Neutron shielding panels for reactor pressure vessels

Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Shield or barrier between radiation or heat source and...

Reexamination Certificate

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C376S458000

Reexamination Certificate

active

08064564

ABSTRACT:
In a nuclear reactor neutron panels varying in thickness in the circumferential direction are disposed at spaced circumferential locations around the reactor core so that the greatest radial thickness is at the point of highest fluence with lesser thicknesses at adjacent locations where the fluence level is lower. The neutron panels are disposed between the core barrel and the interior of the reactor vessel to maintain radiation exposure to the vessel within acceptable limits.

REFERENCES:
patent: 3868302 (1975-02-01), Singleton
patent: 4731220 (1988-03-01), Kim, Jr.
patent: 4743423 (1988-05-01), Turner et al.
patent: 4941159 (1990-07-01), Schwirian et al.
patent: 5436945 (1995-07-01), Weisel et al.
patent: 5699394 (1997-12-01), Schreiber et al.
patent: 2004/0020678 (2004-02-01), Gerving

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