Shielding device

Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...

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Details

2505151, 376287, 376288, G21C 1100, G21F 300

Patent

active

046997520

ABSTRACT:
A shielding device is disclosed for use in shielding the under-vessel area from radiation emanating above the lower terminus of a control rod drive of a power generating nuclear reactor of the boiling water type. The device may be comprised of a plurality of individually mountable shell-like housings which are joined in mating contiguous relation to surround the lower terminus of a control rod drive. In the preferred embodiment, each such device is provided with an integrated access door which will allow access to and removal of any connectors and cables such as those of a position indicating probe.

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patent: 4360736 (1982-11-01), Weissenfluh
patent: 4432932 (1984-02-01), Jacobson
patent: 4530813 (1985-07-01), Jacobson
patent: 4574070 (1986-03-01), Blaushild et al.

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