Nuclear reactor, with control and shutdown rods external to the core and core supporting structures
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United States of America Patent
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Aug 24, 2021
Grant Date -
Oct 15, 2020
app pub date -
May 4, 2017
filing date -
May 4, 2016
priority date (Note) -
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Abstract
The invention concerns a nuclear reactor comprising a vessel closed at the top by a radially external fixed closing structure and by a radially internal mobile closing structure. The vessel contains a core immersed in a primary cooling fluid and comprising fuel elements, control rods, shutdown rods, and a hydraulic separation structure delimiting a hot manifold and a cold manifold in which the primary fluid circulates. The control rods and the shutdown rods are inserted in respective penetrations of the fixed closing structure and are therefore located radially external to the mobile closing structure and external to an upper portion of the separation structure containing respective heads of the fuel elements.
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