Wind turbine, a method for servicing a main bearing unit of a wind turbine and use thereof
US8585367B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 2009 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Jul 6, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49718
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A wind turbine includes a nacelle and a rotor, the rotor being rotatably mounted on the nacelle by means of at least one main bearing unit. The wind turbine is characterized in that the main bearing unit includes at least one outer ring, at least one center ring and at least one inner ring and wherein the center ring is capable of rotation in relation to the outer ring and the inner ring or the outer ring and the inner ring are capable of rotation in relation to the center ring. A method for servicing a main bearing unit of a wind turbine and a use hereof are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.