Patent ID: 6431832
Filing Date: 2002-08-13
Classification: F01D

Abstract:
An air foil for use in a gas turbine engine, said air foil having a leading edge, a trailing edge, a pressure side, a suction side, a peripheral wall having an inner surface and an outer surface, said air foil comprising:a first radial gallery disposed internally of said peripheral wall proximate said leading edge, said first radial gallery extending between a first end and a second end of said air foil; a second radial gallery being disposed between said peripheral wall and said first radial gallery, said second radial gallery extending between said first end and said second end, a partition between said first radial gallery and said second radial gallery defining a plurality of holes, said plurality of holes allowing fluid communication between said first radial gallery and said second radial gallery; a film cooling gallery disposed internally of said peripheral wall proximate said leading edge, said film cooling gallery extending between said second end and said first end, said film cooling gallery being fluidly connected with said second radial gallery, said film cooling gallery having a plurality of openings extending between said inner surface and said outer surface of said peripheral wall; and an angled passage proximate said first end, said angled passage fluidly connecting said first radial gallery with said second radial gallery.