Induced nuclear reactions: processes, systems, and elements inventions 04/07

20070092050 - Microwave-powered pellet accelerator: A system for fueling a tokamak includes a gyrotron for radiating microwave energy into a waveguide. Also included is a module having a deutritium-tritium (DT) fuel pellet, a diamond/sapphire window, and a pusher medium located between the pellet and window that is made of frozen deuterium (D2) and metallic particles.... Agent: Attn: Neil K. Nydegger Nydegger & Associates

20070092051 - Method of producing radium-225 and decay products thereof: Provided herein are methods of producing radium-225 and actinium-225 from an activated radium-226 source. Irradiation of the radium-226 by neutrons with energy effective to drive the reaction 226Ra (n,2n) 225Ra produces abundant radium-225 which decays to its daughter radionuclide actinium-225. Also provided is a system for supplying radiotherapeutic bismuth-213 in... Agent: Stuart Lee Adelman

20070092052 - Device and method for controlling the exterior aspect of fuel rods for nuclear reactors: o

20070092053 - Reactor containment vessel and boiling water reactor power plant: A containment vessel includes a primary containment vessel containing a reactor pressure vessel, an upper secondary containment vessel arranged above the primary containment vessel, and a gas-phase vent pipe linking the primary containment vessel and the upper secondary containment vessel by way of an isolation and connection switching system. The... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070092054 - Separation and receiving device for spent nuclear fuel rods: Disclosed is a separation and receiving apparatus for a spent nuclear fuel rod. The spent nuclear fuel rod is mounted and downwardly transferred by a pin. At this time, a blade peels the hull of the spent nuclear fuel rod. The hull and a pellet positioned therein are separated by... Agent: Ladas & Parry LLP

20070086556 - Control rod position detector: The object of the present invention is to provide a control rod position detector that is capable of avoiding and preventing a situation which makes impossible a detection of a position of a control rod inserted in a reactor pressure vessel. A control rod position detector of the present invention... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070086557 - Fuel compact: A fuel compact formed by integrally molding coated fuel particles by a press into a cylindrical body and comprising a chamfer having plane or curved surface at its corner to thereby prevent the coated fuel particles from being damaged due to stress on press molding whereby the strength thereof is... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070081621 - Container device for the storage of hazardous material and method for manufacturing it: Abstract A container device (11) for the long-term storage of hazardous material F), particularly for use for the ultimate disposal of nuclear fuel, comprises a plurality of containment bodies (A, B, C, D), placed successively one with in the other. Each containment body comprises a casing wall and an upper... Agent: Stites & Harbison PLLC

20070076834 - Radium target and method for producing it: The present invention relates to a radium target as well as to a method for producing it for the production of radionuclides by means of accelerated protons, wherein an electrodeposition of radium out of at least one aqueous organic solution containing 226Ra ions is carried out on at least one... Agent: Wilmer Cutler Pickering Hale And Dorr LLP

20070076835 - Reactor containment vessel cooling equipment: A nuclear reactor containment vessel cooling equipment has: a dry well cooler casing in a containment vessel, having an opening at its top and a shutter at its lower part; a heat transfer tube arranged at an upper part in the dry well cooler casing; a forced cooling water circulation... Agent: Foley And Lardner LLP Suite 500

20070076836 - Support arrangement: A nuclear reactor includes a reactor pressure vessel 12 and a core barrel 14, contained within the reactor pressure vessel 12. The reactor 10 further includes a single vertical support 16, for transmitting vertical load from the core barrel to the reactor pressure vessel. Further, lateral support means is provided... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070076837 - Polarized neutron guide: A polarized neutron guide for separating neutrons into polarized neutrons while minimizing loss of the neutrons is provided. The polarized neutron guide includes a body, the first space and the second space, and a neutron separation space. The body includes super mirrors coated with a neutron-reflective thin film and the... Agent: The Webb Law Firm, P.C.

20070076838 - Nuclear reactor feed-water system: A nuclear rector feed-water system in which water is fed to a reactor pressure vessel by a reactor feed-water pump, including a current command value operating unit for comparing a reactor water level setting signal setting a reactor water-level in a reactor pressure vessel with either one of a signal... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070076839 - Axial void fraction distribution measurement method and neutron multiplication factor evaluating method: A first intensity Az expressed as Az=az×Eα, a first reference intensity Ao expressed as Ao=ao×Eα, a second intensity Bz expressed as Bz=bz×E, and a second reference intensity Bo=bo×E, are evaluated. The first intensity and the first reference intensity are of radioactive nuclides generated by a neutron capture reaction of a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070076840 - Nuclear fuel assembly comprising a reinforcing mesh device and the use of one such device in a nuclear fuel assembly: The nuclear fuel assembly having nuclear fuel rods and a support skeleton having two nozzles, guide tubes interconnecting the nozzles, and spacer grids for holding the rods, the grids being secured to the guide tubes. The assembly further has at least one lattice reinforcing device for reinforcing the support skeleton.... Agent: Kenyon & Kenyon LLP