Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332) |
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06/30/1987 | US4676935 Milling uranium and plutonium dioxides with a propanediol |
06/30/1987 | US4675961 Replacement of split-pin assemblies in guide tubes |
06/24/1987 | EP0226442A1 Latching device for releasably attaching elongate members to top nozzles of nuclear fuel assemblies |
06/23/1987 | US4675154 Flexible mounting member, avoiding excessive side forces on fuel rod spacers |
06/23/1987 | US4675153 Zirconium alloy fuel cladding resistant to PCI crack propagation |
06/16/1987 | US4673545 Hydraulic or pneumatic jaws; non destructive |
06/16/1987 | US4672791 Apparatus for applying an end plug to an end of a fuel rod tube |
06/16/1987 | EP0225511A2 Pressurized water reactor having disconnectable two-piece drive rod assemblies |
06/10/1987 | EP0225114A1 System for ultrasonically cleaning tubes for nuclear fuel rods or similar rods |
06/10/1987 | EP0225089A1 Wear resistant zirconium base alloy rod support arrangement for water reactors |
06/10/1987 | EP0225032A1 Nuclear reactor fuel retainer |
06/10/1987 | EP0224728A1 Boiling water nuclear reactor fuel assembly |
06/10/1987 | EP0144336B1 Combustible assembly with high combustion level for nuclear reactors |
06/09/1987 | US4672162 Electric arc apparatus for severing split-pin assemblies of guide tubes of nuclear reactors |
06/09/1987 | US4671927 Nuclear fuel rod containing a hybrid gadolinium oxide, boron carbide burnable absorber |
06/09/1987 | US4671926 Fuel assembly for a nuclear reactor |
06/09/1987 | US4671924 Hold-down device of fuel assembly top nozzle employing leaf springs |
06/09/1987 | US4671904 Method for producing oxidic sintered nuclear fuel bodies |
06/09/1987 | US4671826 Method of processing tubing |
06/02/1987 | US4670213 Removable top nozzle subassembly for a reconstitutable nuclear fuel assembly |
06/02/1987 | US4670198 Binder system for the manufacture of nuclear fuel pellets, and the method and product thereof |
05/27/1987 | EP0223342A1 Locking-tube removal and insertion fixture for use with reconstitutable nuclear fuel assemblies |
05/27/1987 | EP0223200A2 Fuel bundle assembly machine |
05/26/1987 | US4668469 Fastener locking device for attaching guide thimble to fuel assembly bottom nozzle |
05/26/1987 | US4668468 Reactivity control of nuclear fuel pellets by volumetric redistribution of fissile, fertile and burnable poison material |
05/26/1987 | US4668444 Process for the production of isotrophic spherical fuel or absorber elements for high temperature reactors |
05/26/1987 | US4668287 From tetrachlorides, magnesium, magnesium, chloride, linings, drains, sealing, melts |
05/26/1987 | US4667547 Apparatus and method for removing a top nozzle in reconstituting a fuel assembly |
05/20/1987 | EP0222623A1 Fixture for rectifying guide-thimble damage in reconstitutable nuclear fuel assemblies |
05/19/1987 | US4666684 Calcinining ammonium diuranate without condensation of ammonium fluoride from off-gas stream |
05/19/1987 | US4666664 Equalizing hydraulic pressure |
05/19/1987 | US4666663 Nuclear reactor fuel assembly |
05/19/1987 | US4666653 Fuel assembly with cooled guide tubes for a nuclear reactor |
05/19/1987 | US4666639 Process for the production of spherical fuel elements |
05/13/1987 | EP0221641A1 Reconstitutable nuclear fuel assembly |
05/12/1987 | US4664882 Boiling water reactor |
05/12/1987 | US4664881 Zirconium base fuel cladding resistant to PCI crack propagation |
05/12/1987 | US4664880 Wire mesh debris trap for a fuel assembly |
05/12/1987 | US4664879 Guide tube flow restrictor |
05/12/1987 | US4664878 Light water moderator filled rod for a nuclear reactor |
05/12/1987 | US4664875 Replacing on guide thimbles |
05/12/1987 | US4664874 Reusable locking tube insertion and removal fixture and method in a reconstitutable fuel assembly |
05/12/1987 | CA1221775A1 Cooled tube fuel assembly for nuclear reactor |
05/05/1987 | US4663119 Method and apparatus for securing structural tubes in nuclear reactor fuel assemblies |
05/05/1987 | US4663118 Avoids stress of parts with differential thermal expansion |
05/05/1987 | US4663117 Multi-pins in hexagonal wrapper, stabilized by spaced grids |
05/05/1987 | US4663114 Apparatus for handling nuclear fuel assemblies and assembly adapted to such an apparatus |
05/05/1987 | US4663093 Preparation of nuclear fuel spheres by flotation-internal gelation |
05/05/1987 | US4662051 Apparatus for applying an end plug to an end of a fuel rod tube |
04/29/1987 | EP0220060A2 Fuel assembly support grids |
04/28/1987 | US4660270 Apparatus and method for applying an end plug to a fuel rod tube end |
04/28/1987 | CA1220935A1 Method and tunnel furnace for sintering blanks |
04/28/1987 | CA1220934A1 Method for treating plutonium oxide and/or plutonium- uranium mixed oxide |
04/22/1987 | EP0219038A2 Nuclear fuel assembly |
04/22/1987 | EP0218924A2 A method of manufacturing sintered nuclear fuel bodies |
04/22/1987 | CN86105616A Method and apparatus for clearing short-circuited, high-voltage cathodes in a sputtering chamber |
04/21/1987 | US4659545 Hydride blister-resistant zirconium-based nuclear fuel rod cladding |
04/21/1987 | US4659544 Unitary structure of tag gas capsule and end cap of nuclear fuel cladding tube |
04/21/1987 | US4659543 Cross brace for stiffening a water cross in a fuel assembly |
04/21/1987 | US4659542 Grid structure for nuclear fuel assembly |
04/21/1987 | US4659541 Nuclear fuel rod support grid with improved multiple dimple arrangement |
04/21/1987 | US4659540 Composite construction for nuclear fuel containers |
04/21/1987 | US4659538 Apparatus for limiting the effect of axial hydraulic flow force exerted on fuel assemblies of water-cooled nuclear reactors |
04/21/1987 | US4659537 A skeleton; guide tubes, fuel rods maintained by grids between end pieces |
04/15/1987 | EP0218353A1 Grid-spring repair apparatus |
04/14/1987 | US4657733 Fuel assembly for a nuclear reactor |
04/14/1987 | US4657729 Solid tags for identifying failed reactor components |
04/14/1987 | US4657725 Core for a nuclear reactor cooled by water under pressure |
04/14/1987 | US4656734 Apparatus for replacement of guide pins of a guiding tube forming part of the top internal equipment of a pressurized water nuclear reactor |
04/14/1987 | CA1220575A1 Void plug for annular fuel pellets |
04/07/1987 | US4656015 Continuous process for the production of powdered uranium dioxide from uranyl nitrate |
04/07/1987 | US4656000 Greater coolant flow rate through core |
04/07/1987 | US4655995 Reversible BWR fuel assembly and method of using same |
04/07/1987 | US4655990 Fuel assemblies for nuclear reactors |
04/07/1987 | US4655978 Method and tunnel furnace for sintering blanks |
04/01/1987 | CN86107200A Fuel assembly support grids |
03/31/1987 | US4654194 Inlet nozzle assembly |
03/31/1987 | US4654193 Stress reduction in fuel pins |
03/31/1987 | US4653180 Tool for producing a nuclear reactor fuel assembly |
03/26/1987 | DE3533317A1 Nuclear reactor fuel element |
03/26/1987 | DE3532797A1 Process for operating a nuclear reactor |
03/24/1987 | US4652427 Nuclear reactors |
03/24/1987 | US4652426 Providing coolant-moderator water flow lengthwise |
03/24/1987 | US4652425 Bottom grid mounted debris trap for a fuel assembly |
03/24/1987 | US4652421 Outer grid strap protruding spring repair apparatus |
03/24/1987 | US4652416 For reactors with spectral shift |
03/24/1987 | US4651403 Apparatus and method for loading fuel rods into grids of a fuel assembly |
03/18/1987 | EP0214895A1 Nuclear-fuel assembly with a holding structure and anti-blow-out device |
03/17/1987 | US4649632 Fuel bundle assembly machine |
03/11/1987 | EP0213813A2 Nuclear fuel assembly including a debris trap |
03/11/1987 | EP0213716A2 Method and apparatus for removing short-circuiting deposits from high-voltage cathodes in a sputtering chamber |
03/11/1987 | CN85106420A Individual source positioning mechanism for a nuclear reactor fuel assembly |
03/10/1987 | US4649023 Process for fabricating a zirconium-niobium alloy and articles resulting therefrom |
03/10/1987 | US4649021 Minimizes maldistribution of flow |
03/10/1987 | US4649020 Nuclear fuel assembly and nuclear reactor operating process comprising application thereof |
03/04/1987 | EP0212902A2 Method of removing and replacing locking screws in a nuclear fuel assembly |
03/04/1987 | EP0212351A1 Fuel rod for a nuclear-fuel assembly |
03/04/1987 | EP0211854A1 Fuel element for nuclear reactor. |
03/03/1987 | US4646431 Device for positioning hair pin springs on plates, more especially for fuel assembly grids |
03/03/1987 | US4646415 Device and method for unfastening and lifting a top nozzle subassembly from a reconstitutable fuel assembly |