Wind turbine blade assembly
    2.
    发明授权

    公开(公告)号:US11506182B2

    公开(公告)日:2022-11-22

    申请号:US17049408

    申请日:2019-04-17

    Abstract: A wind turbine blade assembly comprising: a first wind turbine blade portion having a first attachment portion and a first metallic plate, a second wind turbine blade portion having a second attachment portion and a second metallic plate, and at least one tension member for coupling to the first and second attachment portions to join the first wind turbine blade portion to the second wind turbine blade portion, wherein the first and second metallic plates are configured to abut in compression due to tension in the tension member when the first wind turbine blade portion is joined to the second wind turbine blade portion with the at least one tension member. Also, a method of joining blade portions to construct a blade.

    A METHOD OF BALANCING TURBINE BLADES

    公开(公告)号:US20210277874A1

    公开(公告)日:2021-09-09

    申请号:US17261236

    申请日:2019-07-19

    Inventor: Anton Bech

    Abstract: There is disclosed a method of balancing a set of first and second modular blade sections for a set of blades of a rotor of a wind turbine. The method comprises determining a mass moment of the first and second blade sections, the mass moment being deter-mined about an axis equivalent to an axis of rotation of a hub of the turbine when the blade section is assembled onto the hub. A plurality of blade section groups 10 are defined, each comprising a first blade section of the set and at least one second blade section of the set, each blade section group having a blade section group mass moment about the axis. The first blade section and the at least one second blade section in each group are selected so as to satisfy a minimised total ballast condition, to minimise balancing ballast to be added to the set as a whole, or a minimised 15 ballasting difference condition, to minimise the difference in balancing ballast added to different blades, or both.

    Joint for connecting a wind turbine rotor blade to a rotor hub and associated methods

    公开(公告)号:US11022093B2

    公开(公告)日:2021-06-01

    申请号:US16473757

    申请日:2017-12-13

    Inventor: Anton Bech

    Abstract: A wind turbine rotor blade includes an elongate body having a root end configured to be coupled to a rotor hub of a wind turbine. The rotor blade further includes a connection joint at the root end for connecting the rotor blade to the rotor hub. The connection joint includes a plurality of connecting elements integrated into the root end of the rotor blade and including an eye that defines a bore through the root end of the rotor blade. The connecting elements may be formed from folded fiber rovings wherein the fold forms the eye. A method of making a rotor blade having the connecting element integrated therein, and a method of making the connecting elements are also disclosed.

    Manufacture of wind turbine blades

    公开(公告)号:US10786952B2

    公开(公告)日:2020-09-29

    申请号:US15777271

    申请日:2016-11-23

    Inventor: Anton Bech

    Abstract: A method of making a wind turbine blade is described. The blade comprises an outer shell having a laminate structure. The method comprises providing a blade mould (82) defining a shape of at least part of the outer shell of the blade. The mould extends in a spanwise direction between a root end (94) and a tip end (96), and extends in a chordwise direction between a leading edge (90) and a trailing edge (92). The method further includes providing a plurality of dry plies (66) comprising dry structural fibrous material and a plurality of prepreg (68) plies comprising structural fibrous material impregnated with resin. The plurality of dry plies and the plurality of prepreg plies are arranged in the mould to form a plurality of layers of the laminate structure of the outer shell of the blade. The plies are arranged in the mould such that the dry plies are interleaved with the prepreg plies to form a hybrid shell structure in which the plies are arranged in a staggered relationship such that corresponding edges of the dry plies are offset from one another in the spanwise and/or chordwise direction of the mould and/or corresponding edges of the prepreg plies are offset from one another in the spanwise and/or chordwise direction of the mould.

    HUB FOR A WIND TURBINE AND A METHOD FOR FABRICATING THE HUB
    7.
    发明申请
    HUB FOR A WIND TURBINE AND A METHOD FOR FABRICATING THE HUB 审中-公开
    一种风力发电机组和一种用于制造集束的方法

    公开(公告)号:US20170067441A1

    公开(公告)日:2017-03-09

    申请号:US15355384

    申请日:2016-11-18

    Abstract: A hub for a wind turbine and a method for fabricating the hub are disclosed. The hub comprises a continuous shell forming a hollow body with a main shaft flange adapted to connect the hub to a main shaft, and one or more blade flanges, each blade flange being adapted to connect the hub to a wind turbine blade. The hub further comprises at least two hub parts, each hub part being casted separately from a castable material, and each hub part being subsequently connected to at least one other hub part via one or more connecting portions, so that at least one blade flange and/or the main shaft flange comprises a section forming part of or being attached to one of the hub parts and a section forming part of or being attached to another hub part, thereby ensuring that the casted parts have a size and a weight which are manageable during the manufacture, in particular during the casting. The hub may comprise one or more reinforcement elements arranged at or near the blade flange(s), e.g., comprising an inner wall arranged at a distance to the continuous shell, thereby forming a cavity between the inner wall and the continuous shell. This allows the regions between the blade flanges to be small or narrow, thereby reducing the size and weight of the hub, while maintaining a sufficient strength and stiffness of these regions.

    Abstract translation: 公开了一种用于风力涡轮机的轮毂和用于制造轮毂的方法。 轮毂包括形成中空体的连续壳体,其具有适于将轮毂与主轴连接的主轴凸缘和一个或多个叶片凸缘,每个叶片凸缘适于将轮毂连接到风力涡轮机叶片。 轮毂还包括至少两个轮毂部分,每个轮毂部分与可浇铸材料分开铸造,并且每个轮毂部分随后经由一个或多个连接部分连接到至少一个其它轮毂部分,使得至少一个叶片凸缘和 /或主轴法兰包括形成轮毂部件中的一个或连接到轮毂部件中的一个的部分,以及形成一个或另一个轮毂部分的部分,从而确保铸件具有可管理的尺寸和重量 在制造过程中,特别是在铸造过程中。 轮毂可以包括布置在叶片凸缘处或附近的一个或多个加强元件,例如包括布置在连续壳体一定距离处的内壁,从而在内壁和连续壳体之间形成空腔。 这允许叶片凸缘之间的区域小或窄,从而减小轮毂的尺寸和重量,同时保持这些区域的足够的强度和刚度。

    TRANSPORT AND STACKING OF WIND TURBINE BLADES
    8.
    发明申请
    TRANSPORT AND STACKING OF WIND TURBINE BLADES 有权
    风力涡轮机叶片的运输和堆放

    公开(公告)号:US20160221488A1

    公开(公告)日:2016-08-04

    申请号:US15022063

    申请日:2014-09-09

    CPC classification number: B60P3/40 F03D13/40 Y02E10/72

    Abstract: An aspect of the invention involves a method of transporting a blade for a wind turbine generator, the method comprising attaching a blade root support frame to a root flange of the blade and attaching a blade spanwise support frame to a spanwise portion of the blade as well as connecting a first wheel base to the spanwise support frame, and connecting a transport unit to the root support frame, where the transport unit includes a carrying structure and a second wheel base with at least one axle and two wheels, and where the transport unit before being connected to the root support frame, is moved into a position partly underneath the blade root, and where the second wheel base is underneath the blade and the carrying structure is underneath the root support frame. As the transport unit is moved into a position underneath the blade, such that the second wheel base is underneath the blade and the carrying structure is underneath the root support frame, the load from the root end of the blade is distributed between a truck or tractor, which is used for the transport, and the second wheel base, which lowers the axle pressure of the truck or tractor. Moreover, as the carrying structure is underneath the root support frame, only vertical load may be applied from the transport unit, such that forces and torque applied on the blade are substantially decreased compared to the known art. A second aspect involves that blades may be stacked by use of the support frames without use of further equipment.

    Abstract translation: 本发明的一个方面涉及一种运输用于风力涡轮发电机的叶片的方法,所述方法包括将叶片根部支撑框架附接到叶片的根部凸缘并且将叶片翼展方向支撑框架连接到叶片的翼展方向部分 将第一轮基座连接到翼展支撑框架上,以及将运输单元连接到根部支撑框架上,其中运输单元包括承载结构和具有至少一个轴和两个车轮的第二轮底座,并且其中运输单元 在连接到根支撑框架之前,被移动到叶片根部的部分下方的位置,并且其中第二轮基座在叶片的下方,并且承载结构位于根部支撑框架的下方。 当运输单元移动到叶片下方的位置时,使得第二轮底座位于叶片下方,并且承载结构位于根部支撑框架的下方,来自叶片根部的负载分布在卡车或拖拉机之间 ,用于运输,第二轮底座降低了卡车或拖拉机的车轴压力。 此外,由于承载结构位于根部支撑框架的下面,所以只能从传送单元施加垂直载荷,使得与已知技术相比施加在叶片上的力和扭矩显着降低。 第二方面涉及通过使用支撑框架而不使用其他设备来堆叠叶片。

    Wind turbine blade
    9.
    发明授权

    公开(公告)号:US11920556B2

    公开(公告)日:2024-03-05

    申请号:US17311806

    申请日:2019-12-12

    Inventor: Anton Bech

    CPC classification number: F03D1/0675 F05B2240/302 F05B2260/30

    Abstract: A wind turbine blade includes a first blade portion and a second blade portion coupled together by a connection joint. A first spar cap is associated with an upper shell half and a second spar cap is associated with the lower shell half of each of the first and second blade portions. A shear web extends between the first spar cap and the second spar cap of each of the first and second blade portions. The shear web is terminated away from a joint interface at which the first and second blade portions meet, and there is no shear web extending in a longitudinal direction across the joint interface. The shear web extending between the first spar cap and the second spar cap is branched in the longitudinal direction toward the first and second blade interfaces of the first and second blade portions respectively.

    Method of installing a rotor on a wind turbine, a rotor hub and counterweight assembly, and a lifting apparatus connecting member

    公开(公告)号:US11434868B2

    公开(公告)日:2022-09-06

    申请号:US17263227

    申请日:2019-07-25

    Abstract: A method of installing a rotor on a nacelle (44) on a wind turbine generally includes providing a rotor hub counterweight assembly (10, 10′) which are rotated and lifted from a downtower location to an uptower location at which wind turbine blades (50, 52, 54) are progressively attached and the counterweights (14, 16), (14′, 16′) are progressively removed. The rotor hub and counterweight assembly (10, 10′) for use when installing a rotor on a wind turbine (46) generally includes a rotor hub (12) having first, second and third flanges (18, 20, 22), a first counterweight (14, 14′), a second counterweight (16, 16′), and a lifting apparatus connecting member (26, 26′). A lifting apparatus connecting member (26) is configured with at least two connection points (60, 62) being configured for allowing at least two of three operations including installation, rotating and lifting the rotor hub (12), and removal of the lifting apparatus connecting member (26′).

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