초록 ▼

A turbine airfoil includes a plurality of internal ribs defining at least two independent serpentine cooling circuits arranged in part in different longitudinal tiers, with an outer tier circuit being disposed in part longitudinally above an inner tier circuit for differentially longitudinally cooli

A turbine airfoil includes a plurality of internal ribs defining at least two independent serpentine cooling circuits arranged in part in different longitudinal tiers, with an outer tier circuit being disposed in part longitudinally above an inner tier circuit for differentially longitudinally cooling the airfoil.

대표청구항 ▼

A turbine airfoil comprising: first and second sidewalls joined together at chordally spaced apart leading and trailing edges and extending longitudinally from a root to a tip; and said sidewalls being spaced apart from each other between said leading and trailing edges and joined together by a plur

A turbine airfoil comprising: first and second sidewalls joined together at chordally spaced apart leading and trailing edges and extending longitudinally from a root to a tip; and said sidewalls being spaced apart from each other between said leading and trailing edges and joined together by a plurality of internal ribs defining at least two independent serpentine cooling circuits arranged in part in different longitudinal tiers, with an outer tier circuit being disposed in part longitudinally above an inner tier circuit for differentially longitudinally cooling said airfoil.