Nuclear reactor

Details Nuclear reactor Nuclear reactor

1974-04-01

1976-09-07

Behrend, Harvey E.

176 36R, G21C 710

Patent

active

039792587

ABSTRACT:
In a nuclear reactor of the kind which is charged with spherical reaction elements and in which control rods are arranged to be thrust directly into the charge, each control rod has at least one screw thread on its external surface so that as the rod is thrust into the charge it is caused to rotate and thus make penetration easier. The length of each control rod may have two distinct portions, a latter portion which carries a screw thread and a lead-in portion which is shorter than the latter portion and which may carry a thread of greater pitch than that on the latter portion or may have a number of axially extending ribs instead of a thread.

REFERENCES:
patent: 2975119 (1961-03-01), Emmons
patent: 3050943 (1962-08-01), Thorel et al.
patent: 3519536 (1970-07-01), Rausch
patent: 3751336 (1973-08-01), Angelini et al.

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