Patent · US Active

Winglet for a wind turbine rotor blade

US9039380B2 · kind B2 · utility

1Cited by

14References

20Claims

0Family size

Assignee

General Electric Company · US

Inventors

Klaus Ulrich Koegler · Rheine, DE
Stefan Herr · Greenville, US
Ramesh Vedula · Bengaluru, IN

Key dates

Filing date	Apr 30, 2012
Grant date	May 26, 2015
Priority date	—
Expiry date	Sep 4, 2033

Classification

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

Abstract

A winglet for a rotor blade is disclosed. The winglet may generally include a winglet body extending between a first end and a second end. The winglet body may define a sweep and may have a curvature defined by a curve fit including a first radius of curvature and a second radius of curvature. The sweep between the first end and the second end may range from about 580 millimeters to about 970 millimeters. Additionally, the first radius of curvature may range from about 1500 millimeters to about 2500 millimeters and the second radius of curvature may range from about 1200 millimeters to about 2000 millimeters.

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