Apparatus for visually inspecting and removing foreign substance from gap of heat tube bundle in upper part of tube sheet of second side of steam generator
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United States of America Patent
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Apr 16, 2013
Grant Date -
Jan 21, 2010
app pub date -
Jul 18, 2008
filing date -
Jul 18, 2008
priority date (Note) -
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Abstract
An apparatus that visually inspects a state of sludge and foreign substances found between steam generator bundles positioned at an upper portion of a tube sheet of a steam generator of a nuclear power plant using a visual inspector mounted in a robot moving on an inner wall surface of the steam generator for removing the foreign substances.
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