General Electric Company
Variable Airfoil with Sealed Flowpath

Abstract:

A stage of guide vanes for a machine includes a first variable vane assembly including an airfoil. The airfoil of the first variable vane assembly includes a first member and a second member each extending generally along a radial direction and the second member being moveable relative to the first member. The stage of guide vanes also includes a second variable vane assembly including an airfoil, the airfoil of the second variable vane assembly including a first member and a second member each extending generally along the radial direction and the second member being moveable relative to the first member, the second members of the airfoils of the first and second variable vane assemblies being moveable towards one another.