Safety device for a nuclear reactor and especially a fast reacto

Details Safety device for a nuclear reactor and especially a fast reacto Safety device for a nuclear reactor and especially a fast reacto

1974-11-07

1977-04-26

Bentley, Stephen C.

176 36C, G21C 900

Patent

active

040199541

ABSTRACT:
The safety device comprises an absorber element connected by a separable coupling to the lower end of a vertical operating stem. When released, the absorber element drops under gravity from a top position to a bottom position within an open-topped casing placed among wrappers containing fuel pin bundles. In the top position of the absorber element, the disconnectable coupling is placed at the top and partly within the interior of the casing while the absorber element extends within said casing into the peripheral blanket zone located externally of the central fuel zone.

REFERENCES:
patent: 2885893 (1959-05-01), Lane et al.
patent: 2994655 (1961-08-01), Taylor
patent: 3438856 (1969-04-01), Ripley
patent: 3445334 (1969-05-01), Humphries, Jr.
patent: 3448006 (1969-06-01), Fortescue et al.
patent: 3676296 (1972-07-01), Linning et al.
patent: 3733251 (1973-05-01), Gilbertson et al.
patent: 3773617 (1973-11-01), Marmonier et al.

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