Stacked steampath and grooved bucket wheels for steam turbines
US7270512B2 · kind B2 · utility
5Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2005 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Nov 30, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D25/246
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The steampath for a steam turbine includes stacked stator rings each mounting inwardly directed nozzles and stacked rotor wheels each mounting outwardly directed buckets mounting blades. By alternately stacking the stator rings and rotor wheels, the nozzles and buckets of the various stages are interdigitated to form a steampath. Each bucket includes a blade and a root received in a generally complementary shaped groove on a wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.