Patents
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
09/1986
09/23/1986US4613477 Nuclear reactor
09/17/1986EP0194797A1 Water reactor fuel element cladding tube
09/17/1986EP0194330A1 Irradiated fuel assembly screw replacement method and device using this method
09/16/1986US4612159 Nuclear fuel element and process for fabricating the same
09/16/1986CA1211344A1 Method of manufacturing cladding tubes of a zirconium- based alloy for fuel rods for nuclear reactors
09/10/1986EP0193923A1 Universal fuel assembly construction for a nuclear reactor
09/10/1986CN86100680A Apparatus and method for preassembling a top nozzle subassembly for a nuclear reactor fuel assembly
09/10/1986CN85108816A Burnable absorber-containing nuclear fuel pellets and formation of the same
09/09/1986US4610842 Fuel rod for a nuclear reactor
09/09/1986US4610775 Method and apparatus for clearing short-circuited, high-voltage cathodes in a sputtering chamber
09/03/1986CN86101339A Universal fuel assembly construction for a nuclear reactor
09/03/1986CN85106811A Water reactor fuel cladding
09/03/1986CN85106806A Zirconium alloy fuel cladding resistant to pci crack propagation
09/02/1986US4609524 Helium containing oxygen carbon monoxide or carbon dioxide, tritium-impervious oxide layer
09/02/1986US4609522 Mechanical drive system for moving fuel
09/02/1986US4609521 Complementary shutdown device for an undermoderated nuclear reactor
08/1986
08/27/1986EP0192534A1 Device for spacing and supporting fuel rods in a nuclear-fuel assembly
08/27/1986EP0192499A1 Process for manufacturing zirconium alloy platelets
08/27/1986EP0192405A2 Nuclear fuel claddings
08/27/1986EP0192092A1 Nuclear-reactor fuel element
08/26/1986CA1210534A1 Reconstituting a nuclear reactor fuel assembly
08/19/1986US4606880 Symmetric blanket nuclear fuel assembly
08/19/1986US4606109 Element immersed in coolant of nuclear reactor
08/19/1986CA1210165A1 Nuclear fuel assembly
08/19/1986CA1210164A1 Fuel assembly for a boiling water reactor
08/14/1986WO1986004729A1 Device for sheathing fuel pellets
08/14/1986WO1986004728A1 Fuel element for nuclear reactor
08/13/1986CN85108291A Improved water displacer rod with hollow annular support pellets having sealed internal voids
08/12/1986CA1209727A1 Buried zirconium layer
08/12/1986CA1209726A1 Zirconium alloy barrier having improved corrosion resistance
08/06/1986EP0189797A2 Locking tube removal fixture for use with a reconstitutable fuel assembly
08/06/1986CN85109302A Light water moderation type nuclear reactor
08/06/1986CN85108899A Vented upper retainer for facilitating replacement of a top nozzle subassembly on a reconstituted nuclear fuel assembly
07/1986
07/30/1986EP0189133A2 Apparatus and method for preassembling a top nozzle subassembly for a nuclear fuel assembly
07/30/1986CN86100625A Method of manufacturing zirconium alloy plates
07/29/1986US4603027 Removable top nozzle and tool for a nuclear reactor fuel assembly
07/29/1986US4602948 Production of an iron-boron-silicon-carbon composition utilizing carbon reduction
07/23/1986EP0187928A2 Coating for structural elements of nuclear energy plants
07/23/1986CN85109566A Method and appartus for improving flux reduction factor
07/16/1986EP0187651A1 Fixture for inserting locking tubes in reconstitutable nuclear fuel assemblies
07/16/1986EP0187578A1 Fuel assembly for a nuclear reactor
07/16/1986EP0187472A2 Composition containing a burnable neutron absorber and method of coating nuclear-fuel pellets with this composition
07/16/1986EP0187268A1 Pattern fuel assembly loading system
07/09/1986CN86100975A Device for the spacing and holding in place of fuel rods in a fuel assembly
07/09/1986CN85109766A Fuel assembly for nuclear reactors
07/08/1986US4599213 Nuclear fuel assembly with replaceable fuel elements
07/02/1986EP0186012A1 A vented upper retainer for facilitating replacement of a top nozzle subassembly on a reconstituted nuclear fuel assembly
07/01/1986US4597937 Independent cell type; lattice arrangement
06/1986
06/25/1986EP0185219A1 Nuclear-reactor fuel element
06/24/1986US4596690 Fission gas release restrictor for breached fuel rod
06/24/1986CA1206631A1 Fuel assembly for nuclear reactor
06/11/1986EP0184219A1 Debris trap for a nuclear fuel assembly
06/11/1986EP0184134A1 Method of operating of a light water moderated and cooled nuclear reactor
06/11/1986EP0184064A1 Nuclear reactor fuel element
06/10/1986US4594216 Spacing grid for a nuclear reactor fuel element
06/10/1986CN85108975A Wire mesh debris trap for a fuel assembly
06/10/1986CN85107701A Symmetric blanket nuclear fuel assembly
06/10/1986CA1205927A1 Nuclear fuel element, and method of producing same
06/04/1986EP0183069A1 Water displacer rod for use in a spectral shift nuclear reactor
06/04/1986EP0183068A1 End nozzle removal and replacement fixture for use with a reconstitutable fuel assembly
05/1986
05/28/1986EP0182196A1 Fuel assembly
05/28/1986EP0182149A1 A tool for removing and replacing locking tubes of reconstitutable nuclear fuel assemblies
05/27/1986US4591479 Boiling water reactor fuel bundle
05/21/1986EP0181768A1 Remotely controlled apparatus for removing clips from irradiated nuclear fuel assemblies
05/14/1986EP0181264A1 Spacer grid with mixing vanes for a nuclear fuel assembly
05/14/1986EP0180775A1 Symmetric blanket nuclear fuel assembly
05/13/1986US4588550 Four bundles of fuel rods totaling about eighty positions
05/13/1986US4588549 Automatic coolant flow control device for a nuclear reactor assembly
05/13/1986US4587704 Method of mounting a continuous loop spring on a nuclear fuel spacer
05/07/1986EP0180187A2 Nuclear reactor with irradiation shields for pressure vessel welds
05/07/1986EP0180166A2 A method for protecting the guide tube members of a nuclear fuel assembly and guiding pin for carrying out the method
05/06/1986US4587394 Device and method of welding nuclear fuel assembly structural elements
05/06/1986US4587094 Fuel rod assembly for a nuclear reactor
05/06/1986US4587093 Nuclear fuel assembly
05/06/1986US4587092 Nuclear reactor fuel assembly
05/06/1986US4587091 Clad tube of nickel alloy
05/06/1986US4587090 Fuel assembly for boiling water reactor
05/06/1986US4587089 Fuel assembly for boiling water reactor
05/06/1986US4587088 Sputtering
05/06/1986US4587087 Burnable absorber coated nuclear fuel
05/06/1986US4587078 Initial charge core of fast breeder and method of charging the core with fuel
05/06/1986CA1204229A1 Nuclear fuel element and process for fabricating the same
04/1986
04/29/1986US4585616 Nuclear fuel spacer grid with improved outer straps
04/29/1986US4585615 Egg-crate arrry for enclosing fuel rods
04/29/1986US4585614 Lattice arrangement; quadratic and hexagonal
04/29/1986US4585613 Process for the replacement of guide pins of a guiding tube forming part of the top internal equipment of a pressurized water nuclear reactor, and corresponding apparatus
04/22/1986US4584030 Steam corposion resistant beta treatment, hot and cold working; reactor cladding
04/15/1986US4582676 Coating a uranium dioxide nuclear fuel with a zirconium diboride burnable poison
04/15/1986CA1203288A1 Gas tungsten arc welder
04/09/1986EP0176727A1 Method of manufacturing spherical fuel elements
04/02/1986EP0175974A2 Apparatus for removing a top nozzle in reconstituting a fuel assembly
04/01/1986US4579711 Fuel assembly spacer
03/1986
03/26/1986EP0175496A1 Grid spacer capture device for nuclear fuel assembly
03/25/1986US4578241 Reinfoirced fuel chennel connector; boiling water nuclear reactors
03/25/1986US4578240 Nuclear reactor fuel assembly spacer grid
03/25/1986US4578239 Spacer for fuel assemblies of water-cooled nuclear reactors
03/25/1986US4578229 Method for the manufacture of oxidic sintered nuclear fuel bodies
03/25/1986US4577361 Brush tool
03/19/1986EP0174418A2 Austenitic alloys based on iron-manganese and iron-manganese-chromium
03/18/1986US4576786 Selective mounting; eliminating localized neutron flux peaking
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