Jet Pump Slip Joint Modification for Vibration Reduction
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United States of America Patent
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Issued Date -
Mar 24, 2011
app pub date -
Sep 16, 2010
filing date -
Sep 18, 2009
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Abandoned
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Abstract
A method for retrofitting a boiling water reactor slip joint of a jet pump to reduce vibrations is provided. The method includes removing a mixing chamber from an existing slip joint defined by a diffuser and the mixing chamber, the existing slip joint defining an existing annular gap, and providing a new slip joint defining a new annular gap, the new annular gap being reshaped to permit reduced vibration. A jet pump and a method of operating a jet pump are also provided.
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