Patent ID: 6916150
Filing Date: 2005-07-12
Classification: F01D

Abstract:
1. A turbine blade, comprising: a generally elongated blade having a leading edge, a trailing edge, and a tip at a first end, a root coupled to the blade at an end generally opposite the first end for supporting the blade and for coupling the blade to a disc, at least one cavity forming a cooling system in the blade, and at least one outer wall defining the at least one cavity forming at least a portion of the cooling system; wherein the cooling system comprises at least one orifice in the tip of the generally elongated blade providing a pathway from the at least one cavity forming at least a portion of the cooling system through the at least one outer wall; at least one vortex chamber in the tip of the generally elongated blade; a plurality of metering slots extending between the at least one orifice and the at least one vortex chamber; and at least one film cooling hole extending from the at least one vortex chamber to an outer surface of the generally elongated blade.