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Class Information
Number: 376/399
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > Circulating fluid within reactor > Having specified fluid flow path or pattern within reactor core > With particular flow directing or diverting means (e.g., flow baffle)
Description: Subject matter wherein structure is provided solely for the specific purpose of altering the direction of coolant flow.










Sub-classes under this class:

Class Number Class Name Patents
376/400 With core bypass means (e.g., passage along core barrel or through shield structure) 33


Patents under this class:
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Patent Number Title Of Patent Date Issued
8681928 Pressurizer baffle plate and pressurized water reactor (PWR) employing same Mar. 25, 2014
8542792 Reactor vessel coolant deflector shield Sep. 24, 2013
8532245 Core shroud corner joints Sep. 10, 2013
7940883 Fuel assembly May. 10, 2011
7907695 Natural circulation boiling water reactor and handling method thereof Mar. 15, 2011
7245689 Nuclear reactor internal structure Jul. 17, 2007
6928133 Pressurized light water reactor having flow converting grooves for emergency core cooling water Aug. 9, 2005
6445758 Internal structure of nuclear reactor with coolant flow stabilizing facility Sep. 3, 2002
5940463 In-vessel structure for fast reactors Aug. 17, 1999
5790619 Drain system for a nuclear power plant Aug. 4, 1998
5245639 Core barrel flow hole plug and installation method therefor Sep. 14, 1993
5198185 Nuclear reactor flow control method and apparatus Mar. 30, 1993
5120493 Forced-circulation reactor with enhanced natural circulation Jun. 9, 1992
5093075 Upper internal nuclear reactor equipments including a flow separation device Mar. 3, 1992
5075073 Foreign object separator for a reactor cooling system Dec. 24, 1991
4973444 Nuclear reactor installations Nov. 27, 1990
4960561 Nuclear reactor lower internals Oct. 2, 1990
4879089 Liquid metal cooled nuclear reactors Nov. 7, 1989
4849162 Modular radial neutron reflector Jul. 18, 1989
4842813 Nuclear reactor having a longitudinally elongated vessel Jun. 27, 1989
4834937 Fluid flow-restricting seals or baffles May. 30, 1989
4793966 Nuclear reactor Dec. 27, 1988
4788032 Nuclear reactor with flow guidance in the upper internals Nov. 29, 1988
4788033 Calandria Nov. 29, 1988
4786464 Cover plug of the core of a fast neutron nuclear reactor Nov. 22, 1988
4786465 Method for converting a downward flow of bypass coolant to an upward flow Nov. 22, 1988
4786461 Reactor internals hold down spring Nov. 22, 1988
4784825 Method and apparatus for preventing and repairing vibrational damage to nuclear fuel rods Nov. 15, 1988
4770840 Spectral shift light water nuclear reactor Sep. 13, 1988
4759904 Pressurized water reactor having improved calandria assembly Jul. 26, 1988
4759898 Fast neutron nuclear reactor having an improved core cover plug Jul. 26, 1988
4752441 Modular former for inner barrel assembly of pressurized water reactor Jun. 21, 1988
4734250 Concentric pipe loop arrangement for pressurized water nuclear reactors Mar. 29, 1988
4731220 Neutron reflector Mar. 15, 1988
4717527 Fuel assembly Jan. 5, 1988
4716012 Reactor internals loose parts strainer Dec. 29, 1987
4716013 Nuclear reactor Dec. 29, 1987
4711760 Nuclear reactor incorporating locking device for threaded bolt connections Dec. 8, 1987
4707331 Top end support for water displacement rod guides of pressurized water reactor Nov. 17, 1987
4701299 Modular lining for adapting the containment to the core of a pressurized water nuclear reactor Oct. 20, 1987
4683108 Locking screw apparatus and method for underwater remote replacement Jul. 28, 1987
4681728 Nuclear reactor Jul. 21, 1987
4664879 Guide tube flow restrictor May. 12, 1987
4661306 Fluid moderator control system reactor internals distribution system Apr. 28, 1987
4659539 Nuclear reactor Apr. 21, 1987
4656001 Device for the homogeneous mixing of liquids flowing at different temperatures Apr. 7, 1987
4650638 Method for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor Mar. 17, 1987
4649868 Sludge trap with internal baffles for use in nuclear steam generator Mar. 17, 1987
4639350 Cover-plug for the core of a fast neutron nuclear reactor Jan. 27, 1987
4613478 Plenum separator system for pool-type nuclear reactors Sep. 23, 1986

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