Patent · US Active

System and method for pitching a rotor blade in a wind turbine

US8430632B2 · kind B2 · utility

4Cited by

5References

17Claims

0Family size

Assignee

General Electric Company · US

Inventor

Christian Haag · Assamstadt, DE

Key dates

Filing date	Dec 22, 2011
Grant date	Apr 30, 2013
Priority date	—
Expiry date	Dec 22, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A system and method for pitching a rotor blade in a wind turbine are disclosed. The method includes collecting in an individual pitch controller for the rotor blade a pitch offset angle relative to a collective pitch angle. The method further includes determining a synchronized pitch offset angle. The method further includes, after an emergency condition occurs, pitching the rotor blade towards the synchronized pitch offset angle.

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