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Class Information
Number: 376/299
Name: Induced nuclear reactions: processes, systems, and elements > Reactor protection or damage prevention > Auxiliary heat removal structure > Decay heat removal
Description: Subject matter wherein the components are the fission fuel bodies and the energy removed is generated when the reactor is shutdown.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5428652 Secondary-side residual-heat removal system for pressurized-water nuclear reactors Jun. 27, 1995
5426681 Boiling water reactor with combined active and passive safety systems Jun. 20, 1995
5414743 Secondary-side residual-heat removal system for pressurized-water nuclear reactors May. 9, 1995
5406602 Passive air cooling of liquid metal-cooled reactor with double vessel leak accommodation capability Apr. 11, 1995
5392324 Device for and method of removing the residual power from a fast-neutron nuclear reactor at shutdown Feb. 21, 1995
5377243 Passive containment cooling system with drywell pressure regulation for boiling water reactor Dec. 27, 1994
5360056 Temperature initiated passive cooling system Nov. 1, 1994
5353318 Pressure suppression system Oct. 4, 1994
5349617 Apparatus for removing the residual power of a pressurized nuclear reactor core Sep. 20, 1994
5345482 Passive containment cooling water distribution device Sep. 6, 1994
5345481 Nuclear reactor plant with containment depressurization Sep. 6, 1994
5343507 Shutdown cooling system for operation during lapse of power Aug. 30, 1994
5339340 Liquid metal reactor air cooling baffle Aug. 16, 1994
5329564 Passive cooling system for a nuclear reactor Jul. 12, 1994
5319687 Device for preventing melt-through of a reactor vessel Jun. 7, 1994
5309489 Nuclear reactor with cooling apparatus and method May. 3, 1994
5309487 Mitigation of steam generator tube rupture in a pressurized water reactor with passive safety systems May. 3, 1994
5303274 Retrofittable passive containment cooling system Apr. 12, 1994
5301216 Method of operating a nuclear reactor with emergency cooling system economy Apr. 5, 1994
5295169 Reactor containment facilities Mar. 15, 1994
5291533 Cooling water distribution system Mar. 1, 1994
5283810 Pressurized water nuclear reactor with inherent safety Feb. 1, 1994
5282230 Passive containment cooling system Jan. 25, 1994
5276720 Emergency cooling system and method Jan. 4, 1994
5268942 Temporary cooling system and method for removing decay heat from a nuclear reactor Dec. 7, 1993
5268943 Nuclear reactor with makeup water assist from residual heat removal system Dec. 7, 1993
5267281 Heat exchanger and water tank arrangement for passive cooling system Nov. 30, 1993
5255296 Collecting and recirculating condensate in a nuclear reactor containment Oct. 19, 1993
5223210 Passive cooling system for liquid metal cooled nuclear reactors with backup coolant flow path Jun. 29, 1993
5217682 Passive indirect shutdown cooling system for nuclear reactors Jun. 8, 1993
5215708 Reactor building assembly and method of operation Jun. 1, 1993
5202083 Passive shutdown cooling system for nuclear reactors Apr. 13, 1993
5190720 Liquid metal cooled nuclear reactor plant system Mar. 2, 1993
5185122 Gamma ray flux measurement system Feb. 9, 1993
5180543 Passive safety injection system using borated water Jan. 19, 1993
5169595 Reactor core isolation cooling system Dec. 8, 1992
5169596 Large panel design for containment air baffle Dec. 8, 1992
5158741 Passive cooling system for top entry liquid metal cooled nuclear reactors Oct. 27, 1992
5158742 Reactor steam isolation cooling system Oct. 27, 1992
5154877 Passive off-site radiation reduction apparatus Oct. 13, 1992
5149492 Reactor containment vessel Sep. 22, 1992
5145639 Dual-phase reactor plant with partitioned isolation condenser Sep. 8, 1992
5120490 Liquid filling method for a high-temperature and high-pressure vessel and apparatus therefor Jun. 9, 1992
5114667 High temperature reactor having an improved fluid coolant circulation system May. 19, 1992
5112569 Intrinsic-safety nuclear reactor of the pressurized water type May. 12, 1992
5106571 Containment heat removal system Apr. 21, 1992
5102616 Full pressure passive emergency core cooling and residual heat removal system for water cooled nuclear reactors Apr. 7, 1992
5098646 Passive hydraulic vacuum breaker Mar. 24, 1992
5096659 Reactor containment vessel Mar. 17, 1992
5091143 Natural circulation reactor Feb. 25, 1992

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