Induced nuclear reactions: processes – systems – and elements – Seal arrangements – Between pressure vessel cover and vessel or portion thereof
Patent
1985-02-20
1987-05-19
Bentley, Stephen C.
Induced nuclear reactions: processes, systems, and elements
Seal arrangements
Between pressure vessel cover and vessel or portion thereof
376290, 376404, 376461, G21C 1300
Patent
active
046666524
ABSTRACT:
A fast neutron nuclear reactor, in which the main vessel and the slab for sealing said vessel are separately suspended on the upper part of the vessel shaft. An outer ferrule of the slab is directly anchored in the vessel shaft by tie rods and is supported by an annular ring embedded in the concrete. The upper edge of the main vessel is welded beneath the ring, the vessel being supported by a second annular ring embedded in the concrete. The upper faces of the slab and the vessel shaft are consequently at the same level, thereby reducing the heights of the vessel shaft and the safety vessel.
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patent: 3953289 (1976-04-01), Costes
patent: 3995918 (1976-12-01), Mahe et al.
patent: 4022657 (1977-05-01), Lemercier
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patent: 4055464 (1977-10-01), Lemercier
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patent: 4464334 (1984-07-01), Artaud et al.
Atomkernenergie, vol. 30, No. 4, 1977, F. R. Mynatt, "Shielding Methods Development in the United States", pp. 238-243.
Bentley Stephen C.
Commissariat a l''Energie Atomique
Maples John S.
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