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Class Information
Number: 976/DIG.60
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] > Means to influence the coolant flow through or around the assembly [g21c-3/32b] *** (dig. 246 takes precedence)
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
4926450 Fuel assembly May. 15, 1990
4913876 Nuclear reactor fuel assembly Apr. 3, 1990
4913875 Swirl vanes integral with spacer grid Apr. 3, 1990
4879090 Split vaned nuclear fuel assembly grid Nov. 7, 1989
4876063 Double-d water rod for 9 by 9 fuel bundle Oct. 24, 1989
4876062 Fuel assembly Oct. 24, 1989
4871510 Fuel assembly and reactor core Oct. 3, 1989
4863680 Fuel assembly Sep. 5, 1989
4849161 Debris-resistant fuel assembly Jul. 18, 1989
4844860 Support grid with integral vanes Jul. 4, 1989
4832905 Lower end fitting debris collector May. 23, 1989
4827063 Nuclear reactor fuel assembly May. 2, 1989
4826653 Fuel assembly with a water flow separated from the fuel rodsr May. 2, 1989
4818479 Nuclear reactor spacer grid and ductless core component Apr. 4, 1989
4818478 BWR fuel assembly mini-bundle having interior fuel rods of reduced diameter Apr. 4, 1989
4804516 Fuel assembly having anti-corrosion grids Feb. 14, 1989
4803044 Bwr assembly Feb. 7, 1989
4795608 Nuclear fuel assembly Jan. 3, 1989
4781885 Nuclear reactor fuel assembly Nov. 1, 1988
4777016 Fuel assembly Oct. 11, 1988
4775510 Nuclear fuel assembly hollow flow deflector Oct. 4, 1988
4762676 Top nozzle adapter plate with fuel rod capture grid having pressure drop adjusting means Aug. 9, 1988
4759912 BWR fuel assembly having hybrid fuel design Jul. 26, 1988
4758403 Grid with mixing fins for a nuclear fuel assembly Jul. 19, 1988
4755348 Cooled water rod (LOCA conditions) Jul. 5, 1988
4753774 Orificing of water cross inlet in BWR fuel assembly Jun. 28, 1988
4749543 Axially shaped channel and integral flow trippers Jun. 7, 1988
4738819 Boiling water nuclear reactor fuel assembly with cross-flow elimination at upper spacer locations Apr. 19, 1988
4728489 Support grid with integral vanes Mar. 1, 1988
4728490 Fuel rod spacer with perimeter scoops for diverting liquid coolant flow Mar. 1, 1988
4726926 Mixing grid Feb. 23, 1988
4725403 Box-type flow deflector for nuclear fuel grid Feb. 16, 1988
4716011 BWR fuel assembly bottom nozzle with one-way coolant flow valve Dec. 29, 1987
4708846 BWR critical-power-enhancing water rod (85-EN-3) Nov. 24, 1987
4698204 Intermediate flow mixing nonsupport grid for BWR fuel assembly Oct. 6, 1987
4692302 Coolant flow mixer grid for a nuclear reactor fuel assembly Sep. 8, 1987
4678631 Boiling water nuclear reactor fuel assembly Jul. 7, 1987
4675154 Nuclear fuel assembly with large coolant conducting tube Jun. 23, 1987
4666664 Coolant flow paths within a nuclear fuel assembly May. 19, 1987
4656000 Nuclear reactor Apr. 7, 1987
4654193 Fuel assembly for fast reactors Mar. 31, 1987
4652425 Bottom grid mounted debris trap for a fuel assembly Mar. 24, 1987
4649021 BWR fuel assembly with water flow mixing chamber at fuel bundle/water cross entrance Mar. 10, 1987
4626405 Cruciform skeleton and water cross for a BWR fuel assembly Dec. 2, 1986
4588549 Automatic coolant flow control device for a nuclear reactor assembly May. 13, 1986
4576786 Partial grid for a nuclear reactor fuel assembly Mar. 18, 1986
4560532 Nuclear fuel assembly Dec. 24, 1985
4547334 Low exchange element for nuclear reactor Oct. 15, 1985
4526745 Fuel assembly with a water flow separated from the fuel rods Jul. 2, 1985
4505877 Device for regulating the flow of a fluid Mar. 19, 1985

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