Swivel base for fuel assembly storage

Details Swivel base for fuel assembly storage Swivel base for fuel assembly storage

1977-02-02

1979-02-13

Nelson, Peter A.

Radiant energy

Radiation controlling means

Shielded receptacles for radioactive sources

176 87, G21F 500

Patent

active

041397789

ABSTRACT:
A nuclear fuel assembly storage rack having a swivel base consisting of a plurality of plates with a hard ball centered and captured between the plates. The bottom base plate is fixed to the bottom of the storage rack and the top base plate has pins for locating the bottom nozzle of the fuel assembly. Since the top of the fuel assembly is clamped in the storage rack, the swivel base allows the fuel assembly to seek a position that minimizes torsional and bending stresses in the fuel assembly.

REFERENCES:
patent: 3145636 (1964-08-01), Hall et al.
patent: 3229096 (1966-01-01), Bonilla et al.
patent: 3604934 (1971-09-01), Metillo et al.
patent: 3787699 (1974-01-01), Menachem et al.
patent: 3823065 (1974-07-01), Jones
patent: 3886368 (1975-05-01), Rollins et al.
patent: 4036686 (1977-07-01), Weilbacher et al.

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