Miniature sludge lance apparatus
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United States of America Patent
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Aug 12, 2014
Grant Date -
Aug 4, 2011
app pub date -
Apr 1, 2011
filing date -
Nov 3, 2009
priority date (Note) -
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Abstract
A miniature sludge lance for a steam generator in a pressurized water nuclear reactor is provided. The sludge lance is structured to enter the steam generator via an inspection opening and has a body sufficiently thin to fit between adjacent tubes. The sludge lance rail has at least two types of nozzle assemblies that may be attached thereto. One nozzle assembly rotates and another nozzle assembly translates in a vertical direction. A drive assembly, a mounting assembly, an oscillation assembly, and flow straighteners are also provided.
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