Nuclear fuel assembly skeleton

Details Nuclear fuel assembly skeleton Nuclear fuel assembly skeleton

1991-12-23

1993-08-03

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

376353, G21C 706

Patent

active

052326551

ABSTRACT:
A nuclear fuel assembly comprises a skeleton that constitutes the structure of the assembly and that holds a bundle of fuel elements at nodes in a regular array. The skeleton comprises two end pieces interconnected by guide tubes. The connection between each guide tube and the lower end piece comprises a peg formed with a coolant flow hole having a top portion fixed in the guide tube and a projecting bottom portion, which has a downwardly facing shoulder for bearing on the lower end piece, which passes through a passage formed in the lower end piece, and which is divided into a plurality of resilient fingers each having an upwardly facing shoulder for catching on the lower end piece.

REFERENCES:
patent: 3855060 (1974-12-01), Dietrich et al.
patent: 4126767 (1978-11-01), Bevilacqua et al.
patent: 4617171 (1986-10-01), Feutrel
patent: 4684499 (1987-08-01), Gjertsen et al.
patent: 4714582 (1987-12-01), Denizou
patent: 4716004 (1987-12-01), Merkovsky et al.
patent: 4844859 (1989-07-01), Coussau

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