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公开(公告)号：US09803617B2
公开(公告)日：2017-10-31
申请号：US14307666
申请日：2014-06-18
Applicant: General Electric Company
Inventor： Thomas Merzhaeuser , Vidyashankar Ramasastry Buravalla , Sriram Krishnamurthy , Wendy Wen-Ling Lin
IPC: F03D1/06
CPC classification number: F03D1/0675 , Y02E10/721 , Y10T29/49339
Abstract: A wind blade includes a self-supporting structural framework, having a span-wise member, a plurality of chord-wise members, a fabric skin, and at least one of a stiffener and a mechanical element. The plurality of chord-wise members is coupled to the span-wise member and each chord-wise member and the span-wise member maintains an aerodynamic contour of the wind blade. Further, the fabric skin is disposed over the self-supporting structural framework. The stiffener and/or the mechanical element are coupled to the self-supporting structural framework, and are operable to provide a relative movement to the self-supporting structural framework for adjusting the aerodynamic contour and provide pretension to the fabric skin.
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2.发明申请WIND TURBINE ROTOR BLADE WITH FABRIC SKIN AND ASSOCIATED ATTACHMENT METHOD 审中-公开风力涡轮机叶片与织物皮肤和相关附件方法公开(公告)号：US20140119933A1
公开(公告)日：2014-05-01
申请号：US13664629
申请日：2012-10-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Bharat Bagepalli , Wendy Wen-Ling Lin , Biao Fang , Fulton Jose Lopez , Sriram Krishnamurthy
IPC: F03D1/06
CPC classification number: F03D1/0675 , Y02E10/721
Abstract: A rotor blade for a wind turbine includes an internal support structure including a plurality of fixed, spaced support members extending in a chord-wise and span-wise direction and defining a generally aerodynamic contour of the rotor blade. A plurality of the support members have an outer surface with a longitudinally extending slot defined therein. A plurality of fabric strips are attached over the internal support structure in a tensioned state and define an aerodynamic outer skin. The fabric strips extend over and are attached to the support members with a longitudinally extending insert member that presses the fabric strips into the slot and lockingly engages within the slot.
Abstract translation: 用于风力涡轮机的转子叶片包括内部支撑结构，所述内部支撑结构包括沿着弦向和跨度方向延伸并限定转子叶片的大致空气动力学轮廓的多个固定的间隔开的支撑构件。 多个支撑构件具有限定在其中的纵向延伸狭槽的外表面。 多个织物条以张紧状态附接在内部支撑结构上，并且限定空气动力学外皮。 织物条延伸并且通过纵向延伸的插入件附接到支撑构件，该插入构件将织物条压入槽中并且锁定地接合在槽内。
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公开(公告)号：US20210262350A1
公开(公告)日：2021-08-26
申请号：US16799939
申请日：2020-02-25
Applicant: General Electric Company
Inventor： Paul Mathew , Sriram Krishnamurthy , Shanmuga Priyan Subramanian
Abstract: A rotor blade assembly for a wind turbine includes at least one rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The surfaces are constructed of a polymeric composite material. The rotor blade assembly also includes a protection cap arranged adjacent to one or more of the surfaces of the rotor blade so as to cover at least a portion of the one or more surfaces of the rotor blade. The protection cap includes a body defining an overall length. Further, at least a first segment of the protection cap is constructed of a tungsten-based metal. Thus, the protection cap is configured to reduce erosion and resist corrosion of the rotor blade caused by particle or liquid impact.
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公开(公告)号：US20150369210A1
公开(公告)日：2015-12-24
申请号：US14307666
申请日：2014-06-18
Applicant: General Electric Company
Inventor： Thomas Merzhaeuser , Vidyashankar Ramasastry Buravalla , Sriram Krishnamurthy , Wendy Wen-Ling Lin
CPC classification number: F03D1/0675 , Y02E10/721 , Y10T29/49339
Abstract: A wind blade includes a self-supporting structural framework, having a span-wise member, a plurality of chord-wise members, a fabric skin, and at least one of a stiffener and a mechanical element. The plurality of chord-wise members is coupled to the span-wise member and each chord-wise member and the span-wise member maintains an aerodynamic contour of the wind blade. Further, the fabric skin is disposed over the self-supporting structural framework. The stiffener and/or the mechanical element are coupled to the self-supporting structural framework, and are operable to provide a relative movement to the self-supporting structural framework for adjusting the aerodynamic contour and provide pretension to the fabric skin.
Abstract translation: 风叶片包括自支撑结构框架，其具有跨度构件，多个弦构件，织物表皮以及加强件和机械元件中的至少一个。 多个弦向构件联接到跨度构件，并且每个弦向构件和跨度构件保持风叶片的空气动力学轮廓。 此外，织物皮肤设置在自支撑结构框架上。 加强件和/或机械元件联接到自支撑结构框架，并且可操作以向自支撑结构框架提供相对运动，用于调节空气动力学轮廓并向织物皮肤提供预张力。
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公开(公告)号：US20240018683A1
公开(公告)日：2024-01-18
申请号：US18463350
申请日：2023-09-08
Applicant: General Electric Company
Inventor： Sriram Krishnamurthy , Lakshmi Krishnan , Elzbieta Kryj-Kos , Justin M. Welch
Abstract: A method for depositing a metal layer on a component includes applying an electrically conductive coating composition comprising a resin and metal particles on a coating region of the component and partially curing the resin to a gel state to form an electrically conductive coating. The method also includes applying additional metal particles to the partially cured resin in the gel state and depositing, via an electrodeposition process, a metal layer on the electrically conductive coating.
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Patent Agency Ranking
公开(公告)号：US11486349B2
公开(公告)日：2022-11-01
申请号：US16739244
申请日：2020-01-10
Applicant: General Electric Company
Inventor： Vidyashankar Ramasastry Buravalla , Paul Mathew , Sriram Krishnamurthy
IPC: F03D1/06
Abstract: A method for manufacturing a blade structure includes providing the blade structure comprising an outer surface having an aerodynamic profile. The method also includes applying one or more shape memory alloys to the outer surface of the blade structure so as to form an outer protection layer on at least a portion of the blade structure. Moreover, the method includes securing the one or more shape memory alloys to the blade structure.
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公开(公告)号：US11441545B2
公开(公告)日：2022-09-13
申请号：US16799939
申请日：2020-02-25
Applicant: General Electric Company
Inventor： Paul Mathew , Sriram Krishnamurthy , Shanmuga Priyan Subramanian
Abstract: A rotor blade assembly for a wind turbine includes at least one rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The surfaces are constructed of a polymeric composite material. The rotor blade assembly also includes a protection cap arranged adjacent to one or more of the surfaces of the rotor blade so as to cover at least a portion of the one or more surfaces of the rotor blade. The protection cap includes a body defining an overall length. Further, at least a first segment of the protection cap is constructed of a tungsten-based metal. Thus, the protection cap is configured to reduce erosion and resist corrosion of the rotor blade caused by particle or liquid impact.
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8.发明申请WIND TURBINE ROTOR BLADE WITH FABRIC SKIN AND ASSOCIATED METHOD FOR ASSEMBLY 审中-公开具有织物皮肤的风力涡轮机叶片和组装的相关方法公开(公告)号：US20140119937A1
公开(公告)日：2014-05-01
申请号：US13664603
申请日：2012-10-31
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Biao Fang , Steven Haines Olson , Wendy Wen-Ling Lin , Sriram Krishnamurthy , Balaji Haridasu , Prakash Kashiram Jadhav , Subbareddy Daggumati , Suresh Subramanian , Scott Roger Finn , Udit Kulmi , Vasan Churchill Srinivasan Chandrasekaran
CPC classification number: F03D1/0675 , B29C70/56 , B29D99/0028 , B29L2031/085 , F05B2230/50 , F05B2280/6001 , Y02E10/721 , Y02P70/523 , Y10T29/49339
Abstract: A rotor blade for a wind turbine includes an internal support structure extending span-wise from a blade root to a blade tip. A plurality of ribs are fixed to and spaced along the internal support structure, with each rib extending in a generally chord-wise direction and having a generally aerodynamic blade contour. A plurality of chord-wise oriented fabric strips are affixed to the ribs in a tensioned state, wherein the fabric strips define an aerodynamic outer skin of the rotor blade.
Abstract translation: 用于风力涡轮机的转子叶片包括从叶片根部延伸到叶片尖端的跨度延伸的内部支撑结构。 多个肋被固定到内部支撑结构并沿着内部支撑结构间隔开，每个肋沿大致顺时针方向延伸并且具有大致空气动力学的叶片轮廓。 多个和弦取向的织物条在张紧状态下固定到肋上，其中织物条限定了转子叶片的空气动力学外表皮。
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公开(公告)号：US20240392460A1
公开(公告)日：2024-11-28
申请号：US18792661
申请日：2024-08-02
Applicant: General Electric Company
Inventor： Sriram Krishnamurthy , Lakshmi Krishnan , Elzbieta Kryj-Kos , Justin M. Welch
Abstract: A component includes a metal layer disposed over an electrically conductive coating. The component includes a non-woven fiber layer disposed on a coating region of the component. The electrically conductive coating includes a resin with metal particles dispersed therein. The electrically conductive coating is disposed on the non-woven fiber layer. The metal layer is disposed on the electrically conductive coating.
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公开(公告)号：US12091768B2
公开(公告)日：2024-09-17
申请号：US18463350
申请日：2023-09-08
Applicant: General Electric Company
Inventor： Sriram Krishnamurthy , Lakshmi Krishnan , Elzbieta Kryj-Kos , Justin M. Welch
Abstract: A method for depositing a metal layer on a component includes applying an electrically conductive coating composition comprising a resin and metal particles on a coating region of the component and partially curing the resin to a gel state to form an electrically conductive coating. The method also includes applying additional metal particles to the partially cured resin in the gel state and depositing, via an electrodeposition process, a metal layer on the electrically conductive coating.
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