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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
8693612 Unit spacer grid strap, unit spacer grid, and spacer grid for nuclear fuel rods Apr. 8, 2014
8599994 Fuel bundle and spacer band Dec. 3, 2013
8594269 Nuclear fuel assemblies with structural support replacement rods Nov. 26, 2013
8571168 Fuel element for a light water reactor, and method for repairing the fuel element Oct. 29, 2013
8503600 Fuel element for a pressurized water reactor Aug. 6, 2013
8416912 Nuclear fuel assembly including an internal reinforcing device Apr. 9, 2013
8358733 Helically fluted tubular fuel rod support Jan. 22, 2013
8238511 Nuclear fuel assembly protective bottom grid Aug. 7, 2012
8149984 Fuel element of the macrostructured plate type Apr. 3, 2012
8085895 Spacer grid spring for increasing the conformal contact area with fuel rod Dec. 27, 2011
8040998 Fuel assembly Oct. 18, 2011
8009792 Distance lattice for fuel rod assembly in nuclear reactor Aug. 30, 2011
7889829 Nuclear fuel assembly protective grid Feb. 15, 2011
7804931 Spacer and a fuel unit for a nuclear plant Sep. 28, 2010
7623612 Bi-alloy spacer grid and associated methods Nov. 24, 2009
7464671 Heat exchanger framework Dec. 16, 2008
7418072 Spacer Aug. 26, 2008
7215728 Spent fuel housing square pipe, basket and spent fuel housing container May. 8, 2007
7149273 Method of fabricating a nuclear reactor fuel assembly grid Dec. 12, 2006
6909766 Production method for a nuclear fuel assembly support grid and a nuclear fuel assembly support grid produced by the same Jun. 21, 2005
6901128 Foreign matter filter for fuel assembly in pressurized water reactor May. 31, 2005
6888911 Method for preventing fretting damage to fuel rods, nuclear reactor fuel element, device for preventing fretting damage, and spacer in a fuel assembly of a nuclear reactor May. 3, 2005
6845138 Spacer grid with hybrid flow-mixing device for nuclear fuel assembly Jan. 18, 2005
6813327 Core support for an F-lattice core of a boiling water nuclear reactor Nov. 2, 2004
6807246 Lips-type multi-purposed nuclear fuel assembly spacer grid Oct. 19, 2004
6778625 Spent fuel housing square pipe, basket and spent fuel housing container Aug. 17, 2004
6744842 Fuel assembly for a pressurized-water reactor Jun. 1, 2004
6728329 Fuel assembly Apr. 27, 2004
6721384 Spacer grid with side welding support and flow mixing vane for nuclear reactor fuel assembly Apr. 13, 2004
6707872 Spacer grid for nuclear reactor fuel assemblies with grid springs maintaining conformal contact with fuel rods and enlarged elastic range Mar. 16, 2004
6650723 Double strip mixing grid for nuclear reactor fuel assemblies Nov. 18, 2003
6608881 Duct-type spacer grid with swirl flow vane for nuclear fuel assembly Aug. 19, 2003
6544361 Process for manufacturing thin components made of zirconium-based alloy and straps thus produced Apr. 8, 2003
6542567 Grid for nuclear fuel assembly and a strap for such a grid Apr. 1, 2003
6519309 Pressurized water reactor fuel assembly spacer grid Feb. 11, 2003
6467439 Steam generator tube support grid array Oct. 22, 2002
6421407 Nuclear fuel spacer grid with dipper vanes Jul. 16, 2002
6400788 Fuel assembly Jun. 4, 2002
6393087 Duct-type spacer grid with swirl flow vanes for nuclear fuel assemblies May. 21, 2002
6367430 Scalloped lattice bar nuclear steam generator tube supports Apr. 9, 2002
6335956 Fuel assembly Jan. 1, 2002
6320924 I-Spring and associated ferrule assembly for a nuclear fuel bundle Nov. 20, 2001
6320925 Space for a fuel assembly of a nuclear power station Nov. 20, 2001
6278759 Spacer grid with multi-springs and dimple vanes for nuclear fuel assemblies Aug. 21, 2001
6278758 Support grid for a nuclear reactor fuel assembly Aug. 21, 2001
6272197 Coolant mixing grid for nuclear fuel assembly Aug. 7, 2001
6240156 Top guide grid attachment for a boiling water reactor May. 29, 2001
6236702 Fuel assembly spacer grid with swirl deflectors and hydraulic pressure springs May. 22, 2001
6229868 Nuclear fuel assembly May. 8, 2001
6226342 Fuel assembly comprising a component for retaining elongated elements May. 1, 2001

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