THERMAL SLEEVE FOR A CONTROL ROD DRIVE MECHANISM AND ASSOCIATED REPLACING METHOD

THERMAL SLEEVE FOR A CONTROL ROD DRIVE MECHANISM AND ASSOCIATED REPLACING METHOD

The invention concerns a thermal sleeve (60) for a control rod drive mechanism of a nuclear reactor pressure vessel (10). The thermal sleeve (60) comprises : - a tube (62) comprising an upper end (68) and a lower end (70); and - a plurality of protrusions (64) fixed at the upper end (68) of the tube...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUTIN, Emmanuel, DARGAUD, Remi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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Beschreibung
Zusammenfassung:The invention concerns a thermal sleeve (60) for a control rod drive mechanism of a nuclear reactor pressure vessel (10). The thermal sleeve (60) comprises : - a tube (62) comprising an upper end (68) and a lower end (70); and - a plurality of protrusions (64) fixed at the upper end (68) of the tube (62), each protrusion (64) extending radially outward the tube (62), the protrusions (64) being different from the tube (62), the protrusions (64) being intermeshed to form a continuous collar (80) presenting an outer diameter greater than the outer diameter of the tube (62).