Upper end piece for nuclear fuel assemblies
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United States of America Patent
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Aug 9, 1988
Grant Date -
N/A
app pub date -
Apr 9, 1985
filing date -
Apr 10, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nuclear fuel assembly for a spectral shift reactor has an upper end piece and a lower end piece secured to a structural element belonging to the upper end piece by guide tubes arranged for receiving a cluster of control elements. The upper end piece further comprises a support member arranged for receiving said cluster at the end of the fall thereof, means for guiding said support member. The support member is guided for movement parallel to the axis of the guide tubes. Springs are contained within the end piece and disposed between the structural member and the plate for braking the cluster at the end of the fall thereof.
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