Patents
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
03/1986
03/18/1986US4576785 Nuclear fuels, shields, welds
03/11/1986US4575436 Production of nuclear fuel products
03/04/1986US4573629 Method of production of cladding tube for nuclear fuel element
02/1986
02/26/1986EP0172429A2 Individual neutron-source rod positioning mechanism in a nuclear fuel assembly
02/25/1986US4572817 Plumb nozzle for nuclear fuel assembly
02/25/1986US4572816 Reconstituting a nuclear reactor fuel assembly
02/25/1986US4572810 Method for providing uranium hydroxide on UO2 particles prior to generation of fugitive binder for sintering
02/19/1986EP0171684A1 Process for stabilizing the corrosion resistance of a zirconium alloy cladding tube for nuclear-fuel rods
02/19/1986EP0171675A1 Zirconium alloy cladding tube, particularly for a nuclear-fuel rod, and process for the manufacture of this cladding tube
02/18/1986US4571324 Nuclear fuel assembly spacer
02/18/1986US4571315 Precipitation of metallic salts from solution to from gel thermal conditioning, sintering
02/18/1986US4570883 Tube support grid
02/12/1986EP0171210A1 Device and method for repairing a fuel rod assembly
02/12/1986EP0170943A2 Nuclear fuel assembly with improved spectral shift rods
02/12/1986EP0170902A1 Plant for treating nuclear fuel powder
02/11/1986US4569820 Nuclear reactor core and fuel element therefor
02/11/1986CA1200374A1 Method for the manufacture of nuclear fuel products
02/05/1986EP0170343A1 Solid tags for identifying failed reactor components
02/04/1986US4568512 Bracing grids for nuclear reactor fuel sub-assemblies
02/04/1986US4568111 Detachable connection for a nuclear reactor fuel assembly
01/1986
01/29/1986EP0169422A2 Fuel rod for a nuclear reactor having improved end plugs
01/28/1986US4567018 Core construction of nuclear reactor
01/28/1986US4567017 Embrittlement prevention, austenitic steels, nickel or ferritic barrier, cesium and tellurium fission products
01/22/1986EP0168670A1 Fuel assembly
01/08/1986EP0167428A2 Method of starting up a nuclear reactor, and a light-water and spectral-shift nuclear reactor for doing so
01/08/1986EP0167069A1 Gas displacement spectral shift reactor
01/07/1986US4563328 Nuclear reactor fuel assembly
01/02/1986EP0166256A2 Apparatus for coating nuclear fuel pellets with a burnable absorber
12/1985
12/31/1985US4562017 Compression molding, plutonium and uranium oxide
12/27/1985EP0165735A2 Replacement of split pins in guide tubes
12/24/1985US4560856 Pulsed laser machining apparatus
12/24/1985US4560575 Reacting boron trichloride and anhydrous ammonia in vapor phase
12/24/1985US4560532 Nuclear fuel assembly
12/24/1985US4560462 Rotatable drum, enclosed pallet having screened parts, sputtering machine
12/18/1985EP0164991A2 Metal disintegration machining apparatus
12/18/1985EP0164989A2 Replacement of split-pin assemblies in guide tubes
12/17/1985US4558504 Process for fabricating nuclear reactor fuel assemblies for light water nuclear reactors
12/17/1985CA1198231A1 Zirconium alloy barrier having improved corrosion resistance
12/10/1985US4557892 For fast breeder
12/10/1985US4557861 Nuclear fuel cartridge, and a method of preparing the cartridge for the extraction of nuclear material therefrom
12/04/1985EP0163568A1 Apparatus for placing hair-pin-shaped springs on plates, particularly for grids in combustible assemblies
12/04/1985EP0163425A1 Improvements in or relating to fuel rod end plugs
12/03/1985US4556776 Welding fixture for nuclear reactor fuel assembly grid
12/03/1985US4556531 Array of joined ferrules, each passage for fuel rods
11/1985
11/26/1985CA1197069A1 Method for preparing a sinterable uranium dioxide powder
11/21/1985EP0161975A1 Process for producing porous products of boron or boron compounds
11/21/1985EP0161539A1 Hydride blister-resistant zirconium-based nuclear fuel rod cladding
11/19/1985CA1197027A1 Fuel assembly for pressure-tube reactor
11/13/1985EP0161170A1 Upper end fitting for a nuclear fuel assembly
11/05/1985US4551300 Elastically drawn back rigid lever
10/1985
10/29/1985CA1196114A1 Spacing grid for a nuclear reactor fuel element
10/23/1985EP0159228A1 Method and apparatus for welding nuclear fuel assembly grids
10/23/1985EP0158791A1 An improved control rod assembly for a nuclear reactor fuel assembly
10/22/1985US4548657 Bow control for metallic structures
10/22/1985US4548347 Automated fuel pin loading system
10/15/1985US4547855 Plural computer control for shared laser machining
10/15/1985US4547335 Fuel rod support grid
10/15/1985US4547334 Low exchange element for nuclear reactor
10/15/1985CA1195441A1 Nuclear reactor fuel element having improved heat transfer
10/02/1985EP0156018A1 Method for the manufacture of oxidic nuclear fuel sintered bodies
10/01/1985US4545018 Calibration of automated laser machining apparatus
10/01/1985US4544522 Nuclear fuel assembly spacer
09/1985
09/25/1985EP0155865A1 Nuclear fuel assembly and method of operating a reactor using the assembly
09/25/1985EP0155603A1 Cladding tube for nuclear fuel and nuclear fuel element having this cladding tube
09/24/1985US4543233 Mechanically attached load pad for liquid metal nuclear reactor fuel assemblies
09/18/1985EP0155168A2 Composite nuclear fuel element cladding tube
09/18/1985EP0155167A2 Cladding tubes for containing nuclear fuel material
09/17/1985US4542267 Automated closure system for nuclear reactor fuel assemblies
09/17/1985US4541984 Getter-lubricant coating for nuclear fuel elements
09/11/1985EP0154559A2 Zirconium-base alloy structural member and process for its preparation
09/11/1985EP0154267A2 Method of manufacturing plate-shaped fuel elements for research reactors
09/11/1985EP0154229A2 Improved fuel rod assembly for a nuclear reactor
09/10/1985US4541055 Laser machining system
09/10/1985US4540545 Devices for securing fuel assemblies to nuclear reactor pressure vessels
09/10/1985US4539738 For use in the welding of a grid
09/03/1985CA1192734A1 Nuclear fuel preparation and scrap recycle
08/1985
08/28/1985EP0153240A1 Submoderated nuclear reactor
08/27/1985CA1192680A1 Nuclear radiation actuated valve
08/21/1985EP0152207A2 Retaining pin for nuclear reactor guide tube mounts
08/21/1985EP0151969A1 Fuel-bearing plugging device
08/21/1985EP0151920A1 Method of processing a control element to be immersed in coolant of a nuclear reactor
08/21/1985EP0151919A2 Mechanical drive system for moving fuel
08/20/1985US4535523 Process for disassembling the guide tubes of a fuel assembly
08/13/1985US4534933 Nuclear reactor fuel assembly with improved top nozzle and hold-down means
08/13/1985US4534932 Apparatus for removing cladding material from bottom portion of control rod guide tube of nuclear reactor
08/07/1985EP0150737A2 Process for treating nuclear fuel scrap
08/07/1985EP0150708A2 Compositions for Glazing Nuclear Pellets
07/1985
07/24/1985EP0149181A2 Coolant-displacement rod for a nuclear reactor
07/23/1985US4530719 Controlling ratios of sum of phosphorus, sulphur and boron; concentration of titanium to carbon
07/23/1985US4530146 Process and apparatus for assembling the strips of a grille
07/23/1985CA1190721A1 Process for producing u.sub.3o.sub.8 powder
07/17/1985EP0148802A2 Device for handling nuclear fuel assemblies, and an assembly suitable for this device
07/17/1985EP0148452A2 A coolant flow mixing grid for a nuclear reactor fuel assembly
07/17/1985EP0148404A1 Liquid-cooled nuclear reactor, in particular a boiling water reactor
07/16/1985CA1190669A1 Fuel pin support grid
07/03/1985EP0147183A2 Removable top nozzle and tool for a nuclear reactor fuel assembly
07/03/1985EP0147182A1 Method of coating nuclear fuel with boron nitride
07/03/1985EP0146896A2 A partial grid for a nuclear reactor fuel assembly
07/03/1985EP0146806A2 Nuclear reactor
07/02/1985US4526746 Fuel assembly having water passageway in channel wall
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