Patents
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
06/1984
06/27/1984EP0111817A2 End closure for a fuel element of a nuclear reactor with a tendency to store the fission products of a defective element
06/26/1984CA1169643A1 Method for producing mixed-oxide nuclear fuel pellets soluble in nitric acid
06/13/1984EP0110090A2 Nuclear reactor fuel assembly
06/12/1984US4454093 Fuel assembly with a water distribution channel
06/05/1984US4452755 Fuel rod retention device for a nuclear reactor
06/05/1984CA1168769A1 Fuel rod for a nuclear reactor
06/05/1984CA1168768A1 Fuel assembly with a water flow separated from the fuel rods
05/1984
05/30/1984EP0109902A1 Set-up for repairing a nuclear fuel assembly
05/23/1984EP0108907A1 Nuclear reactor fuel assembly with an easily extractable rod support grid
05/22/1984US4450016 Method of manufacturing cladding tubes of a zirconium-based alloy for fuel rods for nuclear reactors
05/22/1984CA1167984A1 Reactor plug
05/15/1984US4448745 Lateral support for nuclear fuel assemblies
05/15/1984US4448561 Screwed safety assembly
05/08/1984USRE31583 Fuel assembly hold-down device
05/08/1984CA1167176A1 Fuel bundle with skewed elements
05/08/1984CA1166938A1 Method of producing pressure tubes
05/01/1984US4445942 Method for forming nuclear fuel containers of a composite construction and the product thereof
04/1984
04/25/1984EP0106347A1 Process for fabricating a nuclear fuel element
04/18/1984EP0105779A1 Appliance and process for welding nuclear fuel assembly structural elements
04/10/1984CA1165067A1 Method of improving the green strength of nuclear fuel pellets, and product thereof
04/04/1984EP0104521A2 Process for producing ceramic fuel pellets
03/1984
03/28/1984EP0104119A1 Process and installation for assembling frame members in grids
03/27/1984US4439402 Nuclear fuel conversion systems
03/21/1984EP0103444A2 Fuel grid with sleeves welded in notched grid straps
03/20/1984US4438050 Sintering uranium oxide with rare earth oxides
03/14/1984EP0102837A2 Calibration of automated laser machining apparatus
03/14/1984EP0102836A2 Movable machining chamber with rotatable work piece fixture
03/14/1984EP0102835A2 Apparatus and method for laser machining in a non-reactive environment
03/14/1984EP0102834A2 Pulsed laser machining apparatus
03/13/1984US4436677 Nuclear fuel fabrication process
03/07/1984EP0102251A2 Plural computer control for shared laser machining
02/1984
02/28/1984US4433721 Spacer grid for supporting rod-shaped members
02/28/1984CA1163024A1 Fuel assembly with a water flow separated from the fuel rods
02/22/1984EP0101241A2 Nuclear fuel spacer grid
02/21/1984US4432915 Method for producing nuclear fuel pellets, and product thereof
02/14/1984US4431603 Boron, lithium or beryllium-containing mass in bellows
02/14/1984US4431164 Process and apparatus for producing microspheres
02/08/1984EP0100026A2 Process for the treatment of plutonium oxide and/or mixed oxide of plutonium and uranium
02/07/1984US4430276 Method of making stable UO2 fuel pellets
01/1984
01/31/1984US4428903 Fuel rod fission gas crimping arrangement and method
01/25/1984EP0099323A2 Nuclear fuel assembly
01/25/1984EP0099322A2 Nuclear fuel assembly for a boiling water nuclear reactor
01/24/1984US4427721 Cracker tubes, refractory oxide
01/24/1984US4427624 Composite nozzle design for reactor fuel assembly
01/24/1984US4427622 Alignment tool for spacers of nuclear reactor fuel assemblies
01/24/1984US4427579 Method of producing fugitive binder-containing nuclear fuel material
01/18/1984EP0098774A1 Dismountable device for fixing a guide tube in the end plate of a nuclear reactor fuel assembly
01/18/1984EP0098696A1 Fuel element for nuclear reactor
01/18/1984EP0098617A1 Fuel spacer
01/17/1984US4426355 Spacer grid for nuclear fuel assembly
01/17/1984US4426338 Compression molding, then grinding
01/17/1984CA1160764A1 Spacer grid corner gusset
12/1983
12/13/1983US4420458 Water tube-fuel rod spacer arrangement
12/13/1983US4420457 Fuel assembly
11/1983
11/29/1983US4418036 Inconel and zircaloy grids
11/22/1983US4416852 Fuel assembly for boiling water reactor
11/22/1983US4416848 Device for fixing a guide tube
11/22/1983CA1157581A1 Space grate for fuel elements of nuclear reactors
11/16/1983EP0094255A2 Maximum power capability blanket for nuclear reactors
11/16/1983EP0093901A1 High uranium utilization fuel rod for light water reactors
11/15/1983US4415526 Semiconductor
11/08/1983US4414262 Shaped body of a settable mineral material with reinforcement fibers embedded therein
11/02/1983EP0092623A1 Precipitation hardening austenitic superalloys
11/01/1983CA1156036A1 Fluidized bed oven and method of emptying the same
11/01/1983CA1156008A1 Process and apparatus for producing microspheres
10/1983
10/26/1983EP0092475A1 Method of treating a metallic oxide powder, and its use in producing nuclear fuel pellets
10/25/1983US4411862 Spacer grating for fuel element in a nuclear reactor
10/25/1983US4411861 Forming a protective coating and deforming
10/11/1983US4409157 Method for improved decomposition of metal nitrate solutions
10/04/1983US4407230 Gas-feed nozzle for a pyrolytic particle coating apparatus
09/1983
09/20/1983US4406012 Nuclear fuel elements having a composite cladding
09/14/1983EP0088675A1 Nuclear reactor fuel assembly
09/07/1983EP0088021A1 Process and device for making nuclear reactor structures by laser pulse welding and zirconium alloy grids obtained by this process
08/1983
08/30/1983US4401608 Method for enlarging grain size of uranium oxide
08/24/1983EP0086427A1 Fuel assembly for boiling water reactor
08/16/1983US4398552 Apparatus for pickling the inner wall of tubular material
08/10/1983EP0085627A1 Fuel assembly with burnable poison
08/10/1983EP0085553A2 Zirconium alloy fabrication processes
08/09/1983US4397778 Coprocessed nuclear fuels containing (U, Pu) values as oxides, carbides or carbonitrides
08/03/1983EP0084988A1 Nuclear reactor fuel assembly end fitting comprising a resiliently biased rigid lever
08/03/1983EP0084947A2 Bracing grids for nuclear reactor fuel sub-assemblies
08/02/1983US4396573 Space grate for fuel-elements of nuclear reactors
08/02/1983US4396560 Particles can contain thorium, uranium or plutonium
07/1983
07/27/1983EP0084481A2 Nuclear reactor fuel assembly spacer grid having opposing pointed supports situated on resilient lamellae
07/27/1983EP0084480A2 Nuclear reactor fuel assembly end fitting having resilient walls
07/27/1983EP0084129A2 Method for treating nuclear fuel scrap
07/19/1983CA1150423A1 Fuel assembly
07/12/1983US4393510 Reactor for production of U-233
07/05/1983US4391771 Arrangement for retaining a fuel rod in a reconstitutable fuel assembly
06/1983
06/29/1983EP0082660A1 Apparatus for use in liquid alkali environment
06/28/1983US4390497 With zirconium barrier layer on inside surface of zirconium alloy tube
06/22/1983EP0082075A1 Method and tool for manufacturing a fuel assembly for a light water nuclear reactor
06/22/1983EP0081773A2 Method of separating textured graphite and nuclear fuel in nuclear fuel pins and oven suitable therefor
06/21/1983US4389369 Bi-metallic grid for a nuclear reactor fuel assembly
06/21/1983US4389355 Sintering UO2 and oxidation of UO2 with microwave radiation
06/21/1983US4389341 Fugitive binder-containing nuclear fuel material and method of production
06/15/1983EP0081431A1 Fixing device for a fuel assembly on the lower core supporting grid in a nuclear reactor
06/15/1983EP0081429A1 Additional shut-off device for an undermoderated water cooled nuclear reactor
06/15/1983EP0081428A1 Fuel assembly for an under-moderated nuclear reactor
06/15/1983EP0081013A1 Tube support structures
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