Apparatus for loading fuel rods into grids of nuclear fuel assem

Details Apparatus for loading fuel rods into grids of nuclear fuel assem Apparatus for loading fuel rods into grids of nuclear fuel assem

1987-05-06

1989-01-24

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

29723, G21C 2100

Patent

active

048000612

ABSTRACT:
The invention relates to apparatus and a method for facilitating a scratchless insertion of a fuel rod into cellular grids of a nuclear fuel assembly.
The apparatus comprises a thin-walled tubular member having an inner diameter substantially corresponding to the outer diameter of a fuel rod, and having a longitudinal slit formed in its wall so as to render the latter resiliently deflectable in a diameter-reducing sense. The method comprises the steps of mounting the thin-walled tubular member in position for protectively enveloping the fuel rod during insertion thereof; inserting the fuel rod into the grids while the tubular member is in place to envelope it; and withdrawing the tubular member from the inserted fuel rod.

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