Patent · US Active

Wind turbine pitch bearing, and use hereof

US8047792B2 · kind B2 · utility

17Cited by

14References

13Claims

0Family size

Assignee

Vestas Wind Systems A/S · DK

Inventors

Anton Bech · Ciudad Real, ES
Gerry Madden · Milton Keynes, GB

Key dates

Filing date	Jul 5, 2005
Grant date	Nov 1, 2011
Priority date	—
Expiry date	Oct 10, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a wind turbine including at least two pitch controlled wind turbine blades. Each blade has pitch bearings including two or more bearing rings, and pitch controlling means for pitching the blades by means of the bearings. The blades are mounted on a hub via the pitch bearings and the pitch bearings include separate flexibility enhancing means for controlling loads in the bearings.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.