Thin walled cooled hollow tip shroud
US6471480B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2001 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Apr 16, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/203
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a lightweight shrouded turbine blade. The turbine blade comprises an airfoil section and a hollow blade tip shroud joined to the airfoil section. The hollow tip shroud is preferably a cast, compartmentalized structure and has a plurality of ribs acting as load bearing structures and defining a plurality of shroud core sections. Each of the shroud core sections communicates with a supply of cooling fluid and has a plurality of apertures for supplying cooling fluid to exterior portions of the shroud.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.