Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly
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United States of America Patent
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Mar 2, 2010
Issued Date -
N/A
app pub date -
Dec 22, 2006
filing date -
Dec 22, 2006
priority date (Note) -
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Abstract
Control rod guide tubes for a nuclear reactor having a body with an axial length that defines a lower end portion and an upper end portion and a cavity within a substantial length of the body. Orifices are included at the upper and lower end portions of the body. A control rod chamber is located within the cavity and is configured for receiving a control rod. A plurality of ports is coupled to the cavity and is positioned at a substantial length from the upper end portion of the body. Also included are at least two flow channels within the cavity that extend a substantial portion of the axial length of the body. Each flow channel is fluidly coupled to one or more of the ports for receiving fluid flow from outside the body and an outlet proximate to the upper end portion of the body for providing the received fluid flow.
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