Composite blade with reinforced leading edge
US5439353A · kind A · utility
44Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1994 |
| Grant date | Aug 8, 1995 |
| Priority date | — |
| Expiry date | Jun 9, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49337
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Composite Blade With Reinforced Leading Edge The shell (30) of a lightweight composite propulsor blade (10) of spar and shell construction has a leading edge portion (39) having twice the thickness as the remainder (33, 35, 37) of the shell thereby enhancing resistance to foreign object damage and improving erosion resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.