Steam turbine rotor blade
US11753940B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2021 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Nov 19, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/303
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Provided is a steam turbine rotor blade having, at an intermediate position in a blade length direction thereof, a tie boss for connection to an adjacent blade, wherein the steam turbine rotor blade includes a leading edge side protrusion that is extending in an embankment shape in a blade chord length direction at an intermediate position in the blade length direction, a start end and a terminal end of the leading edge side protrusion are located on a suction side surface and a pressure side surface, respectively, and the leading edge side protrusion continues from the start end to the terminal end via a blade leading edge and arrangement thereof in the blade length direction overlaps with the tie boss as viewed from the upstream side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.