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Class Information
Number: 976/DIG.76
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] > Spacer grids; other spacer devices [g21c-3/34] > Spacer grids wherein each cell has a polygonal (e.g., square cross section) ; cells formed of assembled metallic nonintersecting strips [g21c-3/34d] > Polygonal cells formed of intersecting strips [g21c-3/34d2]
Description:










Sub-classes under this class:

Class Number Class Name Patents
976/DIG.77 The cells being provided with fuel element supporting members [g21c-3/34d2a] 6


Patents under this class:

Patent Number Title Of Patent Date Issued
4900508 High strength nuclear fuel grid Feb. 13, 1990
4873051 Nuclear fuel grid outer strap Oct. 10, 1989
4844860 Support grid with integral vanes Jul. 4, 1989
4827063 Nuclear reactor fuel assembly May. 2, 1989
4818479 Nuclear reactor spacer grid and ductless core component Apr. 4, 1989
4728489 Support grid with integral vanes Mar. 1, 1988
4725403 Box-type flow deflector for nuclear fuel grid Feb. 16, 1988
4725402 Welded nuclear fuel grid and method Feb. 16, 1988
4698204 Intermediate flow mixing nonsupport grid for BWR fuel assembly Oct. 6, 1987
4594216 Spacing grid for a nuclear reactor fuel element Jun. 10, 1986
4418036 Fuel assembly for a nuclear reactor Nov. 29, 1983
4297170 Devices for transversely holding the fuel rods of a nuclear reactor assembly Oct. 27, 1981
4021300 Improved nuclear fuel assembly grid spacer May. 3, 1977











 
 
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