Patent ID: 7191665
Filing Date: 2007-03-20
Classification: F01D,F05D

Abstract:
1. A support for a reflective target to be mounted on the outside of a casing of a turbine, the support useful in turbine casing bending measurements, comprising: a tube comprising a material with a thermal expansion coefficient (CTE) of about zero in the operating temperature range of turbine casing, the tube having a first end, a second end, and a middle; a holder arranged around the first end of the tube, the holder comprising a first end and means for fixing the holder to the turbine casing; a metal rod arranged in the middle of the tube, the metal rod having a first end fixed to the first end of the holder, and having a second end; an insert having an aperture and arranged within the second end of the tube, the metal rod passing through the aperture of the insert; and means for fixing and tensioning of the metal rod on the second end of the metal rod within the insert.