Spacer grid for a fuel unit in a nuclear reactor cooled by light water
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United States of America Patent
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Dec 23, 2008
Grant Date -
Oct 13, 2005
app pub date -
Mar 25, 2003
filing date -
Mar 29, 2002
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Abstract
A spacer grid for a fuel assembly in a light-water-cooled nuclear reactor, for providing the transverse retention of a bundle of fuel rods in mutually parallel arrangements, having an array of cells juxtaposed and placed in a regular lattice, each bounded and separated from neighboring cells by at least one peripheral wall which is open at two opposed ends, along the direction of an axis of the cell, so as to receive a fuel rod of cylindrical general shape passing along the cell along its axis parallel to the peripheral wall.
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