Mistuned fan
US10865807B2 · kind B2 · utility
4Cited by
28References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2019 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Jun 21, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A compressor rotor for a gas turbine engine is described which includes sets of blades having different airfoil thickness distributions, each including a frequency modifier forming a thickness differential relative to a baseline blade thickness. The frequency modifiers provide different natural vibration frequencies for each of the blades, and facilitate modifying natural vibration frequency separation between adjacent blades of the compressor rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.