Fuel assembly for a nuclear reactor

Details Fuel assembly for a nuclear reactor Fuel assembly for a nuclear reactor

1984-10-24

1987-06-09

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376178, 376443, 376445, 376446, G21C 1500

Patent

active

046719261

ABSTRACT:
A fuel assembly for a boiling water reactor has a bundle of fuel rods consisting of a top tie plate and a bottom part which, together with a plurality of fuel rods, constitutes a rigid unit. The fuel rod bundle is surrounded by a fuel channel (1), to which there is attached a fixing member (2) cast in stainless steel. The fixing member (2) is attached to a vertical projection (3), extending from the top tie plate, by means of a bolt (4) which is loaded with a tensile force and a sleeve (10) which is loaded with a compressive force and which surrounds the bolt and is arranged in the fixing member, the coefficients of thermal expansion of the bolt and the sleeve being less than that of the fixing member.

REFERENCES:
patent: 3878042 (1975-04-01), Curulla
patent: 4119489 (1978-10-01), Itoh
patent: 4219386 (1980-08-01), Osborne
patent: 4304635 (1981-12-01), Lippert
patent: 4563328 (1986-01-01), Steinke

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