Patent ID: 7121802
Filing Date: 2006-10-17
Classification: F01D,F05D,Y02T,Y10S

Abstract:
1. A turbine blade comprising: an airfoil, platform, shank, and multilobed axial dovetail integrally joined together in turn; said airfoil including opposite pressure and suction sides extending in chord between leading and trailing edges and in span between a root at said platform and an outer tip; said platform including a first side disposed along said airfoil pressure side, and an opposite second side disposed along said airfoil suction side; said platform second side includes an integral damper keeper below the midchord of said airfoil, and is locally thinner at forward and aft ends of said platform second side; and said platform second side blends at corresponding fillets with radial skirts along opposite ends of said shank.