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Rotor component displacement measurement system

United States Patent

May 27, 2003
View the Complete Patent at the US Patent & Trademark Office
A measuring system for measuring axial displacement of a tube relative to an axially stationary component in a rotating rotor assembly includes at least one displacement sensor adapted to be located normal to a longitudinal axis of the tube; an insulated cable system adapted for passage through the rotor assembly; a rotatable proximitor module located axially beyond the rotor assembly to which the cables are connected; and a telemetry system operatively connected to the proximitor module for sampling signals from the proximitor module and forwarding data to a ground station.
Mercer; Gary D. (Simpsonville, SC), Li; Ming C. (Cincinnati, OH), Baum; Charles R. (West Chester, OH)
General Electric Company (Schenectady, NY)
09/ 511,552
February 23, 2000
This invention was made with Government support under Contract No. DE-FC21-95MC31176 awarded by the Department of Energy. The Government has certain rights in this invention.