Patent ID: 6261054
Filing Date: 2001-07-17
Classification: F01D,F05D,Y02T

Abstract:
A closed-circuit coolable airfoil assembly for use and exposure in a hot fluid flow of a machine portion, comprising:a first flange configured to be connected with a casing of said machine portion;a second flange configured to be connected with said casing;an airfoil connected with and between said first flange and said second flange, said airfoil including a peripheral portion surrounding a medial portion;at least one channel disposed in said peripheral portion, said channel extending between said first flange and said second flange and being in flow communication with each; anda closed flow path formed from said casing and through said first flange, said second flange and said channel; wherein said airfoil includes a chordwise extending leading edge section joined with a trailing edge section by a midchord section adjoining each therebetween and said at least one channel includes a plurality of channels connected with said flow path and said first flange includes an inlet and an outlet in flow communication with said flow path and said flow path is configured to direct coolant fluid from said inlet to said leading edge or trailing edge channels and then to said midchord channels and said outlet.