Reinforced blade
US11313230B2 · kind B2 · utility
0Cited by
14References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2017 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Jul 25, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49337
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A propeller blade comprises a root, a tip distal from the root, a trailing edge extending from the root to the tip, a trailing edge, e.g. foam, insert, a shell forming an outer surface of the propeller blade and a plurality of stitches of yarn extending through two parts of the shell adjacent the trailing edge, wherein the yarns do not extend through the trailing edge insert.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.