1977-11-04
1980-08-26
Engle, Samuel W.
176 36W, G21C 714
Patent
active
042193842
ABSTRACT:
A driving apparatus for raising and lowering an absorber rod within a nuclear reactor pressure vessel. The apparatus comprises a driving system which includes a motor-driven flexible support member that is connected to the absorber rod through both a coupling element and a connecting element, and a storage means for storing any excess length of flexible support member. Both the driving system and the storage means are detachably enclosed within a desired gaseous environment that is isolated from the interior of the pressure vessel by a screening plug having a passageway therein through which the connecting element is disposed for movement between an upper end position and a lower end position.
REFERENCES:
patent: 3197378 (1965-07-01), Fortescue
patent: 3733251 (1973-05-01), Gilbertson et al.
patent: 3785923 (1974-07-01), Bratoljic et al.
Cramer Heinz
Handel Hubert
Schefold Manfred
Schmitt Hermann
Schoening Josef
Cangialosi S. A.
Engle Samuel W.
Hochtemperatur-Reaktorbau GmbH
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