Patents
Sitemap › G21 - Nuclear physics; Nuclear engineering › G21C - Nuclear reactors › G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
01/2004
01/08/2004WO2004003933A2 Fuel rod bundle for a pressurized water reactor
01/08/2004US20040005025 Spacer grid with double deflected vanes for nuclear fuel assemblies
01/07/2004CN1134021C Separation device for gas and water, atomic energy generating equipment and boiler device
01/06/2004US6674831 Fuel assembly and thimble screw of the same
12/2003
12/31/2003CN1133176C Method for preparing Gd2O3-UO2 flammable poison fuel core block by using U3O8 powder
12/30/2003US6669874 Method for production of and material adapted to be sintered to a nuclear fuel element with oxide base
12/18/2003WO2003104510A1 Method, use and device concerning cladding tubes for nuclear fuel and a fuel assembly for a nuclear boiling water reactor
12/18/2003DE10211179C1 Abstandhalter für das Brennelement eines Siedewasserreaktors Spacer for a boiling water reactor, the fuel element
12/17/2003EP1372158A2 Fuel assembly and associated grid for nuclear reactor
12/17/2003EP1371065A1 Filter and fuel assembly for a light-water nuclear reactor
12/17/2003CN1131526C Zirconium alloy tube for nuclear reactor fuel assembly and method for making same
12/17/2003CN1131329C Method for manufacturing alloy pipe and sheet containing niobiam and zirconium used for high burnup nulcear fuel
12/16/2003US6665366 Monobloc fuel element and boiling water and fast spectrum nuclear reactor using such elements
12/04/2003US20030223530 Method of providing a nuclear fuel and a fuel element provided by such a method
12/03/2003EP1367600A1 Spacer grid for securely holding nuclear fuel rods and nuclear fuel assembly provided with a spacer grid
12/03/2003EP1157391B1 A method for production of and material adapted to be sintered to a nuclear fuel element with oxide base
12/03/2003CN1459803A Nuclear fuel assembly supporting grid and producing method thereof
12/02/2003US6658078 MOX nuclear fuel assembly employable for a thermal neutron nuclear reactor
12/02/2003US6656391 Aqueous suspension of a powder of UO2
11/2003
11/26/2003CN1458653A Fuel device and relative grid for nuclear reactor
11/20/2003US20030215049 Grid for a nuclear fuel assembly, and a strap for such a grid
11/20/2003US20030215048 Fuel assembly and associated grid for nuclear reactor
11/19/2003EP1362352A2 Pressurized water reactor fuel assembly spacer grid
11/19/2003CN1128235C Novel zirconium alloy used as fuel-rod coating layer
11/18/2003US6650723 Double strip mixing grid for nuclear reactor fuel assemblies
11/12/2003EP1360697A2 Fretting resistant spring design
11/12/2003EP1360696A1 Fuel element
11/12/2003CN1127736C Nuclear fuel assembly grid with diagonal fuel retaining springs
11/04/2003US6643350 Fuel assembly
11/04/2003US6640635 Method of measuring hydrogen concentration of radioactive metallic material
10/2003
10/29/2003EP1356475A1 A device for storing heat generating material and a vessel for such device
10/29/2003EP1356474A1 Filter for cooling water in a light water cooled nuclear reactor
10/23/2003DE29624437U1 Nuclear fuel sintered body - contains uranium di:oxide and plutonium di:oxide mixed crystal
10/22/2003EP1354323A1 Method for avoiding friction damages to fuel rods, corresponding nuclear fuel element, devices used in this method and corresponding spacer
10/22/2003CN1125470C Nuclear fuel assembly with upper cap
10/22/2003CN1125469C Nuclear fuel element and mfg. method and structuring device
10/16/2003US20030194045 Fuel spacer/water rod capture apparatus and methods for boiling water nuclear reactors
10/16/2003US20030194044 Method for measuring lanthanide content dissolved in uranium oxide
10/15/2003EP1352398A1 A fuel assembly and a tubular element for a nuclear boiling water reactor
10/09/2003WO2003083877A2 Spacer grid for a fuel unit in a nuclear reactor cooled by light water
10/07/2003US6631176 Fuel assembly
10/02/2003US20030185334 Core inlet structure for coolant
10/01/2003EP1232291B1 Zirconium alloy highly resistant to corrosion and to sun burst by water and water vapour and method for thermomechanical transformation of the alloy
09/2003
09/25/2003US20030180180 High temperature water pipes; nuclear power plants; generation electricity currents by heat activation
09/25/2003DE10208502C1 Abstandhalter für ein Brennelement eines Siedewasserreaktors Spacer for a fuel element of a boiling water reactor
09/24/2003EP0925589B1 Grid for nuclear fuel assembly and insert for same
09/18/2003WO2003077262A1 Mox fuel fabrication process from weapon plutonium feed
09/18/2003WO2003077261A2 Spacer for the fuel element of a boiling water reactor
09/18/2003WO2002003393A3 Pressurized water reactor fuel assembly spacer grid
09/18/2003US20030172776 Melting in an inert gas atmosphere; by ejecting the melt through a nozzle; contact with a quenching fluid imparted with a centrifugal rotation movement to atomize of the melt into a powder
09/17/2003EP1345239A1 Nuclear fuel comprising a uranium-molybdenum alloy
09/16/2003US6621885 Apparatus and a method for assembling a spacer grid of a fuel assembly for a nuclear reactor
09/10/2003EP1343175A2 Grid for use in a fuel assembly of a nuclear reactor
09/09/2003US6617558 Furnace for microwave sintering of nuclear fuel
09/04/2003WO2003073435A2 Spacer for a fuel element of a boiling water reactor
09/04/2003WO2003009306A3 Reduced pressure drop debris filter bottom nozzle for a fuel assembly of a nuclear reactor
09/03/2003EP1340838A1 Method and device for atmospheric plasma processing
09/03/2003EP1010183B1 A component designed for use in a light water reactor, a method of producing a layer, and use of a component
08/2003
08/28/2003WO2002035550A3 Fretting resistant spring design
08/27/2003EP1339071A1 Method for reducing corrosion of metal material
08/27/2003EP1338015A1 Pencil comprising a stack of oxide nuclear fuel pellets
08/27/2003EP1012852B1 Nuclear fuel assembly
08/27/2003CN1119817C Tube for a nuclear fuel assembly and method for making same
08/20/2003EP1335880A1 Method for co-precipitating actinides and method for preparing mixed actinide oxides
08/19/2003US6608881 Duct-type spacer grid with swirl flow vane for nuclear fuel assembly
08/19/2003US6608880 Reduced pressure drop debris filter bottom nozzle for a fuel assembly of a nuclear reactor
08/14/2003WO2003067606A2 Fuel element for a boiling water reactor
08/14/2003WO2003066242A1 Screening-casting method and device; preparation of a close mixture of powdery products
08/12/2003US6606369 Nuclear reactor with improved grid
08/07/2003US20030147487 Spacer and fuel assembly for a nuclear reactor
08/07/2003US20030146312 Method and device for forced sieving; preparation of an intimate blend of pulverulent products
08/06/2003EP1216479B1 Zirconium based alloy and method for making a component for nuclear fuel assembly with same
07/2003
07/31/2003DE10210872C1 Holder used for fuel elements of pressurized water reactor comprises spring arrangement containing spring elements acting between lower side of upper core lattice and upper side of fuel element head
07/30/2003EP1149180B1 Zirconium based alloy and component in a nuclear energy plant
07/29/2003US6600800 Fuel element for a boiling water nuclear reactor
07/29/2003US6600799 Fuel element with fuel rods for a boiling water reactor
07/24/2003US20030138073 Spacer grid with side welding support and flow mixing vane for nuclear reactor fuel assembly
07/24/2003US20030136950 Improved method of manufacturing fuel by blending fuel from different sources in a way which accounts for isotopic variation in fuel from these sources
07/23/2003EP1329905A2 Method of surface-treating reactor member and method of manufacturing reactor member by using the surface treatment method
07/23/2003EP1141434B1 Method of manufacturing a zirconium based alloy component for use in nuclear industry
07/23/2003EP0992039B1 Nuclear fuel assembly
07/22/2003CA2286358C Protective coating to reduce stress corrosion cracking of zircaloy fuel sheathing
07/17/2003US20030133532 Zirconium-alloy clad fuel rods containing metal oxide for mitigation of secondary hydriding
07/17/2003US20030133531 Zirconium-alloy clad fuel rods containing metal oxide for mitigation of secondary hydriding
07/16/2003EP1327250A2 Method for assembling a pressurized water reactor core and corresponding recharged core
07/10/2003US20030129929 Method of surface-treating reactor member and method of manufacturing reactor member by using the surface treatment method
07/10/2003US20030128798 Nuclear fuel assembly lower tie-plate and method of its assembling
07/09/2003EP1324846A1 Method for preparing nuclear metal or metal alloy particles
07/08/2003CA2282330C Uranium high-density dispersion fuel with spherical uranium alloy power solidified rapidly by atomization method, and the fuel fabrication process
07/03/2003US20030123601 Fuel assembly
07/03/2003US20030123600 Nuclear fuel assemblies
07/01/2003US6585835 Method of manufacturing a zirconium based alloy component for use in nuclear industry
06/2003
06/26/2003US20030116239 Method of manufacturing a ferritic-martensitic, oxide dispersion strengthened alloy
06/25/2003EP1060355B1 Method and device for microwave sintering of nuclear fuel
06/18/2003EP1153396B1 Method for making thin zirconium alloy elements and wafers obtained
06/18/2003CN1425181A Fuel assembly of water-moderated nuclear power reactor
06/18/2003CN1424726A Preparation of nano zirconium oxide balls piled transmutation target
06/11/2003CN1111309C Method for preparing boron and zirconium carbide alloy combustible poison core block
06/10/2003US6577698 Installation for loading fuel rods into a nuclear fuel assembly
06/05/2003US20030103594 Monobloc fuel element and boiling water and fast spectrum nuclear reactor using such elements
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