Induced nuclear reactions: processes – systems – and elements – Fission reactor material treatment – Impurity removal
Patent
1994-11-03
1996-05-21
Walsh, Donald P.
Induced nuclear reactions: processes, systems, and elements
Fission reactor material treatment
Impurity removal
376310, 376438, 376440, 376352, 376317, G21C 1942
Patent
active
055197450
ABSTRACT:
The lower tie plate grid includes cylindrical bosses and webs interconnecting the bosses for supporting nuclear fuel rods and defining flow openings through the grid. Coolant flows through the flow openings for flow upwardly about the fuel rods. The grid includes upper and lower portions and a screen is disposed between the upper and lower grid portions upon assembly with the bosses and webs of the respective upper and lower grid portions in registry with one another. The grid portions are welded to one another whereby the apertured screen serves to separate debris from the coolant flowing through the flow openings. The screen has openings in registry with the openings defined by the bosses for receiving the end plugs of the fuel rods.
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Matzner Bruce
Proebstle Richard A.
Chelliah Meena
General Electric Company
Walsh Donald P.
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