Apparatus and method for storing spent fuel assemblies

Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources

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250430, G21F 500

Patent

active

044278934

ABSTRACT:
Apparatus for storing spent fuel assemblies of a nuclear reactor including a fuel-assembly transport cask having a hollow chamber for receiving therein at least one fuel assembly and having a cover for gas-tightly closing off an opening to the hollow chamber, including means for supplying a trace gas into the hollow chamber, an additional cover defining a leakage detection chamber covering the cross-section of the opening to the hollow chamber, and a measuring device for the trace gas connected to the leakage detection chamber for monitoring gas-tightness of the closure of the opening to the hollow chamber, and method for using the apparatus.

REFERENCES:
patent: 3824839 (1974-07-01), Briggs
patent: 3982134 (1976-09-01), Housholder et al.
patent: 4197467 (1980-04-01), Williams
patent: 4274007 (1981-06-01), Baatz et al.

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