Today’s Patent – Integrated Two-Stage Impeller

The said invention (US12253008B1) was invented by Alden Lee Winn, Andrew W. Solomon, and patented by USPTO on April 26^th, 2024. Currently, it stands assigned to the Hamilton Sundstrand Corp.

An impeller includes a cylindrical portion defining a fluid inlet, the cylindrical portion coaxial with a rotational axis of the impeller, a hub, a shroud extending downward and radially away from the cylindrical portion and covering the hub, a first plurality of vanes extending between the shroud and the hub, and an extension portion disposed between the shroud and the hub and downstream of the first plurality of vanes. The extension portion includes an outer ring, and inner ring, and a second plurality of vanes extending between the outer ring and the inner ring.