Induced nuclear reactions: processes, systems, and elements inventions 08/07

20070201598 - Method and apparatus for producing x-rays, ion beams and nuclear fusion energy: The present invention includes an apparatus and method for producing x-rays, and/or ion beams and for enabling the generation of fusion energy and the conversion of the energy into electrical energy including an anode and a cathode positioned coaxially and at least partially within a reaction chamber that imparts an... Agent: Chalker Flores, LLP

20070201599 - Reactor power control apparatus of a natural circulation boiling water reactor and a feed water control apparatus and nuclear power generation plant: In order to provide a reactor power control apparatus which can maintain a stable water level when reactivity control based on control rod operation and water level adjustment is performed, this invention comprises a turbine control which calculates the load set error signal from the error between the set target... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070201600 - System for controlling a shell-type nuclear reactor and a two-position switch for the passive protection thereof: The invention relates to nuclear reactor control systems. The inventive nuclear reactor control system comprises a set of technical means for limiting an increment rate in reactivity by operating devices and for automatically stopping a nuclear reactor, wherein said set of technical means comprises actuators provided with drives and connections... Agent: Patenttm.us

20070201601 - Apparatus and method for measuring a temperature of coolant in a reactor core, and apparatus for monitoring a reactor core: A reactor core coolant temperature measuring apparatus for measuring the temperature of the coolant flowing in the reactor core of a nuclear reactor comprises a γ-ray thermometer having a temperature measuring section arranged below the bottom of the reactor core and a γ-ray heat generation detecting section arranged between the... Agent: Foley And Lardner LLP Suite 500

20070201603 - Reactor power control apparatus of natural circulation reactor and method for controlling reactor power of natural circulation reactor: In the present invention, a reactor power control apparatus of a natural circulation reactor comprises a reactor pressure vessel which circulates cooling water using the density difference of the coolant inside, a feed water pipe which is connected to the reactor pressure vessel and supplies cooling water, a power control... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070201602 - Reactor power control apparatus of natural circulation reactor, generation system of natural circulation reactor and method for controlling reactor power of natural circulation reactor:

20070201604 - Steam separator, boiling water reactor and swirler assembly:

20070201605 - Natural circulation boiling water reactor: A core disposed in a reactor pressure vessel includes one layer (an outermost region) at an outermost side of the core, two-three layers (an outer region) inside the outermost region and other layers (an inner region) inside the outer region. Fuel assemblies arranged in the core are supported by fuel... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070201607 - Natural circulation boiling water reactor and handling method thereof: A natural circulation boiling water reactor provides to a chimney with a plurality of tubes. That is to say, each of the plurality of tubes partitions the coolant flow path above a core. Thus, unlike the conventional natural circulation boiling water reactor providing the flow path partition wall grid in... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070201606 - Temperature detection apparatus for natural circulation boiling water reactor: A chimney lattice is arranged in a reactor pressure vessel. Thermocouple extension wire pulling conduits inserting a temperature detection thermocouple and a cable connected to the thermocouple are mounted to the upper end of the chimney lattice. By mounting the thermocouple extension wire pulling conduit on the upper end of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070201608 - Method for testing a fuel rod cladding tube and associated device: A method for testing a fuel rod cladding tube enables an operation-oriented assessment of its corrosion behavior. The fuel rod cladding tube is partly immersed in a surrounding medium and heated from inside. An electrode potential of the fuel rod cladding tube is measured relative to a reference electrode and... Agent: Lerner Greenberg Stemer LLP

20070195919 - Fuel assembly for a pressurized water nuclear reactor containing plutonium-free enriched uranium: P

20070189433 - Method for limiting the maintenance loads applied to a fuel assembly of a nuclear reactor and fuel assembly: A resilient bush for frictionally engaging a centering pin of the fuel assembly is fixed in each of the through-holes of at least one of the end-pieces of the fuel assembly. The resilient bush comprises an annular member which has a portion for fixing in the hole of the end-piece... Agent: Kenyon & Kenyon LLP

20070189434 - Method and apparatus for clamping a riser brace assembly in nuclear reactor: An apparatus and method are provided which are designed to structurally replace welds that attach a riser brace assembly to a jet pump riser pipe. The riser brace assembly may include an upper clamp assembly, a lower clamp assembly, and a plurality of mechanical fasteners to provide clamping forces to... Agent: Harness, Dickey & Pierce, P.L.C

20070183554 - Gas turbine plant: A gas turbine plant, wherein a first gas turbine positioned coaxially with a compressor and a second gas turbine positioned coaxially with a generator are rotated by a coolant heated by heat energy provided by the fission of a coated particle fuel. The rotational speed of the first gas turbine... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070183555 - Steam cooking apparatus: Water draining means (a water drain pipe and a water drain valve (54)) is provided that drains water out of a pot. A control device (80) makes the water draining means drain the water inside the pot when one of the following conditions is fulfilled: [1] the retention time counted... Agent: Birch Stewart Kolasch & Birch

20070183556 - Terminal end-piece for a fuel assembly having an arrangement for maintaining the ends of the rods and corresponding assembly: An end-piece comprises an arrangement for maintaining the adjacent longitudinal ends of substantially all the fuel rods, wherein the maintenance arrangement is arranged at nodes of the substantially regular network formed by the rods.... Agent: Kenyon & Kenyon LLP

20070177706 - Hydraulic system for driving control rod drive mechanism: A hydraulic system for driving a control rod drive mechanism includes a control rod drive water pump, a charging line connected to a discharge side of the control rod drive water pump and including a pressure gauge on the discharge side thereof, a purge line connected to the discharge side... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070177707 - Force transfer assemblies: Force transfer assemblies are provided for transferring forces from tensionable members to receiving structures. The assemblies may include nested thimbles that transfer respective forces from respective tensionable members to receiving structures such as cylindrical members. An outer thimble may transfer force from an outer tensioned member to a receiving structure... Agent: Alston & Bird LLP

20070177708 - Method and apparatus for removing tack welds on reactor vessel components in a nuclear reactor: An electrical discharge machining (EDM) tool and method for removing tack welds on a component in a reactor pressure vessel are disclosed. The tool may include a motor, a housing which engages the component having tack welds, an electrode, positioned in the housing, a first plate, and a second plate... Agent: Harness, Dickey & Pierce, P.L.C

20070177709 - Pressurised water nuclear reactor vessel: The invention relates to a pressurised water nuclear reactor vessel, comprising: an outer casing which comprises at least one cylindrical shell and a dished bottom head, a core support plate, a vessel bottom head space being delimited between the support plate and the dished bottom head, the support plate being... Agent: Connolly Bove Lodge & Hutz LLP

20070177710 - Method of determining a cell friction metric for a control cell of a nuclear reactor: In a method of determining a cell friction metric for a control cell of a nuclear reactor, a channel face fast fluence and/or a channel face controlled operation parameter is determined for all channels. A total bow value is calculated for each channel based on the channel face fast fluence... Agent: Harness, Dickey & Pierce, P.L.C

20070177711 - Fuel assembly and thimble screw of the same: A fuel assembly includes a bottom nozzle set on a lower core plate of a nuclear reactor, a top nozzle with a hold down spring to urge the bottom nozzle against the lower core plate, guide thimbles which guide control rods, having passed through the top nozzle, toward the lower... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.