Control rod housing support system with radiation shield rings
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United States of America Patent
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Oct 29, 1996
Grant Date -
N/A
app pub date -
Aug 4, 1994
filing date -
Aug 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A boiling water reactor control rod drive support system having radiation shields to protect persons working under the reactor vessel from radiation exposure and to limit the travel of a control rod in the event that a control rod housing is ruptured. The radiation shields include radiation shield rings for surrounding the control rod drive housing and radiation shield cups for surrounding the bottom portion of the control rod drive. The radiation shield rings can be used with support systems having radiation shield cups placed on rows of support bars or with existing support systems.
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