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Class Information
Number: 976/DIG.104
Name: Nuclear technology > Moderator or core structure; selection of materials for use as moderator [g21c-5/00] > Details [g21c-5/02] > Means for supporting the complete structure [g21c-5/10] *** (arrangements for supporting vessels and core structure dig. 168)

Patents under this class:
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Patent Number Title Of Patent Date Issued
4997620 Process and device for limiting the intensity of parasitic jets of cooling water in a pressurized-water nuclear reactor Mar. 5, 1991
4828788 Support device for a discharge tank associated with a suspended pump of a nuclear reactor May. 9, 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
4772448 Support pin system and locking nut retainer Sep. 20, 1988
4759904 Pressurized water reactor having improved calandria assembly Jul. 26, 1988
4752441 Modular former for inner barrel assembly of pressurized water reactor Jun. 21, 1988
4752438 Cluster guide with centering and antivibratory positioning device for nuclear reactors Jun. 21, 1988
4729868 Vibration arrestor for rod guide support structure of the inner barrel assembly of a pressurized water reactor Mar. 8, 1988
4716012 Reactor internals loose parts strainer 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
4704801 Device for checking the vertical alignment of the upper and lower internal equipment of a pressurized water nuclear reactor Nov. 10, 1987
4694585 Device for measuring clearance around a pin for centering the upper internal equipment of a pressurized water nuclear Sep. 22, 1987
4681726 Fast breeder reactor Jul. 21, 1987
4675152 Nuclear reactor with core partitioning by bracing rods and plates Jun. 23, 1987
4673548 Thermal barrier and support for nuclear reactor fuel core Jun. 16, 1987
4659539 Nuclear reactor Apr. 21, 1987
4657730 Low stressed rationally shaped core support Apr. 14, 1987
4649609 Apparatus and process for providing an alternate coolant path in the core of a nuclear reactor Mar. 17, 1987
4650638 Method for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor Mar. 17, 1987
4650639 Method and apparatus for eliminating leakage spaces between the partitions surrounding the core of a pressurized water nuclear reactor Mar. 17, 1987
4647422 Three-coordinate positioning apparatus for the inspection and maintenance of nuclear reactor components Mar. 3, 1987
4645638 Hanging core support system for a nuclear reactor Feb. 24, 1987
4560531 Device for partitioning off the core of a nuclear reactor Dec. 24, 1985
4462956 Apparatus for partitioning off the core of a nuclear reactor with removable elements Jul. 31, 1984
4459261 Support structure for a core of a high temperature reactor Jul. 10, 1984
4457890 Liquid metal cooled nuclear reactors Jul. 3, 1984
4410487 Core baffle or enclosure and method of fabricating the same Oct. 18, 1983
4409466 Method of manufacture of a hoop for the vessel of a nuclear reactor Oct. 11, 1983
4330371 Support structure core assembly in a nuclear reactor May. 18, 1982
4302293 Gas-cooled high temperature reactor with supporting structure having gas conduits therein Nov. 24, 1981
4294661 Liquid metal cooled fast breeder nuclear reactor constructions Oct. 13, 1981
4282063 Device for core container-crash protection and coolant guidance in a nuclear reactor pressure vessel Aug. 4, 1981
4234384 Support structure for the core of a high capacity gas cooled high temperature reactor Nov. 18, 1980
4199403 Seismic core shroud Apr. 22, 1980
4198271 Liquid metal cooled nuclear reactor constructions Apr. 15, 1980
4192716 Peripheral pin alignment system for fuel assemblies Mar. 11, 1980
4172010 Liquid metal cooled nuclear reactor constructions Oct. 23, 1979
4154650 Nuclear reactors May. 15, 1979
4142936 Core support structure for nuclear power plants Mar. 6, 1979
4135974 Nuclear core positioning system Jan. 23, 1979
4134790 Fuel lock down device Jan. 16, 1979
4127445 Peripheral pin alignment system for fuel assemblies Nov. 28, 1978
4126767 Bottom actuated reactor control system Nov. 21, 1978
4097332 Holddown structure for a nuclear reactor core Jun. 27, 1978
4096034 Holddown structure for a nuclear reactor core Jun. 20, 1978
4081325 Internal structure for a nuclear reactor vessel Mar. 28, 1978
4053359 Nuclear reactor Oct. 11, 1977

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