High chord bucket with dual part span shrouds and curved dovetail
US9822647B2 · kind B2 · utility
7Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2014 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Aug 24, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D5/225
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine bucket includes an entry dovetail; an airfoil portion extending from the entry dovetail, the airfoil portion having a leading edge, a trailing edge, a pressure side and a suction side. Radially inner- and outer-span shrouds are provided on each of the pressure side and the suction side, the part-span shrouds each having hard faces adapted to engage and slide relative to corresponding part-span shrouds on adjacent buckets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.