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Class Information
Number: 376/353
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > With particular control rod guide structure
Description: Subject matter wherein the reactor is controlled by use of a control rod* and structure is provided for guiding the control rod during movement thereof, said structure being other than the normal in-core control rod guide tube structure.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8638900 Nuclear reactor alignment plate configuration Jan. 28, 2014
8582714 Fixed cluster having a spider-like support, corresponding pressurized water nuclear reactor core and assembly comprising a nuclear fuel assembly and such a fixed cluster Nov. 12, 2013
8483347 Upper internals arrangement for a pressurized water reactor Jul. 9, 2013
8279995 Guide thimble of dual tube type structure nuclear fuel assembly Oct. 2, 2012
8102961 Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly Jan. 24, 2012
7672418 Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly Mar. 2, 2010
7424412 Method of determining nuclear reactor core design with reduced control blade density Sep. 9, 2008
7200541 Method and arrangement for determining nuclear reactor core designs Apr. 3, 2007
6934350 Core configuration for a nuclear reactor Aug. 23, 2005
6882696 Control rod for boiling water reactor and method for manufacturing the same Apr. 19, 2005
6865242 Method and device for restoring the fall-time of at least one control cluster for regulating reactivity in the core of a light-water-cooled nuclear reactor Mar. 8, 2005
6813327 Core support for an F-lattice core of a boiling water nuclear reactor Nov. 2, 2004
6735266 Control rod for boiling water reactor and method for manufacturing the same May. 11, 2004
6718811 Process for producing a guide tube of a nuclear reactor fuel assembly, mandrel for forming the guide tube, and the guide tube obtained Apr. 13, 2004
6473481 Control rod guide tube cleaning apparatus in nuclear reactor Oct. 29, 2002
6167104 Pressurized water reactor fuel assembly with a guide tube and method for producing the guide tube Dec. 26, 2000
6097779 Fuel bundle and control rod assembly for a nuclear reactor Aug. 1, 2000
6033493 Process for coating a passivatable metal or alloy substrate with an oxide layer, and fuel assembly cladding and guide tubes and spacer grid coated with an oxide layer Mar. 7, 2000
6026137 Control rod guide tube mounting pin Feb. 15, 2000
5852644 Guide tube for a nuclear fuel assembly Dec. 22, 1998
5844958 Dismountable fuel assembly of a nuclear reactor cooled by light water Dec. 1, 1998
5838751 Core plate repair using guide tube gap wedges Nov. 17, 1998
5778034 Control rod drive mechanism Jul. 7, 1998
5646970 Core plate repair using control rod guide tube load transfer collar Jul. 8, 1997
5606583 Guide tube for a nuclear fuel assembly, and a method of manufacturing such a tube Feb. 25, 1997
5483565 Fuel assembly for a boiling water reactor Jan. 9, 1996
5465282 Fuel assembly for a nuclear reactor Nov. 7, 1995
5420900 Internal equipments for a nuclear reactor having spacer columns and control cluster guides May. 30, 1995
5416810 Internal equipment for a nuclear reactor having control cluster guides May. 16, 1995
5406597 Boiling water reactor including split control rod drives Apr. 11, 1995
5392326 Boiling water reactor Feb. 21, 1995
5375155 Fuel assembly with rational screw fastenings of the upper tie plate to tubes or rods Dec. 20, 1994
5363421 Control rod guide tube Nov. 8, 1994
5330589 Hafnium alloys as neutron absorbers Jul. 19, 1994
5282232 Nuclear reactor upper internal equipment with cluster guide devices Jan. 25, 1994
5268940 Reactor upper internals inspection device Dec. 7, 1993
5267286 Fuel assembly and reactor core Nov. 30, 1993
5241570 Core-control assembly with a fixed fuel support Aug. 31, 1993
5237595 Guide plate for guide tubes used in nuclear reactors Aug. 17, 1993
5232655 Nuclear fuel assembly skeleton Aug. 3, 1993
5207978 Nuclear reactor control cluster guide device May. 4, 1993
5200142 Nuclear fuel assembly top nozzle with improved peripheral hold-down assembly Apr. 6, 1993
5183627 Nuclear reactor with low-level core coolant intake Feb. 2, 1993
5183628 Nuclear reactor internals with cluster guides Feb. 2, 1993
5180550 Fuel assembly for nuclear reactor Jan. 19, 1993
5106572 Centering and fixation device for a cluster guide flange of a core plate of a nuclear reactor Apr. 21, 1992
5098647 Guide tube insert assembly for use in a nuclear reactor Mar. 24, 1992
5093075 Upper internal nuclear reactor equipments including a flow separation device Mar. 3, 1992
5073334 Self-actuated nuclear reactor shutdown system Dec. 17, 1991
5068083 Dashpot construction for a nuclear reactor rod guide thimble Nov. 26, 1991

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