Control arrangement for use with nuclear fuel
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United States of America Patent
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Issued Date -
Aug 10, 2006
app pub date -
Feb 10, 2005
filing date -
Feb 10, 2005
priority date (Note) -
Abandoned
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Abstract
A control arrangement for use with nuclear fuel is configured as a control rod (32) for insertion into a guide tube (24) of a nuclear fuel assembly (20). The control rod (32) includes a housing (34) and solid ellipsoidal elements (44) of neutron absorber material loaded into a leading end (36) of the housing (34). The solid ellipsoidal elements (44) are generally solid spheres formed from a metal-based material. Alternatively, the housing of the control arrangement is the guide tube (24), and the solid ellipsoidal elements (44) are loaded into the guide tube (24) in preparation for spent fuel storage of the nuclear fuel assembly.
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