Patent ID: 7271894
Filing Date: 2007-09-18
Classification: F01D,F05D,G01N,Y02T

Abstract:
1. A system for in situ inspection of a surface of a hot gas component of a turbine comprising: a robot having an elongated inspection arm extending toward the surface of the hot gas component; and an inspection head carried adjacent an end of said inspection arm remote from controls for said robot, said inspection head manipulated by said inspection arm to locate said inspection head adjacent interior wall portions defining the hot gas component including by displacing the inspection head in a generally axial direction and generally radially toward a wall portion of the hot gas component being inspected; wherein said inspection head is configured with a UV system to excite and detect fluorescence from a taggant material disposed in a coating on the hot gas component; wherein the UV system includes an intensified camera having a built-in intensifier.