公开(公告)号：US20220163012A1

公开(公告)日：2022-05-26

申请号：US17430215

申请日：2020-02-17

Applicant: LM Wind Power A/S

Inventor： Carlos Arce LEÓN

IPC: F03D7/02 ,  F03D1/06

Abstract: The present invention relates to a wind turbine rotor blade assembly comprising a rotor blade and a noise reducer (70) configured on the rotor blade. The noise reducer (70) comprises a plurality of aligned spine members (72), each spine member having a length and comprising a first section (74) extending along a first part of the length of the spine member, and a second section (76) extending along a second part of the length of the spine member, wherein the first section (74) has a higher stiffness than the second section (76).