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Class Information
Number: 376/347
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures
Description: Subject matter comprising the combination of two or more of the following structural elements: moderator structure, fuel structure, coolant structure (including primary coolant, per se), or fuel support structure.

Sub-classes under this class:

Class Number Class Name Patents
376/361 Circulating fluid within reactor 64
376/348 Fast thermal composite core 5
376/349 Flux flattening 27
376/354 Fuel material in contact with and supported by fluid 3
376/350 Moderator component varies in its effective density or materials 6
376/352 Orifice or fluid control at inlet or outlet of coolant channels 249
376/353 With particular control rod guide structure 165

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8711998 Cooling structure and cooling method for control rod drive mechanism and nuclear reactor Apr. 29, 2014
8712003 Jet pump and reactor Apr. 29, 2014
8705685 Device for removing solid particles from the cooling medium which circulates in the primary circuit of a nuclear reactor Apr. 22, 2014
8705686 Adjustable hard stops for nuclear reactor restrainer brackets and methods of using the same Apr. 22, 2014
8687759 Internal dry containment vessel for a nuclear reactor Apr. 1, 2014
8681928 Pressurizer baffle plate and pressurized water reactor (PWR) employing same Mar. 25, 2014
8675806 Dielectric coating for surfaces exposed to high temperature water Mar. 18, 2014
8675808 Natural circulation type boiling water reactor Mar. 18, 2014
8660232 Supersafe and simply-/easily-decommissionable nuclear power plant Feb. 25, 2014
8638900 Nuclear reactor alignment plate configuration Jan. 28, 2014
8638901 Optimum configuration for fast reactors Jan. 28, 2014
8630385 Emergency core cooling duct for emergency core cooling water injection of a nuclear reactor Jan. 14, 2014
8611488 Debris exclusion and retention device for a fuel assembly Dec. 17, 2013
8599991 Boiling water reactor, core of boiling water reactor and fuel assembly Dec. 3, 2013
8594268 Two-fluid molten-salt reactor Nov. 26, 2013
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
8571166 Core of light water reactor and fuel assembly Oct. 29, 2013
8568105 Dynamic port for measuring reactor coolant pump bearing oil level Oct. 29, 2013
8548113 Debris mitigation upper tie plates and fuel bundles using the same Oct. 1, 2013
8548114 Method and apparatus for repairing a jet pump line support Oct. 1, 2013
8532245 Core shroud corner joints Sep. 10, 2013
8483348 Method of providing a hold-down force upon a nuclear fuel assembly Jul. 9, 2013
8472581 Reactor vessel reflector with integrated flow-through Jun. 25, 2013
8467492 Jet pump and reactor Jun. 18, 2013
8442182 Annular core liquid-salt cooled reactor with multiple fuel and blanket zones May. 14, 2013
8422618 Apparatus and system for restricting the movement of a component Apr. 16, 2013
8422617 Core of light water reactor and fuel assembly Apr. 16, 2013
8406369 Fuel assembly for PWR nuclear reactor Mar. 26, 2013
8391437 Jet pump riser brace clamp Mar. 5, 2013
8369474 Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system Feb. 5, 2013
8311179 Methods for stabilizing a steam dryer assembly in a nuclear reactor pressure vessel Nov. 13, 2012
8284889 Methods and apparatuses for clamping a jet pump sensing line support Oct. 9, 2012
8246313 Dynamic port for measuring reactor coolant pump bearing oil level Aug. 21, 2012
8064565 Reactor core Nov. 22, 2011
7970095 Radioisotope production structures, fuel assemblies having the same, and methods of using the same Jun. 28, 2011
7630470 Method for making a flat zirconium alloy product, resulting flat product and fuel, assembly component for nuclear power plant reactor made from said flat product Dec. 8, 2009
7616728 Nuclear reactor internals alignment configuration Nov. 10, 2009
7596199 Method and device for stabilizing a steam dryer assembly in nuclear reactor pressure vessel Sep. 29, 2009
7505547 Assembly and method for mounting a fuel assembly having a predefined orientation within a nuclear reactor Mar. 17, 2009
7206372 Methods of repairing leaking elongate hollow members in boiling water reactors Apr. 17, 2007
6925138 Reactor core and method for operating nuclear reactor Aug. 2, 2005
6813328 Nuclear reactor submerged high temperature spool pump Nov. 2, 2004
6771731 Device for storage of hazardous material Aug. 3, 2004
6577697 Field analysis of geological samples using delayed neutron activation analysis Jun. 10, 2003
6501814 Dry radioactive substance storage facility Dec. 31, 2002
6351511 Local repair of top guide in boiling water reactor by installation of cruciform beam Feb. 26, 2002
6272197 Coolant mixing grid for nuclear fuel assembly Aug. 7, 2001
6183243 Method of using nuclear waste to produce heat and power Feb. 6, 2001
5987088 Precipitation hardening type single crystal austenitic steel, and usage the same Nov. 16, 1999
5844957 Reactor core Dec. 1, 1998

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