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Class Information
Number: 976/DIG.64
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] > Comprising fuel-elements of various compositions; comprising other pin-, rod-, or tube-like forms [g21c-3/32g] *** (elements influencing the coolant flow dig. 60) > Special arrangements of elements in the assembly-lattice (e.g., fissile rods, fertile rods, water rods, poison rods, dummy-rods) [g21c-3/32g2]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
4935197 Neutron shields for nuclear reactor core sub-assemblies Jun. 19, 1990
4921282 Undermoderated nuclear reactor May. 1, 1990
4876063 Double-d water rod for 9 by 9 fuel bundle Oct. 24, 1989
4863680 Fuel assembly Sep. 5, 1989
4832906 Fuel assembly May. 23, 1989
4826654 Fuel assembly May. 2, 1989
4818478 BWR fuel assembly mini-bundle having interior fuel rods of reduced diameter Apr. 4, 1989
4818474 Process for the control of the core of a pressurized nuclear water reactor Apr. 4, 1989
4803044 Bwr assembly Feb. 7, 1989
4793963 Fuel rod cluster interchange system and method for nuclear fuel assemblies Dec. 27, 1988
4789520 Fuel assembly and nuclear reactor Dec. 6, 1988
4759896 Method and apparatus for improving flux reduction factors Jul. 26, 1988
4759912 BWR fuel assembly having hybrid fuel design Jul. 26, 1988
4749547 Nuclear fuel assembly Jun. 7, 1988
4717527 Fuel assembly Jan. 5, 1988
4716016 Universal fuel assembly construction for a nuclear reactor Dec. 29, 1987
4708845 BWR fuel assembly with improved spacer and fuel bundle design for enhanced thermal-hydraulic performance Nov. 24, 1987
4708846 BWR critical-power-enhancing water rod (85-EN-3) Nov. 24, 1987
4695425 Fuel assembly Sep. 22, 1987
4689195 Fuel assembly Aug. 25, 1987
4683116 Nuclear reactor Jul. 28, 1987
4683113 Nuclear fuel assembly Jul. 28, 1987
4664878 Light water moderator filled rod for a nuclear reactor May. 12, 1987
4654193 Fuel assembly for fast reactors Mar. 31, 1987
4652427 Fuel assembly Mar. 24, 1987
4652416 Fuel assembly for a pressurized water nuclear reactor Mar. 24, 1987
4649020 Nuclear fuel assembly and nuclear reactor operating process comprising application thereof Mar. 10, 1987
4631166 High utilization fuel assembly Dec. 23, 1986
4629599 Burnable absorber arrangement for fuel bundle Dec. 16, 1986
4614636 17.times.17 Nuclear fuel assembly thimble tube cap Sep. 30, 1986
4609521 Complementary shutdown device for an undermoderated nuclear reactor Sep. 2, 1986
4606880 Symmetric blanket nuclear fuel assembly Aug. 19, 1986
4591479 Boiling water reactor fuel bundle May. 27, 1986
4587089 Fuel assembly for boiling water reactor May. 6, 1986
4567018 Core construction of nuclear reactor Jan. 28, 1986
4526746 Fuel assembly having water passageway in channel wall Jul. 2, 1985
4526741 Fuel assembly for the production of tritium in light water reactors Jul. 2, 1985
4495136 Maximum power capability blanket for nuclear reactors Jan. 22, 1985
4483818 Fuel assembly Nov. 20, 1984
4355002 Nuclear fuel assembly Oct. 19, 1982
4280874 Nuclear reactor core structure with zones of varying enrichment Jul. 28, 1981
4251321 Nuclear reactor utilizing plutonium Feb. 17, 1981
4244784 Construction of nuclear reactor core Jan. 13, 1981
4229258 Fuel assembly Oct. 21, 1980
4148687 Method for savings in nuclear reactors by using beryllium rods in fuel bundles Apr. 10, 1979
4078966 System for the emergency injection of liquid into a nuclear reactor core Mar. 14, 1978
4059484 Hybrid nuclear fuel assembly with reduced linear heat generation rates Nov. 22, 1977
3933582 Plutonium fuel adjacent burnable poison Jan. 20, 1976











 
 
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