1974-10-15
1976-06-22
Engle, Samuel W.
176 30, 176 37, 176 78, 176 80, G21C 1704
Patent
active
039649644
ABSTRACT:
A passive fission product gas trap is provided in the upper portion of each fuel subassembly in a nuclear reactor. The gas trap consists of an inverted funnel of less diameter than the subassembly having a valve at the apex thereof. An actuating rod extends upwardly from the valve through the subassembly to a point where it can be contacted by the fuel handling mechanism for the reactor. Interrogation of the subassembly for the presence of fission products is accomplished by lowering the fuel handling machine onto the subassembly to press down on the actuating rod and open the valve.
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AWL-7201 pp. 11-19.
Fryer Richard M.
Matlock Robert G.
Cangialosi S. A.
Carlson Dean E.
Churm Arthur A.
Engle Samuel W.
Jackson Frank H.
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