Spacer-grid for a fuel assembly of a light water nuclear reactor

Details Spacer-grid for a fuel assembly of a light water nuclear reactor Spacer-grid for a fuel assembly of a light water nuclear reactor

1988-06-09

1990-06-12

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376438, 376439, 376443, G21C 334

Patent

active

049331388

ABSTRACT:
The spacer-grid comprises at least one single-piece plate (1) through which extend a group of openings (2) at least a part of which constitutes an even network of passages (2) for the fuel rods and the guide tubes of the fuel assembly. The spacer-grid may be formed by one single-piece plate (1) of great thickness or by the association of a plurality of parallel single-piece plates interconnected by an outer girdle element.

REFERENCES:
patent: 3806410 (1974-04-01), Ripley
patent: 4306937 (1981-12-01), Hensolt
patent: 4312706 (1982-01-01), Snyder
patent: 4765949 (1988-08-01), Denizou

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