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CONTROL ROD POSITION INDICATOR

United States Patent Application

20170032855
A1
View the Complete Application at the US Patent & Trademark Office
A rod position indication system includes a drive rod operably coupled to a control rod that is configured to be both withdrawn from and inserted into a reactor core. A number of sensing devices are arranged along a path of the drive rod, and an end of the drive rod passes by or through one or more of the sensing devices in response to movement of the control rod relative to the reactor core. The sensing devices are arranged into a plurality of groups, and each group includes two or more of the sensing devices electrically coupled together. The rod position indication system further includes a control rod monitoring device electrically coupled to each group of sensing devices by a routing wire.
BUTCHART, Paul (Corvallis, OR)
NuScale Power, LLC (Corvalliss OR)
14/ 814,904
July 31, 2015
GOVERNMENT INTEREST [0001] This invention was made with Government support under Contract No. DE-NE0000633 awarded by the Department of Energy. The Government has certain rights in this invention.