Fuel assembly for a pressurized-water nuclear reactor
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United States of America Patent
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-
Sep 9, 2008
Grant Date -
Jun 16, 2005
app pub date -
Dec 28, 2004
filing date -
Jun 29, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fuel element for a pressurized water reactor has fuel rods guided through a number of axially spaced spacers. The spacers form a square grid with mesh openings arranged in rows and columns. Support tubes that do not contain fuel pass through a number of the mesh holes and are joined to the meshes . The support tubes are spread out in positions within the grid with a predetermined number of support tubes and a distribution thereof within the grid, which is rotationally symmetric about 90.degree. with regard to a rotation about the central axis of the spacer, the central axis is perpendicular to the grid plane, the number of rows and columns that do not contain any support tubes is minimal. Optionally, remaining inner rows and columns that do not contain any support tubes are not situated next to one another.
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