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Class Information
Number: 976/DIG.66
Name: Nuclear technology > Reactor fuel elements and their assemblies; selection of substances for use as reactor fuel elements [g21c-3/00] > Assemblies of number of fuel elements in the form of a rigid unit [g21c-3/30] > Bundles of parallel pin-, rod-, or tube-shaped fuel elements [g21c-3/32] > Supporting or hanging the elements in the assembly [g21c-3/32h] *** (spacer grids dig. 71); means forming part of the assembly for inserting it into, or removing it from, the core; means for coupling adjacent assemblies (means forming part of the element for inserting it into, or removing it from, the core; or means for coupling adjacent elements dig. 49) > Supports for spacer grids [g21c-3/32h2]

Patents under this class:

Patent Number Title Of Patent Date Issued
4859407 Nuclear reactor fuel assembly Aug. 22, 1989
4788026 Nuclear fuel assembly grid sleeve/guide thimble bulge orientation gage and inspection method Nov. 29, 1988
4692303 Spacer capture rod to space grid attachment device Sep. 8, 1987
4587092 Nuclear reactor fuel assembly May. 6, 1986
4489038 Fuel assembly for a nuclear reactor Dec. 18, 1984
4364901 Anti-fly-off device Dec. 21, 1982
4302294 Nuclear reactor fuel assemblies Nov. 24, 1981
4294660 Spacer assembly retainer arrangement Oct. 13, 1981
4240876 Nuclear fuel assembly Dec. 23, 1980
4239597 Nuclear fuel spacer grid Dec. 16, 1980
4221636 Grids for bringing about the spacing of a group of sheathed fuel rods in a nuclear reactor Sep. 9, 1980
4135972 Nuclear reactor spacer assembly Jan. 23, 1979
4124443 Nuclear fuel-rod assembly support structure Nov. 7, 1978
4120751 Fuel element skeleton Oct. 17, 1978
4119490 Nuclear fuel assembly Oct. 10, 1978
4089742 Nuclear fuel element spacer means May. 16, 1978
4081324 Spacer capture rod to spacer grid attachment device Mar. 28, 1978
4061536 Fuel assembly for nuclear reactors Dec. 6, 1977
3984284 Spacer capture system for nuclear fuel assemblies Oct. 5, 1976
3954560 Nuclear fuel assembly May. 4, 1976

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