Fan blade curvature distribution for high core pressure ratio fan
US7204676B2 · kind B2 · utility
73Cited by
16References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2004 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Dec 10, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for reducing vortex promotion of a rotor blade used in high core PR fans comprises shifting a curvature distribution of a blade section immediately adjacent to the hub such that a major turning of the suction side of the section is located near a trailing edge of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.