Turbine nozzle having non-axisymmetric endwall contour (EWC)
US9376927B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2013 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Jan 3, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Various embodiments of the invention include turbine nozzles and systems employing such nozzles. Various particular embodiments include a turbine nozzle having: an airfoil having: a suction side; a pressure side opposing the suction side; a leading edge spanning between the pressure side and the suction side; and a trailing edge opposing the leading edge and spanning between the pressure side and the suction side; and at least one endwall connected with the airfoil along the suction side, pressure side, trailing edge and the leading edge, the at least one endwall including a non-axisymmetric contour proximate a junction between the endwall and the leading edge of the airfoil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.