Scalloped surface turbine stage
US7134842B2 · kind B2 · utility
85Cited by
17References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2004 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Apr 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. Each platform has a scalloped flow surface including a bulge adjoining the pressure side adjacent the leading edge, and a bowl adjoining the suction side aft of the leading edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.