Spacer grid for a nuclear fuel assembly

Details Spacer grid for a nuclear fuel assembly Spacer grid for a nuclear fuel assembly

1987-02-24

1988-10-04

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376439, G21C 334

Patent

active

047755091

ABSTRACT:
A grid for use in a PWR assembly includes a peripheral girdle and at least two sets of parallel plates. The plates of one set are at an angle with respect to those of the other set so that the sets defined cells for the fuel rods. The parallel plates are distributed in at least two beds spaced apart in the longitudinal direction of the assembly. In a fuel assembly having a triangular array of fuel rods, three successive beds of mutually parallel plates are provided.

REFERENCES:
patent: 3068163 (1962-12-01), Currier
patent: 3399719 (1968-09-01), Forrest
patent: 3463703 (1969-08-01), Crandall
patent: 3764471 (1973-10-01), Ripley
patent: 4021300 (1977-05-01), Marshall
patent: 4210202 (1980-07-01), Boger
patent: 4297170 (1981-10-01), Leclercq
patent: 4312706 (1982-01-01), Snyder
patent: 4389369 (1983-06-01), Bryan
patent: 4411862 (1983-10-01), Leclercq

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