Reinforced blade and spar
US10618631B2 · kind B2 · utility
2Cited by
10References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 2017 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Jun 9, 2038 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2505/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A spar for an airfoil comprises a core, e.g. a foam core, a central structural member extending through the core, an outer structural layer surrounding the core and central structural member and a plurality of yarns extending through the central structural member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.