Fuel subassembly leak test chamber for a nuclear reactor

Details Fuel subassembly leak test chamber for a nuclear reactor Fuel subassembly leak test chamber for a nuclear reactor

1976-09-30

1978-04-04

Engle, Samuel W.

176 30, G21C 1700

Patent

active

040826074

ABSTRACT:
A container with a valve at one end is inserted into a nuclear reactor coolant pool. Once in the pool, the valve is opened by a mechanical linkage. An individual fuel subassembly is lifted into the container by a gripper; the valve is then closed providing an isolated chamber for the subassembly. A vacuum is drawn on the chamber to encourage gaseous fission product leakage through any defects in the cladding of the fuel rods comprising the subassembly; this leakage may be detected by instrumentation, and the need for replacement of the assembly ascertained.

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patent: 3142625 (1964-07-01), Wellborn
patent: 3419467 (1968-12-01), Holzer et al.
patent: 3801441 (1974-04-01), Jones
patent: 3855058 (1974-12-01), Groos et al.
patent: 3915792 (1975-10-01), Aubert et al.
patent: 3947318 (1976-03-01), Zhuchkov et al.
patent: 3983741 (1976-10-01), Honig et al.
patent: 3998426 (1976-12-01), Isbester
patent: 4016749 (1977-04-01), Wachter
Fast Reactor Technology: Plant Design, Milit. Press, Yevick et al. (1966), pp. 347-348.

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