Hollow turbine blade stiffening
US7001150B2 · kind B2 · utility
4Cited by
17References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2003 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Apr 12, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S416/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for at least one of stiffening a rotor blade of a gas turbine engine and raising a natural vibration frequency of the blade. The blade has a recess extending radially and inwardly into the blade. A reinforcing element is provided in the recess at a selected position to thereby allow a large blade chord at the tip end of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.