CONTROL ROD DRIVE (CRD) TUBES, METHOD OF MANUFACTURE, AND INSTALLATION THEREOF
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United States of America Patent
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N/A
Issued Date -
Nov 7, 2013
app pub date -
Apr 17, 2013
filing date -
May 1, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A control rod drive (CRD) tube, its manufacture, and installation in a pressurized water reactor (PWR) is disclosed. The control rod drive tube includes a tube body adapted to penetrate an aperture in the RPV head and an offset flange formed around a circumference of the tube body at a predetermined location along its length. The offset flange increases circumferentially from a first point along the circumference of the tube body to a second point along the circumference of the tube body.
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