Hollow turbomachine blade
US7530788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2006 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Oct 8, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hollow turbomachine blade including an internal cooling passage, an open cavity situated at the free end of the blade and defined by an end wall and the side wall of at least one rim which extends between the leading edge and the trailing edge of the blade, and at least one cooling channel connecting said internal cooling passage to said open cavity, said cooling channel opening out at the base of the rim and the wall of the rim forming an angle relative to said end wall that is obtuse, being strictly greater than 90°. An indentation may be formed in the wall of the rim at the outlet from said cooling channel. Said blade advantageously does not include a pressure rim.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.