Apparatus for assembling nuclear fuel assembly

Details Apparatus for assembling nuclear fuel assembly Apparatus for assembling nuclear fuel assembly

1992-10-22

1994-06-21

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

376269, G21C 1900

Patent

active

053234324

ABSTRACT:
The present invention presents an apparatus to facilitate the loading of specific fuel rods into the specific grid cells of the grids of a fuel assembly. The loading apparatus utilizes air-pressure operated loading cylinders to push out the specific fuel rods from a fuel rod magazine into the corresponding grid cells. The loading apparatus operates in conjunction with a series of fuel rod support rollers which provide support to the fuel rods, being charged into the grids, from the underside of the fuel rods to prevent sagging of the tip end, thus avoiding scraping against the straps of the grids when entering the grid cells, and causing potentially harmful surface scratches on the fuel rods.

REFERENCES:
patent: 4625396 (1986-12-01), Ahmed et al.
patent: 4800061 (1989-01-01), Shallenberger et al.
patent: 4842809 (1989-06-01), Attix et al.
Database WPIL, Derwent Publications Ltd., AN 87-260207 & JP-A-62 179 698, Aug. 6, 1987 Abstract Translated.
Patent Abstracts of Japan, vol. 15, No. 435 (P-1272), Nov. 6, 1991 & JP-A-3 181 894, Aug. 7, 1991 Translated.
Database WPIL, Derwent Publications Ltd., AN 88-327059 & JP-A-63 241 495, Oct. 6, 1988 Abstract Translated.

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