Patent · US Active

Wind turbine rotor blade with a suction side winglet

US7946826B1 · kind B1 · utility

7Cited by

1References

20Claims

0Family size

Assignee

General Electric Company · US

Inventors

Klaus Ulrich Koegler · Rheine, DE
Ramesh Vedula · Bengaluru, IN
Ariane Frere · Brussels, BE

Key dates

Filing date	Jul 16, 2010
Grant date	May 24, 2011
Priority date	—
Expiry date	Jul 16, 2030

Classification

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

Abstract

A rotor blade for a wind turbine is disclosed. The rotor blade may comprise a root portion, a tip, and a body extending between the root portion and the tip. The body may include a pressure side and a suction side. Additionally, a winglet may be defined by the body. The winglet may terminate at the tip of the rotor blade and extend inwardly in a direction of the suction side of the body. Further, a bend may be defined in the body such that a portion of the body extends outwardly in a direction of the pressure side of the body.

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