Debris-resistant fuel assembly

Details Debris-resistant fuel assembly Debris-resistant fuel assembly

1987-11-24

1989-07-18

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376440, 376442, G21C 334

Patent

active

048491616

ABSTRACT:
A fuel assembly for nuclear reactors which comprises the usual upper and lower tie plates and fuel rods extending between them is made debris-resistant by providing a grid spacer in contact, or very nearly so, with the lower tie plate and so positioned as to subdivide the usual openings in the lower tie plate which are provided for the passage of cooling water. This causes debris to be trapped in the openings of the lower tie plate, and keeps it from contacting the fueled portion of the assembly.

REFERENCES:
patent: 4309251 (1982-01-01), Anthony et al.
patent: 4391771 (1983-07-01), Anthony
patent: 4726926 (1988-02-01), Patterson
patent: 4756878 (1988-07-01), King
patent: 4781884 (1988-11-01), Anthony

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