Compactable control element assembly for a nuclear reactor

Details Compactable control element assembly for a nuclear reactor Compactable control element assembly for a nuclear reactor

1973-09-27

1976-05-25

Feinberg, Samuel

G21C 708

Patent

active

039590720

ABSTRACT:
A compactable control element assembly for a nuclear reactor in which the absorber pins of the assembly are compacted during downward movement of the pin and are returned to their uncompacted state when downward movement is stopped. The control element assembly comprises a support member longitudinally movable within a control assembly duct and a pluraity of absorber pins supported laterally outward of the support member and within the duct by pairs of support arms. The absorber pins are pivotably mounted to the support arms and the support arms in turn are supported from the support member for upward pivotable movement in a longitudinal plane. As the support member is moved downward, the support arms pivot upwardly and the absorber pins move upwardly and inwardly towards the support member. When the support member is stopped the absorber pins return to their uncompacted position.

REFERENCES:
patent: 2898281 (1959-08-01), Untermyer et al.
patent: 2935456 (1960-05-01), Huston
patent: 3595748 (1968-01-01), Risch et al.

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