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公开(公告)号：US20090297339A1
公开(公告)日：2009-12-03
申请号：US12129280
申请日：2008-05-29
IPC分类号： F01D17/14
CPC分类号： F04D25/16 , F01D9/02 , F02C9/18 , F04D25/04 , F05D2220/3216
摘要： A turbomachine includes a compressor and an ejector. The ejector includes at least one nozzle having a first end portion that extends to a second end portion defining a flow region. The second end portion includes a variable outlet for controlling an airflow from the compressor.
摘要翻译： 涡轮机包括压缩机和喷射器。 喷射器包括至少一个喷嘴，其具有延伸到限定流动区域的第二端部的第一端部部分。 第二端部包括用于控制来自压缩机的气流的可变出口。
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公开(公告)号：US08523515B2
公开(公告)日：2013-09-03
申请号：US12946259
申请日：2010-11-15
CPC分类号： F03D1/0683 , F03D1/0675 , F05B2240/301 , F05B2260/96 , Y02E10/721
摘要： A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade further includes a noise reducer configured on a surface of the rotor blade, the noise reducer comprising a plurality of serrations, each of the plurality of serrations defining a centerline. The centerline of each of the plurality of serrations defines a individual tailored angle dependent on at least one of span-wise location, local chord, width, length, bend angle, and thickness.
摘要翻译： 公开了一种用于风力涡轮机的转子叶片组件。 转子叶片组件包括具有限定压力侧，吸力侧，前缘和在尖端和根部之间延伸的后缘的表面的转子叶片。 转子叶片还包括构造在转子叶片的表面上的减噪器，所述降噪器包括多个锯齿，所述多个锯齿中的每一个限定中心线。 多个锯齿中的每一个的中心线根据跨度位置，局部弦，宽度，长度，弯曲角度和厚度中的至少一个来定义单独的裁切角度。
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公开(公告)号：US08267657B2
公开(公告)日：2012-09-18
申请号：US12970119
申请日：2010-12-16
IPC分类号： F04D29/38
CPC分类号： F03D1/0675 , F03D80/00 , F05B2250/183 , F05B2260/96 , Y02E10/721
摘要： A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade assembly further includes a noise reducer configured on a surface of the rotor blade. The noise reducer includes a plurality of noise reduction features and a plurality of auxiliary noise reduction features. Each of the plurality of auxiliary noise reduction features is configured on one of the plurality of noise reduction features.
摘要翻译： 公开了一种用于风力涡轮机的转子叶片组件。 转子叶片组件包括具有限定压力侧，吸力侧，前缘和在尖端和根部之间延伸的后缘的表面的转子叶片。 转子叶片组件还包括构造在转子叶片的表面上的减噪器。 降噪器包括多个降噪特征和多个辅助降噪特征。 多个辅助降噪特征中的每一个被配置在多个降噪特征中的一个上。
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公开(公告)号：US20120141250A1
公开(公告)日：2012-06-07
申请号：US13251628
申请日：2011-10-03
IPC分类号： F04D29/54
CPC分类号： F03D1/04 , F05B2240/12 , F05B2240/133 , F05B2250/311 , Y02E10/72
摘要： A shroud for a wind turbine and a method for modifying performance of a wind turbine are disclosed. The wind turbine includes a rotor mounted to a nacelle, the rotor including a plurality of rotor blades and defining an outer diameter. The shroud is positioned downstream of the rotor in an air flow direction, and has an inner diameter of less than the outer diameter of the rotor.
摘要翻译： 公开了一种用于风力涡轮机的护罩和用于改进风力涡轮机性能的方法。 风力涡轮机包括安装到机舱的转子，转子包括多个转子叶片并限定外径。 护罩位于转子的空气流动方向的下游，并具有小于转子外径的内径。
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5.发明申请SYSTEM AND METHODS FOR CONTROLLING THE AMPLITUDE MODULATION OF NOISE GENERATED BY WIND TURBINES 有权用于控制由风力涡轮机产生的噪声的振幅调制的系统和方法公开(公告)号：US20120025530A1
公开(公告)日：2012-02-02
申请号：US13173703
申请日：2011-06-30
IPC分类号： H02P9/02
CPC分类号： H02P9/04 , F03D7/0296 , F03D7/048 , F05B2260/962 , F05B2270/326 , Y02E10/723 , Y02E10/726
摘要： In one aspect, a method for controlling the amplitude modulation of the noise generated by wind turbines is disclosed. The method may include determining a rotor position of a first wind turbine, determining a rotor position of a second wind turbine, determining if the first and second wind turbines are operating in-phase and, in the event that the first and second wind turbines are operating in-phase, adjusting an operating condition of at least one of the first wind turbine and the second wind turbine so that the first and second wind turbines operate out-of-phase.
摘要翻译： 一方面，公开了一种用于控制由风力涡轮机产生的噪声的幅度调制的方法。 该方法可以包括确定第一风力涡轮机的转子位置，确定第二风力涡轮机的转子位置，确定第一和第二风力涡轮机是否同相运行，并且在第一和第二风力涡轮机是 调节第一风力涡轮机和第二风力涡轮机中的至少一个的操作状态，使得第一和第二风力涡轮机异步运行。
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公开(公告)号：US20110142666A1
公开(公告)日：2011-06-16
申请号：US12946259
申请日：2010-11-15
IPC分类号： F03D11/00
CPC分类号： F03D1/0683 , F03D1/0675 , F05B2240/301 , F05B2260/96 , Y02E10/721
摘要： A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade further includes a noise reducer configured on a surface of the rotor blade, the noise reducer comprising a plurality of serrations, each of the plurality of serrations defining a centerline. The centerline of each of the plurality of serrations defines a individual tailored angle dependent on at least one of span-wise location, local chord, width, length, bend angle, and thickness
摘要翻译： 公开了一种用于风力涡轮机的转子叶片组件。 转子叶片组件包括具有限定压力侧，吸力侧，前缘和在尖端和根部之间延伸的后缘的表面的转子叶片。 转子叶片还包括构造在转子叶片的表面上的减噪器，所述降噪器包括多个锯齿，所述多个锯齿中的每一个限定中心线。 多个锯齿中的每一个的中心线限定取决于跨度位置，局部弦，宽度，长度，弯曲角度和厚度中的至少一个的单独定制的角度
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7.发明授权Controlling noise generated by wind turbines in a wind farm by de-synchronization of wind turbine rotors 有权通过风力发电机转子的同步来控制风力发电场中风力发电机产生的噪声公开(公告)号：US08232663B2
公开(公告)日：2012-07-31
申请号：US13173703
申请日：2011-06-30
IPC分类号： F03D9/00
CPC分类号： H02P9/04 , F03D7/0296 , F03D7/048 , F05B2260/962 , F05B2270/326 , Y02E10/723 , Y02E10/726
摘要： In one aspect, a method for controlling the amplitude modulation of the noise generated by wind turbines is disclosed. The method may include determining a rotor position of a first wind turbine, determining a rotor position of a second wind turbine, determining if the first and second wind turbines are operating in-phase and, in the event that the first and second wind turbines are operating in-phase, adjusting an operating condition of at least one of the first wind turbine and the second wind turbine so that the first and second wind turbines operate out-of-phase.
摘要翻译： 一方面，公开了一种用于控制由风力涡轮机产生的噪声的幅度调制的方法。 该方法可以包括确定第一风力涡轮机的转子位置，确定第二风力涡轮机的转子位置，确定第一和第二风力涡轮机是否同相运行，并且在第一和第二风力涡轮机是 调节第一风力涡轮机和第二风力涡轮机中的至少一个的操作状态，使得第一和第二风力涡轮机异步运行。
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8.发明申请METHODS FOR CONTROLLING THE AMPLITUDE MODULATION OF NOISE GENERATED BY WIND TURBINES 有权用于控制风力涡轮机产生的噪声振幅调制的方法公开(公告)号：US20120027592A1
公开(公告)日：2012-02-02
申请号：US13176144
申请日：2011-07-05
IPC分类号： F03D7/00
CPC分类号： F03D7/0224 , F03D1/0608 , F03D7/0296 , F05B2260/962 , F05B2270/328 , F05B2270/333 , F05B2270/404 , F05B2270/504 , Y02E10/721 , Y02E10/723
摘要： In one aspect, a method for controlling the amplitude modulation of noise generated by a wind turbine is disclosed. The method may generally include determining an angle of attack of a rotor blade of a wind turbine and maintaining the angle of attack at a substantially constant value during rotation of the rotor blade in order to reduce the amplitude modulation of the noise generated by the wind turbine.
摘要翻译： 一方面，公开了一种用于控制由风力涡轮机产生的噪声的振幅调制的方法。 该方法通常可以包括确定风力涡轮机的转子叶片的迎角，并且在转子叶片旋转期间将迎角维持在基本上恒定的值，以便减小由风力涡轮机产生的噪声的振幅调制 。
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公开(公告)号：US09115699B2
公开(公告)日：2015-08-25
申请号：US13406875
申请日：2012-02-28
CPC分类号： F03D11/0041 , F03D80/10 , Y02E10/721 , Y02E10/722
摘要： A rotor blade for a wind turbine is disclosed. The rotor blade may generally include a body extending between a blade root and a blade tip. The body may include a pressure side and a suction side extending between a leading edge and a trailing edge. In addition, the rotor blade may include a nozzle mounted on or within the body. The nozzle may include an inlet, an outlet and a converging section between the inlet and the outlet. The converging section may be configured to accelerate a flow of air through the nozzle such that an ultrasonic sound emission is produced.
摘要翻译： 公开了一种用于风力涡轮机的转子叶片。 转子叶片通常可以包括在叶片根部和叶片尖端之间延伸的主体。 主体可以包括在前缘和后缘之间延伸的压力侧和吸力侧。 此外，转子叶片可以包括安装在主体上或内部的喷嘴。 喷嘴可以包括入口，出口和入口和出口之间的会聚部分。 会聚部分可以被配置为加速空气流过喷嘴，使得产生超声波发射。
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公开(公告)号：US08317469B2
公开(公告)日：2012-11-27
申请号：US13251628
申请日：2011-10-03
IPC分类号： F03D11/00
CPC分类号： F03D1/04 , F05B2240/12 , F05B2240/133 , F05B2250/311 , Y02E10/72
摘要： A shroud for a wind turbine and a method for modifying performance of a wind turbine are disclosed. The wind turbine includes a rotor mounted to a nacelle, the rotor including a plurality of rotor blades and defining an outer diameter. The shroud is positioned downstream of the rotor in an air flow direction, and has an inner diameter of less than the outer diameter of the rotor.
摘要翻译： 公开了一种用于风力涡轮机的护罩和用于改进风力涡轮机性能的方法。 风力涡轮机包括安装到机舱的转子，转子包括多个转子叶片并限定外径。 护罩位于转子的空气流动方向的下游，并具有小于转子外径的内径。
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