Patents by Inventor Kazuo Arie

Kazuo Arie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Transuranium elements transmuting fuel assembly
    Patent number: 5400375
    Abstract: In a transuranium elements transmuting reactor core in which a reactor is charged with a plurality of fuel assemblies at a core and an amount of a transuranium element to be added is controlled so as to prevent a fuel element contained in the fuel assemblies from melting, the amount of the transuranium elements to be added to the fuel element is controlled so as to keep an excess reactivity of the reactor substantially zero through an operation of the reactor. A charging density of minor actinides is set to lessen outwards of a core central portion in a core area where a plutonium content is made even. The charging density of minor actinides is set high accordingly in an area where a plutonium is enriched high at the core of a plutonium enriched area where a plutonium content varies.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: March 21, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masao Suzuki, Kazuo Arie, Masatoshi Kawashima, Yoshiaki Sato
  • Transuranium element transmuting reactor core
    Patent number: 5299241
    Abstract: In a transuranium elements transmuting reactor core in which a reactor is charged with a plurality of fuel assemblies at a core and an amount of a transuranium element to be added is controlled so as to prevent a fuel element contained in the fuel assemblies from melting, the amount of the transuranium elements to be added to the fuel element is controlled so as to keep an excess reactivity of the reactor substantially zero through an operation of the reactor. A charging density of minor actinides is set to lessen outwards of a core central portion in a core area where a plutonium content is made even. The charging density of minor actinides is set high accordingly in an area where a plutonium is enriched high at the core of a plutonium enriched area where a plutonium content varies.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: March 29, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masao Suzuki, Kazuo Arie, Masatoshi Kawashima, Yoshiaki Sato