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U.S. Department of Energy
Office of Scientific and Technical Information

NUCLEAR REACTORS

Patent ·
OSTI ID:4282016

A graphite moderator structure is described for a gas-cooled nuclear reactor having a vertical orlentation wherein the structure is physically stable with regard to dlmensional changes due to Wigner growth properties of the graphite, and leakage of coolant gas along spaces in the structure is reduced. The structure is comprised of stacks of unlform right prismatic graphite blocks positioned in layers extending in the direction of the lengths of the blocks, the adjacent end faces of the blocks being separated by pairs of tiles. The blocks and tiles have central bores which are in alignment when assembled and are provided with cooperatlng keys and keyways for physical stability.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-13-008437
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2864759
OSTI ID:
4282016
Country of Publication:
United States
Language:
English