Removable auxiliary lid for handling the fuel elements of a nucl

Details Removable auxiliary lid for handling the fuel elements of a nucl Removable auxiliary lid for handling the fuel elements of a nucl

1974-11-08

1976-11-09

Feinberg, Samuel

176 30, 176 37, G21C 1910

Patent

active

039909425

ABSTRACT:
The auxiliary lid permits temporary closure of the reactor core shroud during charge/discharge operations after removal of the closure head of a pressurized water or boiling water reactor. The auxiliary lid has an outer closure plug mounted for rotational motion on the top edge of the reactor core shroud. An inner closure plug which carries a vertical guide channel is rotatably mounted on the outer closure plug in eccentric relation thereto so as to place the guide channel above each fuel element as a result of displacement of both closure plugs in rotational motion.

REFERENCES:
patent: 3140792 (1964-07-01), Harris
patent: 3322637 (1967-05-01), Middleton et al.
patent: 3841964 (1974-10-01), Dumayne

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