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Class Information
Number: 376/271
Name: Induced nuclear reactions: processes, systems, and elements > Handling of fission reactor component structure within reactor system > Refueling machines > Upper axial transfer
Description: Subject matter wherein the fuel element is moved between its position in the core and a position above and in axial alignment with its core position by means located above the core.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8666016 Fuel exchange apparatus Mar. 4, 2014
8428214 Method for aligning and handling fuel rods within a nuclear fuel bundle Apr. 23, 2013
8390492 Signal processing apparatus Mar. 5, 2013
8254516 Control rod drive outer filter removal tool Aug. 28, 2012
7773717 Systems for aligning and handling fuel rods within a nuclear fuel bundle Aug. 10, 2010
7321650 Apparatus for transferring an article between fluid-filled vessels Jan. 22, 2008
6895067 Smooth collet for pulling fuel rods May. 17, 2005
6885718 Method and apparatus for transferring an article between fluid-filled vessels Apr. 26, 2005
6404836 Removable spent fuel handling machine rail Jun. 11, 2002
6359953 Loading machine for transferring closely adjacent elongate articles, in particular fuel elements, and method for simultaneously transferring fuel elements Mar. 19, 2002
5930318 Method and a device for nuclear fuel handling Jul. 27, 1999
5850424 Refueling machine with relative positioning capability Dec. 15, 1998
5825837 Extraction tool for partial length fuel rods in nuclear fuel assemblies Oct. 20, 1998
5699397 Tool for vertically supporting tie rod assembly against clevis pin on gusset plate in boiling water reactor Dec. 16, 1997
5687207 Refueling machine Nov. 11, 1997
5624047 Telescoping mast with zero clearance for refueling machine Apr. 29, 1997
5577084 Apparatus for removing and installing a recirculation pump in a pressure housing Nov. 19, 1996
5539789 Method and apparatus for identifying failed nuclear fuel rods during refueling in a reactor core Jul. 23, 1996
5526384 Fueling machine for fuel assemblies for the core of a nuclear reactor, having removable guide beams Jun. 11, 1996
5483560 Method and apparatus for testing, repairing or exchanging the nozzles passing through the bottom of a reactor pressure vessel Jan. 9, 1996
5377240 Transfer carriage with interchangeable baskets Dec. 27, 1994
5369676 Reactor refueling mechanism Nov. 29, 1994
5280508 Partial length rod upper end plug and grapples therefor Jan. 18, 1994
5180541 Handling flask comprising a device for displacement of a load along a vertical axis Jan. 19, 1993
5151245 Device for the sealed opening and closing of a passage interconnecting a central channel of a transportable hollow body and a vertical well formed in a fixed structure Sep. 29, 1992
5128095 Grab for lifting and displacing an object between a position submerged in a hot liquid, such as metal, and a position emerged in gas Jul. 7, 1992
5084231 Cylindrical refueling mast with longitudinal guide grooves Jan. 28, 1992
4834934 Thimble grip fuel assembly handling tool May. 30, 1989
4829648 Apparatus and method for simultaneously loading a reinforcing sleeve and mandrel into a tube May. 16, 1989
4824633 Method and apparatus for controlling refuelling machine of reactor Apr. 25, 1989
4822554 Reconstitution and repair system for nuclear fuel rod assemblies Apr. 18, 1989
4781882 Guide roller assembly for nuclear reactor refueling apparatus Nov. 1, 1988
4771526 Sleeving of steam generators Sep. 20, 1988
4724607 Apparatus for rebuilding nuclear fuel assemblies Feb. 16, 1988
4715111 Remote repair system for nuclear fuel rod assemblies Dec. 29, 1987
4705661 Fast neutron nuclear reactor equipped with a central handling cell and a boxed slab Nov. 10, 1987
4687624 Liquid metal cooled fast breeder reactor Aug. 18, 1987
4687245 Tool for pulling multiple rods from a nuclear fuel assembly Aug. 18, 1987
4673544 Pushing device for sliding fuel rods out of a nuclear reactor fuel assembly Jun. 16, 1987
4667547 Apparatus and method for removing a top nozzle in reconstituting a fuel assembly May. 26, 1987
4663114 Apparatus for handling nuclear fuel assemblies and assembly adapted to such an apparatus May. 5, 1987
4639993 Nuclear fuel rod loading fixture for use in a remote repair system Feb. 3, 1987
4624042 Robotic clamp and index tool and method for their use in repairing certain elements with in a nuclear reactor Nov. 25, 1986
4623509 Safety device for a nuclear fuel element loading mechanism Nov. 18, 1986
4609219 Suspension grapple Sep. 2, 1986
4575930 Nuclear reactor fuel assembly peripheral rod lifting device Mar. 18, 1986
4539174 Fuel pin transfer tool Sep. 3, 1985
4511531 Transfer of nuclear reactor component assemblies Apr. 16, 1985
4489037 Apparatus for automatically adjusting channel box fitting position relative to nuclear fuel assembly Dec. 18, 1984
4487741 Transfer of fuel assemblies Dec. 11, 1984

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