Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements
Patent
1984-08-27
1986-12-23
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Plural fuel segments or elements
376449, 376353, G21C 330
Patent
active
046311688
ABSTRACT:
A nuclear reactor fuel assembly having an improved attaching structure for removably mounting the top nozzle on the upper ends of the control rod guide thimbles. The attaching structure includes an outer socket defined in the adapter plate of the top nozzle, an inner socket formed on the upper ends of the guide thimbles, and a removable locking tube that is inserted in the inner socket to maintain it in locking engagement with the outer socket. The outer socket is in the form of a complement of special shaped bores having an annular groove. The inner socket is in the form of a sleeve having its lower end attached to the upper end of the guide thimble and with its upper end provided with a circumferential bulge which seats in the annular groove. Three elongated slots are provided in the upper end of the sleeve to permit inward elastic collapse of the slotted portion so as to allow the larger bulge diameter to be inserted through the bore of the adapter plate and expansion into the annular groove.
REFERENCES:
patent: 3770583 (1973-11-01), Klumb et al.
patent: 3814667 (1974-06-01), Klumb et al.
patent: 3828868 (1974-08-01), Jabsen
patent: 3992259 (1976-11-01), Anthony et al.
patent: 4326921 (1982-04-01), Cadwell
patent: 4535523 (1985-08-01), Leclercq
Ferlan Stephen J.
Shallenberger John M.
Kyle Deborah L.
Wasil Dan
Westinghouse Electric Corp.
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