Nuclear reactor, core vessel intercept construction

Details Nuclear reactor, core vessel intercept construction Nuclear reactor, core vessel intercept construction

1973-07-18

1976-02-17

Stahl, Robert F.

176 87, G21c 900

Patent

active

039390381

ABSTRACT:
A nuclear reactor includes a pressure vessel having a bottom wall above which a core vessel is suspended with its lower end spaced above this bottom wall. In case the core vessel accidentally falls, it is intercepted by a construction transmitting the force of the falling core vessel to the pressure vessel's bottom wall throughout a plurality of widely interspaced positions so that the bottom wall does not have to withstand the force in a localized concentrated manner. Preferably these positions are adjacent to the pressure vessel's side wall, and the intercept construction is made of ductile metal having upper portions reduced in cross-sectional area so that these upper portions are stressed beyond their elastic limit and deform in a ductile shock-absorbing manner if required to intercept the falling core vessel. Various other features of construction are included.

REFERENCES:
patent: 3140982 (1964-07-01), Haines et al.
patent: 3207670 (1965-09-01), Fortescue et al.
patent: 3378452 (1968-04-01), Costes
patent: 3702802 (1972-11-01), Jansen, Jr.
patent: 3719556 (1973-03-01), Snyder, Jr. et al.

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