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Class Information
Number: 376/377
Name: Induced nuclear reactions: processes, systems, and elements > Reactor structures > Circulating fluid within reactor > Plural fluids or a fluid in plural phases circulating within reactor (e.g., pressure tube reactors) > With formation, separation, or manipulation of a vapor (e.g., boiling water reactor (bwr) type) > 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 purposes of altering the direction of coolant flow.

Patents under this class:

Patent Number Title Of Patent Date Issued
8542792 Reactor vessel coolant deflector shield Sep. 24, 2013
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
6928133 Pressurized light water reactor having flow converting grooves for emergency core cooling water Aug. 9, 2005
6487266 Siphon water rods Nov. 26, 2002
6445758 Internal structure of nuclear reactor with coolant flow stabilizing facility Sep. 3, 2002
6278757 Fuel assembly and nuclear reactor Aug. 21, 2001
6173028 Apparatus for promoting intermixing of heated coolant streams in nuclear reactor Jan. 9, 2001
6141397 Boiling water reactor core, boiling water reactor, and method of operating boiling water reactor Oct. 31, 2000
5953387 Separation device for a vent volume in a nuclear reactor Sep. 14, 1999
5857006 Chimney for enhancing flow of coolant water in natural circulation boiling water reactor Jan. 5, 1999
5774517 Regulation of the core coolant flow rate of a natural circulation reactor Jun. 30, 1998
5416812 Optimized critical power in a fuel bundle with part length rods May. 16, 1995
5363421 Control rod guide tube Nov. 8, 1994
5321731 Modular steam separator with integrated dryer Jun. 14, 1994
5268945 Boiling water reactor system with staggered chimney Dec. 7, 1993
5229068 Optimized critical power in a fuel bundle with part length rods Jul. 20, 1993
5209897 BWR core assembly May. 11, 1993
5183627 Nuclear reactor with low-level core coolant intake Feb. 2, 1993
5180547 Boiling water reactor with staggered chimney Jan. 19, 1993
5180546 Boiling water reactor with downcomer steam release channel Jan. 19, 1993
5178821 Standby passive injection coolant water safety injection system for nuclear reactor plants Jan. 12, 1993
5130082 Low pressure drop gas-liquid separator Jul. 14, 1992
5120493 Forced-circulation reactor with enhanced natural circulation Jun. 9, 1992
5112570 Two-phase pressure drop reduction BWR assembly design May. 12, 1992
5100609 Enhancing load-following and/or spectral shift capability in single-sparger natural circulation boiling water reactors Mar. 31, 1992
5091146 Steam vent tube for BWR fuel assembly Feb. 25, 1992
5085826 Steam dryer Feb. 4, 1992
5078953 Natural circulation boiling-water reactor with output power regulation Jan. 7, 1992
5017332 Two-phase pressure drop reduction BWR assembly design May. 21, 1991
5009838 Internal pump for nuclear reactor Apr. 23, 1991
4947485 Method for obtaining load-following capability in natural circulation, free-surface separation boiling water reactors Aug. 7, 1990
4912733 Steam-water separating system for boiling water nuclear reactors Mar. 27, 1990
4834937 Fluid flow-restricting seals or baffles May. 30, 1989
4810460 Nuclear boiling water reactor upper plenum with lateral throughpipes Mar. 7, 1989
4795608 Nuclear fuel assembly Jan. 3, 1989
4793966 Nuclear reactor Dec. 27, 1988
4788033 Calandria Nov. 29, 1988
4786465 Method for converting a downward flow of bypass coolant to an upward flow Nov. 22, 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
4696792 Nuclear reactor coolant recirculation Sep. 29, 1987
4663116 Nuclear reactor May. 5, 1987
4659539 Nuclear reactor Apr. 21, 1987
4656000 Nuclear reactor Apr. 7, 1987
4648425 System and method of confirming operation of a steam relieving safety valve for a water-cooled nuclear reactor Mar. 10, 1987
4648354 Steam generating apparatus having a feedwater header Mar. 10, 1987
4587093 Nuclear fuel assembly May. 6, 1986
4576784 Water sparger for a boiling water reactor Mar. 18, 1986
4478786 Fuel assembly Oct. 23, 1984

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