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公开(公告)号：US10384808B2
公开(公告)日：2019-08-20
申请号：US15368185
申请日：2016-12-02
Applicant: General Electric Company
Inventor： Bernard Patrick Bewlay , Byron Pritchard , Shankar Sivaramakrishnan , Ambarish Kulkarni , Hrishikesh Keshavan , Mehmet Dede , Larry Rosenzweig
Abstract: A control system having one or more controllers configured to determine a maintenance date of an engine based on monitored parameters of the engine of an aircraft. The one or more controllers also are configured to, determine an amount of coating sprayed on the engine on the determined maintenance date based on the monitored parameters and determined maintenance date. The one or more controllers also are configured to adjust the maintenance date based on needs of an aircraft fleet and regularly scheduled maintenance of the engine.
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公开(公告)号：US10179945B2
公开(公告)日：2019-01-15
申请号：US14107225
申请日：2013-12-16
Applicant: GENERAL ELECTRIC COMPANY
Abstract: The present application provides Calcia-Magnesia-Alumina-Silica (CMAS) (or molten silicate) resistant thermal barrier coatings (TBC). The coatings include elongate growth domains of non-equiaxed, randomly arranged overlapping grains or splats. The elongate growth domains include overlapping individual, randomly distributed splats of tough and soft phases. In some embodiments, the elongate growth domains are formed via air plasma spray. In some embodiments, the tough phases are at least partially stabilized zirconia and/or hafnia compositions, and the soft phases are CMAS (or molten silicate) reactive or resistant compositions. Within each elongate growth domain, the mixture of the tough and soft phases act together to limit penetration of CMAS and also provide sufficient domain toughness to minimize cracking forces produced during crystallization of infiltrated CMAS. The soft phases may react with the CMAS and increase its melting point, increase its viscosity, and reduce the destabilization of the tough phases.
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公开(公告)号：US20180154383A1
公开(公告)日：2018-06-07
申请号：US15368242
申请日：2016-12-02
Applicant: General Electric Company
Inventor： Ambarish Kulkarni , Byron Pritchard , Shankar Sivaramakrishnan , Krzysztof Lesnicki , Hrishikesh Keshavan , Bernard Patrick Bewlay , Mehmet Dede , Larry Rosenzweig , Jay Morgan
CPC classification number: B05D5/005 , B05B7/025 , B05B7/067 , B05B7/068 , B05B7/10 , B05B7/1431 , B05B7/1481 , B05B7/166 , C23C24/08 , F01D5/00 , F01D5/288 , F05D2230/312 , F05D2230/90
Abstract: Systems and methods that provide or restore a coating to a component are provided. The systems and methods utilized an atomizing spray device. A slurry that comprises a fluid and ceramic particles, and a gas are supplied to the atomizing spray device. The slurry and gas are discharged from the spray device to form two-phase droplets. The fluid within the droplets evaporates to prevent the fluid from becoming part of the coating as the droplets traverse through the air and prior to impacting the surface of the component.
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公开(公告)号：US20170165708A1
公开(公告)日：2017-06-15
申请号：US14963256
申请日：2015-12-09
Applicant: General Electric Company
Inventor： Shankar Sivaramakrishnan , Wayne Charles Hasz , Kristen Hall Brosnan , James Edward Murphy
CPC classification number: B05D1/02 , C04B41/5009 , C04B41/5032 , C09K11/7728 , C23C4/131 , C23C4/134 , C23C14/221 , C23C16/44 , C23C30/00 , F01D5/005 , F01D5/288 , F05D2230/80 , F05D2230/90 , F05D2260/80 , G01N21/6456 , G01N21/8422 , G01N23/223 , G01N2223/61 , Y02T50/672
Abstract: Provided herein are methods and compositions which allow for efficient inspection, maintenance and repair of ceramic coatings.
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公开(公告)号：US20160177746A1
公开(公告)日：2016-06-23
申请号：US14576760
申请日：2014-12-19
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Venkat Subramaniam Venkataramani , Shahana Chatterjee , Mohandas Nayak , Shankar Sivaramakrishnan
CPC classification number: F01D5/288 , C01G25/00 , C01G33/00 , C01G35/00 , C01P2002/34 , F05D2300/2112 , Y02T50/672
Abstract: Articles, such as components for high temperature turbomachinery components, include one or more coatings bearing certain perovskite compositions resistant to incursion by liquid calcium-magnesium-aluminum-silicon-oxide (CMAS) materials during service. The CMAS-reactive material includes a perovskite-structured oxide, which comprises a) a rare earth element, b) niobium, tantalum or a combination of tantalum and niobium, and c) oxygen. The CMAS-reactive material is present in an effective amount to react with a CMAS composition at an operating temperature, thereby forming a reaction product having one or both of melting temperature and viscosity greater than that of the CMAS composition.
Abstract translation: 诸如用于高温涡轮机组件的部件的制品包括一种或多种在使用期间承载某种钙钛矿组合物以耐受液态钙镁 - 铝 - 氧化硅（CMAS）材料侵入的涂层。 CMAS反应性材料包括钙钛矿结构氧化物，其包括a）稀土元素，b）铌，钽或钽和铌的组合，以及c）氧。 CMAS反应性材料以有效量存在，以在操作温度下与CMAS组合物反应，从而形成具有比CMAS组合物的熔融温度和粘度更大的熔融温度和粘度中的一个或两个的反应产物。
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Patent Agency Ranking
公开(公告)号：US10822696B2
公开(公告)日：2020-11-03
申请号：US15378232
申请日：2016-12-14
Applicant: GENERAL ELECTRIC COMPANY
IPC: C23C4/00 , C23C16/455 , C09D1/00 , C04B35/48 , C04B35/622 , C23C4/18 , C23C4/11 , C04B41/52
Abstract: An article for service at high temperatures comprises a substrate comprising a first region and a second region; and a coating disposed over the substrate. The coating comprises a first portion disposed over the first region of the substrate and a second portion disposed over the second region of the substrate. The coating includes a layer comprising a ceramic material and further including a quantity of surface-connected voids, and a protective agent is disposed within at least some of the surface-connected voids of the layer. Within the first portion, the agent is present within the layer at a concentration of less than or equal to 4 percent by volume of the layer exclusive of the voids, while, within the second portion, the agent is present within the layer at a concentration up to the carrying capacity of the layer. Methods for forming the article are also presented.
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公开(公告)号：US10265725B2
公开(公告)日：2019-04-23
申请号：US15368242
申请日：2016-12-02
Applicant: General Electric Company
Inventor： Ambarish Kulkarni , Byron Pritchard , Shankar Sivaramakrishnan , Krzysztof Lesnicki , Hrishikesh Keshavan , Bernard Patrick Bewlay , Mehmet Dede , Larry Rosenzweig , Jay Morgan
IPC: B05B1/14 , B05D1/02 , B05D5/00 , F01D5/00 , F01D5/28 , C23C24/08 , B05B7/02 , B05B7/06 , B05B7/10 , B05B7/14 , B05B7/16
Abstract: Systems and methods that provide or restore a coating to a component are provided. The systems and methods utilized an atomizing spray device. A slurry that comprises a fluid and ceramic particles, and a gas are supplied to the atomizing spray device. The slurry and gas are discharged from the spray device to form two-phase droplets. The fluid within the droplets evaporates to prevent the fluid from becoming part of the coating as the droplets traverse through the air and prior to impacting the surface of the component.
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公开(公告)号：US09920417B2
公开(公告)日：2018-03-20
申请号：US14524072
申请日：2014-10-27
Applicant: General Electric Company
Inventor： Digamber Gurudas Porob , Shankar Sivaramakrishnan , Venkat Subramaniam Venkataramani , Mohandas Nayak , Gopi Chandran Ramachandran
IPC: F01D25/00 , C23C14/08 , C23C14/22 , C23C4/12 , C04B35/00 , C23C14/06 , C23C28/04 , C23C28/00 , C23C4/131 , C23C4/129 , C23C4/126 , C23C4/134
CPC classification number: C23C14/08 , C04B35/00 , C04B35/16 , C04B35/447 , C04B2235/3201 , C04B2235/3208 , C04B2235/3217 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3244 , C04B2235/3248 , C04B2235/3418 , C04B2235/80 , C23C4/126 , C23C4/129 , C23C4/131 , C23C4/134 , C23C14/06 , C23C28/042 , C23C28/321 , C23C28/3215 , C23C28/3455 , F05D2300/6111
Abstract: An article including a substrate and a plurality of coatings disposed on the substrate is presented. The plurality of coatings includes a thermal barrier coating disposed on the substrate; and a protective coating including a calcium-magnesium-aluminum-silicon-oxide (CMAS)-reactive material disposed on the thermal barrier coating. The CMAS-reactive material includes an NZP-type material. The CMAS-reactive material is present in the plurality of coatings in an effective amount to react with a CMAS composition at an operating temperature of the thermal barrier coating, thereby forming a reaction product having one or both of melting temperature and viscosity greater than that of the CMAS composition. A method of making the article and a related turbine engine component are also presented.
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公开(公告)号：US20170101875A1
公开(公告)日：2017-04-13
申请号：US15384712
申请日：2016-12-20
Applicant: General Electric Company
CPC classification number: F01D5/288 , C23C4/00 , C23C4/02 , C23C4/10 , C23C4/12 , C23C4/134 , C23C4/18 , F01D9/02 , F05D2220/32 , F05D2230/312 , F05D2240/35 , F05D2300/21 , F05D2300/502 , Y02T50/6765 , Y10T428/24355 , Y10T428/31
Abstract: A method for coating a surface of a substrate is provided. The method includes providing a suspension or a precursor comprising feedstock material suspended in a liquid medium. Further, the method includes spraying the suspension or the precursor onto the surface at a spray angle less than about 75 degrees to a tangent of the surface.
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公开(公告)号：US20150159507A1
公开(公告)日：2015-06-11
申请号：US14098864
申请日：2013-12-06
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Shankar Sivaramakrishnan , Lauraine Denault , Larry Steven Rosenzweig
IPC: F01D25/00
CPC classification number: F01D5/288 , C04B41/009 , C04B41/52 , C04B41/89 , C23C4/02 , C23C4/11 , C23C4/134 , C23C28/3215 , C23C28/3455 , Y02T50/672 , Y02T50/6765 , Y10T428/12361 , Y10T428/24314 , C04B35/565 , C04B35/806 , C04B41/5071 , C04B41/5096 , C04B41/522 , C04B41/5024 , C04B41/4582 , C04B2103/0021
Abstract: Articles for high temperature service, especially where enhanced strain tolerance coupled with resistance to ingested dust and debris (CMAS) is desirable, are provided herein. The article comprises a substrate and a multi-layered coating system disposed over the substrate. The coating system comprises a first layer comprising a first material and a second layer comprising a second material, with the first layer disposed between the second layer and the substrate. The second material is more resistant to infiltration by a nominal CMAS composition relative to 8 weight percent yttria-stabilized zirconia at a temperature of 1300 degrees Celsius. The second layer comprises a plurality of through-thickness cracks, wherein at least 90 percent of the cracks have a mean crack opening displacement, measured in a distal surface region, of up to about 5 micrometers.
Abstract translation: 具有耐高温性能的产品，特别是在增加耐应变性以及耐吸收性粉尘和碎屑（CMAS）的情况下，本文提供了这些。 该制品包括基底和设置在基底上的多层涂层系统。 该涂层系统包括包含第一材料的第一层和包含第二材料的第二层，其中第一层设置在第二层和衬底之间。 在1300摄氏度的温度下，第二种材料相对于8重量％的氧化钇稳定的氧化锆，更能抵抗标称CMAS组合物的渗透。 第二层包括多个贯穿厚度的裂缝，其中至少90％的裂纹具有高达约5微米的在远端表面区域中测得的平均裂纹开口位移。
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