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Class Information
Number: 976/DIG.102
Name: Nuclear technology > Moderator or core structure; selection of materials for use as moderator [g21c-5/00] > Details [g21c-5/02] > Means for locating or supporting fuel elements [g21c-5/06] *** (means forming part of the element dig. 48)
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
5089215 Method of securing a centering pin for a nuclear fuel assembly Feb. 18, 1992
5030413 Core internals of a water-cooled nuclear reactor Jul. 9, 1991
4859400 Nuclear reactor core restraint Aug. 22, 1989
4851186 Nuclear reactor core and process for charging said core Jul. 25, 1989
4820479 Guide pin assembly for a nuclear reactor Apr. 11, 1989
4746488 Hydraulic holding down device for a nuclear fuel assembly May. 24, 1988
4732729 Fast breeder reactor Mar. 22, 1988
4675151 Nuclear fuel assembly lock down device Jun. 23, 1987
4659538 Apparatus for limiting the effect of axial hydraulic flow force exerted on fuel assemblies of water-cooled nuclear reactors Apr. 21, 1987
4643868 Support arrangement for core modules of nuclear reactors Feb. 17, 1987
4623512 Device for fixing a fuel array to the lower core-supporting plate in a nuclear reactor Nov. 18, 1986
4617171 Device for fixing a guide tube in a recess on the end fitting of a nuclear reactor fuel assembly Oct. 14, 1986
4615862 Nuclear reactor with fuel assembly support means Oct. 7, 1986
4551300 Nuclear reactor fuel assembly end fitting Nov. 5, 1985
4499047 Fuel assembly with a top plate arranged above the upper end surfaces of the fuel rods Feb. 12, 1985
RE31583 Fuel assembly hold-down device May. 8, 1984
4381284 Fuel assembly for a nuclear reactor Apr. 26, 1983
4352778 Device for holding and supplying with liquid metal an assembly for a nuclear reactor core Oct. 5, 1982
4309251 Nuclear fuel assembly holddown apparatus Jan. 5, 1982
4304631 Control component retainer Dec. 8, 1981
4298434 Bottom mounted fuel holddown mechanism Nov. 3, 1981
4298432 Device for holding gas-cooled fuel assemblies of nuclear reactors Nov. 3, 1981
4268357 Positive lock holddown device May. 19, 1981
4256538 Liquid metal cooled fast breeder nuclear reactor Mar. 17, 1981
4208249 Hydraulic seismic support for nuclear fuel assembly Jun. 17, 1980
4198272 Fuel sub-assemblies for nuclear reactors Apr. 15, 1980
4194948 Locking support for nuclear fuel assemblies Mar. 25, 1980
4192716 Peripheral pin alignment system for fuel assemblies Mar. 11, 1980
4174257 Hydraulic hold-down for nuclear reactor fuel Nov. 13, 1979
4164443 Hydraulic fuel hold down Aug. 14, 1979
4152206 Nuclear fuel element end fitting May. 1, 1979
4139315 Bolted plate joint Feb. 13, 1979
4135971 Hydraulic hold-down for nuclear reactor fuel Jan. 23, 1979
4134790 Fuel lock down device Jan. 16, 1979
4127445 Peripheral pin alignment system for fuel assemblies Nov. 28, 1978
4104120 Static fuel holddown system Aug. 1, 1978
4078967 Holddown device for nuclear fuel assembly Mar. 14, 1978
4076586 Nuclear reactor of the pressurized water type Feb. 28, 1978
4072564 Motion restraining apparatus for a nuclear reactor Feb. 7, 1978
4072562 Device to accept axial forces occurring on fuel assemblies during the operation of nuclear reactors Feb. 7, 1978
4067772 Rod-shaped components between fuel elements of boiling-water reactors Jan. 10, 1978
4066500 Grid lattice structure Jan. 3, 1978
4053359 Nuclear reactor Oct. 11, 1977
4050986 Nuclear reactor I Sep. 27, 1977
4038133 Nuclear reactor with suspended fuel assemblies having secondary emergency suspensions Jul. 26, 1977
4016035 Fuel assembly support column for a nuclear reactor diagrid Apr. 5, 1977
4006055 Resilient tension device in nuclear reactors Feb. 1, 1977
3996102 Support grid Dec. 7, 1976
3971698 Nuclear reactors Jul. 27, 1976
3964969 Internal core tightener Jun. 22, 1976

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