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公开(公告)号：US20220307465A1
公开(公告)日：2022-09-29
申请号：US17606425
申请日：2020-04-24
Applicant: BLADE DYNAMICS LIMITED , LM WIND POWER A/S
Inventor： Manish MUKHERJEE , Michael LUND-LAVERICK
Abstract: Disclosed is 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 end and a trailing edge end. A flatback profile component and web for connecting an inner surface of the lower side shell part with an inner surface of the upper side shell part are connected. The assembly which comprises the flatback profile component and the at least one web are placed on the lower shell part and the upper shell part is mounted. The wind turbine blade comprises a flatback profile component being arranged at the trailing edge, wherein the flatback profile component is coupled by at least one distance holder with at least one web, wherein the web couples the interior surface of the upwind side shell part with the interior surface of the downwind side shell part.
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公开(公告)号：US20220291101A1
公开(公告)日：2022-09-15
申请号：US17689341
申请日：2022-03-08
Applicant: LM Wind Power A/S
Inventor： Michael Wenani NIELSEN , Jesper THUESEN
Abstract: The present invention relates to a apparatus for determining at least one a bending strength of a substrate and peel strength of a joint between a structure and the substrate. The apparatus includes a fixture configured to support the structure and a plurality of support beams positioned on either sides of the fixture and configured to support the substrate. Further, the apparatus includes a plurality of load applying members, which are configured to apply load onto the substrate to deform the substrate relative to the plurality of support beams. Furthermore, the apparatus includes a sensor, which is configured to determine parameters such as axial load induced in the structure, peel stress in the joint between the substrate and the structure and bending moments on the substrate during application of load onto the substrate, to determine at least one of the bending strength and the peel strength.
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公开(公告)号：US20220186707A1
公开(公告)日：2022-06-16
申请号：US17439873
申请日：2020-03-13
Applicant: LM WIND POWER A/S
Inventor： Artur FERFECKI , Lars NIELSEN
Abstract: The present invention relates to a method for manufacturing a wind turbine blade shell part made of a fibre-reinforced composite structure, including steps of mounting a plurality of fastening devices on a mounting plate to form a root end assembly, the mounting plate comprising one or more first openings for evacuating air; arranging the root end assembly over a mould surface of a mould; arranging an air-tight cover member so as to form a mould cavity; evacuating air from the mould cavity via at least the one or more first openings of the mounting plate; and supplying a polymer into the mould cavity and allowing the polymer to cure so as to form the composite structure. A root end assembly for use in the method is also provided.
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公开(公告)号：US20220178351A1
公开(公告)日：2022-06-09
申请号：US17602865
申请日：2020-04-07
Applicant: LM Wind Power A/S
Inventor： Peter SØGAARD , Søren STEFFENSEN
Abstract: The present invention relates to a method of performing at least one post-moulding operation on a blade segment (70) of a wind turbine blade. The method comprises the providing a holding device (88) for supporting the blade segment (70) at its spar structure (62), the holding device (88) comprising a coupling member (90) for engaging the spar structure (62). The blade segment (70) is held with the holding device (88) such that the spar structure (62) of the blade segment (70) is engaged by the coupling member (90), and performing at least one post-moulding operation on the shell structure (82) of the blade segment (70).
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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
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).
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Patent Agency Ranking
公开(公告)号：US20220034305A1
公开(公告)日：2022-02-03
申请号：US17276554
申请日：2019-10-24
Applicant: LM WIND POWER A/S
Inventor： Mathilde AUBRION , Boas EIRIKSSON
Abstract: Disclosed is a wind turbine blade comprising a first blade section and a second blade section connected to the first blade section. The wind turbine blade comprises a first down conductor for conducting lightning current to ground. The blade further comprises one or more lightning receptors at or in proximity of an external surface of the wind turbine blade. A smallest distance from a first lightning receptor of the one or more lightning receptors to an interface between the first blade section and the second blade section may be less than or equal to a chord length of a chord of the wind turbine blade at the interface between the first blade section and the second blade section.
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公开(公告)号：US20220018327A1
公开(公告)日：2022-01-20
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
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.
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公开(公告)号：US20220010783A1
公开(公告)日：2022-01-13
申请号：US17295261
申请日：2019-11-20
Applicant: LM Wind Power A/S
Inventor： Lars Bo HANSEN
IPC: F03D80/30
Abstract: The invention relates to a wind turbine blade being a shell body made of a composite material and having a root end and a tip end, an outer surface, a pressure side and a suction side, a trailing edge and a leading edge, and additionally a lightning protection system. The lightning protection system comprising at least one lightning receptor provided with an outer surface arranged freely accessible in, on or at the outer surface of the blade at the tip end of the blade and a lightning conductor made of electrically conductive material extending within the shell body along substantially the entire longitudinal direction of the blade. The lightning receptor and the lightning conductor are electrically connected by means of a connection area. At least a part of the outer surface, optionally the whole of the outer surface of the receptor being freely accessible is formed of carbon such as graphite.
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公开(公告)号：US09777703B2
公开(公告)日：2017-10-03
申请号：US14131848
申请日：2012-07-20
Applicant: Jesper Madsen
Inventor： Jesper Madsen
IPC: B23P23/00 , B23P6/00 , B21D53/78 , B21K3/04 , B23P15/02 , F03D1/06 , F03D7/02 , F03D7/04 , F03D17/00 , F03D80/50
CPC classification number: F03D1/0658 , F03D1/0608 , F03D1/0633 , F03D7/0244 , F03D7/0256 , F03D7/04 , F03D17/00 , F03D80/50 , F05B2240/122 , Y02E10/721 , Y02E10/723 , Y10T29/49318
Abstract: A method of retrofitting vortex generators on a wind turbine blade is disclosed, the wind turbine blade being mounted on a wind turbine hub and extending in a longitudinal direction and having a tip end and a root end, the wind turbine blade further comprising a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The method comprises identifying a separation line on the suction side of the wind turbine blade, and mounting one or more vortex panels including a first vortex panel comprising at least one vortex generator on the suction side of the wind turbine blade between the separation line and the leading edge of the wind turbine blade.
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公开(公告)号：US20120257977A1
公开(公告)日：2012-10-11
申请号：US13364446
申请日：2012-02-02
Applicant: Lars Erik JENSEN , Hans Tommerup KNUDSEN , Jesper MADSEN
Inventor： Lars Erik JENSEN , Hans Tommerup KNUDSEN , Jesper MADSEN
CPC classification number: F03D1/0608 , F05B2240/122 , F05B2240/30 , Y02E10/721 , Y10T29/49336 , Y10T137/2087
Abstract: A vortex generator device (70) for mounting on a wind turbine blade (10) is disclosed. The device comprises: a base (71) having an inner side (72) for attaching on an exterior surface and an outer side facing away from the exterior surface. The vortex generator device is provided with at least a first vane (79, 80) protruding substantially perpendicular to the base (71) from the outer side (73), wherein the vane (79, 80) comprises a leading edge side (78) and a trailing edge side (77). The vane (79, 80) is tapered towards the leading edge side (78) of the vane (79, 80). The vane (79, 80) is additionally tapered towards the trailing edge side (77) of the vane (79, 80). Further the vane (79, 80) is tapered towards a top part of the vane (79, 80).
Abstract translation: 公开了一种用于安装在风力涡轮机叶片（10）上的涡流发生器装置（70）。 该装置包括：底座（71），其具有用于附接在外表面上的内侧（72）和背离外表面的外侧。 涡流发生器装置设置有至少一个从外侧（73）基本上垂直于基部（71）突出的第一叶片（79,80），其中叶片（79,80）包括前缘侧（78） 和后缘侧（77）。 叶片（79,80）朝向叶片（79,80）的前缘侧（78）逐渐变细。 叶片（79,80）另外向叶片（79,80）的后缘侧（77）变细。 此外，叶片（79,80）朝向叶片（79,80）的顶部部分逐渐变细。
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