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Nuclear reactor downcomer flow deflector

United States Patent

7,889,830
February 15, 2011
View the Complete Patent at the US Patent & Trademark Office
A nuclear reactor having a coolant flow deflector secured to a reactor core barrel in line with a coolant inlet nozzle. The flow deflector redirects incoming coolant down an annulus between the core barrel and the reactor vessel. The deflector has a main body with a front side facing the fluid inlet nozzle and a rear side facing the core barrel. The rear side of the main body has at least one protrusion secured to the core barrel so that a gap exists between the rear side of the main body adjacent the protrusion and the core barrel. Preferably, the protrusion is a relief that circumscribes the rear side of the main body.
Gilmore; Charles B. (Greensburg, PA), Altman; David A. (Pittsburgh, PA), Singleton; Norman R. (Murrysville, PA)
Westinghouse Electric Company LLC (Cranberry Township, PA)
11/ 745,600
20080279326
May 8, 2007
GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-FC07-051D14636 awarded by the Department of Energy. The Government has certain rights in this invention.