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Class Information
Number: 376/446
Name: Induced nuclear reactions: processes, systems, and elements > Fuel component structure > Plural fuel segments or elements > In pack or bundle > With removable member
Description: Subject matter wherein the pack or bundle includes a member which is removable from the rest of the pack or bundle, e.g., a fuel pin, moderator pin, poison pin, a grid, a sheath, etc.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8358733 Helically fluted tubular fuel rod support Jan. 22, 2013
8238511 Nuclear fuel assembly protective bottom grid Aug. 7, 2012
8027424 Fuel element for a boiling water reactor Sep. 27, 2011
7551705 Fuel assembly top nozzle repair sleeve and method for repairing a fuel assembly Jun. 23, 2009
7453972 Nuclear fuel assembly control rod drive thimble to bottom nozzle connector Nov. 18, 2008
6934351 Boiling water reactor fuel assembly Aug. 23, 2005
6744842 Fuel assembly for a pressurized-water reactor Jun. 1, 2004
6738447 High energy absorption top nozzle for a nuclear fuel assembly May. 18, 2004
6507630 Cell flow diverter and flow diverter/vortex generator assembly for BWR spacers Jan. 14, 2003
6347130 Fuel assembly with short fuel units Feb. 12, 2002
6333957 Tool kit for fabricating, inspecting and handling a nuclear fuel bundle Dec. 25, 2001
6310930 Methods for guiding a fuel bundle into a channel Oct. 30, 2001
6310931 Device and method for locking rods in a bottom tie plate of a fuel assembly Oct. 30, 2001
6226343 Water rod in a fuel assembly of a boiling water nuclear reactor May. 1, 2001
6154514 Nuclear reaction fuel assembly for a nuclear reactor fuel assembly Nov. 28, 2000
6115440 Quick release, removable top nozzle assembly Sep. 5, 2000
6002736 Dismountable fuel assembly of a nuclear reactor cooled by light water Dec. 14, 1999
5914995 Nuclear reactor fuel assembly Jun. 22, 1999
5896436 Fuel assembly for a boiling water reactor Apr. 20, 1999
5844958 Dismountable fuel assembly of a nuclear reactor cooled by light water Dec. 1, 1998
5815545 Nuclear fuel assembly spacer and spring Sep. 29, 1998
5812624 Core of a pressurized water nuclear reactor and top nozzle of a fuel assembly of the core Sep. 22, 1998
5809101 Handle unit for a fuel assembly in a nuclear reactor and fuel assembly having modified channel Sep. 15, 1998
5787143 Nuclear reactor fuel assembly Jul. 28, 1998
5748695 Fuel assembly structure selectively using channel and coolant rod for load support and method May. 5, 1998
5669729 Reconstitutable rod cluster control assembly Sep. 23, 1997
5671261 Method and apparatus for attaching a lifting bar to a load bearing water rod in a nuclear fuel assembly Sep. 23, 1997
5646973 BWR fuel assembly without upper tie plate Jul. 8, 1997
5627866 Fuel assembly structure using channel for load support May. 6, 1997
5617457 Pressurized-water reactor with individually adapted pressure distribution in the coolant Apr. 1, 1997
5610961 Fuel assembly structure using channel for load support Mar. 11, 1997
5608768 Threaded fuel rod end plugs and related method Mar. 4, 1997
5600694 Nuclear fuel upper end fitting quick disconnect joint Feb. 4, 1997
5598450 Fuel bundle with adjustable flow and reactivity Jan. 28, 1997
5553108 Water rod attachment in a nuclear reactor fuel bundle Sep. 3, 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
5488634 Lower tie plate debris catcher for a nuclear reactor Jan. 30, 1996
5488644 Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules Jan. 30, 1996
5481579 Latching and lifting mechanism for a nuclear reactor fuel bundle Jan. 2, 1996
5481578 Perforated tube debris catcher for a nuclear reactor Jan. 2, 1996
5479464 Expandable top nozzle and device for securing same to a nuclear fuel assembly Dec. 26, 1995
5473649 Fuel element for a light-water nuclear reactor Dec. 5, 1995
5465282 Fuel assembly for a nuclear reactor Nov. 7, 1995
5452334 Pressurized water reactor nuclear fuel assembly with disengaging upper tie plate corner post Sep. 19, 1995
5396526 Apparatus for removing keys from support grid Mar. 7, 1995
5390222 Fuel assembly or control assembly with releasable locking between the case and the upper or lower end part of the assembly Feb. 14, 1995
5383227 Method for modifying existing transition pieces in bottom entry nuclear fuel assemblies for reducing coolant pressure drop Jan. 17, 1995
5375155 Fuel assembly with rational screw fastenings of the upper tie plate to tubes or rods Dec. 20, 1994
5367548 Guide tube retainer Nov. 22, 1994

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