Patent
1975-04-10
1976-12-14
Engle, Samuel W.
176 30, 176 87, G21C 900, G21C 1920
Patent
active
039973930
ABSTRACT:
A device for protecting the dome of a nuclear reactor containment vessel against the upward displacement of the concrete shield slab of said reactor and the resultant effects of tilting of an equipment unit mounted on the shield slab at the periphery of said slab, wherein said device comprises:
--means for separating the equipment unit into two sections consisting of an upper section and a lower section, said lower section being rigidly fixed to said shield slab and said means being actuated by the upward displacement of said slab,
--a system for vertical rectilinear guiding of said upper section within the containment vessel,
--rigid mechanical components which provide a coupling between the aforesaid upper and lower sections of the equipment unit and exert on said upper section under the action of the tilting motion of said lower section a thrust which causes the upward displacement of said upper section.
REFERENCES:
patent: 3073771 (1963-01-01), Moulin
patent: 3089836 (1963-07-01), Wootton
patent: 3165212 (1965-01-01), Gerarb
patent: 3173844 (1965-03-01), Jones
patent: 3445971 (1969-05-01), Desmarchais et al.
patent: 3563855 (1971-02-01), Marko
patent: 3597317 (1971-08-01), Isaac
patent: 3773376 (1973-11-01), Orange
Allain Albert
Filloleau Etienne
Mulot Pierre
Cangialosi S. A.
Commissariat a l''Energie Atomique
Engle Samuel W.
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