Spring retention cap
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United States of America Patent
Stats
-
Dec 20, 1988
Grant Date -
N/A
app pub date -
Aug 24, 1987
filing date -
Aug 24, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An upper end fitting 14 of a nuclear fuel assembly is provided at two of its opposite corners with spring retention caps 12 having a hook-like structrue defined by an inwardly directed flange 50 engaging a slot 56 in the top nozzle or end fitting 14. The spring packs 20 are retained within the spring retention caps 12 even if one or both spring retention screws 34 break and both the broken screw portions and the springs are maintained in operative position by the cap 12 until reconstitution.
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