Patent ID: 6942450
Filing Date: 2005-09-13
Classification: F01D,F05D

Abstract:
1. A turbine vane, comprising: a generally elongated hollow vane formed from an outer wall, the vane having a leading edge, a trailing edge, a first end, a second end opposite the first end for sealing the turbine vane to a rotatable disc, and at least one cavity forming a cooling system in the vane; at least one impingement insert in the at least one cavity forming an inner cooling cavity and an outer cooling cavity, whereby the at least one impingement insert includes at least one impingement orifice providing a gas pathway between the inner cooling cavity and the outer cooling cavity; at least one first pressure sensor for measuring pressure in the inner cooling cavity; and at least one second pressure sensor for measuring pressure between the impingement insert and the outer wall of the turbine vane.