Measuring system for measuring axial displacement of rotor components

摘要

A measuring system for measuring axial displacement of a tube (28) relative to an axially stationary component (38) in a rotating rotor assembly includes at least one displacement sensor (48) adapted to be located normal to a longitudinal axis of the tube; an insulated cable system (50, 56, 36) adapted for passage through the rotor assembly; a rotatable proximitor module assembly (78) located axially beyond the rotor assembly to which the cables are connected; and a telemetry system (112) operatively connected to the proximitor module assembly (78) for sampling signals from the proximitor module and forwarding data to a ground station.