1976-07-19
1979-04-03
Engle, Samuel W.
176 30, G21C 708
Patent
active
041475895
ABSTRACT:
A control rod assembly for a nuclear reactor is disclosed having a remotely disengageable coupling between the control rod and the control rod drive shaft. The coupling is actuated by first lowering then raising the drive shaft. The described motion causes axial repositioning of a pin in a grooved rotatable cylinder, each being attached to different parts of the drive shaft which are axially movable relative to each other. In one embodiment, the relative axial motion of the parts of the drive shaft is used either to couple or to uncouple the connection by forcing resilient members attached to the drive shaft into or out of shouldered engagement, respectively, with an indentation formed in the control rod.
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Roman Walter G.
Sutton, Jr. Harry G.
Cangialosi S. A.
Dermer Z. L.
Engle Samuel W.
Levine Edward L.
Westinghouse Electric Corp.
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