Wind turbine blade and method for manufacturing the same
US11493020B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Nov 13, 2019 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Jul 2, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A wind turbine blade includes a base member formed of FRP and having a blade shape, an intermediate layer arranged on the base member and formed of metal, cermet, ceramic, or a mixture of at least one thereof and resin as a major constituent, and an erosion-resistant overcoat arranged on the intermediate layer and formed of a spray film having a porosity of 5% or lower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.