Patent ID: 8511981

Claim:
A system, comprising: a centrifugal compressor diffuser, comprising: an elliptical plate comprising a plurality of vane receptacles disposed in the elliptical plate about an axis, wherein each vane receptacle has a first two-dimensional (2D) projection along a plane of the elliptical plate; and a plurality of detachable vanes attached to the elliptical plate, wherein each detachable vane comprises a cross-sectional profile that varies along a span of the detachable vane, each detachable vane comprises a second two dimensional (2D) projection along a base portion of the respective detachable vane, and each detachable vane is disposed in a respective vane receptacle with the first and second 2D projections blocking movement of the detachable vane in at least a first axial direction relative to the elliptical plate.