Nuclear fuel rod grid spring and dimple structures having chamfe

Details Nuclear fuel rod grid spring and dimple structures having chamfe Nuclear fuel rod grid spring and dimple structures having chamfe

1989-02-21

1990-05-08

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376438, G21C 334

Patent

active

049236695

ABSTRACT:
A nuclear fuel assembly grid includes a multiplicity of dimple and spring structures for engaging fuel rods extending through the cells of the grid. Each of the dimple and spring structures have a pair of outer portions and a middle portion with opposite lengthwise edges thereon. The edges of the middle portions of the dimple structures and the outer and middle portions of the spring structures have one-sided chamfers defined thereon, whereas the edges of the outer portions of the dimple structures have double-sided chamfers defined thereon. The one-sided chamfers are longer than the double-sided chamfers.

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