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Class 376/133 - Toroidal confinement of plasma


Subclass of Class 376 - Induced nuclear reactions: processes, systems, and elements
Definition: Subject matter wherein the given volume is generated by
No. of patents: 76
Last issue date: 03/06/2012


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NumberTitleIssue Date
8130893Device and method for stimulation of magnetohydrodynamics
A magnetohydrodynamic simulator that includes a plasma container. The magnetohydrodynamic simulator also includes an first ionizable gas substantially contained within the plasma container. In addition, the magnetohydrodynamic simulator also includes a first loop po...
03/06/2012
8073094Device and method for simulation of magnetohydrodynamics
A magnetohydrodynamic simulator that includes a plasma container. The magnetohydrodynamic simulator also includes an first ionizable gas substantially contained within the plasma container. In addition, the magnetohydrodynamic simulator also includes a first loop po...
12/06/2011
7363876Multi-core transformer plasma source
A transformer-coupled plasma source using toroidal cores forms a plasma with a high-density of ions along the center axis of the torus. In one embodiment, cores of a plasma generator are stacked in a vertical alignment to enhance the directionality of the plasma and...
04/29/2008
7353771Method and apparatus of providing power to ignite and sustain a plasma in a reactive gas generator
According to a first aspect, a power supply and a method of providing power for igniting a plasma in a reactive gas generator is provided that includes (i) coupling a series resonant circuit that comprises a resonant inductor and a resonant capacitor between a switc...
04/08/2008
7232985Controlled fusion in a field reversed configuration and direct energy conversion
A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electrons are elect...
06/19/2007
7180242Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma
A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatica...
02/20/2007
7154807Semiconductor memory storage device and its control method
A redundancy judge circuit (3) includes a redundancy judge circuit address+1 controller (30), an even-numbered redundant address judge section (31), an odd-numbered redundancy judge section (32), a redundant address ROM (33), a red...
12/26/2006
7129656Apparatus for magnetic and electrostatic confinement of plasma
An apparatus and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrosta...
10/31/2006
7126284Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma
A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatica...
10/24/2006
7119491Magnetic and electrostatic confinement of plasma with tuning of electrostatic field
A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatica...
10/10/2006
7026763Apparatus for magnetic and electrostatic confinement of plasma
An apparatus and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrosta...
04/11/2006
7015646Magnetic and electrostatic confinement of plasma with tuning of electrostatic field
A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatica...
03/21/2006
7002148Controlled fusion in a field reversed configuration and direct energy conversion
A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electrons are elect...
02/21/2006
6995515Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma
A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatica...
02/07/2006
6855906Induction plasma reactor
The invention is a plasma-generating device useful in a wide variety of industrial processes. The plasma is formed in a chamber having a toroidal topology, and is heated inductively. As with all inductive plasmas, a primary coil carries an applied AC current, which,...
02/15/2005
6477216Compound plasma configuration, and method and apparatus for generating a compound plasma configuration
A compound plasma configuration can be formed from a device having pins, and an annular electrode surrounding the pins. A cylindrical conductor is electrically connected to, and coaxial with, the annular electrode, and a helical conductor coaxial with the...
11/05/2002
5675304Magnet structure and method of operation
A novel method and apparatus are described for modifying the field within the toroidal chamber of a stellarator or a tokamak. At least one additional electrical conductor is arranged around the straight axis of the toroidal chamber and has a sawtooth or z...
10/07/1997
5672325Method for the oxidation treatment of decaborane gas
The unwanted or unreacted decaborane gas that results from a boronizing operation using decaborane which is solid at ordinary temperatures but which is heated to a gaseous phase for injection into a vacuum vessel is passed through a metal tube packed with...
09/30/1997
5375149Apparatus and method for extracting power from energetic ions produced in nuclear fusion
An apparatus and method of extracting power from energetic ions produced by nuclear fusion in a toroidal plasma to enhance respectively the toroidal plasma current and fusion reactivity. By injecting waves of predetermined frequency and phase traveling su...
12/20/1994
5225146Injection of electrons with predominantly perpendicular energy into an area of toroidal field ripple in a tokamak plasma to improve plasma confinement
An electron injection scheme for controlling transport in a tokamak plasma. Electrons with predominantly perpendicular energy are injected into a ripple field region created by a group of localized poloidal field bending magnets. The trapped electrons the...
07/06/1993
5060232Free electron laser
Free electron laser. This laser includes a source (2) of electrons, means (4) for accelerating the electrons which supply a beam of electrons, a ring (6) for storing this beam and comprising at least one rectilinear section, magnetic means (22) provided t...
10/22/1991
5041760Method and apparatus for generating and utilizing a compound plasma configuration
A method and apparatus for generating and utilizing a compound plasma configuration is disclosed. The plasma configuration includes a central toroidal plasma with electrical currents surrounded by a generally ellipsoidal mantle of ionized particles or ele...
08/20/1991
5019321Modular fusion power apparatus using disposable core
A fusion power generating device is disclosed having a relatively small and inexpensive core region which may be contained within an energy absorbing blanket region. The fusion power core region contains apparatus of the toroidal type for confining a high...
05/28/1991
4927592Reversed field pinch apparatus
A reversed field pinch apparatus is equipped with a first OH coil and a second OH coil which are inductively coupled with a plasma. The first OH coil is supplied a low-level alternating current for performing F-.THETA. pumping, while the second OH coil is...
05/22/1990
4894199Beam fusion device and method
A fusion device provides for the reaction of atomic nuclei, preferably deuterons and tritons, to generate reaction products with kinetic energies convertible to useful energy. First and second sources of first and second positive ions provide such ions at...
01/16/1990
4859399Modular fusion power apparatus using disposable core
A fusion power generating device is disclosed having a relatively small and inexpensive core region which may be contained within an energy absorbing blanket region. The fusion power core region contains apparatus of the toroidal type for confining a high...
08/22/1989
4836972Controlled thermonuclear fusion device and method
A fusion power generating device is disclosed having a relatively small and inexpensive core region which may be contained within an energy absorbing blanket region. The fusion power core region contains apparatus of the toroidal type for confining a high...
06/06/1989
4835787Fusion pumped light source
Apparatus is provided for generating energy in the form of light radiation. A fusion reactor is provided for generating a long, or continuous, pulse of high-energy neutrons. The neutron flux is coupled directly with the lasing medium. The lasing medium in...
05/30/1989
4767590Anomalous - viscosity current drive
An apparatus and method for maintaining a steady-state current in a toroidal magnetically confined plasma. An electric current is generated in an edge region at or near the outermost good magnetic surface of the toroidal plasma. The edge current is genera...
08/30/1988
4749540Demountable tokamak fusion core
A demountable tokamak fusion reactor core in which a demountable central portion contains at least the inner toroidal field producing legs of the tokamak toroidal field coil and the plasma containment vessel. Also in the demountable central portion may be...
06/07/1988
4746484Fusion reactor pumped laser
A nuclear pumped laser capable of producing long pulses of very high power laser radiation is provided. A toroidal fusion reactor provides energetic neutrons which are slowed down by a moderator. The moderated neutrons are converted to energetic particles...
05/24/1988
4735765Flexible helical-axis stellarator
An 1=1 helical winding which spirals about a conventional planar, circular central conductor of a helical-axis stellarator adds a significant degree of flexibility by making it possible to control the rotational transform profile and shear of the magnetic...
04/05/1988
4734247Helical shaping method and apparatus to produce large translational transform in pinch plasma magnetic confinement
A magnetically confined helical z-pinch plasma is formed as a helicoid having an approximately D-shaped cross section, thereby generating a large transform of magnetic field line pitch suitably distributed throughout the plasma volume to aid in the revers...
03/29/1988
4734246Elongated toroid fusion device
A toroidal fusion device with an elongated axial cross section is described which is capable of ignition without auxiliary heating and with modest toroidal magnetic field. The device is based on the principle that for elongated toroids the toroidal curren...
03/29/1988
4729865Nuclear fusion reactor
The present invention is a nuclear fusion reactor serving to contain a totally organized tritium-deuterium plasma by guiding the self-bombarding particles in a resonating path of a particular wavelength and frequency, similar to a radio wave. Under these ...
03/08/1988
4687616Method and apparatus for preventing cyclotron breakdown in partially evacuated waveguide
Cyclotron breakdown is prevented in a partially evacuated waveguide by providing a section of waveguide having an axial cut therein in order to apply a potential across the two halves of the waveguide. This section is positioned in the waveguide crossing ...
08/18/1987
4668464Method and apparatus for maintaining equilibrium in a helical axis stellarator
Apparatus for maintaining three-dimensional MHD equilibrium in a plasma contained in a helical axis stellerator includes a resonant coil system, having a configuration such that current therethrough generates a magnetic field cancelling the resonant magne...
05/26/1987
4654184System and method of operating toroidal magnetic confinement devices
For toroidal magnetic confinement devices the second region of stability against ballooning modes can be accessed with controlled operation. Under certain modes of operation, the first and second stability regions may be joined together. Accessing the sec...
03/31/1987
4650631Injection, containment and heating device for fusion plasmas
A container device for a fusion plasma which has a beam of charged particles accelerating system feeding an ion or plasma beam into a polytron magnetic device. The polytron is formed from a succession of magnetic cusps joined point to point around a torus...
03/17/1987
4638177Rotating flux transformer
A rotating flux transformer which includes a magnetic core having poloidal primary and secondary windings and toroidal primary and secondary windings. Quadrature flux is produced in the magnetic core by connecting one end of the poloidal primary winding t...
01/20/1987
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