Water-cooled nuclear reactor with passive emergency shutdown and

Details Water-cooled nuclear reactor with passive emergency shutdown and Water-cooled nuclear reactor with passive emergency shutdown and

1977-04-13

1981-06-23

Bentley, Stephen C.

176 38, 176 77, 176 83, G21C 330, G21C 1920

Patent

active

042749204

ABSTRACT:
A water-cooled nuclear reactor is provided with a passive emergency shutdown and core cooling capability by providing it with emergency fuel element dispersal means operable from internal energy contained within the reactor pressure vessel for dispersing the core fuel content into an adjacent heat sink. In a preferred embodiment, the reactor is provided with especially designed fuel elements and fuel element guides to permit passive emergency core dispersal. The reactor shutdown mechanism also facilitates reactor refueling and permits selective on-line refueling during normal reactor operation.

REFERENCES:
patent: 2890158 (1959-06-01), Ohlinger
patent: 2938791 (1960-05-01), Blainey
patent: 2941933 (1960-06-01), Roake
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patent: 2990349 (1961-06-01), Roman
patent: 3228850 (1966-01-01), Fellows
patent: 3244597 (1966-04-01), Tower
patent: 3567580 (1971-03-01), Nakagawa
patent: 3873420 (1975-03-01), Statham
patent: 3928132 (1975-12-01), Bujas
patent: 4028179 (1977-06-01), Colgate
patent: 4045284 (1977-08-01), Rosewell

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