Control bar and drive mechanism coupling device

Details Control bar and drive mechanism coupling device Control bar and drive mechanism coupling device

1986-01-28

1988-06-21

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

376234, 376239, G21C 706

Patent

active

047524340

ABSTRACT:
A coupling device between a nuclear reactor control rod and an actuating mechanism has a gripper body having resilient gripping fingers, belonging to the mechanism and, on the bar, a terminal pommel for engagement by the fingers and a shoulder directed towards the pommel. The coupling device comprises an additional member, such as a sleeve, movable with respect to the gripper body between a position in which it allows resilient fingers to be released from the pommel and another position in which it locks the resilient fingers onto the pommel. The sleeve has an end face bearing on the shoulder of the pommel. A prestressed spring exerts a force tending to move the sleeve away from the fingers so as to hold the end face of the sleeve firmly applied against the shoulder when the fingers are locked on the pommel.

REFERENCES:
patent: 4124442 (1978-11-01), Zhuchkov
patent: 4544521 (1985-10-01), Millot

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