Apparatus for assembling rotary machines
US7614850B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Jul 11, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/728
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A wind turbine generator includes at least one blade and a hub assembly. The hub assembly includes at least one substantially cylindrical wall defining a substantially annular hub cavity. The assembly also includes at least one substantially triangular frame inserted into the hub cavity and is fixedly coupled to the cylindrical wall. The assembly further includes at least one blade attachment apparatus having at least one blade support sleeve fixedly coupled to at least a portion of the cylindrical wall. The sleeve is configured to receive at least a portion of the wind turbine blade. The blade attachment apparatus also includes at least one blade pitch bearing having a blade portion and a hub portion. The hub portion is slidingly engaged with the blade portion blade portion and the blade portion is positioned radially outboard of the hub portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.