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Class Information
Number: 376/290
Name: Induced nuclear reactions: processes, systems, and elements > Reactor protection or damage prevention > Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) > Thermal insulation > For liquid metal cooled fast reactors (e.g., insulation for vault roof, or for the vessel walls as by a layer of stagnant or quasi-stagnant coolant)
Description: Subject matter having the attenuation in a system which includes an unmoderated fission fuel system cooled by molten metal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8670518 Fully passive decay heat removal system for sodium-cooled fast reactors that utilizes partially immersed decay heat exchanger Mar. 11, 2014
8300759 Decay heat removal system comprising heat pipe heat exchanger Oct. 30, 2012
7522693 Passive safety-grade decay-heat removal method and decay-heat removal system for LMR with pool direct heat cooling process Apr. 21, 2009
6594333 Thermal load reducing system for nuclear reactor vessel Jul. 15, 2003
6519308 Corrosion mitigation system for liquid metal nuclear reactors with passive decay heat removal systems Feb. 11, 2003
6185269 Liquid metal reactor power block Feb. 6, 2001
6081573 Reactor internal equipment hoisting apparatus Jun. 27, 2000
5940463 In-vessel structure for fast reactors Aug. 17, 1999
5579355 Heat dissipation system for a nuclear reactor, in particular a pressurized water reactor Nov. 26, 1996
5499277 Method and apparatus for enhancing reactor air-cooling system performance Mar. 12, 1996
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
5345480 Cooling device which can be fitted onto a remote manipulation arm and its utilization for an operation in a hostile medium at a high temperature Sep. 6, 1994
5289511 Liquid-metal cooled nuclear reactor Feb. 22, 1994
5265136 Sodium cooled fast reactor Nov. 23, 1993
5223210 Passive cooling system for liquid metal cooled nuclear reactors with backup coolant flow path Jun. 29, 1993
5190720 Liquid metal cooled nuclear reactor plant system Mar. 2, 1993
5021211 Liquid metal cooled nuclear reactors with passive cooling system Jun. 4, 1991
5013521 Internal shell of a fast-neutron nuclear reactor comprising a thermal protection device May. 7, 1991
4978497 Apparatus for the thermal protection of the upper support ferrule of a suspended vessel, particularly in a fast neutron nuclear reactor Dec. 18, 1990
4973444 Nuclear reactor installations Nov. 27, 1990
4927597 Device for cooling the main vessel of a fast neutron nuclear reactor cooled by a liquid metal May. 22, 1990
4909981 Nuclear reactor Mar. 20, 1990
4786464 Cover plug of the core of a fast neutron nuclear reactor Nov. 22, 1988
4783310 Heat barrier for use in a nuclear reactor facility Nov. 8, 1988
4767594 Control of reactor coolant flow path during reactor decay heat removal Aug. 30, 1988
4761261 Nuclear reactor Aug. 2, 1988
4759898 Fast neutron nuclear reactor having an improved core cover plug Jul. 26, 1988
4756879 Core cover plug of a liquid metal-cooled nuclear reactor Jul. 12, 1988
4737338 Nuclear reactor containing connecting means for connecting a reactor vessel and at least one receiver vessel Apr. 12, 1988
4698199 Retractable duct connectors in a nuclear reactor Oct. 6, 1987
4681726 Fast breeder reactor Jul. 21, 1987
4676947 Device for thermal protection of a component of a fast-neutron nuclear reactor Jun. 30, 1987
4671922 Nuclear reactor cooled by a liquid metal Jun. 9, 1987
4666652 Fast neutron nuclear reactor comprising a suspended sealing slab and main vessel May. 19, 1987
4664876 Fast breeder reactor May. 12, 1987
4655998 Liquid metal cooled nuclear rector constructions Apr. 7, 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
H51 Heat insulating system for a fast reactor shield slab Apr. 1, 1986
4578238 Fast neutron nuclear reactor Mar. 25, 1986
4560530 Device for providing protection against heat and radiation for an intermediate heat exchanger immersed in a nuclear reactor vessel Dec. 24, 1985
4492667 Fast neutron nuclear reactor Jan. 8, 1985
4478784 Passive heat transfer means for nuclear reactors Oct. 23, 1984
4477410 Device for cooling the main vessel of a fast fission nuclear reactor Oct. 16, 1984
4465653 Nuclear reactor Aug. 14, 1984
4464334 Fast neutron nuclear reactors Aug. 7, 1984
4423003 Thermal insulation device Dec. 27, 1983
4418748 Heat exchanger whose hot end has a device for protecting the tube plate Dec. 6, 1983
4369893 Sealing arrangement with annular flexible disc Jan. 25, 1983

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