Patent ID: 11952976
Assignee: NATEL ENERGY HOLDINGS, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 13:
14. A runner for a hydraulic turbine, comprising:
a hub; and
a plurality of blades extending from the hub,
wherein each blade of the plurality of blades comprises a root located at the hub, a tip opposite the root, a leading edge, and a trailing edge opposite the leading edge,
wherein for at least one of the plurality of blades, a thickness of the leading edge is greater than 100 mm, and
wherein for the at least one of the plurality of blades, a portion of the leading edge at the root is slanted at a first angle, and a portion of the leading edge at the tip is slanted at a second angle that is smaller than the first angle.