Patent ID: 6305903
Filing Date: 2001-10-23
Classification: F01D,F05D

Abstract:
A cooled vane for a gas turbine or similar device including a vane blade comprising:a suction side wall and a pressure side wall that are connected with each other through a leading edge and a trailing edge and forming a cavity extending in a radial direction through which a cooling medium is capable of flowing;a vane section formed by sections of the suction side wall and the pressure side wall and adjoining the trailing edge;a plurality of cooling channels which start at the cavity and extend through the vane section and end at the trailing edge, the plurality of cooling channels including a first row of cooling channels adjacent the suction side wall and a second row of cooling channels adjacent the pressure side wall; andwherein the cooling channels of the first row are arranged laterally offset in the radial direction relative to the cooling channels of the second row, and wherein the cooling channels have a triangular or trapezoidal cross-section.