Each attachment is configured to provide a substantially radially pred... | 04/18/2006 |
| 7014151 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 03/21/2006 |
| 7006905 | Method and device for allocating thrust Force balance and moment balance associated with thrust of air and water craft equipped with thrust generators are preset in view of non-linear characteristics and dynamic characteristics of thrust generators. A performance index for minimizing thrusts generated by ... | 02/28/2006 |
| 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 and outer layers cooperate to define a spiral flow passage therebetwee... | 02/28/2006 |
| 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 shape of a cone, having a more or less pointed end, and capable of cr... | 02/21/2006 |
| 6996972 | Method of ionizing a liquid propellant and an electric thruster implementing such a method A method of ionizing a liquid propellant is disclosed herein. The method includes the steps of applying an electrical charge to a showerhead, delivering a liquid propellant under pressure into a chamber defined within the showerhead, and emitting the liquid propella... | 02/14/2006 |
| 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 via a microwave absorbent heat exchanger, and by subsequent conversion... | 02/07/2006 |
