Patent ID: 8951009
Filing Date: 2015-02-10
Classification: F04D

Abstract:
1. An impeller, comprising: a hub body; and a plurality of impeller blades extending from the hub body, wherein a first portion of each impeller blade of the plurality of impeller blades is sculpted having a nonlinear, curved profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller blade, wherein the nonlinear, curved profile has a radius of curvature that varies from a leading edge of the impeller blade to a trailing edge of the impeller blade, and wherein a location of a maximum of a thickness between the hub intersect surface and the shroud intersect surface of each impeller blade of the plurality of impeller blades varies from a leading edge to a trailing edge of each impeller blade of the plurality of impeller blades.