Patents
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
01/1995
01/31/1995US5386440 Boiling water reactor
01/26/1995DE4423128A1 Reactor core for a boiling water nuclear reactor
01/26/1995DE4324287A1 Process for producing highly homogeneous zirconium actinide lanthanide alloys
01/25/1995EP0635846A1 Method for manufacturing nuclear fuel pellet
01/25/1995EP0635845A1 Inner liner for fuel cladding having zirconium barriers layers
01/25/1995EP0625279A4 Nonproliferative light water nuclear reactor with economic use of thorium.
01/24/1995US5384815 Hydraulic resistance strip for a light water reactor
01/24/1995US5384814 Lower tie plate strainers for boiling water reactors
01/18/1995EP0634753A1 Locking assembly for nuclear fuel bundles
01/18/1995EP0634752A1 Method for making fuel cladding having zirconium barrier layers
01/17/1995US5383229 Fuel assembly and reactor core
01/17/1995US5383228 Method for making fuel cladding having zirconium barrier layers and inner liners
01/17/1995US5383227 Method for modifying existing transition pieces in bottom entry nuclear fuel assemblies for reducing coolant pressure drop
01/17/1995CA1333958C Nuclear fuel and method of making compacts with precise amounts thereof
01/12/1995WO1995001639A1 Fuel element for pressurized-water reactor with guide tubes finally heat-treated in two steps
01/12/1995DE4422032A1 Stiffened fuel element
01/05/1995WO1995000956A1 Lower filtering nozzle for a fuel assembly in a nuclear reactor
01/05/1995WO1995000955A1 A nuclear fuel element for a pressurized water reactor and a method for manufacturing the same
01/04/1995EP0632469A1 Fuel assembly with reduced risk of dryout
01/04/1995CN1027254C Method for manufacturing of uranium di oxide pellets
12/1994
12/28/1994EP0630514A1 Nuclear reactor fuel rod with double layer cladding tube.
12/28/1994CN1027203C A protective vessel for a getter material
12/27/1994US5377247 Channel box containing fuel rods, some with uranium and plutonium but no burnable poison, some with uranium at top and bottom with middle section containing enriched uranium or plutonium and burnable poison in graded concentration
12/27/1994US5377246 Non-circular shape promotes improved thermal bonding in both cladding/barrier and barrier/fuel interface regions
12/27/1994US5377238 Device for the underwater machining of a spacer-grid of a fuel assembly for a nuclear reactor
12/22/1994WO1994029874A1 Fission product retaining nuclear fuel
12/21/1994CN1027110C Method and apparatus for producing grid of nuclear fuel element
12/21/1994CN1027108C Additional grid for a nuclear reactor fuel assembly comprising an application thereof
12/21/1994CN1027107C Grid having mixing fins for a nuclear fuel assembly
12/21/1994CN1027106C Lower connector of a fuel assembly of a nuclear ceactor cooled by light water
12/20/1994US5375155 Fuel assembly with rational screw fastenings of the upper tie plate to tubes or rods
12/20/1994US5375154 Reduced pressure drop spacer for boiling water reactor fuel bundles
12/20/1994US5375153 Coolant vent fuel rod and part length fuel rod having a reflex upper end fitting for a light water reactor
12/14/1994EP0628967A1 Nuclear fuel rod plugger
12/13/1994US5373541 Fuel pellets enclosed in cladding having inner layer of zirconium alloy containing tin, iron, chromium, outer layer additionally containing oxygen and/or niobium
12/08/1994DE4418500A1 Fuel element for a boiling water reactor
12/07/1994EP0627743A1 Inserting an end plug into a fuel pin cladding tube
12/07/1994EP0627609A1 Method for determining thickness of material deposition on nuclear fuel rods
12/06/1994US5371769 Fuel rod support grids for fuel assembly
12/06/1994US5371768 Swirl type spacer for boiling water reactor fuel
12/06/1994US5369866 Method for insertion or removal of fuel rods into or from a grid of a nuclear fuel assembly
11/1994
11/30/1994EP0626464A1 Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture
11/24/1994WO1994026405A1 Improvements in or relating to rotary kilns
11/24/1994WO1994026116A1 Hexagonal grid comprising interleaved castled strips
11/24/1994CA2139340A1 Improvements in or relating to rotary kilns
11/23/1994EP0625279A1 Nonproliferative light water nuclear reactor with economic use of thorium
11/22/1994US5367549 Hexagonal grid
11/22/1994US5367548 Guide tube retainer
11/22/1994US5367547 Fuel assembly for boiling water reactor and core
11/17/1994EP0624882A1 Zircaloy tubing having high resistance to crack propagation
11/17/1994EP0624659A1 Reduction of manganese content of stainless alloys
11/15/1994US5365558 Fuel assembly for a boiling water reactor, with a foot assembled from standardized parts
11/15/1994US5365557 Fuel assembly of a nuclear reactor with a grid structure for producing spin
11/10/1994WO1994025965A1 Spacer grid rod support system
11/10/1994WO1994025964A1 Fuel rod with predetermined anticipated perforation
11/10/1994DE4326356A1 Fuel element and place-keeper for fuel elements
11/08/1994US5363423 Quick release top nozzle assembly
11/08/1994US5363422 Spacer for retaining fuel rods in a nuclear reactor fuel assembly
11/08/1994US5362426 Nuclear fuel pellets and method of manufacturing the same
11/02/1994EP0622470A1 Method of fabricating zircaloy tubing having high resistance to crack propagation
11/01/1994US5361288 Spacer with integral zircaloy springs
11/01/1994US5361287 Nuclear fuel assembly lower end fitting
11/01/1994US5361283 In a reconstitutable fuel assembly
11/01/1994US5361282 Dimensionally stable and corrosion-resistant fuel channels and related method of manufacture
11/01/1994US5361280 Method for reading a nuclear fuel assembly identification code
10/1994
10/26/1994EP0621606A1 Method for assembling fuel assembly
10/26/1994EP0621605A1 Nuclear fuel rod with failure alleviating means
10/25/1994US5359634 Reactor core for a boiling water nuclear reactor
10/25/1994US5359633 Assembly method and grid for nuclear fuel assembly
10/23/1994CA2094623A1 Fuel bundle end support
10/19/1994EP0620559A1 Reduced pressure drop spacer for boiling water nuclear reactor fuel bundles
10/19/1994EP0620558A1 Debris catching arrangement for boiling water reactors
10/13/1994WO1994023081A1 Zirconium-based material, article made of the said material for use in the active zones of atomic reactors, and a process for obtaining such articles
10/12/1994EP0619581A1 Optimized critical power in a fuel bundle with part length rods
10/04/1994US5353317 Shipping shim for nuclear reactor fuel assemblies
09/1994
09/29/1994WO1994022146A1 Pressurized-water reactor in which the coolant-distribution pressure is individually matched to each bundle of fuel rods
09/29/1994WO1994021834A1 Corrosion-proof zirconium alloys, in particular for water reactors
09/29/1994DE4409385A1 Fuel arrangement and method for producing water rods
09/29/1994CA2158468A1 Corrosion resistant zirconium alloys usable in water reactors
09/28/1994EP0617430A1 Plutonium annihilating nuclear reactor with use of liquid nuclear fuel
09/27/1994US5350542 Separation of troublesome isotopes from erbium and gadolinium isotope mixtures
09/27/1994US5350161 Nuclear reactor grid strip cantilever spring with nonuniform material characteristics
09/21/1994EP0616339A1 Method of estimating crystal grain size of nuclear fuel pellet
09/21/1994EP0616043A1 Austenic steel for structural members having superior resistance to neutron irradiation embrittlement, and use of the steel in nuclear reactors
09/20/1994US5349619 Fuel assembly for light water reactor and light water reactor core
09/20/1994US5349618 In a boiling water reactor
09/15/1994WO1994020962A1 Mixing spacer grid for pwr and bwr applications
09/13/1994US5347560 Fuel assembly with secured rod ends at the foot
09/13/1994US5347550 Core of light-water reactor
09/07/1994EP0614195A1 Fret resistant fuel rod with zirconium oxide layer
09/06/1994US5345488 Nuclear fuel rod having concave weld across pressurization hole in end plug
09/06/1994US5345487 Spacer capture method for rectilinear sectioned water rods
09/06/1994US5345486 Fuel bundle with improved resistance to bulge and improved critical power performance
09/06/1994US5345485 Coolant vent fuel rod for a light water reactor
09/06/1994US5345483 Lower tie plate strainers having double plate with offset holes for boiling water reactors
08/1994
08/31/1994EP0613152A1 Mid-enrichment axial blanket for a nuclear reactor fuel rod
08/31/1994EP0471770B1 Method of sealing a fuel rod by welding
08/30/1994US5343508 Spacer grid retainer
08/30/1994US5343504 Nuclear fuel bundle spacer spring constant gauge
08/30/1994US5341678 Method for determining thickness of ferromagnetic material deposition on nuclear fuel rods
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