US Patent No: 4,263,096

Number of patents in Portfolio can not be more than 2000

Toroidal magnet system

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Abstract

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In a plasma device having a toroidal plasma containment vessel, a toroidal field-generating coil system includes fixed linking coils each formed of first and second sections with the first section passing through a central opening through the containment vessel and the second section completing the linking coil to link the containment vessel. A plurality of removable unlinked coils are each formed of first and second C-shaped sections joined to each other at their open ends with their bights spaced apart. The second C-shaped section of each movable coil is removably mounted adjacent the second section of a linking coil, with the containment vessel disposed between the open ends of the first and second C-shaped sections. Electric current is passed through the linking and removable coils in opposite sense in the respective adjacent second sections to produce a net toroidal field.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ENERGY, UNITED STATES DEPARTMENT OFWASHINGTON, DC560

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baker, Charles C Wilmington, MA 2 26
Ohkawa, Tihiro La Jolla, CA 108 973

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
MKS INSTRUMENTS, INC. (7)
6,815,633 Inductively-coupled toroidal plasma source 22 2001
7,161,112 Toroidal low-field reactive gas source 11 2003
7,166,816 Inductively-coupled torodial plasma source 13 2004
7,541,558 Inductively-coupled toroidal plasma source 6 2006
8,124,906 Method and apparatus for processing metal bearing gases 1 2009
8,779,322 Method and apparatus for processing metal bearing gases 0 2011
8,658,936 Method and apparatus for processing metal bearing gases 0 2011
 
ENERGY, UNITED STATES DEPARTMENT OF (2)
* 4,378,545 Moment free toroidal magnet 1 1981
* 4,774,048 Modular tokamak magnetic system 1 1986
 
BAE SYSTEMS LAND & ARMAMENTS L.P. (1)
* 7,116,206 High energy toroidal inductor 1 2004
 
FDX Patents Holding Company, N.V. (1)
* 4,472,344 Simplified segmented magnetic coil assembly for generating a toroidal magnetic field and the method of making same 3 1981
 
GENERAL ATOMICS (1)
* 4,658,229 Magnet system providing a region of substantially homogeneous field strength 14 1985
 
HITACHI, LTD. (1)
* 4,920,095 Superconducting energy storage device 13 1988
 
MKS ASTEX PRODUCTS GROUP (1)
6,924,455 Integrated plasma chamber and inductively-coupled toroidal plasma source 12 2001
 
Sam Bida (1)
* 4,942,338 Method and apparatus for plasma containment 0 1988
 
Other [Check patent profile for assignment information] (2)
* 4,729,865 Nuclear fusion reactor 1 1986
* 5,392,020 Flexible transformer apparatus particularly adapted for high voltage operation 33 1992
* Cited By Examiner