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Class Information
Number: 376/289
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
Description: Subject matter wherein the radiation attenuated is thermal radiation.










Sub-classes under this class:

Class Number Class Name Patents
376/291 Concentric tubes or conduits with insulation 36
376/290 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) 80


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
8588360 Evacuated containment vessel for a nuclear reactor Nov. 19, 2013
8401142 Nuclear reactor vessel fuel thermal insulating barrier Mar. 19, 2013
8036335 Thermal load reducing system for nuclear reactor vessel Oct. 11, 2011
7616728 Nuclear reactor internals alignment configuration Nov. 10, 2009
6233300 Conical shaped seismic guide pins and mating openings May. 15, 2001
5754612 Joint for interfacing steel head closure and prestressed concrete reactor vessel May. 19, 1998
5699394 Thermal insulating barrier and neutron shield providing integrated protection for a nuclear reactor vessel Dec. 16, 1997
5450459 Enclosure for confining and covering a wall and in particular the vessel head of a nuclear reactor Sep. 12, 1995
5398266 Superconductive apparatus Mar. 14, 1995
5343506 Nuclear reactor installation with a core catcher device and method for exterior cooling of the latter by natural circulation Aug. 30, 1994
5268944 Nuclear reactor having a polyhedral primary shield and removable vessel insulation Dec. 7, 1993
5209896 Heat shield May. 11, 1993
5200141 Thermionic fuel element Apr. 6, 1993
5012860 Actively cooled heat protective shield May. 7, 1991
4925622 Treadable insulation system with lagging support May. 15, 1990
4859402 Bottom supported liquid metal nuclear reactor Aug. 22, 1989
4847040 Nuclear power plant with a gas cooled high temperature reactor Jul. 11, 1989
4797247 Thermal insulation of nuclear reactor Jan. 10, 1989
4783310 Heat barrier for use in a nuclear reactor facility Nov. 8, 1988
4756876 Modular ultrafiltration device for the cooling liquid of a nuclear reactor Jul. 12, 1988
4752436 Nuclear component horizontal seismic restraint Jun. 21, 1988
4708843 Control unit for a nuclear reactor Nov. 24, 1987
4702879 Nuclear reactor with passive safety system Oct. 27, 1987
4676946 Thermal insulating blanket Jun. 30, 1987
4673546 Pressurizer loop seal insulation assembly Jun. 16, 1987
4673548 Thermal barrier and support for nuclear reactor fuel core Jun. 16, 1987
4671922 Nuclear reactor cooled by a liquid metal Jun. 9, 1987
4659601 Adjustable multilayer thermal mirror insulation Apr. 21, 1987
4655998 Liquid metal cooled nuclear rector constructions Apr. 7, 1987
4655997 Nuclear reactor constructions Apr. 7, 1987
4640437 Insulated container and insulating element therefor Feb. 3, 1987
4608495 Collapsible radiation attenuation system Aug. 26, 1986
H51 Heat insulating system for a fast reactor shield slab Apr. 1, 1986
4574070 Thermal insulation of nuclear reactor Mar. 4, 1986
4543232 Gas cooled high temperature reactor Sep. 24, 1985
4525968 All-metallic heat insulation, formed of heat insulating building blocks which can be joined together Jul. 2, 1985
4526742 Nuclear reactor plant Jul. 2, 1985
4490328 Bottom shield for a gas cooled high temperature nuclear reactor Dec. 25, 1984
4454905 Shield wall hanger Jun. 19, 1984
4429663 Reactor pressure vessel for a boiling-water reactor Feb. 7, 1984
4425963 Heat insulation for dome-shaped bottom and/or cover region of a pressure vessel Jan. 17, 1984
4418724 Heat insulating casing Dec. 6, 1983
4416846 Nuclear power plant with cooling circuit Nov. 22, 1983
4412408 Heat-insulation building block of all-metal construction Nov. 1, 1983
4411308 Vaulted cover assembly to close a vertical recess in a pressure vessel Oct. 25, 1983
4405055 Vaulted cover with flange and plurality of pipe fittings Sep. 20, 1983
4357297 Apparatus for thermally insulating nuclear reactor primary vessels Nov. 2, 1982
4303553 Neutron-protection heat insulating material Dec. 1, 1981
4292134 Biological shield for insulating pressure vessels Sep. 29, 1981

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