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Browse by Category: Main > Physics
Class Information
Number: 376/462
Name: Induced nuclear reactions: processes, systems, and elements > Grids
Description: Subject matter wherein a multiaperature structure holds or maintains reactor components in a spaced array.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
6167105 Spacer grid with H-spring for fuel rods for use in nuclear reactor fuel assemblies Dec. 26, 2000
6148054 Removable separation devices for nuclear fuel bundles Nov. 14, 2000
6130927 Grid with nozzle-type coolant deflecting channels for use in nuclear reactor fuel assemblies Oct. 10, 2000
6061416 Fuel assembly May. 9, 2000
5778035 Control of coolant flow in a nuclear reactor Jul. 7, 1998
5675621 Reduced height flat spring spacer for nuclear fuel rods Oct. 7, 1997
5666389 Fuel assembly and spacer for a nuclear reactor Sep. 9, 1997
5638416 Fuel assembly Jun. 10, 1997
5577081 Method of forming grids for nuclear fuel assembly and grids formed by same method Nov. 19, 1996
5566217 Reduced height spacer for nuclear fuel rods Oct. 15, 1996
5546437 Spacer for nuclear fuel rods Aug. 13, 1996
5539792 Grid-shaped spacer for a nuclear-reactor fuel assembly Jul. 23, 1996
5519747 Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle May. 21, 1996
5513234 Structural member for nuclear reactor pressure tubes Apr. 30, 1996
5444748 Grid structure for supporting fuel rods in a nuclear reactor Aug. 22, 1995
5440599 Spacer grid with integral "side supported" flow directing vanes Aug. 8, 1995
5420902 Fuel assembly with a flow-aiding spacer May. 30, 1995
5375154 Reduced pressure drop spacer for boiling water reactor fuel bundles Dec. 20, 1994
5367549 Hexagonal grid Nov. 22, 1994
5350161 Nuclear reactor grid strip cantilever spring with nonuniform material characteristics Sep. 27, 1994
5339341 Mid span mixer grid Aug. 16, 1994
5331679 Fuel spacer for fuel assembly Jul. 19, 1994
5313507 Apparatus for attaching key member to nuclear fuel assembly grid and detaching same therefrom May. 17, 1994
5307393 Split vane alternating swirl mixing grid Apr. 26, 1994
5299246 Shape-memory alloys in the construction of nuclear fuel spacer grids Mar. 29, 1994
5297177 Fuel assembly, components thereof and method of manufacture Mar. 22, 1994
5289513 Method of making a fuel assembly lattice member and the lattice member made by such method Feb. 22, 1994
5285487 Spacer for retaining fuel rods in a nuclear reactor fuel assembly Feb. 8, 1994
5272741 Nuclear fuel assembly Dec. 21, 1993
5265130 Cell-size inspection device for nuclear fuel assembly Nov. 23, 1993
5263071 Spacer for retaining fuel rods in a nuclear reactor fuel assembly Nov. 16, 1993
5259009 Boiling water reactor fuel rod assembly with fuel rod spacer arrangement Nov. 2, 1993
5245644 Spacer for a fuel assembly of a pressurized water reactor Sep. 14, 1993
5243635 Fuel rod capturing grid spring and arch Sep. 7, 1993
5243634 DNB performing spacer grids Sep. 7, 1993
5227130 Fuel assembly for nuclear reactor Jul. 13, 1993
5223211 Zirconium based alloy plate of low irradiation growth, method of manufacturing the same, and use of the same Jun. 29, 1993
5211908 Method of manufacturing a grid having calibrated cells for a nuclear fuel assembly May. 18, 1993
5209897 BWR core assembly May. 11, 1993
5194216 Guide plate for locating rods in an array Mar. 16, 1993
5188797 Extended weld tab for fuel assembly grid Feb. 23, 1993
5185124 Dimensional gauging apparatus for nuclear fuel rod spacer cells Feb. 9, 1993
5183629 Additional grid for a nuclear reactor fuel assembly, and assembly comprising an application thereof Feb. 2, 1993
5180548 Grid having mixing fins for a nuclear fuel assembly Jan. 19, 1993
5174950 Grid for nuclear fuel assembly Dec. 29, 1992
5147600 Grid for nuclear fuel assembly Sep. 15, 1992
5139736 Fuel assembly support grid Aug. 18, 1992
5133927 Grid for nuclear fuel assembly Jul. 28, 1992
5132078 Diagrid for a nuclear reactor core Jul. 21, 1992
5130083 Hydride resistant spacer formed from interlocking strips Jul. 14, 1992

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