Pendulum mass damper
    1.
    发明授权

    公开(公告)号:US12031352B2

    公开(公告)日:2024-07-09

    申请号:US17612307

    申请日:2020-05-20

    Inventor: Svend Ole Hansen

    Abstract: A pendulum mass damper is directed to damping oscillation of tall buildings, towers or similar flexible structures requiring a low frequency tuned mass damper (TMD) for reducing a e.g. wind or earthquake induced displacement response of the structure. A mass (1) is balanced by a first spring system (2a, 2b, 2c) and supported by a carrying part (4) to maintain a vertical position, the carrying part (4) carrying the mass in the vertical direction extends between the mass and a position (C) below the mass, i.e. the weight of the mass is carried or supported from or at a point or level below the mass, wherein the mass at the position (C) below the mass is fixed and/or connected to a unit (5) constituting a base of a supporting system for the mass which unit is floating i.e. the unit can move either horizontally or both horizontally and vertically.

    DAMPER FOR A WIND TURBINE
    2.
    发明公开

    公开(公告)号:US20240167531A1

    公开(公告)日:2024-05-23

    申请号:US17773487

    申请日:2020-11-12

    CPC classification number: F16F7/1034 F03D80/88 F05B2260/964

    Abstract: A damper for damping movements of a wind turbine, in particular for damping oscillatory movements of a tower of the wind turbine is provided. The damping of the movements is achieved by an aqueous liquid contained in a container of the damper. The aqueous liquid includes water and the components included in the aqueous liquid are completely dissolved. The composition includes a citrate, e. g. potassium citrate and/or sodium citrate. A wind turbine including the damper is also provided. Finally, a specific composition is provided. The composition is destined to be dissolved, e. g. in water, to result in the aqueous liquid.

    Damping device and wind turbine generator system

    公开(公告)号:US11946453B2

    公开(公告)日:2024-04-02

    申请号:US17907130

    申请日:2020-09-10

    CPC classification number: F03D7/0296 F05B2260/964

    Abstract: A damping device and a wind turbine generator system comprising the damping device. The damping device comprises: damping components; structural supports, the structural supports connecting the damping components to a mass block provided on an object to be damped, each structural support comprising a gear, and the gear being rotatably provided on the structural support; and guide rails, wherein each guide rail has a predetermined curvature, each guide rail has a first end used for being rotatably connected to the object to be damped and a second end supported on the corresponding structural support, a tooth portion engaged with a gear is formed on a side portion of each guide rail, and when the mass block swings, the swing of the mass block is converted into transmission by means of the engagement transmission between the guide rail and the gear for input into the corresponding damping component.

    Fan assembly
    9.
    发明授权

    公开(公告)号:US09976571B2

    公开(公告)日:2018-05-22

    申请号:US14967963

    申请日:2015-12-14

    Inventor: Chia-Chen Lee

    CPC classification number: F04D29/668 F04D19/007 F04D29/646 F05B2260/964

    Abstract: The disclosure provides a fan assembly for connecting the first fan to the second fan. The fan assembly includes at least one fastening member. Each of the first fan and the second fan includes a first flange and a second flange and a body interconnecting the first flange and the second flange, the fastening member includes a locating column and an elastic element. The elastic element is held between the first flange of the first fan and the second flange of the second fan, the locating column passes through the elastic element, the first flange of the first fan, and the second flange of the second fan, to connect the first fan to the second fan.

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