Patents
Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332)
02/1996
02/21/1996EP0697128A1 Fuel rod with predetermined anticipated perforation
02/20/1996US5493592 Interior of zircaloy
02/20/1996US5493590 Critical power enhancement system for a pressurized fuel channel type nuclear reactor using CHF enhancement appendages
02/14/1996EP0696805A1 Fuel rod bundle spacer with flow directing tabs
02/14/1996EP0696377A1 Spacer grid rod support system
02/13/1996US5491733 Nuclear fuel rod assembly apparatus
02/13/1996US5490418 Device for measuring the force exerted by a grid spring
02/08/1996WO1996003752A1 Fuel rod assembly put together by means of pegs
02/06/1996US5490192 Fuel assembly
02/06/1996US5490191 BWR nuclear fuel assembly
02/06/1996US5490190 Alignment pin and method for aligning a nuclear fuel assembly with respect to a core plate disposed in a nuclear reactor pressure vessel
02/06/1996US5490189 Nuclear fuel assembly debris filter
02/01/1996WO1997002576A1 Metal alloy coating for mitigation of stress corrosion cracking of metal components in high-temperature water
01/1996
01/30/1996US5488644 Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules
01/30/1996US5488634 Lower tie plate debris catcher for a nuclear reactor
01/24/1996EP0693752A1 Method of forming grids for nuclear fuel assembly and grids formed by same method
01/17/1996EP0692795A1 Spring assembly for biasing fuel rods in adjoining ferrules and spacer formed of the ferrules and spring assemblies
01/17/1996EP0692794A1 Nuclear fuel bundle with spacers of different configurations
01/17/1996EP0692793A1 Nuclear reactor fuel assembly comprising lower tie plate debris catcher
01/17/1996EP0692792A1 Nuclear fuel cladding
01/11/1996WO1996000966A1 Reduction of the neutron dose of a reactor vessel
01/11/1996DE19524694A1 Device for insertion and removal of nuclear fuel element fuel rods
01/10/1996EP0691657A1 Reactor core for a light water cooled reactor, fuel assembly and control rod
01/10/1996CN1030661C Zirlo material for light water reactor applications
01/09/1996US5483565 Fuel assembly for a boiling water reactor
01/09/1996US5483564 Lower tie plate strainers including double corrugated strainers for boiling water reactors
01/09/1996US5483563 Cleaning process for enhancing the bond integrity of multi-layered zirconium and zirconium alloy tubing
01/04/1996DE4433032C1 Safer nuclear reactor with combined water coolant and moderator
01/04/1996DE4431290C1 Safe nuclear reactor with continuous loading and unloading
01/04/1996DE4422823A1 Improved design of nuclear fuel element for square mesh spacers
01/03/1996EP0690454A1 Method for fabricating mixed oxide fuel
01/03/1996EP0690453A1 Boiling water reactor fuel assembly filter
01/03/1996EP0689714A1 Pressurized-water reactor in which the coolant-distribution pressure is individually matched to each bundle of fuel rods
01/03/1996EP0689616A1 Corrosion-proof zirconium alloys, in particular for water reactors
01/02/1996US5481579 Latching and lifting mechanism for a nuclear reactor fuel bundle
01/02/1996US5481578 Perforated tube debris catcher for a nuclear reactor
01/02/1996US5481577 Boiling water reactor fuel assembly filter
12/1995
12/28/1995WO1995035395A1 Method for the manufacture of tubes of a zirconium based alloy for nuclear reactors and their usage
12/27/1995EP0689211A1 Nuclear fuel assembly comprising a debris filter integrated in the bottom nozzle
12/27/1995EP0689210A1 Spring retention system for upper tie plate and fuel bundle channel in a nuclear reactor assembly
12/27/1995EP0689209A1 Method of operating a nuclear reactor containing a plurality of nuclear fuel channel boxes and manufacturing said boxes
12/26/1995US5479464 Expandable top nozzle and device for securing same to a nuclear fuel assembly
12/26/1995US5479461 Attachable debris filter for BWR nuclear fuel assemblies
12/26/1995US5478419 Heating cold-rolled product to beta range followed by rapid cooling
12/21/1995WO1995034899A1 Fuel assembly and spacer with a reinforcement part for a nuclear reactor
12/21/1995WO1995034898A1 Control of coolant flow in a nuclear reactor
12/19/1995US5477023 Laser engraving system and method for engraving an image on a workpiece
12/19/1995US5475913 Method for assembling fuel assembly
12/14/1995WO1995033689A1 Uranium oxide production
12/13/1995EP0549629B1 Fuel element with secured rod ends at the foot
12/13/1995CN1113267A Sheathing tube for a nuclear fuel rod
12/12/1995US5475723 Nuclear fuel cladding with hydrogen absorbing inner liner
12/05/1995US5473650 Lower tie plate debris catcher for a nuclear reactor
12/05/1995US5473649 Fuel element for a light-water nuclear reactor
11/1995
11/28/1995US5471514 Fuel element for a light-water nuclear reactor
11/23/1995DE4417949A1 Ceramic encapsulated fuel pellets with improved nuclear reactor safety
11/22/1995EP0683494A1 Apparatus and method for the assembly of a grid structure
11/21/1995US5469481 Method of preparing fuel cladding having an alloyed zirconium barrier layer
11/15/1995EP0682345A1 Dismountable retaining device for a guide tube of a fuel assembly
11/15/1995EP0549639B1 Fuel element for a boiling water reactor with a foot made of standard parts
11/08/1995EP0681299A1 Spacer capture method for rectilinear sectioned water rods
11/07/1995US5465282 Fuel assembly for a nuclear reactor
11/07/1995US5465281 Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water
11/07/1995US5464571 Once-through nuclear reactor fuel compounds
11/02/1995EP0680052A1 Hold-down apparatus for fuel assemblies
10/1995
10/24/1995US5461647 Drive tool for upper end fitting locking arrangement
10/13/1995CA2143233A1 Noble metal doping or coating of crack interior for strees corrosion cracking protection of metals
10/12/1995CA2145895A1 Insulated protective coating for mitigation of stress corrosion cracking of metal components in high-temperature water
10/11/1995EP0676771A1 Nuclear fuel cycle
10/11/1995EP0676770A1 Grid structure for supporting fuel rods in a nuclear reactor
10/05/1995WO1995026554A1 Spacer with hexagonal interstices
10/05/1995WO1995026553A1 Sealing device arround plug in nuclear reactor fuel channel
10/05/1995WO1995026426A1 Method and apparatus for coating inside surface of nuclear fuel rod cladding tubes
10/04/1995EP0674800A1 Manufacture of zirconium cladding tube with internal liner.
09/1995
09/28/1995DE4410396A1 Abstandhalter mit hexagonalen Maschen Spacer hexagonal mesh
09/28/1995DE19509407A1 Nuclear fuel cladding tube
09/28/1995DE19509258A1 Cladding tube for water-cooled nuclear reactor fuel
09/28/1995DE19509049A1 Nuclear fuel cladding tube mfr.
09/28/1995DE19509046A1 Three=layer nuclear fuel cladding tube mfr.
09/28/1995DE19509045A1 Nuclear fuel cladding tube
09/27/1995EP0674322A1 Fuel assembly for nuclear reactor and manufacturing method thereof
09/27/1995EP0674321A1 Nuclear fuel assembly
09/27/1995EP0673691A1 Method of production of a Zircalloy-2 tubular blank internally clad with zirconium, adapted for ultrasonic measurement of the thickness of zirconium
09/27/1995EP0673539A1 Wear resistant coating for components of fuel assemblies and control assemblies and method of applying a wear resistant coating.
09/20/1995EP0673039A1 Guide tube retaining device for nuclear fuel assembly
09/20/1995EP0673038A1 Guide tube retaining device for nuclear reactor
09/20/1995EP0671988A1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate.
09/19/1995US5452334 Pressurized water reactor nuclear fuel assembly with disengaging upper tie plate corner post
09/14/1995WO1995024718A1 Spacing grid for nuclear fuel-containing fuel rods of a nuclear reactor fuel element
09/13/1995EP0671486A1 Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals
09/13/1995CN1108422A A device for measuring the force exerted by a grid spring
09/13/1995CN1108420A A guide tube for a nuclear fuel assembly, and a method of manufacturing such a tube
09/08/1995WO1995024042A1 Critical power enhancement system for a pressurized fuel channel type nuclear reactor using chf enhancement appendages
09/05/1995US5448034 Weld shape control system for TIG welding of small pressurization hole
08/1995
08/30/1995EP0669624A1 Debris catcher for a nuclear reactor
08/30/1995EP0669516A1 Ultrasonic control method and device for the facets on the internal surface of a cladding wall
08/29/1995US5446773 Fast Reactor Core
08/24/1995DE4401603A1 Mfr. of fuel assembly lattice members incorporating deflector vanes.
08/24/1995DE4401602A1 Nuclear fuel assembly with vanes for deflecting a component of a coolant stream about the longitudinal axis of the fuel rods
08/23/1995CN1107248A Loading nuclear fuel pellets into cladding tubes
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