Patent · US Active

Wind turbine noise reduction with acoustically absorbent serrations

US10240576B2 · kind B2 · utility

11Cited by

7References

18Claims

0Family size

Assignee

General Electric Company · US

Inventors

Lorenz Edwin Drack · Munich, DE
Thierry Maeder · Glastonbury, US
Roger Drobietz · Salem, DE

Key dates

Filing date	Nov 25, 2015
Grant date	Mar 26, 2019
Priority date	—
Expiry date	Nov 5, 2036

Classification

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

Abstract

A wind turbine blade includes a trailing edge including a radially inboard portion and a radially outboard portion opposite the radially inboard portion. The trailing edge further includes at least one serrated portion extending at least partially between the radially inboard portion and the radially outboard portion. The serrated portion includes at least one substantially acoustically absorbent material.

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