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Class Information
Number: 376/438
Name: Induced nuclear reactions: processes, systems, and elements > Fuel component structure > Plural fuel segments or elements > In pack or bundle > Including grid
Description: Subject matter wherein a multiaperture structure holds or maintains the plural fuel segments or elements in a spaced array.










Sub-classes under this class:

Class Number Class Name Patents
376/440 For ends of fuel elements 83
376/439 With coolant flow path deflecting means 201
376/442 With fuel element contacting protuberance or projection 249
376/441 With nonintegral fuel element contacting means 122


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8705685 Device for removing solid particles from the cooling medium which circulates in the primary circuit of a nuclear reactor Apr. 22, 2014
8693612 Unit spacer grid strap, unit spacer grid, and spacer grid for nuclear fuel rods Apr. 8, 2014
8681929 Nuclear reactor fuel assembly Mar. 25, 2014
8644446 Spacer grid with saddle-shaped supports and corresponding nuclear fuel assembly Feb. 4, 2014
8599994 Fuel bundle and spacer band Dec. 3, 2013
8594269 Nuclear fuel assemblies with structural support replacement rods Nov. 26, 2013
8576972 Radioisotope production structures, fuel assemblies having the same, and methods of using the same Nov. 5, 2013
8571168 Fuel element for a light water reactor, and method for repairing the fuel element Oct. 29, 2013
8565367 Detachable nuclear reactor fuel assembly component Oct. 22, 2013
8509377 Fuel bundle designs using mixed spacer types Aug. 13, 2013
8509374 Producing a design for a nuclear fuel element Aug. 13, 2013
8503600 Fuel element for a pressurized water reactor Aug. 6, 2013
8483349 Spacer grid for dual-cooling nuclear fuel rods using intersectional support structures Jul. 9, 2013
8416912 Nuclear fuel assembly including an internal reinforcing device Apr. 9, 2013
8369475 Nuclear fuel assembly support grid Feb. 5, 2013
8358733 Helically fluted tubular fuel rod support Jan. 22, 2013
8345815 Fuel assembly for a pressurized-water nuclear reactor Jan. 1, 2013
8335293 Nuclear fuel grid assembly with hydraulically balanced mixing vane pattern Dec. 18, 2012
8279995 Guide thimble of dual tube type structure nuclear fuel assembly Oct. 2, 2012
8275088 Perforated plate support for dual-cooled segmented fuel rod Sep. 25, 2012
8243872 Spacer grid for close-spaced nuclear fuel rods Aug. 14, 2012
8238511 Nuclear fuel assembly protective bottom grid Aug. 7, 2012
8180014 Tiered tie plates and fuel bundles using the same May. 15, 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
8009792 Distance lattice for fuel rod assembly in nuclear reactor Aug. 30, 2011
8009791 Fuel supports for nuclear reactors Aug. 30, 2011
7940883 Fuel assembly May. 10, 2011
7889829 Nuclear fuel assembly protective grid Feb. 15, 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
7804930 Nuclear fuel assembly comprising a reinforcing mesh device and the use of one such device in a nuclear fuel assembly Sep. 28, 2010
7804931 Spacer and a fuel unit for a nuclear plant Sep. 28, 2010
7792236 Fuel assembly and plug-in distance element Sep. 7, 2010
7787584 Debris filtering bottom spacer grid with louvers for preventing uplift of fuel rods Aug. 31, 2010
7769125 Spacer grid for nuclear reactor fuel assemblies Aug. 3, 2010
7623612 Bi-alloy spacer grid and associated methods Nov. 24, 2009
7577230 Fuel support and method for modifying coolant flow in a nuclear reactor Aug. 18, 2009
7548602 Spacer grid with mixing vanes and nuclear fuel assembly employing the same Jun. 16, 2009
7469030 Spacer grid for a fuel unit in a nuclear reactor cooled by light water Dec. 23, 2008
7463711 Fuel channel fastener Dec. 9, 2008
7424086 Fuel assembly for a pressurized-water nuclear reactor Sep. 9, 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
7085340 Nuclear reactor fuel assemblies Aug. 1, 2006
6997141 Anti-vibration support for steam generator heat transfer tubes and method for making same Feb. 14, 2006
6934350 Core configuration for a nuclear reactor Aug. 23, 2005
6912264 Fuel assembly Jun. 28, 2005
6909766 Production method for a nuclear fuel assembly support grid and a nuclear fuel assembly support grid produced by the same Jun. 21, 2005

1 2 3 4 5 6










 
 
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