Patent ID: 7686571

Claim:
A turbine stator vane for use in a gas turbine engine, the stator vane comprising: an airfoil having a pressure side and a suction side with a curvature toward the pressure side, the airfoil having a platform attachment portion on one end for attachment to a platform; the platform having an opening sized to fit the airfoil attachment portion; a platform retainer groove in the platform extending along the pressure and the suction sides of the airfoil; an airfoil retainer groove in the airfoil platform attachment portion extending along the pressure side and the suction side of the airfoil; the retainer grooves extending along a contour of the airfoil and forming a retainer slot; and, a shear pin secured within the retainer slots on the pressure side and the suction side of the airfoil to secure the airfoil to the platform.