Turbine blade platform undercut with decreasing radii curve
US10167724B2 · kind B2 · utility
0Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2015 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Jun 30, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/941
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine blade has an undercut beneath its platform proximate a trailing edge region. The undercut incorporates a curved portion to reduce to reduce undesirable stress concentration. The undercut shape includes a curved portion of decreasing radius with increasing distance from the underside of the platform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.