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Class Information
Number: 376/447
Name: Induced nuclear reactions: processes, systems, and elements > Fuel component structure > Plural fuel segments or elements > In pack or bundle > Including separate burnable poison or moderator
Description: Subject matter wherein the pack or bundle contains burnable poison* or moderator which is not encased together with the fuel, that is, the burnable poison or moderator will be in its own separate pin or element, in a grid, in the sheath, etc.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8711997 Reactor core of liquid metal cooled reactor Apr. 29, 2014
7139352 Reactivity control rod for core Nov. 21, 2006
7139360 Use of boron or enriched boron 10 in UO.sub.2 Nov. 21, 2006
6885722 Fuel assembly Apr. 26, 2005
6845138 Spacer grid with hybrid flow-mixing device for nuclear fuel assembly Jan. 18, 2005
6600800 Fuel element for a boiling water nuclear reactor Jul. 29, 2003
6434210 Fuel assembly Aug. 13, 2002
6340536 Zirconium and niobium alloy comprising erbium, preparation method and component containing said alloy Jan. 22, 2002
6327324 Nuclear fuel assembly Dec. 4, 2001
6301320 Nuclear fuel assembly having MOX rods and MOX-gadolinia rods Oct. 9, 2001
6263038 MOX fuel arrangement for nuclear core Jul. 17, 2001
6233302 Mox fuel arrangement for nuclear core May. 15, 2001
5872826 Fuel assembly channel box having burnable poison Feb. 16, 1999
5822388 MOX fuel arrangement for nuclear core Oct. 13, 1998
5724398 Nuclear fuel elements Mar. 3, 1998
5629964 Neutron absorbing apparatus May. 13, 1997
5422922 Fuel assembly and reactor core Jun. 6, 1995
5410578 Nuclear propulsion rocket Apr. 25, 1995
5349619 Fuel assembly for light water reactor and light water reactor core Sep. 20, 1994
5227128 Reactivity controlled fuel assembly Jul. 13, 1993
5207979 Nuclear fuel assemblies and reactor cores including them May. 4, 1993
5202085 Fuel assembly and reactor core Apr. 13, 1993
5198183 Method and apparatus for close packing of nuclear fuel assemblies Mar. 30, 1993
5176877 Nuclear fuel assembly and nuclear reactor core containing said assembly Jan. 5, 1993
5149495 Water rod for nuclear reactor and method for providing and using same Sep. 22, 1992
4935197 Neutron shields for nuclear reactor core sub-assemblies Jun. 19, 1990
4926450 Fuel assembly May. 15, 1990
4917856 Self-latching reactivity-reducing device for use in on-site spent fuel assembly storage Apr. 17, 1990
4876062 Fuel assembly Oct. 24, 1989
RE33030 Self rupturing gas moderator rod for a nuclear reactor Aug. 22, 1989
4851186 Nuclear reactor core and process for charging said core Jul. 25, 1989
4818471 BWR fuel assembly channel with localized neutron absorber strips for LPRM calibration Apr. 4, 1989
4814138 Method for repairing a nuclear reactor fuel assembly and a replacement rod for performing the method Mar. 21, 1989
4784825 Method and apparatus for preventing and repairing vibrational damage to nuclear fuel rods Nov. 15, 1988
4755348 Cooled water rod (LOCA conditions) Jul. 5, 1988
4751041 Burnable neutron absorber element Jun. 14, 1988
4696793 Burnable poison rod for use in a nuclear reactor Sep. 29, 1987
4695425 Fuel assembly Sep. 22, 1987
4687621 Nuclear fuel assembly with improved spectral shift-producing rods Aug. 18, 1987
4687631 Top nozzle mounted reusable fastener device in a reconstitutable nuclear fuel assembly Aug. 18, 1987
4684499 Burnable absorber rod releasable latching structure Aug. 4, 1987
4684504 Bow resistant structural member for fuel assemblies in non-control rod locations of a nuclear reactor core Aug. 4, 1987
4683113 Nuclear fuel assembly Jul. 28, 1987
4683116 Nuclear reactor Jul. 28, 1987
4683117 Nuclear fuel assembly incorporating primary and secondary structural support members Jul. 28, 1987
4683103 Spectral shift apparatus and method for a nuclear reactor fuel assembly Jul. 28, 1987
4664878 Light water moderator filled rod for a nuclear reactor May. 12, 1987
4655995 Reversible BWR fuel assembly and method of using same Apr. 7, 1987
4652427 Fuel assembly Mar. 24, 1987
4649020 Nuclear fuel assembly and nuclear reactor operating process comprising application thereof Mar. 10, 1987

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