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    • 8. 发明公开
    • Method for lubricating at least one bearing of a wind turbine
    • Verfahren zum Schmieren von mindestens einem Lager einer Windturbine
    • EP2551578A1
    • 2013-01-30
    • EP11175581.5
    • 2011-07-27
    • Siemens Aktiengesellschaft
    • Bauer, OtoEsbensen, Thomas
    • F16N29/02F16N29/04F03D11/00
    • F16N29/02F03D80/70F05B2260/79F05B2260/98F16N29/04F16N2210/025F16N2250/30Y02E10/72
    • Method for lubricating at least one bearing of a wind turbine, particularly a variable-pitch wind turbine, the wind turbine (1) comprising a rotor hub (2) having a number of rotor blades (4), with each rotor blade being rotatably supported to the rotor hub by at least one blade pitch bearing, and a number of further bearings (6,7) allowing a rotatable support of at least two components of the wind turbine relative to each other,
      the method comprising the steps of
      - determining the state of lubrication of at least one of the further bearings by a lubrication detection device generating at least one lubrication information signal indicating a degree of lubrication of at least one respective further bearing by measuring the electrical capacitance and/or resistance of the respective further bearing, and
      - actuating at least one bearing lubricating device to perform at least one action to lubricate the respective further bearing, if the lubrication information signal indicates that the respective further bearing is not sufficiently lubricated.
    • 用于润滑风力涡轮机,特别是可变桨距风力涡轮机的至少一个轴承的方法,所述风力涡轮机(1)包括具有多个转子叶片(4)的转子轮毂(2),每个转子叶片可旋转地支撑 通过至少一个叶片变桨轴承和多个允许风力涡轮机的至少两个部件的可旋转支撑的另外的轴承(6,7)连接到转子轮毂,该方法包括以下步骤: - 确定 通过润滑检测装置润滑至少一个另外的轴承的状态,通过测量相应的其它轴承的电容和/或电阻,产生表示至少一个相应的另一轴承的润滑程度的至少一个润滑信息信号, 以及 - 如果所述润滑信息信号指示所述至少一个轴承润滑装置执行至少一个动作以润滑相应的另一轴承,则致动至少一个轴承润滑装置 进一步的轴承没有充分润滑。
    • 10. 发明公开
    • Wind turbine comprising a thermal management system
    • Windenergieanlage mit einemWärmehaushaltssystem
    • EP2088316A2
    • 2009-08-12
    • EP09150838.2
    • 2009-01-19
    • General Electric Company
    • Bagepalli, Bharat S.Feree, Andrew T.
    • F03D11/02
    • F03D80/70F03D80/60F05B2260/98F16N2210/025Y02E10/72
    • A thermal management system and wind turbine (100) are provided comprising a gearbox (136) containing a lubrication medium and a pump (310) for circulating the lubrication medium. A gearbox lubrication suction pipe (410, 910) is used for transporting the lubrication medium from the gearbox (136) to the pump (310). At least one pump outlet pipe (350) can be used for transporting the lubrication medium from the pump (310) to other components of the wind turbine. A thermal wrap (420, 520, 720, 820, 920) is in thermal connection to, at least a portion of, at least one of, the gearbox (136), pump (310), gearbox lubrication suction pipe (410, 910) and pump outlet pipe (350). The thermal wrap (420, 520, 720, 820, 920) is used to heat or cool, at least a portion of, the lubrication medium.
    • 提供了一种热管理系统和风力涡轮机(100),其包括容纳润滑介质的齿轮箱(136)和用于循环润滑介质的泵(310)。 齿轮箱润滑吸入管(410,910)用于将润滑介质从齿轮箱(136)输送到泵(310)。 至少一个泵出口管(350)可用于将润滑介质从泵(310)输送到风力涡轮机的其它部件。 传热层(420,520,720,820,920)与齿轮箱(136),泵(310),齿轮箱润滑吸入管(410,910)中的至少一个的至少一部分热连接 )和泵出口管(350)。 热封(420,520,720,820,920)用于加热或冷却润滑介质的至少一部分。