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Class Information
Number: 376/361
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > Circulating fluid within reactor
Description: Subject matter wherein one of the reactor components is a fluid and is under sufficient pressure as to flow into or within the reactor during its operation.

Sub-classes under this class:

Class Number Class Name Patents
376/383 Fluid is a gas 14
376/362 Fuel assembly supports 66
376/395 Having specified fluid flow path or pattern within reactor core 24
376/402 Manipulated or used exterior of reactor core 179
376/381 Pebble bed reactor 88
376/366 Plural fluids or a fluid in plural phases circulating within reactor (e.g., pressure tube reactors) 25

Patents under this class:
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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
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
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
8599991 Boiling water reactor, core of boiling water reactor and fuel assembly Dec. 3, 2013
8590419 Reactor coolant pump flywheel Nov. 26, 2013
8594268 Two-fluid molten-salt reactor Nov. 26, 2013
8568105 Dynamic port for measuring reactor coolant pump bearing oil level Oct. 29, 2013
8558417 Cooling unit for nuclear reactor control rod driving apparatus Oct. 15, 2013
8548114 Method and apparatus for repairing a jet pump line support Oct. 1, 2013
8542792 Reactor vessel coolant deflector shield Sep. 24, 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
8437445 Method for predicting stresses on a steam system of a boiling water reactor May. 7, 2013
8422618 Apparatus and system for restricting the movement of a component Apr. 16, 2013
8391437 Jet pump riser brace clamp Mar. 5, 2013
8345814 Jet pump and nuclear reactor Jan. 1, 2013
8331523 Liquid cooled nuclear reactor with annular steam generator Dec. 11, 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
8040998 Fuel assembly Oct. 18, 2011
8009788 Monitoring method and monitoring program for boiling water reactor, and acoustic damping method for boiling water reactor Aug. 30, 2011
7835483 Steam separator, boiling water reactor and swirler assembly Nov. 16, 2010
7809099 Direct vessel injection (DVI) nozzle for minimum emergency core cooling (ECC) water bypass Oct. 5, 2010
7455818 Method for treating a flow of gas and gas treatment system Nov. 25, 2008
7430266 Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor Sep. 30, 2008
7333584 Nuclear power plant and operation method thereof Feb. 19, 2008
7139356 Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor Nov. 21, 2006
7136449 Nuclear reactor plant Nov. 14, 2006
6980621 Main steam system around nuclear reactor Dec. 27, 2005
6888910 Methods and apparatuses for removing thermal energy from a nuclear reactor May. 3, 2005
6813328 Nuclear reactor submerged high temperature spool pump Nov. 2, 2004
6781331 Method and apparatus for regulating motor generator output Aug. 24, 2004
6674830 Nuclear reactor plant Jan. 6, 2004
6594333 Thermal load reducing system for nuclear reactor vessel Jul. 15, 2003
6445758 Internal structure of nuclear reactor with coolant flow stabilizing facility Sep. 3, 2002
6375230 Apparatus and methods for precluding separation of a thermal sleeve and elbow joint in the recirculation system of a nuclear reactor Apr. 23, 2002
6236700 Downcommer coupling apparatus and methods May. 22, 2001
5778035 Control of coolant flow in a nuclear reactor Jul. 7, 1998
5528641 Fuel assembly Jun. 18, 1996
5440600 Laminated electromagnetic pump stator core Aug. 8, 1995
5426675 Self-aligning seal system for maintenance service in nuclear reactor pressure vessels Jun. 20, 1995
5265136 Sodium cooled fast reactor Nov. 23, 1993

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