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Class Information
Number: 376/448
Name: Induced nuclear reactions: processes, systems, and elements > Fuel component structure > Plural fuel segments or elements > In pack or bundle > With means for spacing apart adjacent packs or bundles
Description: Subject matter wherein the assemblies or bundles contain structure which serves to maintain the outer surfaces of adjacent packs or bundles spaced apart from one another.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8416912 Nuclear fuel assembly including an internal reinforcing device Apr. 9, 2013
8040998 Fuel assembly Oct. 18, 2011
7822166 Fuel assembly for a boiling water reactor Oct. 26, 2010
7418072 Spacer Aug. 26, 2008
6934350 Core configuration for a nuclear reactor Aug. 23, 2005
6813327 Core support for an F-lattice core of a boiling water nuclear reactor Nov. 2, 2004
6744842 Fuel assembly for a pressurized-water reactor Jun. 1, 2004
6516042 Nuclear fuel assembly Feb. 4, 2003
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
6353652 Fuel assembly for a boiling water reactor Mar. 5, 2002
6320925 Space for a fuel assembly of a nuclear power station Nov. 20, 2001
6229868 Nuclear fuel assembly May. 8, 2001
6226342 Fuel assembly comprising a component for retaining elongated elements May. 1, 2001
6088420 Reactor core Jul. 11, 2000
5787143 Nuclear reactor fuel assembly Jul. 28, 1998
5727039 Spacer capture mechansim for non-round water rods Mar. 10, 1998
5666389 Fuel assembly and spacer for a nuclear reactor Sep. 9, 1997
5640434 Miniaturized nuclear reactor utilizing improved pressure tube structural members Jun. 17, 1997
5610960 Fuel spacer and fuel assembly Mar. 11, 1997
5600694 Nuclear fuel upper end fitting quick disconnect joint Feb. 4, 1997
5572560 BWR fuel assembly having fuel rods with variable fuel rod pitches Nov. 5, 1996
5555281 Triangular lattice for LWR square fuel assemblies Sep. 10, 1996
5553107 Pressurized water reactor vessel with slotted support columns Sep. 3, 1996
5546437 Spacer for nuclear fuel rods Aug. 13, 1996
5539792 Grid-shaped spacer for a nuclear-reactor fuel assembly Jul. 23, 1996
5526387 Flow tabs for a fuel rod bundle spacer Jun. 11, 1996
5519747 Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle May. 21, 1996
5519746 Large BWR fuel channel design May. 21, 1996
5493590 Critical power enhancement system for a pressurized fuel channel type nuclear reactor using CHF enhancement appendages Feb. 20, 1996
5490192 Fuel assembly Feb. 6, 1996
5488644 Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules Jan. 30, 1996
5444748 Grid structure for supporting fuel rods in a nuclear reactor Aug. 22, 1995
5436946 Spring retention of upper tie plate and fuel bundle channel in a nuclear reactor assembly Jul. 25, 1995
5432829 Fuel assembly and reactor core Jul. 11, 1995
5416811 PWR reload fuel assembly May. 16, 1995
5406604 Two part tie plate adapted to D & C lattice Apr. 11, 1995
5345486 Fuel bundle with improved resistance to bulge and improved critical power performance Sep. 6, 1994
5327470 Spacer with steam separator Jul. 5, 1994
5307392 Energy dissipating outer strip for grid Apr. 26, 1994
5285487 Spacer for retaining fuel rods in a nuclear reactor fuel assembly Feb. 8, 1994
5276721 Nuclear reactor fuel assembly Jan. 4, 1994
5253278 Fuel assembly, channel box, production method of channel box, and core of nuclear reactor Oct. 12, 1993
RE34246 Thin walled channel May. 11, 1993
5173252 Removable springs for ferrule spacer Dec. 22, 1992
5128097 Reactor core, fuel assembly and fuel spacer Jul. 7, 1992
5118467 Fuel assembly for a boiling water reactor Jun. 2, 1992
5096660 Fuel assembly for a boiling reactor Mar. 17, 1992
5089221 Composite spacer with Inconel grid and Zircaloy band Feb. 18, 1992
RE33818 Axially shaped channel and integral flow trippers Feb. 11, 1992

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