1974-06-04
1976-01-20
Behrend, Harvey E.
176 36S, 176 86R, G21C 712, G21C 716
Patent
active
039335810
ABSTRACT:
A means for rapidly shutting down or scramming a nuclear reactor, such as a liquid metal-cooled fast breeder reactor, and serves as a backup to the primary shutdown system. The control rod drive consists basically of an in-core assembly, a drive shaft and seal assembly, and a control drive mechanism. The control rod is driven into the core region of the reactor by gravity and hydraulic pressure forces supplied by the reactor coolant, thus assuring that common mode failures will not interfere with or prohibit scramming the reactor when necessary.
REFERENCES:
patent: 2994655 (1961-08-01), Taylor, Jr.
patent: 3728219 (1971-08-01), Mattern et al.
patent: 3733251 (1973-05-01), Gilbertson et al.
patent: 3746615 (1973-07-01), Rottger et al.
McKeehan Ernest R.
Schiro Donald J.
Shawver Bruce M.
Taft William E.
Behrend Harvey E.
Carlson Dean E.
Carnahan L. E.
Palo Ralph
Robertson F. A.
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