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AbstractAbstract
[en] The invention relates to a control-rod actuating mechanism for nuclear reactors, designed for handling a transfer rod to which is fastened a control-rod. The mechanism compises magnetically actuated hooks for moving a transfer-rod, and a electrically actuated means for locking said hook at its locking position on the transfer-rod, said electrically actuated means being maintained in its position whenever the electric current feeding same is cut-off. This can be applied to nuclear reactors for keeping the control-rods out of the core whenever the reactor-vessel is opened
[fr]
L'invention concerne un mecanisme de commande de barre de controle de reacteur nucleaire, prevu pour manoeuvrer une tige de translation a laquelle est attachee une barre de commande. Le mecanisme comprend des grappins a actionnement magnetique destines a mouvoir une tige et un moyen a actionnement electrique pour verrouiller le grappin en position d'accrochage sur la tige, le moyen etant retenu dans sa position momentanee lors d'une coupure de son alimentation en energie electrique. Ceci est applicable aux reacteurs nucleaires pour maintenir les barres de controle hors du noyau quand on ouvre la cuve de reacteurOriginal Title
Mecanisme de commande de barre de controle destine a un reacteur nucleaire
Primary Subject
Source
17 Jan 1975; 15 p; FR PATENT DOCUMENT 2273347/A/; Available from Institut National de la Propriete Industrielle, Paris (France); priority claim: 18 Jan 1974, US.
Record Type
Patent
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