Debris shield upper tie plate for nuclear fuel assembly and method to shield assembly from debris
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United States of America Patent
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Apr 11, 2017
Grant Date -
Mar 5, 2009
app pub date -
Aug 31, 2007
filing date -
Aug 31, 2007
priority date (Note) -
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Abstract
A nuclear reactor fuel bundle assembly including: a fuel bundle including an array of fuel rods and water rods mounted in an upper tie plate and housed in walls of a channel, and a pore type debris shield mounted at least partially in the channel, above or below the upper tie plate, the shield extending to or over the walls of the channel, whereby deflecting and/or capturing falling debris from entering the fuel assembly, wherein the shield is design to be durable, yet flexible, and porous.
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