Patent ID: 8251668

Claim:
A method for assembling a rotating machine, said method comprising: providing a rotating element; forming a first dovetail slot having a first axial length within a portion of the rotating element, wherein the first dovetail slot is substantially parallel to an axial centerline of the rotating element; forming a second dovetail slot having a second axial length within a portion of the rotating element, the second dovetail slot is substantially parallel to the axial centerline of the rotating element, at least a portion of the second dovetail slot is radially outboard of at least a portion of the first dovetail slot, the first axial length is greater than the second axial length; forming a first dovetail lobe having a third axial length that is shorter than the first axial length; and forming a second dovetail lobe having a fourth axial length that is shorter than the first axial length and that is longer than the third axial length, wherein at least a portion of the second dovetail lobe is radially outward from at least a portion of the first dovetail lobe; and enclosing at least a portion of the rotating element within at least a portion of a casing.