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U.S. Department of Energy
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Nuclear fuel spacer grid with improved outer straps

Patent ·
OSTI ID:5737661
A grid is described for the spacing of fuel rods in a nuclear reactor fuel assembly, comprising: a plurality of interleaved grid straps arranged in an egg-crate configuration defining cells therein for the separate enclosure of each of the fuel rods; and four outer straps attached together in a generally square-shaped array surrounding the heightwise edges of the grid straps. The outer straps each has a central portion and a top and a bottom resilient lengthwise border portion, with the heightwise edges of the grid straps attached to the central portions of their associated outer straps and with the border portions extending vertically beyond and projecting horizontally outwardly beyond their associated central portions of their common outer straps.
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA
Patent Number(s):
US 4585616
OSTI ID:
5737661
Country of Publication:
United States
Language:
English

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