Ex-vessel nuclear fuel transfer system

Details Ex-vessel nuclear fuel transfer system Ex-vessel nuclear fuel transfer system

1976-02-23

1978-01-17

Bentley, Stephen C.

176 30, 214 18N, G21C 1922, G21C 1920, B66C 1708

Patent

active

040690989

ABSTRACT:
A system for transferring fuel assemblies between a fuel transfer area and a fuel storage area while the fuel assemblies remain completely submerged in a continuous body of coolant. A fuel transfer area filled with reactor coolant communicating with the reactor vessel below the reactor coolant level, provides a transfer area for fuel assemblies in transit to and from the reactor vessel. A positioning mechanism comprising at least one rotatable plug disposed on a fuel transfer tank located outside the reactor vessel cooperates with either the fuel transfer area or the fuel storage area to position a fuel assembly in transit. When in position, a transporting mechanism cooperating with the positioning mechanism lifts or lowers a chosen fuel assembly. The transporting mechanism together with the positioning mechanism are capable of transferring a fuel assembly between the fuel transfer area and the fuel storage area.

REFERENCES:
patent: B373344 (1976-02-01), Katz
patent: 3293136 (1966-12-01), Harris
patent: 3354040 (1967-11-01), Frame
patent: 3862001 (1975-01-01), Marmonier
patent: 3952885 (1976-04-01), Schabert

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