G - Physics – 21 – C
Patent
G - Physics
21
C
G21C 17/108 (2006.01) G21C 19/32 (2006.01)
Patent
CA 2595106
A flux detector removal tool for safely removing failed flux detectors from a CANDU.TM. type nuclear reactor. A housing operating under vacuum is provided. Within the housing there is a pair of cutting blades, a slideable gripper, and a pivot means for downwardly rotating the gripper. The gripper grasps and pulls a failed detector element within the housing and the element is cut. The pivot means rotates the gripper downward towards a withdrawal well. The gripper then releases the cut piece of detector into the withdrawal well, which is then transported under vacuum to a shielded flask.
Outil pour retirer des détecteurs de flux défectueux d'un réacteur nucléaire de type CANDU (MC). Un boîtier sous vide contient une paire de lames coupantes, un dispositif de préhension coulissant et un pivot qui fait tourner le dispositif de préhension vers le bas. Le dispositif de préhension agrippe et tire l'élément défectueux du détecteur jusque dans le boîtier, et l'élément est retranché. Le pivot provoque la rotation du dispositif de préhension vers le bas en direction d'un passage de rejet. Le dispositif de préhension libère ensuite l'élément retranché dans le passage de rejet. L'élément est ensuite transporté sous vide vers un château blindé.
Ontario Power Generation Inc.
Ridout & Maybee Llp
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