Boiling water reactor fuel rod assembly with fuel rod spacer arr

Details Boiling water reactor fuel rod assembly with fuel rod spacer arr Boiling water reactor fuel rod assembly with fuel rod spacer arr

1991-08-19

1993-11-02

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376462, 376442, 376443, G21C 334

Patent

active

052590097

ABSTRACT:
A boiling water reactor fuel rod assembly is provided having a plurality of fuel rod spacers which are slidably receivable within an outer channel. Each of the rod spacers is formed of at least one lattice which defines a plurality of fuel rod retaining cells. The lattice is constructed of a plurality of pairs of oppositely facing springy support strips, with each support strip having a plurality of spring-loaded indentations. In an unloaded condition, oppositely facing indentations of each pair of strips, which define each cell, are displaced closer to one another. In a loaded condition, the oppositely facing cell indentations are forced away from each other by the fuel rods so that the springloaded indentations support and retain the fuel rods.

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