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Class Information
Number: 376/362
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > Circulating fluid within reactor > Fuel assembly supports
Description: Subject matter wherein structure is provided for supporting or maintaining the fuel assemblies in their desired positions within the nuclear reactor.










Sub-classes under this class:

Class Number Class Name Patents
376/364 Fuel assembly holddown or locking means 114
376/363 Suspended fuel assembly 11


Patents under this class:
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Patent Number Title Of Patent Date Issued
8483348 Method of providing a hold-down force upon a nuclear fuel assembly Jul. 9, 2013
8355481 Pressure vessel sliding support unit and system using the sliding support unit Jan. 15, 2013
8229055 Top nozzle for nuclear fuel assembly Jul. 24, 2012
8208597 Channel confinement system and method for dry-storage of BWR fuel bundles Jun. 26, 2012
8027424 Fuel element for a boiling water reactor Sep. 27, 2011
7822165 Nuclear fuel assembly debris filter bottom nozzle Oct. 26, 2010
7672418 Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly Mar. 2, 2010
7505547 Assembly and method for mounting a fuel assembly having a predefined orientation within a nuclear reactor Mar. 17, 2009
7346141 Apparatus and method for moving a ferromagnetic element Mar. 18, 2008
6934350 Core configuration for a nuclear reactor Aug. 23, 2005
6888912 Device for positioning and axially aligning a fuel assembly and process and apparatus for restoring a positioning element May. 3, 2005
6813327 Core support for an F-lattice core of a boiling water nuclear reactor Nov. 2, 2004
6351511 Local repair of top guide in boiling water reactor by installation of cruciform beam Feb. 26, 2002
6097779 Fuel bundle and control rod assembly for a nuclear reactor Aug. 1, 2000
5920603 Forged core plate for a boiling water reactor Jul. 6, 1999
5892806 Pressure tube spacer Apr. 6, 1999
5838751 Core plate repair using guide tube gap wedges Nov. 17, 1998
5574760 Method and apparatus for supporting a shroud in a nuclear reactor Nov. 12, 1996
5436946 Spring retention of upper tie plate and fuel bundle channel in a nuclear reactor assembly Jul. 25, 1995
5416811 PWR reload fuel assembly May. 16, 1995
5386440 Boiling water reactor Jan. 31, 1995
5347560 Fuel assembly with secured rod ends at the foot Sep. 13, 1994
5267286 Fuel assembly and reactor core Nov. 30, 1993
5241570 Core-control assembly with a fixed fuel support Aug. 31, 1993
5141701 Bottom nozzle to lower grid attachment Aug. 25, 1992
5132078 Diagrid for a nuclear reactor core Jul. 21, 1992
5047225 Low density carbonized composite foams Sep. 10, 1991
5024809 Corrosion resistant composite claddings for nuclear fuel rods Jun. 18, 1991
4981642 Apparatus for form-locking torsion prevention in screw connections Jan. 1, 1991
4904443 Control rod drive with upward removable drive internals Feb. 27, 1990
4876061 Resiliently loaded lateral supports for cantilever-mounted rod guides of a pressurized water reactor Oct. 24, 1989
4859400 Nuclear reactor core restraint Aug. 22, 1989
4756877 Core barrel support system for nuclear reactors Jul. 12, 1988
4755351 Fuel assembly Jul. 5, 1988
4678631 Boiling water nuclear reactor fuel assembly Jul. 7, 1987
4673548 Thermal barrier and support for nuclear reactor fuel core Jun. 16, 1987
H177 Fuel handling system for a nuclear reactor Dec. 2, 1986
4615862 Nuclear reactor with fuel assembly support means Oct. 7, 1986
4567015 Frame for storing nuclear fuel elements Jan. 28, 1986
4563328 Nuclear reactor fuel assembly Jan. 7, 1986
4534933 Nuclear reactor fuel assembly with improved top nozzle and hold-down means Aug. 13, 1985
4514358 Fuel assembly Apr. 30, 1985
4474398 Fuel assembly locking apparatus Oct. 2, 1984
4457890 Liquid metal cooled nuclear reactors Jul. 3, 1984
4456067 Process for inhibiting hydrate formation in producing gas wells Jun. 26, 1984
4348353 Nuclear reactor fuel assembly duct-tube-to-inlet-nozzle attachment system Sep. 7, 1982
4330371 Support structure core assembly in a nuclear reactor May. 18, 1982
4282065 Fuel assembly for gas-cooled nuclear reactors Aug. 4, 1981
4265010 Method and apparatus for adjusting the elevation of fuel rods in a nuclear reactor fuel assembly May. 5, 1981
4256538 Liquid metal cooled fast breeder nuclear reactor Mar. 17, 1981

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