Bucket platform cooling scheme and related method
US6478540B2 · kind B2 · utility
41Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Jan 24, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/2214
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine bucket includes an airfoil extending from a platform, having high and low pressure sides; a wheel mounting portion; a hollow shank portion located radially between the platform and the wheel mounting portion, the platform having an under surface. An impingement cooling plate is located in the hollow shank portion, spaced from the under surface, and the impingement plate is formed with a plurality of impingement cooling holes therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.