Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within... – Refueling machines
Patent
1984-12-28
1987-05-05
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
Refueling machines
294906, G21C 1920, G21C 1910
Patent
active
046631143
ABSTRACT:
The invention relates to an apparatus for handling nuclear fuel assemblies, as well as to an assembly for use with such an apparatus.
The apparatus comprises a vertically axed guide tube in which is displaced a grapnel, suspended on a flexible connection such as a chain, under the action of a reduction gear. As the grapnel is immobilized in rotation in the guide tube, an assembly is gripped by means of a bayonet system by controlling the rotation of the guide tube-grapnel assembly by a reduction gear. The apparatus can in particular be suspended on the small and/or large rotary plug of a fast neutron nuclear reactor. It can also be used in a handling hod under gas.
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"Retrieval of Damaged Subassembly from Experimental Breeder Reactor II Primary Tank", Nuc. Tech., 1/81, King et al, pp. 32-42.
Cransac Jean-Pierre
Jacquelin Roland
Renaux Charley
Commissariat a l''Energie Atomique
Electricite De France Service National
Kyle Deborah L.
Wasil Dan
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