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Class Information
Number: 376/442
Name: Induced nuclear reactions: processes, systems, and elements > Fuel component structure > Plural fuel segments or elements > In pack or bundle > Including grid > With fuel element contacting protuberance or projection
Description: Subject matter wherein the grid comprises walls defining fuel element compartments, at least one wall of which is provided with means extending away from the wall into the compartment to position the fuel element therein.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8681929 Nuclear reactor fuel assembly Mar. 25, 2014
8644446 Spacer grid with saddle-shaped supports and corresponding nuclear fuel assembly Feb. 4, 2014
8509377 Fuel bundle designs using mixed spacer types Aug. 13, 2013
8483349 Spacer grid for dual-cooling nuclear fuel rods using intersectional support structures Jul. 9, 2013
8358733 Helically fluted tubular fuel rod support Jan. 22, 2013
8335293 Nuclear fuel grid assembly with hydraulically balanced mixing vane pattern Dec. 18, 2012
8243872 Spacer grid for close-spaced nuclear fuel rods Aug. 14, 2012
8238511 Nuclear fuel assembly protective bottom grid Aug. 7, 2012
7940883 Fuel assembly May. 10, 2011
7835484 Anti-fretting wear spacer grid with canoe-shaped spring Nov. 16, 2010
7822166 Fuel assembly for a boiling water reactor Oct. 26, 2010
7804931 Spacer and a fuel unit for a nuclear plant Sep. 28, 2010
7769125 Spacer grid for nuclear reactor fuel assemblies Aug. 3, 2010
7623612 Bi-alloy spacer grid and associated methods Nov. 24, 2009
7577229 Method for limiting the maintenance loads applied to a fuel assembly of a nuclear reactor and fuel assembly Aug. 18, 2009
7561654 Nuclear fuel spacer assembly with debris guide Jul. 14, 2009
7469030 Spacer grid for a fuel unit in a nuclear reactor cooled by light water Dec. 23, 2008
7421056 Fuel assembly for a boiling water reactor Sep. 2, 2008
7149273 Method of fabricating a nuclear reactor fuel assembly grid Dec. 12, 2006
7085340 Nuclear reactor fuel assemblies Aug. 1, 2006
6914955 Heat exchanger tube support structure Jul. 5, 2005
6912264 Fuel assembly Jun. 28, 2005
6819733 Fuel assembly and associated grid for nuclear reactor Nov. 16, 2004
6810101 Heat exchanger tube support structure Oct. 26, 2004
6744843 Side-slotted nozzle type double sheet spacer grid for nuclear fuel assemblies Jun. 1, 2004
6744842 Fuel assembly for a pressurized-water reactor Jun. 1, 2004
6735268 Fuel spacer/water rod capture apparatus and methods for boiling water nuclear reactors May. 11, 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
6714619 Spacer grid with double deflected vanes for nuclear fuel assemblies Mar. 30, 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
6606369 Nuclear reactor with improved grid Aug. 12, 2003
6600800 Fuel element for a boiling water nuclear reactor Jul. 29, 2003
6542567 Grid for nuclear fuel assembly and a strap for such a grid Apr. 1, 2003
6526116 Nuclear fuel assembly with hydraulically balanced mixing vanes Feb. 25, 2003
6522710 Fastened spacer for grid of a nuclear reactor with associated method Feb. 18, 2003
6519309 Pressurized water reactor fuel assembly spacer grid Feb. 11, 2003
6498827 Heat exchanger tube support structure Dec. 24, 2002
6473482 Spacer with specially fastened springs for fuel assemblies of nuclear reactors Oct. 29, 2002
6434209 Critical power enhancement system for a pressurized fuel channel type nuclear reactor using alignment of fuel bundle pairs Aug. 13, 2002
6421407 Nuclear fuel spacer grid with dipper vanes Jul. 16, 2002
6415011 Spacer and a fuel assembly for a nuclear boiling water reactor Jul. 2, 2002
6400788 Fuel assembly Jun. 4, 2002
6393087 Duct-type spacer grid with swirl flow vanes for nuclear fuel assemblies May. 21, 2002
6385271 Nuclear fuel assembly May. 7, 2002
6332012 Grid strap for a nuclear fuel assembly, and a grid including such straps Dec. 18, 2001
6320925 Space for a fuel assembly of a nuclear power station Nov. 20, 2001
6310932 Fretting resistant spring design Oct. 30, 2001

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