JPH0545196B

The debris trap (42) comprises grid structure (44) which is supported from the lowermost fuel-rod support grid (16A) of the fuel assembly in general alignment with the lower end plugs (30) of the fuel rods (18), and which defines cells having debris-catching structure disposed therein. Each fuel rod...

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Bibliographische Detailangaben
Hauptverfasser: HARII MATSUKUSU FUERAARI, JON FURANSHISU UIRUSON
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The debris trap (42) comprises grid structure (44) which is supported from the lowermost fuel-rod support grid (16A) of the fuel assembly in general alignment with the lower end plugs (30) of the fuel rods (18), and which defines cells having debris-catching structure disposed therein. Each fuel rod has its lower end plug (30) received in one of said cells where the end plug forms part of the debris-catching structure, the latter also including protuberances, such as dimples, projecting from the cell walls.