Rotor aerofoil blade containment
US4643647A · kind A · utility
44Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1985 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | Oct 22, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hollow propfan aerofoil blade is provided with grooves which extend between its root and tip portions. The grooves contain filaments which are enclosed within a resin matrix material and are anchored to the root and tip portions. The filaments are arranged to be of sufficient strength to contain any of aerofoil portion of the blade in the event of any structural failure thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.