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)
04/1981
04/14/1981US4261935 Vacuum carbothermic reduction; nuclear fuels
04/14/1981US4261934 Method for homogenizing mixed oxide nuclear fuels
04/14/1981CA1099089A1 Nuclear fuel recycling system
04/08/1981EP0026573A1 A mixed oxide fuel pellet for use in a nuclear reactor and a method of manufacturing such a pellet
04/08/1981EP0026389A1 Process for preparing high-density oxidic nuclear-fuel bodies
04/01/1981EP0026141A1 Screwed security assembly
04/01/1981EP0026029A1 Fuel assemblies for nuclear reactors
03/1981
03/31/1981US4259155 Fuel assembly for gas-cooled nuclear reactors
03/31/1981CA1098629A1 Nuclear fuel storage
03/31/1981CA1098628A1 Shock absorbing structure for nuclear fuel assemblies
03/25/1981EP0025574A1 Nozzle for admitting gases
03/24/1981US4257847 Nuclear breeder reactor fuel element with axial tandem stacking and getter
03/18/1981EP0025395A1 Spacer grid for nuclear fuel elements
03/18/1981EP0025393A1 Device for fixing a spring on a spacer grid of nuclear fuel elements
03/18/1981EP0025392A1 Nuclear reactor fuel assembly blow-out prevention device
03/11/1981EP0024985A1 Fission product calibration device for calibrating a system that detects cladding tube ruptures in nuclear reactors
03/03/1981CA1096892A1 Refractory materials
02/1981
02/24/1981US4252613 Nuclear fuel assembly guide tube with integral intermittent projections
02/24/1981US4252612 Core catcher, refractories, nuclear fuels
02/17/1981US4251321 Nuclear reactor utilizing plutonium
02/17/1981CA1096058A1 Spacer grids for a nuclear reactor fuel assembly
02/10/1981CA1095482A1 Production of nuclear fuel
02/10/1981CA1095481A1 Nuclear fuel grinding reduction
01/1981
01/28/1981EP0023159A1 Advanced nuclear fuels with reduced rupture resistance and little reactor-radiation induced tension development
01/27/1981US4247495 Method of producing PuO2 /UO2 /-nuclear fuels
01/27/1981US4246783 Spring-force measuring device
01/13/1981US4244784 Construction of nuclear reactor core
01/13/1981CA1093293A1 Sintering nuclear fuel pellets
01/07/1981EP0021912A1 Method and device for fixing a guiding tube of a nuclear fuel element assembly to the end plates of said assembly
01/07/1981EP0021664A1 Fuel element assembly
12/1980
12/23/1980US4240876 Nuclear fuel assembly
12/16/1980US4239597 Nuclear fuel spacer grid
12/16/1980CA1091828A1 Spacer assembly retainer arrangement
12/10/1980EP0019853A1 Pouring solution containing uranyl nitrate for the manufacture of spherical nuclear fuel particles and process for its manufacture
12/09/1980CA1091367A1 Nuclear fuel element nut retainer cup
12/09/1980CA1091365A1 Radionuclide deposition control
12/02/1980US4236966 Nuclear reactor
11/1980
11/26/1980EP0019346A1 A cladding tube for a nuclear fuel element consisting of an alloy which contains nickel
11/25/1980US4235740 Oxidizing a uranium and plutonium nitrate solution, mixing with an ammonium carbonate, oxalate, or carbamate to precipitate the complex, calcining
11/25/1980US4235673 Chip sleeve for nuclear fuel elements
11/25/1980US4235669 Nuclear reactor composite fuel assembly
11/18/1980US4234385 Clad covering of an austenitic stainless steel
11/18/1980US4233834 Method and apparatus for producing zircaloy tubes and zircaloy tubes thus produced
11/18/1980CA1089937A1 Apparatus for welding an end plug in a nuclear fuel tube
11/11/1980US4233086 In a copper lined zirconium alloy tube by exposing to steam, oxidizing the zirconium but not the copper
11/11/1980CA1089192A1 Production of uranium dioxide
11/04/1980US4231976 Process for the production of ceramic plutonium-uranium nuclear fuel in the form of sintered pellets
11/04/1980CA1089122A1 Demountable fuel wrapper for nuclear reactor
10/1980
10/21/1980US4229260 Nuclear reactor fuel element
10/21/1980US4229259 Grid sleeve bulge tool
10/21/1980US4229258 Fuel assembly
10/21/1980CA1088225A1 Nuclear reactor spring strip grid spacer
10/21/1980CA1088224A1 Grid lattice with sliding strap
10/21/1980CA1087879A1 Dispersion strengthened ferritic alloy for use in liquid-metal fast breeder reactors (lmfbrs)
10/15/1980EP0017508A1 Leaf spring puller for nuclear fuel rods
10/07/1980US4227081 Method of evaluating the integrity of the outer carbon layer of triso-coated reactor fuel particles
10/07/1980US4226647 Continuous matrix of intermetallic of zirconium and aluminum
09/1980
09/30/1980US4225388 Crack detection cell for checking the leakproofness of fuel element units
09/30/1980US4225387 Liquid metal cooled past breeder nuclear reactors
09/30/1980CA1086872A1 Hydraulic fuel hold down
09/23/1980US4224107 Spacer grids for a nuclear reactor fuel assembly
09/23/1980US4224106 Plate-type nuclear fuel element
09/23/1980CA1086444A1 Process for loading weak-acid ion exchange resin with uranium
09/09/1980US4221636 Grids for bringing about the spacing of a group of sheathed fuel rods in a nuclear reactor
09/09/1980US4221182 Fluidized bed gas coating apparatus
09/03/1980EP0015252A1 Method of depositing carbon layers
09/02/1980US4220614 Compaction and heating mixture of zirconium, carbon and uranium monocarbide
08/1980
08/26/1980US4219386 PWR Integral tie plate and locking mechanism
08/26/1980CA1084637A1 Tight connection between fission gas discharge channels
08/26/1980CA1084636A1 Sealing of containers in a controled atmosphere by magnetic welding
08/12/1980US4217174 Manufacture of nuclear fuel compacts
08/12/1980CA1083730A1 Nuclear reactor fuel assembly spacer grid
08/12/1980CA1083336A1 Sintered ceramics having controlled density and porosity
08/05/1980CA1083270A1 Fuel assembly spacer
07/1980
07/23/1980EP0013517A1 Device for supporting and coolant-feeding a nuclear reactor fuel assembly
07/15/1980US4212898 Coating nuclear fuels with carbon and/or silicon carbide, classification by flotation
07/15/1980US4212686 Zirconium alloys
07/15/1980CA1081673A1 Tritium removal and retention device
07/15/1980CA1081436A1 Remote nuclear green pellet processing system
07/09/1980EP0012915A1 Process for manufacturing oxidic nuclear fuel elements
07/08/1980CA1081375A1 Utilization of heavy elements such as lead or bismuth in thermal and epithermal reactors
07/08/1980CA1081374A1 Nuclear fuel rod inspection structure
07/01/1980CA1080513A1 Zirconium alloy heat treatment process and product
07/01/1980CA1080462A1 Process for producing fuel particles and fertile material particles
06/1980
06/24/1980US4209492 Arrangement for the production of spherical particles from drops of aqueous nitrate solutions of uranium, plutonium or thorium, or mixtures of these materials for fuel and breeder elements for nuclear reactors
06/17/1980US4208249 Hydraulic seismic support for nuclear fuel assembly
06/17/1980US4208248 Fuel assembly with a removable end fitting
06/17/1980CA1079873A1 Nuclear fuel stress corrosion prevention
06/17/1980CA1079872A1 Axially alignable nuclear fuel pellets
06/10/1980CA1079420A1 Assembly mechanism for nuclear fuel bundles
06/10/1980CA1079054A1 Nuclear fuel pellet design to minimize dimensional changes
05/1980
05/20/1980CA1077703A1 Process to minimize cracking of pyrolytic carbon coatings
05/13/1980US4202849 Method for making nuclear fuel element
05/13/1980US4202793 Production of microspheres of thorium oxide, uranium oxide and plutonium oxide and their mixtures containing carbon
05/13/1980US4202732 Tight connection between fission gas discharge channels
05/13/1980US4202730 Radionuclide deposition control
05/13/1980US4202726 Liquid metal cooled fast breeder nuclear reactors
05/13/1980CA1077626A1 Nuclear fuel element end fitting
04/1980
04/29/1980US4200492 Nuclear fuel element
04/29/1980US4200460 Zirconium-nickel-titanium
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