<p>A fuel assembly (10) for a nuclear reactor that employs dissimilar materials for the fuel assembly grid (20) and the control rod guide thimbles (18). The guide thimbles (18) are secured to the grid (20) employing a through grid cell sleeve (56) that is welded to the grid (20) and spot weld rings (64) that are secured over the sleeve (56) and welded directly to the guide tube through windows in the sleeve (56).
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申请公布号
EP2081194(A3)
申请公布日期
2011.06.29
申请号
EP20090000025
申请日期
2009.01.03
申请人
WESTINGHOUSE ELECTRIC COMPANY LLC
发明人
EVANS, PAUL MARCUS;PEARCE, HARRY A.;MARZEAN, MICHAEL A.;BOATWRIGHT, DAVID A.