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)
10/1989
10/03/1989USH690 Device to allow for expansion of nuclear fuel assemblies
10/03/1989USH689 Fuel pin
10/03/1989US4871510 Fuel assembly and reactor core
10/03/1989US4871509 Fuel column retainer using radially compressed spring
10/03/1989US4871479 Thermally denitrating mixture of nitrate solutions, calcing oxide, pulverization, stabilization; minimizing aerosol production
09/1989
09/26/1989US4869868 Uranium dioxide encapsulated in magnesium silicate
09/26/1989US4869867 Nuclear fuel
09/26/1989US4869866 Uranium dioxide coated with aluminum silicates, sintering
09/26/1989US4869865 Method of manufacturing nuclear fuel bundle spacers
09/20/1989EP0332941A1 Fuel-rod support grid for a nuclear fuel assembly
09/20/1989EP0332675A1 Fast-neutron reactor core with improved regeneration gain and increased fuel irradiation level
09/20/1989EP0211853B1 Device for sheathing fuel pellets
09/19/1989US4867940 Electromagnetic method for positioning objects located behind a conductive wall
09/13/1989EP0332285A2 Nuclear reactor fuel elements
09/12/1989US4865804 Fuel rod end plug
09/06/1989CN1035384A Debris resistant fuel assembly
09/05/1989US4863685 Corrosion resistant zirconium alloys
09/05/1989US4863681 Replacement rod
09/05/1989US4863680 Rods, nuclear fuels, pellets boxes
09/05/1989US4863679 Interior zirconium lining, zirconium alloy overcoating
09/05/1989US4863555 Tube flush etching, rinsing and drying apparatus and method
09/05/1989CA1259013A1 Method of manufacturing zirconium alloy plates
08/1989
08/30/1989EP0330013A1 Nuclear reactor fuel assembly
08/29/1989US4861545 Nuclear reactor fuel assembly
08/23/1989EP0329452A2 High Performance reliability fuel pellet
08/22/1989USRE33030 Self rupturing gas moderator rod for a nuclear reactor
08/22/1989US4859408 Method and apparatus for securing structural tubes in nuclear reactor fuel assemblies
08/22/1989US4859407 Nuclear reactor fuel assembly
08/22/1989US4859400 Nuclear reactor core restraint
08/22/1989US4859276 Tube flush etching, rinsing, drying, inspecting and plugging subsystem and method in a tube manufacturing system
08/16/1989EP0327944A2 Guide pin assembly for a nuclear reactor
08/15/1989US4857691 Burnable absorber rod end plug welding apparatus and method
08/15/1989US4857359 Process for overcoating granular materials
08/15/1989US4857260 Apparatus for assembling and welding end plugs to nuclear fuel cladding tubes and inspecting the end plug welds on an automated basis
08/09/1989EP0326896A1 Nuclear fuel element having oxidation resistant cladding
08/09/1989EP0326796A2 Method and apparatus for reading laser bar codes on shiny-finished fuel rod cladding tubes
08/03/1989DE3802048A1 Process for producing sintered nuclear fuel elements
08/02/1989EP0325914A2 Method and apparatus for providing identification indicia on nuclear fuel rods
08/01/1989US4853177 Compacted refractory fiber; getter for fission gases
08/01/1989US4852645 Thermal transfer layer
07/1989
07/25/1989US4851187 Nuclear reactor fuel assembly
07/25/1989US4851186 Nuclear reactor core and process for charging said core
07/25/1989US4851181 Light water moderation type nuclear reactor
07/18/1989US4849161 Debris-resistant fuel assembly
07/18/1989US4849160 Nuclear fuel assembly with coated sheaths and a method of coating such sheaths
07/18/1989US4849082 Ion implantation of zirconium alloys with hafnium
07/18/1989US4849016 Combined ultra slow electron beam and vacuum arc melting for barrier tube shell material
07/11/1989US4846899 Clad low carbon steels
07/05/1989EP0322602A2 Fuel assembly alignment pin straightening device and method
07/05/1989EP0322600A2 Gage and method for determining bulge orientation at a bulge joint between a grid sleeve and a guide thimble of a nuclear fuel assembly
07/05/1989EP0322528A1 Improved boiling water reactor fuel assembly
07/05/1989EP0322480A1 Method of controlling the crystal grain size of uranium dioxide pellet
07/04/1989US4844862 Hairpin spring for nuclear fuel assembly and grid including such springs
07/04/1989US4844861 Fuel assembly for nuclear reactors
07/04/1989US4844860 Support grid with integral vanes
06/1989
06/27/1989US4842814 Channel boxes and/or spacers with corrosion resistant welds; zinc, niobium, tin alloy
06/21/1989EP0320730A2 Process for making zirconium for use in liners of reactor fuel elements
06/14/1989EP0319744A2 Fuel-rod mini-bundle for use in a BWR fuel assembly
06/14/1989EP0319725A1 Debris resistant fuel assembly
06/13/1989US4839136 Spacer for nuclear fuel rods
06/06/1989US4836976 Austenitic stainless steel alloy
05/1989
05/31/1989EP0317831A2 Nuclear-fuel-rod supporting grid
05/31/1989EP0317774A2 Nuclear fuel
05/31/1989EP0317772A2 Nuclear fuel
05/31/1989EP0317769A2 Process for making zirconium alloy for use in liners of fuel elements
05/31/1989CN1004388B Burnable absorber-containing nuclear fuel pellets and formation of the same
05/24/1989EP0316623A2 Nuclear fuel
05/24/1989EP0316580A1 Process for making ultra-pure zirconium alloys for liners of nuclear fuel elements
05/24/1989EP0316579A1 Ultra-pure zirconium-tin liner material for nuclear reactor fuel elements
05/23/1989US4832906 Mixture of fuel rods-one type containing burnable poison
05/23/1989US4832905 Lower end fitting debris collector
05/23/1989US4832901 Nuclear reactor fuel assembly mixing vane repair method
05/23/1989CA1254378A1 Fabrication of nuclear fuel pellets
05/17/1989EP0315929A2 Fuel assembly
05/17/1989EP0211854B1 Fuel element for nuclear reactor
05/11/1989DE3736565A1 Nuclear reactor fuel assembly
05/09/1989US4828792 Nuclear fuel assembly with holding structure and hold down device
05/09/1989US4828791 Nuclear fuel assembly debris resistant bottom nozzle
05/02/1989US4827063 Nuclear reactor fuel assembly
05/02/1989US4826654 Fuel assembly
05/02/1989US4826653 Fuel assembly with a water flow separated from the fuel rodsr
04/1989
04/26/1989EP0313365A2 Control rod support having planar wear surfaces
04/26/1989EP0313257A2 Production of ceramic nuclear fuel pellets
04/25/1989US4825032 Workpiece handling assembly
04/25/1989US4824634 Coating on zirconium-tin alloy cladding tube
04/25/1989US4824632 Fuel assembly alignment pin straightening device
04/19/1989EP0312416A1 Removable device for controlling the coolant flow of a fast neutron nuclear reactor assembly and control method and corresponding assembly
04/18/1989US4822987 Method and apparatus for providing fuel rod identification to permit traceability during manufacture and use
04/18/1989US4822559 Nuclear fuel element
04/18/1989US4822554 Reconstitution and repair system for nuclear fuel rod assemblies
04/12/1989EP0311037A2 Debris-resistant bottom nozzle for a nuclear fuel assembly
04/11/1989US4820479 Guide pin assembly for a nuclear reactor
04/11/1989US4819524 Screw installation plate for use in a fuel assembly repair and reconstitution system
04/05/1989EP0309830A1 Gas barrier on dischargers and beam waveguides
04/05/1989CN1032258A Manufacturing method for cross support grid of nuclear reactor fuel rod
04/04/1989US4818479 Nuclear reactor spacer grid and ductless core component
04/04/1989US4818478 BWR fuel assembly mini-bundle having interior fuel rods of reduced diameter
04/04/1989US4818477 PCI resistant fuel and method and apparatus for controlling reactivity in a reactor core
04/04/1989US4818474 Transferring and recycling of uranium and plutonium oxide-containing rods to successive and concentric zones
04/04/1989US4818473 Fuel bundle
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