Control rod and a control rod blade for a boiling water reactor
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United States of America Patent
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Jan 13, 2009
Grant Date -
Jun 7, 2007
app pub date -
Oct 13, 2004
filing date -
Oct 14, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a control rod blade for a boiling water reactor. The control rod blade comprises a plurality of channels, which are arranged to receive an absorber material, a free edge portion with a recess, which comprises outlets for said channels, and a cover element , which is arranged to be attached by means of at least one welding operation such that it seals at least a part of said recess . Furthermore, the control rod blade comprises a profile element , which, before said welding operation of the cover element is performed, is arranged to be applied against a bottom surface in the recess in a position such that the profile element covers the outlets of said channels.
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