公开(公告)号：US12037978B2

公开(公告)日：2024-07-16

申请号：US18032939

申请日：2021-11-19

Applicant: LM WIND POWER A/S

Inventor： Jelmer Cnossen ,  Afroz Akhtar ,  Rajkumar Sivanantham ,  Christian Frank Andersen

IPC: F03D1/06

CPC classification number: F03D1/0681 ,  F05B2260/964 ,  F05B2280/6013

Abstract: A wind turbine blade comprising a plurality of spar components extending along the longitudinal axis and providing the main bending stiffness of the wind turbine blade a major principal axis defining a structural pitch angle of at least 1° with respect to a chord line, and including: one or more suction-side spar caps each having a centre line; one or more pressure-side spar caps each having a centre line; and one or more shear webs distributed around a central shear web line and at least one of which being connected to first spar caps, wherein at least one suction-side spar cap centre lines is arranged with a first chordwise distance to the central shear web line, and at least one pressure-side spar cap centre lines is arranged with a second, different, chordwise distance to the central shear web line.

公开(公告)号：US12018639B2

公开(公告)日：2024-06-25

申请号：US17615765

申请日：2020-06-02

Applicant: LM Wind Power A/S

Inventor： Kim Ansholm Rasmussen ,  Christian Brøndum Gjerlevsen ,  Brian Karsbæk ,  Sven Barlev

IPC: F03D1/06

CPC classification number: F03D1/0658 ,  F05B2230/604 ,  F05B2260/301 ,  F05B2280/6003

Abstract: The present invention relates to a method for installing a bulkhead in a wind turbine blade. The bulkhead comprises attachment means for attaching the bulkhead to the root end of the blade; a movement device moves the bulkhead into the installation position; the moving comprising engaging the attachment means of the bulkhead with receiving means of the root end, the receiving means being arranged and adapted to receive and hold the bulkhead by engaging with the attachment means of the bulkhead; and adhering the bulkhead to the wind turbine blade. A bulkhead for use in the method is also provided.

公开(公告)号：US11994100B2

公开(公告)日：2024-05-28

申请号：US17289327

申请日：2019-10-25

Applicant: BLADE DYNAMICS LIMITED ,  LM WIND POWER A/S

Inventor： David Roberts ,  Lars Bang Jønsson ,  Manish Mukherjee ,  Paul Todd ,  Mark Hancock

IPC: F03D80/30 ,  F03D1/06 ,  F03D80/50

CPC classification number: F03D1/0675 ,  F03D80/30 ,  F03D80/50 ,  F05B2230/10 ,  F05B2240/302 ,  F05B2260/30

Abstract: The present invention relates to a method of manufacturing a wind turbine blade comprising the steps of manufacturing a pressure shell halves and arranging a spar structure (62) within one of the shell halves. The spar structure (62) comprises two parts releasably coupled to each other. The method results in a segmented wind turbine blade for easy transportation and re-assembly.

公开(公告)号：US20240159214A1

公开(公告)日：2024-05-16

申请号：US18281553

申请日：2022-04-04

Applicant: LM WIND POWER A/S ,  GE WIND ENERGY GMBH

Inventor： Mark HANCOCK ,  Michael Drachmann HAAG ,  Harald BEHMER ,  Hans MINNEE

IPC: F03D1/00 ,  F03D1/06 ,  F03D13/10

CPC classification number: F03D1/165 ,  F03D1/0688 ,  F03D13/122 ,  F05B2250/70 ,  F05B2280/5001 ,  F05B2280/6003 ,  F05B2280/6015

Abstract: A prefabricated fairing for a wind turbine blade, the fairing extending along a fairing profile terminating at fairing lips and comprising exterior and interior fairing surfaces and a plurality of layers including fibre-reinforced layers and an exterior erosion-resistant elastomer layer forming a portion of the exterior fairing surface and being configured for defining the leading edge of the wind turbine blade, the fairing further comprises a cured first resin binding the erosion-resistant elastomer layer and the one or more fibre-reinforced layers together.

公开(公告)号：US20240133358A1

公开(公告)日：2024-04-25

申请号：US18278262

申请日：2022-02-14

Applicant: LM WIND POWER A/S

Inventor： Andreas HERRIG ,  Horacio BULACIO ,  Hans MINNEE

IPC: F03D1/06

CPC classification number: F03D1/0688 ,  F05B2240/303 ,  F05B2250/183 ,  F05B2260/96

Abstract: The present invention relates to a leading edge protection for a wind turbine blade, wherein a leading edge axis of the leading edge protection is configured to be fitted on at least part of a leading edge of a wind turbine blade and the leading edge protection is configured to extend between the leading edge and a first edge downstream a first side of the wind turbine blade as well as between the leading edge and a second edge downstream a second side of the wind turbine blade, wherein the leading edge protection comprises a first part and wherein the first edge is configured to be non-parallel with the leading edge of the wind turbine blade along the first part of the leading edge protection. The present invention further relates to a wind turbine blade comprising the leading edge protection and a wind turbine comprising the wind turbine blade. Finally, the present invention relates to a method for protecting a leading edge of a wind turbine blade arranged on a wind turbine and a leading edge protection obtainable by that method.

公开(公告)号：US11939956B2

公开(公告)日：2024-03-26

申请号：US17616717

申请日：2020-07-21

Applicant: LM WIND POWER A/S

Inventor： Isaac Alejandro Martinez Tovar

IPC: F03D17/00 ,  F03D1/06 ,  G01N29/12 ,  G01N29/44

CPC classification number: F03D17/00 ,  F03D1/0675 ,  G01N29/12 ,  G01N29/4436 ,  F05B2260/80

Abstract: Disclosed is a method for detecting concealed emerging defects in a structure of a wind turbine blade, and a wind turbine blade comprising a first acoustical transducer fastened to a first area of a surface of a structure of the wind turbine blade, and wherein the first acoustical transducer is configured to, while the wind turbine blade being attached to a hub of a wind turbine and the wind turbine is operating: emit a first primary acoustic signal through the surface of the structure and into the structure; and receive a first secondary acoustic signal indicative of an echo of the first primary acoustic signal.

公开(公告)号：US20240091989A1

公开(公告)日：2024-03-21

申请号：US18275869

申请日：2022-02-15

Applicant: LM WIND POWER A/S

Inventor： Jesper With MØLLER ,  Haris JONUZ ,  Poul Erik HANSEN

IPC: B29C33/30 ,  B29C33/26 ,  B29D99/00

CPC classification number: B29C33/307 ,  B29C33/26 ,  B29D99/0028 ,  B29L2031/085

Abstract: Disclosed is a mould system for moulding a blade shell of a wind turbine blade comprising a first mould for manufacturing a first blade shell part of the wind turbine blade; a second mould for manufacturing a second blade shell part of the wind turbine blade; a turning device configured to reposition the first mould between an open mould position and a closed mould position comprising a turning mechanism and a first primary beam connecting the turning mechanism and the first mould; a first scaffold arranged between the first mould and the second mould in the open mould position and comprising a first primary scaffold part and a first secondary scaffold part spaced apart by a first primary scaffold opening, the first primary scaffold allowing the first primary beam to move therethrough during repositioning of the first mould; a first primary movable platform attached to the first mould and being configured to move between an extended platform position and a stored platform position and covering the first primary scaffold opening in the extended position and arranged to expose the first primary scaffold opening in the stored platform position.

公开(公告)号：US20240084778A1

公开(公告)日：2024-03-14

申请号：US18280938

申请日：2022-05-06

Applicant: LM WIND POWER A/S

Inventor： Andreas HERRIG ,  Hartmut SCHOLTE-WASSINK ,  Satya Mohan Vamsi DALAM

IPC: F03D1/06

CPC classification number: F03D1/0675 ,  F05B2260/964 ,  F05B2270/404 ,  F05B2270/506 ,  F05B2270/807

Abstract: A wind turbine blade extending in a longitudinal direction between a root end and a tip end and comprising a shell having an outer surface defining a pressure side and a suction side, a leading edge and a trailing edge, a chord having a chord length extending between the leading edge and the trailing edge and a load-bearing structure extending in the longitudinal direction, the wind turbine blade further comprises a dampening system comprising a blade dampening body attached exteriorly to the load-bearing structure or exteriorly to the outer surface of the shell, at least a first dampener located within the blade dampening body and positioned with a component in the chordwise direction of the blade and adapted to absorb vibrational forces the wind turbine blade is subjected to.

公开(公告)号：US20240084777A1

公开(公告)日：2024-03-14

申请号：US18463358

申请日：2023-09-08

Applicant: LM Wind Power A/S

Inventor： Dylan Robert Redmond-Gray ,  Rama Razeghi

IPC: F03D1/06 ,  B29D99/00

CPC classification number: F03D1/0633 ,  B29D99/0028 ,  B29K2105/0854

Abstract: A wind turbine blade part includes a plurality of precured fibrous elements each having a width defined between a first side and an opposite second side, a thickness defined between an upper surface and an opposite lower surface, a length defined by a first longitudinal end and a second longitudinal end, and a longitudinal direction extending between the first longitudinal end and the second longitudinal end. Each precured fibrous element includes a plurality of unidirectional fiber bundles extending substantially in the longitudinal direction of the precured fibrous element and at least one non-woven fiber strip. The plurality of unidirectional fiber bundles and the at least one non-woven fiber strip are embedded in a polymer matrix. The non-woven fiber strip is arranged between a plurality of first unidirectional fiber bundles and a plurality of second unidirectional fiber bundles of the plurality of unidirectional fiber bundles.

公开(公告)号：US11885293B2

公开(公告)日：2024-01-30

申请号：US17717676

申请日：2022-04-11

Applicant: LM Wind Power A/S

Inventor： John Korsgaard ,  Jelmer Cnossen

IPC: F03D1/06

CPC classification number: F03D1/0633 ,  F03D1/0675 ,  F05B2240/302

Abstract: An extendable wind turbine blade for being extended in length during operation thereof, the wind turbine blade having an exterior surface with a root region and an airfoil region and comprising a first blade segment including a first portion of the exterior surface, a second blade segment including a second portion of the exterior surface, and a connection mechanism connecting the blade segments, and being configured to bring the wind turbine blade to a retracted state, in which the portions of the exterior surface are flush and adjoining, when the wind turbine blade operates above a threshold rotational speed and to bring the wind turbine blade to an extended state, in which the portions of the exterior surface are disconnected and the blade length is at least 101% of the blade length in the retracted state, when the wind turbine blade operates below the threshold rotational speed.