Flexible bladed fan with increased natural frequency
US4037987A · kind A · utility
8Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1975 |
| Grant date | Jul 26, 1977 |
| Priority date | — |
| Expiry date | Jun 30, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S416/03
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A flexible bladed fan comprising blade assemblies having a reinforcing member contacting each blade along the leading portion thereof, the blade and reinforcing member spaced apart at a gap behind the leading portion and contacting again at a second position behind the gap, the reinforcing member biasing the blade in a downstream direction at the second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.