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公开(公告)号：US11268489B2
公开(公告)日：2022-03-08
申请号：US16269469
申请日：2019-02-06
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Thierry Pascal Maeder , Roger Drobietz
IPC: F03D1/06
Abstract: A wind turbine blade includes a trailing edge including a radially inboard portion and a radially outboard portion opposite the radially inboard portion and a retrofit system coupled to the trailing edge. The retrofit system includes a mounting structure for coupling the retrofit system to the trailing edge and at least one serrated portion extending at least partially along the mounting structure. The serrated portion includes at least one substantially acoustically absorbent material. A method for reducing noise emission from a wind turbine blade including a trailing edge and retrofit system is also disclosed.
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公开(公告)号：US09658124B2
公开(公告)日：2017-05-23
申请号：US14533566
申请日：2014-11-05
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Benoit Philippe Petitjean , Pratish Patil
Abstract: A method for determining a flow condition includes disposing a plurality of sensors on a surface and receiving a first sensor signal and a second sensor signal from the plurality of sensors. The method further includes determining at least one correlation parameter based on the first sensor signal and the second sensor signal. The method also includes receiving a plurality of stored parameters from a database, wherein each of the plurality of stored parameters is representative of a corresponding flow condition. The method also includes comparing the at least one correlation parameter with the plurality of stored parameters and selecting at least one matching stored parameter and determining a matching flow condition based on the at least one matching stored parameter.
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公开(公告)号：US10240576B2
公开(公告)日：2019-03-26
申请号：US14952041
申请日：2015-11-25
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Thierry Pascal Maeder , Roger Drobietz
IPC: F03D1/06
Abstract: A wind turbine blade includes a trailing edge including a radially inboard portion and a radially outboard portion opposite the radially inboard portion. The trailing edge further includes at least one serrated portion extending at least partially between the radially inboard portion and the radially outboard portion. The serrated portion includes at least one substantially acoustically absorbent material.
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公开(公告)号：US20170145990A1
公开(公告)日：2017-05-25
申请号：US14952041
申请日：2015-11-25
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Thierry Pascal Maeder , Roger Drobietz
CPC classification number: F03D1/0641 , F05B2260/964 , Y02E10/721
Abstract: A wind turbine blade includes a trailing edge including a radially inboard portion and a radially outboard portion opposite the radially inboard portion. The trailing edge further includes at least one serrated portion extending at least partially between the radially inboard portion and the radially outboard portion. The serrated portion includes at least one substantially acoustically absorbent material.
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公开(公告)号：US09593670B2
公开(公告)日：2017-03-14
申请号：US14266108
申请日：2014-04-30
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Benoit Philippe Petitjean , Jorge Alejandro Carretero Benignos , Akil Abbas Rangwalla , Pratish Patil
IPC: F03D7/02
CPC classification number: F03D7/0296 , F05B2260/96 , F05B2270/303 , Y02E10/723
Abstract: A method for reducing noise generated by a wind turbine includes measuring a reference temperature of the wind turbine. The method also includes regulating a trailing edge surface temperature of a trailing edge portion of a rotor blade attached to the wind turbine. In addition, the method includes measuring the trailing edge surface temperature. Further, the method includes regulating the trailing edge surface temperature to maintain a predetermined temperature differential between the reference temperature and the trailing edge surface temperature.
Abstract translation: 一种用于降低由风力涡轮机产生的噪声的方法包括测量风力涡轮机的基准温度。 该方法还包括调节附接到风力涡轮机的转子叶片的后缘部分的后缘表面温度。 另外，该方法包括测量后缘表面温度。 此外，该方法包括调节后缘表面温度以保持基准温度和后缘表面温度之间的预定温度差。
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Patent Agency Ranking
公开(公告)号：US20140093380A1
公开(公告)日：2014-04-03
申请号：US13644130
申请日：2012-10-03
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Roger Drobietz , Thierry Pascal Maeder , Gowri Sengundermudaliar , Lorenz Edwin Drack , Andreas Herrig , Christian A. Carroll
IPC: F03D1/06
CPC classification number: F03D1/0641 , F03D1/0683 , F05B2240/301 , F05B2260/962 , Y02E10/721
Abstract: Rotor blade assemblies for wind turbines and methods for reducing rotor blade noise are disclosed. A rotor blade assembly includes a rotor blade having external 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 defines a span and a chord. The rotor blade assembly further includes a tab. The tab includes an inner surface, an outer surface, a forward end and an aft end. The inner surface is mounted to one of the pressure side or the suction side. The outer surface has a cross-sectional profile configured to modify an operational value of the rotor blade at the trailing edge. The forward end is disposed within the chord.
Abstract translation: 公开了用于风力涡轮机的转子叶片组件以及用于降低转子叶片噪声的方法。 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外表面的转子叶片。 转子叶片进一步限定跨度和弦。 转子叶片组件还包括翼片。 突片包括内表面，外表面，前端和后端。 内表面安装在压力侧或吸力侧之一。 外表面具有构造成在后缘修改转子叶片的操作值的横截面轮廓。 前端设置在和弦之内。
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公开(公告)号：US20190170114A1
公开(公告)日：2019-06-06
申请号：US16269469
申请日：2019-02-06
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Thierry Pascal Maeder , Roger Drobietz
IPC: F03D1/06
Abstract: A wind turbine blade includes a trailing edge including a radially inboard portion and a radially outboard portion opposite the radially inboard portion and a retrofit system coupled to the trailing edge. The retrofit system includes a mounting structure for coupling the retrofit system to the trailing edge and at least one serrated portion extending at least partially along the mounting structure. The serrated portion includes at least one substantially acoustically absorbent material. A method for reducing noise emission from a wind turbine blade including a trailing edge and retrofit system is also disclosed.
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公开(公告)号：US09677537B2
公开(公告)日：2017-06-13
申请号：US13852562
申请日：2013-03-28
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Thierry Pascal Maeder , Gowri Jaganathan Sengundermudaliar , Karthickprabu Vijayakumar
CPC classification number: F03D1/0633 , F05B2240/30 , F05B2260/96 , Y02E10/721 , Y10T29/49337 , Y10T156/10
Abstract: A wind blade is provided that includes a primary blade body defining a leading edge and a trailing edge and further defining a pressure side and a suction side joining along the trailing edge. The wind blade also includes a secondary blade having an aerodynamic contour defining a first surface and a second surface and coupled with the primary blade body for the purpose of shielding noise. The secondary blade body is disposed proximate to at least a portion of the trailing edge on at least one of the pressure side and the suction side of the primary blade body and may also improve overall performance of the wind blade.
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公开(公告)号：US20160123307A1
公开(公告)日：2016-05-05
申请号：US14533566
申请日：2014-11-05
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Benoit Philippe Petitjean , Pratish Patil
Abstract: A method for determining a flow condition includes disposing a plurality of sensors on a surface and receiving a first sensor signal and a second sensor signal from the plurality of sensors. The method further includes determining at least one correlation parameter based on the first sensor signal and the second sensor signal. The method also includes receiving a plurality of stored parameters from a database, wherein each of the plurality of stored parameters is representative of a corresponding flow condition. The method also includes comparing the at least one correlation parameter with the plurality of stored parameters and selecting at least one matching stored parameter and determining a matching flow condition based on the at least one matching stored parameter.
Abstract translation: 用于确定流动状况的方法包括在表面上布置多个传感器，并从多个传感器接收第一传感器信号和第二传感器信号。 该方法还包括基于第一传感器信号和第二传感器信号来确定至少一个相关参数。 该方法还包括从数据库接收多个存储的参数，其中多个存储的参数中的每一个代表相应的流量条件。 该方法还包括将至少一个相关参数与多个存储的参数进行比较，并选择至少一个匹配的存储参数，并基于至少一个匹配的存储参数来确定匹配流条件。
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公开(公告)号：US20150316032A1
公开(公告)日：2015-11-05
申请号：US14266108
申请日：2014-04-30
Applicant: General Electric Company
Inventor： Lorenz Edwin Drack , Benoit Philippe Petitjean , Jorge Alejandro Carretero Benignos , Akil Abbas Rangwalla , Pratish Patil
IPC: F03D7/02
CPC classification number: F03D7/0296 , F05B2260/96 , F05B2270/303 , Y02E10/723
Abstract: A method for reducing noise generated by a wind turbine includes measuring a reference temperature of the wind turbine. The method also includes regulating a trailing edge surface temperature of a trailing edge portion of a rotor blade attached to the wind turbine. In addition, the method includes measuring the trailing edge surface temperature. Further, the method includes regulating the trailing edge surface temperature to maintain a predetermined temperature differential between the reference temperature and the trailing edge surface temperature.
Abstract translation: 一种用于降低由风力涡轮机产生的噪声的方法包括测量风力涡轮机的基准温度。 该方法还包括调节附接到风力涡轮机的转子叶片的后缘部分的后缘表面温度。 另外，该方法包括测量后缘表面温度。 此外，该方法包括调节后缘表面温度以保持基准温度和后缘表面温度之间的预定温度差。
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