Patent ID: 8668448

Claim:
An airfoil retention arrangement comprising: a retention assembly including a first retention segment and a second retention segment each separately moveable to an installed positioned relative to an airfoil assembly and a support structure, the first retention segment and the second retention segment each having a portion positioned between a lip of the airfoil assembly and a collar of the support structure when in the installed position, wherein the retention assembly is configured to limit radial movement of the airfoil assembly relative to the support structure when in the installed position, wherein the support structure is a platform ring having an axis, the platform ring having a ledge extending about at least a portion of an aperture established within the platform ring, wherein radial movement of the airfoil assembly in a first direction is limited by the ledge, and radial movement of the airfoil assembly in a second direction is limited by the retention assembly, the first direction opposite the second direction, and wherein the lip is between the ledge and the retention assembly.