公开(公告)号：US12085055B2

公开(公告)日：2024-09-10

申请号：US17769786

申请日：2021-01-19

Applicant: LM WIND POWER A/S

Inventor： Thomas Buhl ,  Jesper Madsen ,  Jordy Hertel Nilsson Van Kalken

IPC: F03D1/06 ,  F03D13/10

CPC classification number: F03D1/0675 ,  F03D1/0633 ,  F03D1/0658 ,  F03D13/10 ,  F05B2240/121 ,  F05B2240/122 ,  F05B2240/305 ,  F05B2240/306 ,  F05B2240/3062 ,  F05B2260/964

Abstract: A blade damping device for damping vibrations during standstill of a wind turbine blade, wherein the blade damping device is adapted to be detachably attached to the pressure side and/or the suction side of the airfoil region of the wind turbine blade, the blade damping device comprising a base plate adapted to conform to the exterior shape of the wind turbine blade when the blade damping device is attached to the wind turbine blade, and a spoiler protruding from the base plate to a spoiler height along a height direction and having a spoiler length along a length direction, the height direction being adapted to extend outwardly from the wind turbine blade, wherein the spoiler height is adapted to be at least 20% of a chord line located at two thirds of the blade length along the longitudinal axis from the root end of the wind turbine blade.

公开(公告)号：US12188451B2

公开(公告)日：2025-01-07

申请号：US17794071

申请日：2021-02-23

Applicant: LM Wind Power A/S

Inventor： Jeremy Hurault ,  Dongke Sun ,  Guannan Wang ,  Jesper Madsen ,  Lars Bo Hansen

IPC: F03D80/30 ,  F03D1/06 ,  F03D7/02

Abstract: A noise reduction element extends between a first end and a second end in a first direction. The noise reduction element extends between a third end and a fourth end in a second direction perpendicular to the first direction. The noise reduction element includes a base part configured to be attached to a trailing edge of a wind turbine blade. The base part has a first base part surface and a second base part surface. The base part extends between the first end and a first position in the first direction. The noise reduction element includes a first serration part having a serration pressure surface and a serration suction surface and extending in the first direction between the first position and the second end. The first serration part has a thickness in a third direction between the serration pressure surface and the serration suction surface.