Patents
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
03/1987
03/03/1987US4646414 Device for gripping and detaching a top nozzle subassembly from a reconstitutable fuel assembly
02/1987
02/24/1987US4645643 Adherent coatings or sleeves on guide tubes
02/24/1987US4645642 Hold down device for a nuclear reactor
02/24/1987US4645636 Measuring head for determining the pressure of fission gases released inside bars of nuclear fuel
02/24/1987CA1218230A1 Production of nuclear fuel products
02/18/1987CN86105033A Bottom grid mounted debris trap for fuel assembly
02/18/1987CN85106250A Loading process for briquet stove type nuclear reactor and the corresponding briquet stove type nuclear reactor
02/17/1987US4643873 Gas phase reaction of uranium hexafluroide with steam and hydrogen, then mechanical attrition of product
02/12/1987DE3527680A1 Nuclear reactor
02/10/1987US4642217 Fuel rod for a nuclear reactor having an improved end plug assembly
02/10/1987US4641409 Reconstituting a nuclear reactor fuel assembly
02/10/1987US4641408 Plugger guide for aligning an end plug and a fuel rod tube end
02/04/1987EP0210526A1 Nuclear-fuel assembly
02/04/1987EP0210486A1 A method of producing composite nuclear fuel cladding
02/03/1987US4640407 End plug orientation device
02/03/1987US4639998 Locking tube removal and replacement tool and method in a reconstitutable fuel assembly
02/03/1987US4639993 Nuclear fuel rod loading fixture for use in a remote repair system
02/03/1987CA1217359A1 Austenitic stainless steel for high temperature applications
01/1987
01/27/1987US4638556 Locking tube insertion fixture and method in a reconstitutable fuel assembly
01/27/1987US4638543 Locking tube removal fixture and method in a reconstitutable fuel assembly
01/24/1987CN85101508A An improved plug for fuel pipe
01/21/1987EP0209262A2 Nuclear fuel rod loading fixture for use in a remote repair system
01/21/1987CN86101123A Vessel of water reactor fuel
01/21/1987CN85105728A Nuclean reactor's fuel rod with an improved end ping assembly
01/20/1987US4637915 Nuclear reactor fuel assembly and method of forming same
01/20/1987US4637900 Fabrication of high exposure nuclear fuel pellets
01/14/1987CN85105433A Fuel assembly
01/13/1987US4636606 Method and apparatus for producing a reactor spacing grid by pulse laser welding
01/13/1987US4636352 Gadolinium and uranium oxide ceramic wafers
01/10/1987CN85101317A Hydride blister-resistant zirconium-based nuclear fuel rod cladding
01/07/1987CN86102042A Arrangement for loading fuel rods into grids of a fuel assembly
01/07/1987CN85105215A Fluid moderator control system fuel assembly seal connector
01/06/1987US4634571 Process for the production of plate-shaped fuel elements for research reactors
12/1986
12/31/1986CN85105151A Apparatus for coating nuclear pellets with a burnable absorber
12/30/1986US4632805 Greater variation in moderation ratio
12/30/1986US4632804 Fuel assembly for a boiling water reactor
12/30/1986EP0206586A2 Double lock joint for attaching top nozzle to guide thimbles of nuclear fuel assembly
12/30/1986EP0206163A2 Nuclear fuel assembly
12/30/1986EP0206162A2 Nuclear fuel assembly with bow-resistant structural members
12/30/1986EP0205920A1 Metod of manufacturing sintered oxidic nuclear-fuel bodies
12/30/1986EP0205733A1 Bolt connection
12/24/1986CN86102274A Reusable locking tube in a reconstitutable fuel assembly
12/23/1986US4631168 Nuclear reactor fuel assembly with a removable top nozzle
12/23/1986US4631167 Welds made before installing rods; hexagonal tube for rod bundle
12/23/1986US4631166 Axially shifted fuel rods; full consumption of fissile material
12/17/1986EP0205162A2 Reactor fuel assembly and nuclear reactor
12/17/1986CN86103992A Double lock joint for attaching top nozzle to guide thimbles of nuclear fuel assembly
12/16/1986US4629599 Burnable absorber arrangement for fuel bundle
12/16/1986US4628581 Apparatus and method for preassembling a top nozzle subassembly for a nuclear reactor fuel assembly
12/10/1986EP0204565A2 Process for coating the internal surface of a metal tube with a neutron absorber
12/10/1986EP0204288A2 Fuel assembly
12/09/1986US4627957 Nuclear fuel rod with porous plug closure
12/09/1986US4627142 Crimping
12/09/1986CA1214978A1 Zirconium alloy products and fabrication processes
12/03/1986CN86102359A Method for preparing oxide-muclear fuel sintered matter
12/03/1986CN85104367A Invertible bwr fuel assembly and the method of using it
12/02/1986US4626405 Cruciform skeleton and water cross for a BWR fuel assembly
12/02/1986US4625554 Device for tightening a nut on a fastening pin of a nuclear reactor guiding tube
12/02/1986US4625396 Pattern fuel assembly loading system
11/1986
11/26/1986CN86102224A Nuclear reactor spacer grid
11/25/1986US4624829 Nuclear fuel assembly channel spring and stop assembly and method of using same
11/25/1986US4624828 Stabilized against dissociation
11/20/1986EP0201859A1 Fuel bundle for use in a nuclear reactor
11/20/1986EP0201753A1 Apparatus for applying and end plug to an end of a nuclear fuel rod tube
11/20/1986EP0061043B1 Method to manipulate and/or store a nuclear reactor fuel element having an extended structure comprising fuel rods, and fuel element particularly intended for this method
11/19/1986CN86103034A Apparatus for applying an end plug to an end of a fuel rod tube
11/18/1986US4623512 Device for fixing a fuel array to the lower core-supporting plate in a nuclear reactor
11/12/1986CN86102031A Guide thimble captured locking tube in a reconstitutable fuel assembly
11/11/1986US4622204 Spacer grid for nuclear reactor fuel assembly
11/05/1986EP0200111A1 Improved boiling water nuclear reactor fuel assembly
11/05/1986EP0200046A1 Nuclear fuel rod support grid with improved multiple dimple arrangement
11/05/1986CN86102919A Nuclear fuel rod support grid with improved multiple dimple arrangement
11/05/1986CN86101874A Device and method for gripping and detaching a top nozzle subassembly from a reconstitutable fuel assembly
11/04/1986US4620960 Method and apparatus for removably mounting a top nozzle on a nuclear reactor fuel assembly
10/1986
10/29/1986EP0199647A1 Nuclear-fuel rod with maintained pellet stack
10/29/1986EP0199197A1 Fuel assembly
10/29/1986EP0199043A1 Device for gripping and detaching the top nozzle subassembly from a reconstitutable fuel assembly
10/22/1986EP0198281A1 Nuclear fuel assembly with a removable top nozzle
10/22/1986CN86102206A Debris-retaining trap for a fuel assembly
10/21/1986US4618472 Nuclear reactor fuel assembly with fuel rod removal means
10/21/1986US4618406 Thin oxide layer between metal and graphite; adhesion
10/14/1986US4617171 Device for fixing a guide tube in a recess on the end fitting of a nuclear reactor fuel assembly
10/14/1986US4617170 Assembly for a core of a nuclear reactor
10/14/1986US4617158 Process for treating a metal oxide powder
10/08/1986EP0196916A1 Reusable locking tube in a reconstitutable fuel assembly
10/08/1986EP0196655A1 Fuel assembly for nuclear reactor
10/08/1986EP0196611A1 Debris-retaining trap for a fuel assembly
10/08/1986EP0196610A1 Guide thimble captured locking tube in a reconstitutable fuel assembly
10/08/1986EP0196609A1 Arrangement for loading fuel rods into grids of a fuel assembly
10/08/1986EP0196598A1 Spacer grid of a nuclear reactor fuel assembly
10/08/1986CN86102234A Nuclear fuel assembly with a removable top nozzle
10/07/1986US4615862 Nuclear reactor with fuel assembly support means
10/07/1986US4615834 Process and apparatus for producing microspheres of fissile and/or fertile materials
10/01/1986EP0196286A1 Method of manufacturing tubes of zirconium alloys with improved corrosion resistance for thermal nuclear reactors
10/01/1986EP0196093A1 A process for treating an article made of metal selectec from tantalum, niobium and tantalum-niobium alloy
09/1986
09/30/1986US4614637 Agglomeration, heat treament
09/30/1986US4614636 Replacing conventional thimble plugs
09/24/1986EP0195155A1 Water reactor fuel cladding tubes
09/24/1986EP0195154A1 Water reactor fuel cladding tubes
09/23/1986US4613479 Nuclear reactor
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