公开(公告)号：US20220299013A1

公开(公告)日：2022-09-22

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

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：US20220203627A1

公开(公告)日：2022-06-30

申请号：US17563153

申请日：2021-12-28

Applicant: LM Wind Power A/S ,  LM Wind Power R&D (Holland) B.V. ,  LM Wind Power Blades (India) Pvt. Ltd.

Inventor： Michael Wenani Nielsen ,  Pavel Zhuravlov ,  Suresh Babu Gangavaram Pandarinath

IPC: B29C65/48 ,  F03D1/06

Abstract: The present invention relates to a wind turbine blade and a method for its manufacture. A lower shell part and an upper shell part are provided, each shell part having a leading edge and a trailing edge. A first shear web and a second shear web for connecting an inner surface of the lower shell part with an inner surface of the upper shell part are provided. The first shear web and the second shear web are connected by a first distance member in a chordwise direction. The first distance member is arranged for accommodating a variable chordwise distance between said first shear web and said second shear web. The first shear web and the second shear web are placed in the lower shell part and the upper shell part is mounted.

公开(公告)号：US20220143875A1

公开(公告)日：2022-05-12

申请号：US17432763

申请日：2020-02-25

Applicant: LM WIND POWER A/S

Inventor： Kristian LEHMANN MADSEN

IPC: B29C33/30 ,  B29C70/44 ,  B29B11/16

Abstract: A preform mould (90) is provided for manufacturing a preform for a wind turbine blade. The preform mould (90) comprises one or more support elements (70) and a plurality of strip members (88) comprising a top surface, a groove (64), a tongue (66), and preferably a sealing member arranged in the groove (64). The strip members (88) are arranged in juxtaposition such that the tongue (66) of a strip member (88) is releasably fixed within the groove (64) of an adjacent strip member (88).

公开(公告)号：US20220143874A1

公开(公告)日：2022-05-12

申请号：US17434456

申请日：2020-03-05

Applicant: LM WIND POWER A/S

Inventor： Kristian Lehmann MADSEN

IPC: B29C31/08 ,  B29C70/30 ,  B29C70/54

Abstract: A gripping device (76) is provided for lifting a preform for a wind turbine blade from a preform mould (71). The gripping device (76) comprises a base frame (62), a plurality of arms (78) slidably mounted on the base frame (62), each arm (78) having a proximal end and a distal end, a plurality of gripping members (86) for gripping a top surface (75) of the preform. The vertical position of one or more arms (78) of the gripping device (76) relative to the base frame (62) may change when lowering the gripping device (76) towards a preform to reflect the top surface (75) of the perform.

公开(公告)号：US20220134686A1

公开(公告)日：2022-05-05

申请号：US17427335

申请日：2020-02-07

Applicant: LM Wind Power A/S

Inventor： Lars NIELSEN ,  Klavs JESPERSEN

IPC: B29C70/44 ,  B29C70/54 ,  B29D99/00

Abstract: The present invention relates to a method of manufacturing a wind turbine blade using a two-step curing process, wherein the second curing is performed in the presence of a resin flow medium (76) comprising a curing inhibitor.

公开(公告)号：US20220134685A1

公开(公告)日：2022-05-05

申请号：US17431355

申请日：2020-02-21

Applicant: Blade Dynamics Limited ,  LM Wind Power A/S

Inventor： Michael LUND-LAVERICK ,  Rama RAZEGHI ,  Klavs JESPERSEN

IPC: B29C70/44 ,  B29C33/34 ,  B29D99/00

Abstract: Disclosed is a mould tool for manufacturing a plurality of pre-form laminates for a laminate of a wind turbine blade, the mould tool comprising a frame, a first mould surface configured for receiving a first fabric, a second mould surface configured for receiving a second fabric, and a heating arrangement configured to heat the first mould surface and the second mould surface. The mould tool is configured to turn between a first configuration and a second configuration, wherein in the first configuration the first mould surface is facing substantially upwards, and in the second configuration the second mould surface is facing substantially upwards.

公开(公告)号：US20220111561A1

公开(公告)日：2022-04-14

申请号：US17428684

申请日：2020-02-14

Applicant: LM WIND POWER A/S

Inventor： Johnny ERIKSEN ,  Silviu Gabriel HANACHIUC ,  Poul JAKOBSEN

IPC: B29C33/30 ,  B29C70/54 ,  B29C33/20

Abstract: A mould aligner is used to align and lock a first mould and a second mould for moulding shell parts of a wind turbine blade. The mould aligner includes a first alignment segment configured to be attached to a first mould and a second alignment segment configured to be attached to a second mould. The second alignment segment includes a hydraulic cylinder having a barrel and a piston rod. The piston rod is axially displaceable and rotatable with respect to the barrel. The hydraulic cylinder includes a lock part having a first rod part and a locking element being provided on the first rod part. The first rod part is configured for being received in and engaged in the locking cavity of the first alignment segment. The hydraulic cylinder includes a cylinder part comprising the barrel and a second rod part having a piston.

公开(公告)号：US20220082080A1

公开(公告)日：2022-03-17

申请号：US17475524

申请日：2021-09-15

Applicant: LM Wind Power A/S

Inventor： Gregory Walter Lorenz ,  Christopher Daniel Caruso ,  Fritz Andres Campo ,  Christopher Monk ,  Brian Scott Redmon

IPC: F03D1/06

Abstract: A method for assembling a shell section of a wind turbine blade includes providing a support, the support comprising a surface having a primary surface portion configured for supporting a first component and a secondary surface portion configured for supporting a second component. The method also includes arranging a second component on the secondary surface portion such that an outer surface of the second component is facing the secondary surface portion. The method further includes arranging a first component on the primary surface portion such that an outer surface of the first component is facing the primary surface portion, and such that a first primary joint surface of the first component is facing a second joint surface of the second component. Arranging the first component includes applying a force to the first component to force the outer surface of the first component towards the primary surface portion and the first primary joint surface towards the second joint surface.

公开(公告)号：US20210355919A1

公开(公告)日：2021-11-18

申请号：US17285863

申请日：2019-10-24

Applicant: LM WIND POWER A/S

Inventor： Mathilde AUBRION ,  Boas EIRIKSSON

IPC: F03D80/30

Abstract: Disclosed is a wind turbine blade comprising a first blade section extending along a longitudinal axis from a root end to a first end and a second blade section extending along the longitudinal axis from a second end to a tip end. The wind turbine blade comprising a spar beam configured for connecting the first blade section and the second blade section. The first blade section comprises a first down conductor and the second blade section comprises a second down conductor. The wind turbine blade comprises a conductive connector element for electrically connecting the first down conductor and the second down conductor.

公开(公告)号：US09631501B2

公开(公告)日：2017-04-25

申请号：US14130535

申请日：2012-07-06

Applicant: Martin Dahl ,  Bjarne Krab Mortensen ,  Morten Olesen

Inventor： Martin Dahl ,  Bjarne Krab Mortensen ,  Morten Olesen

IPC: F03D11/00 ,  F01D5/28 ,  B29C70/54 ,  F03D1/06 ,  B29C70/02 ,  B32B27/08 ,  B29L31/08 ,  B32B15/14

CPC classification number: F01D5/282 ,  B29C70/021 ,  B29C70/547 ,  B29L2031/082 ,  B32B15/14 ,  B32B27/08 ,  B32B2262/103 ,  B32B2262/106 ,  B32B2603/00 ,  F03D1/0675 ,  F05B2280/10 ,  F05B2280/2006 ,  F05B2280/6003 ,  F05B2280/6013 ,  F05D2300/603 ,  F05D2300/6034 ,  F05D2300/614 ,  Y02E10/721 ,  Y02P70/523

Abstract: Wind turbine blade has a longitudinal direction and includes a shell structure made of a fiber-reinforced polymer material including a polymer matrix and reinforcement material comprising a plurality of carbon fiber layers embedded in the polymer matrix. At least a portion of the shell structure is formed of a laminate 6 comprising at least one metal filament layer 15, 18 comprising metal filaments and being sandwiched between two carbon fiber layers 16, 16; 17, 18 comprising carbon fibers only. The carbon fiber layers are arranged contiguously with the metal filament layer.