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)
03/1982
03/31/1982EP0048343A1 Reconstitutable fuel assembly for a nuclear reactor
03/24/1982EP0048099A1 Process for removing water from gel materials
03/23/1982US4321111 Nuclear fuel assembly lock
03/17/1982EP0047422A2 Tool for resetting a spacer grid of a nuclear-reactor fuel assembly
03/10/1982EP0047082A1 Method of production of cladding tube for nuclear fuel element
02/1982
02/23/1982US4316771 Nuclear fuel stress corrosion prevention
02/23/1982CA1118916A2 Nuclear reactor of the pressurized water type
02/16/1982CA1118301A1 Coatings
02/09/1982US4314952 Process of preparing sintered urandium dioxide pellets
02/09/1982US4314884 Nuclear fuel assembly
02/09/1982US4314880 Hydrogen permeation resistant barrier
02/02/1982US4313797 Nuclear fuel assembly
02/02/1982US4313796 Guide post modification for nuclear fuel assembly
01/1982
01/26/1982US4312707 Low cost device for monitoring leakage
01/26/1982US4312706 Spacer grid assembly and locking mechanism
01/26/1982US4312705 Sheet metal grid
01/19/1982US4311559 High temperature gas cooled nuclear reactors
01/05/1982US4309250 Between-cycle laser system for depressurization and resealing of modified design nuclear fuel assemblies
01/05/1982CA1115863A1 Nuclear fuel assembly guide tube
12/1981
12/22/1981US4306938 Reactor core element with pad
12/22/1981US4306937 Spacer grid for fuel elements and method of production
12/09/1981EP0041349A1 Nuclear reactor fuel elements
12/09/1981EP0041259A1 Fluidised furnace and process for emptying it
12/08/1981US4304742 Process for the continuous removal of undesirable components of solid particles by a solvent applied in counterflow
12/08/1981US4304635 Fuel assembly for nuclear boiling-water reactors
12/08/1981US4304631 For nuclear reactors
12/08/1981CA1114077A1 Nuclear fuel element having a composite coating
12/02/1981EP0041014A1 Attachment device for a guide tube of a nuclear fuel element assembly to the end fittings of said assembly
12/01/1981US4303476 Dismountable fuel assembly for nuclear reactor
12/01/1981US4303474 Flow restrictors for coolant
11/1981
11/24/1981US4302295 Nuclear fuel element
11/24/1981US4302294 Nuclear reactor fuel assemblies
11/24/1981US4302289 Method of exchanging fuel in a nuclear reactor
11/03/1981US4298495 Countercurrent hydrogen gas flow through material in carbon crucible which reacts with water product
11/03/1981US4298434 Bottom mounted fuel holddown mechanism
11/03/1981US4297776 Leaf spring puller for nuclear fuel rods
10/1981
10/27/1981US4297305 Nuclear fuel recycling system
10/27/1981US4297246 Wherein said refractory oxide is ceria, zirconia, or titania
10/27/1981US4297171 Nuclear reactor fuel assembly
10/27/1981US4297170 Cells separated by grids
10/27/1981US4297169 Nuclear fuel assembly and process
10/27/1981US4297168 Nuclear fuel assembly and process
10/20/1981US4295935 Including a member formed of zircaloy with stainless steel strips attached
10/13/1981US4294660 Spacer assembly retainer arrangement
10/13/1981US4294659 Apparatus for use in a liquid alkali metal environment
10/13/1981CA1110783A1 Fuel assembly with a removable end fitting
10/06/1981US4293507 Preparation of shaped bodies
10/06/1981CA1110050A1 Free flowing uo.sub.2 powder
09/1981
09/30/1981EP0036821A1 Guide tubes for light water nuclear reactor fuel assemblies
09/30/1981EP0036820A1 Device for the limitation of the effects of axial hydraulic pressure on the fuel assemblies of a nuclear reactor
09/29/1981US4292132 Hydraulically centered control rod
09/29/1981US4292130 Remotely assemblable and disassemblable fuel assembly for nuclear reactors
09/29/1981US4292127 Nuclear fuel pins
09/29/1981CA1109663A1 Method for treating a particulate nuclear fuel material
09/23/1981EP0036214A2 Process for making mixed oxide nuclear fuel pellets soluble in nitric acid
09/23/1981EP0036142A1 Bundle of fuel elements
09/02/1981EP0034733A1 Method for treating a tube of a zirconium-based alloy when applying a protective layer
09/01/1981CA1108316A1 Integral nuclear fuel element assembly
08/1981
08/25/1981US4285771 Of the open-lattice type
08/25/1981US4285769 Control cell nuclear reactor core
08/18/1981US4284660 Electroless deposition process for zirconium and zirconium alloys
08/18/1981US4284593 Preparation of shaped bodies
08/18/1981US4284475 Wear sleeve for control rod guide tube
08/18/1981US4284473 For detecting floating core components in liquid metal coolant
08/18/1981CA1107409A1 In-core fuel management for nuclear reactor
08/18/1981CA1107054A1 Process for the production of ceramic plutonium uranium nuclear fuel in the form of sintered pellets
08/11/1981CA1106983A1 Fuel assembly guide tube
08/05/1981EP0033263A2 Spacer grid for nuclear fuel assembly
08/04/1981US4282065 Fuel assembly for gas-cooled nuclear reactors
08/04/1981US4282064 Nuclear fuel element
08/04/1981CA1106242A1 Method for providing a diffusion barrier
08/04/1981CA1106213A1 Locking nut assembly
07/1981
07/28/1981US4280874 Nuclear reactor core structure with zones of varying enrichment
07/21/1981US4279700 Tritium removal and retention device
07/21/1981CA1105297A1 Assembly of two parts
07/14/1981US4278560 Method for manufacturing gadolinium-containing nuclear fuels
07/14/1981US4278559 Method for processing spent nuclear reactor fuel
07/14/1981US4278501 Spring element for holding down nuclear reactor fuel assembly
07/07/1981CA1104729A1 Apparatus for improving critical power ratio in a nuclear fuel bundle
07/07/1981CA1104336A1 Nuclear fuel assembly
06/1981
06/23/1981US4274921 Gas cooled, clusters
06/16/1981US4273616 High burnup nuclear fuel rod
06/09/1981US4272232 Particle blender
06/09/1981CA1102667A1 Process for enhancing the resistance of zirconium and its alloys to high temperatures
06/02/1981US4271207 Pyrolytic coatings
06/02/1981US4271102 Compression molding fissionable oxides or carbides
06/02/1981US4271101 Process for the production of spherical-shaped fuel elements for high temperature reactors
06/02/1981US4270979 Parallel flow collar for reducing vibration of a rod within a diffuser
05/1981
05/26/1981US4269661 Top nozzle for a nuclear reactor fuel assembly
05/19/1981US4268586 Corrosion resistant zirconium alloy structural components and process
05/19/1981US4268357 Nuclear fuel assembly
05/19/1981US4268356 Nuclear reactor fuel assembly grid
05/12/1981US4267019 Having a low-density coating of a uniform dispersion of pyrocarbon and silicon or zirconium carbide; nondiffusing
05/06/1981EP0027984A2 Boiling water reactor
05/05/1981US4265708 Radially channeled guide post for a nuclear fuel assembly
05/05/1981US4265010 Method and apparatus for adjusting the elevation of fuel rods in a nuclear reactor fuel assembly
05/05/1981CA1100302A1 High performance nuclear fuel element
04/1981
04/28/1981US4264540 Production of nuclear fuel pellets
04/22/1981EP0027203A1 Fuel element spacer grid for water cooled nuclear reactors
04/14/1981US4262039 Pyrolytic gas method of coating graphitic or ceramic articles with solids
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