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公开(公告)号：US09074487B2
公开(公告)日：2015-07-07
申请号：US13211473
申请日：2011-08-17
Applicant: Krishnamurthy Anand , Surinder Singh Pabla , Sundar Amancherla , Paul Mathew
Inventor： Krishnamurthy Anand , Surinder Singh Pabla , Sundar Amancherla , Paul Mathew
CPC classification number: F01D11/005 , F16J15/3288 , Y10T29/49826
Abstract: A self-lubricating brush seal assembly, for a power generation system and method of reducing air leakage in a power generation system including a plurality of self-lubricating members is provided. The plurality of self-lubricating members include a plurality of self-lubricating bristles, a plurality of cores sheathed in a self-lubricating braid, a plurality of cores having an outer diameter coated with self-lubricating material and a solid lubricating pack. The lubricating material is selected from graphite, hexagonal-boron nitrite (hBN), molybdenum disulfide (MoS2), tungsten disulfide (WS2), titanium nitride (TiN), titanium aluminum nitride (TiAlN), titanium carbonitride (TiCN), and combinations thereof.
Abstract translation: 本发明提供一种自润滑刷密封组件，用于发电系统和减少包括多个自润滑构件的发电系统中的空气泄漏的方法。 多个自润滑构件包括多个自润滑刷毛，包覆在自润滑编织物中的多个芯，具有涂覆有自润滑材料的外径的多个芯和固体润滑包。 润滑材料选自石墨，六亚硼酸亚铁（hBN），二硫化钼（MoS2），二硫化钨（WS2），氮化钛（TiN），氮化钛（TiAlN），碳氮化钛（TiCN）及其组合 。
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2.发明申请EROSION AND CORROSION RESISTANT COATINGS FOR EXHAUST GAS RECIRCULATION BASED GAS TURBINES 有权基于气体回收的气体涡轮机的耐腐蚀和耐腐蚀涂层公开(公告)号：US20130340403A1
公开(公告)日：2013-12-26
申请号：US13528149
申请日：2012-06-20
Applicant: Krishnamurthy ANAND , Yuk-Chiu LAU , Paul MATHEW , Surinder Singh PABLA , Guruprasad SUNDARARAJAN , Mohandas NAYAK
Inventor： Krishnamurthy ANAND , Yuk-Chiu LAU , Paul MATHEW , Surinder Singh PABLA , Guruprasad SUNDARARAJAN , Mohandas NAYAK
CPC classification number: C23C30/00 , F01D5/288 , F05D2230/90 , Y02T50/672 , Y10T428/12611
Abstract: A compressor blade for use in a compressor section of a gas turbine engine, comprising: a martensitic stainless steel compressor blade and an abrasive coating having an anodic component. The compressor blade has a blade portion, a dovetail portion and a platform portion intermediate the blade portion and the dovetail portion, the blade portion terminating in a tip opposite the dovetail portion. A cobalt-based coating overlies at least the blade portion of the compressor blade. The cobalt-based coating comprises a cobalt based material that includes precipitates of tungsten carbide that provide erosion resistance and particles of a sacrificial metal-based material distributed through the cobalt-based coating that provide galvanic corrosion resistance to the system.
Abstract translation: 一种用于燃气涡轮发动机的压缩机部分的压缩机叶片，包括：马氏体不锈钢压缩机叶片和具有阳极组分的磨料涂层。 压缩机叶片具有叶片部分，燕尾部分和在叶片部分和燕尾部分之间的平台部分，叶片部分终止于与燕尾部分相对的尖端。 钴基涂层至少覆盖压缩机叶片的叶片部分。 钴基涂层包括钴基材料，其包括提供耐腐蚀性的碳化钨的沉淀物和分布在钴基涂层上的牺牲金属基材料的颗粒，其为系统提供电镀腐蚀性。
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3.发明申请公开(公告)号：US20130177705A1
公开(公告)日：2013-07-11
申请号：US13344290
申请日：2012-01-05
Applicant: EKLAVYA CALLA , SUNDAR AMANCHERLA , KRISHNAMURTHY ANAND
Inventor： EKLAVYA CALLA , SUNDAR AMANCHERLA , KRISHNAMURTHY ANAND
CPC classification number: C23C24/04 , C23C28/021 , C23C28/022 , C23C28/027
Abstract: A process for applying a bond coat layer to a substrate includes cold spraying a first powdered material onto a surface of the substrate at a first velocity, wherein the first powdered material has a first particle size distribution; and cold spraying a second powdered material onto the surface at a second velocity to form the bond coat layer, wherein the second powdered material has a second particle size distribution and the bond coat layer comprises a microstructure comprising at least the first and second particle sizes.
Abstract translation: 将粘合涂层施加到基底的方法包括以第一速度将第一粉末材料冷喷涂到基底的表面上，其中第一粉末材料具有第一粒度分布; 并以第二速度将第二粉末材料冷喷涂到所述表面上以形成所述粘合涂层，其中所述第二粉末材料具有第二粒度分布，并且所述粘结涂层包含至少包含所述第一和第二颗粒尺寸的微结构。
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4.发明申请公开(公告)号：US20130089726A1
公开(公告)日：2013-04-11
申请号：US13270400
申请日：2011-10-11
Applicant: Krishnamurthy ANAND , Eklavya CALLA , Sheo Narain GIRI
Inventor： Krishnamurthy ANAND , Eklavya CALLA , Sheo Narain GIRI
CPC classification number: C23C24/04 , B05B7/1481 , B05B7/1613 , Y10T428/24997
Abstract: A process of applying a porous metallic structure and a cold-sprayed article are disclosed. The process includes cold spraying a solid feedstock and a low-melt material onto an article and removing at least a portion of the low-melt materials or applying a porous metallic structure includes cold spraying onto an article with two converging-diverging nozzles. The cold-sprayed article includes a porous metallic structure having a portion formed from cold spraying a solid feedstock. The portion includes the phases and microstructure of the solid feedstock.
Abstract translation: 公开了一种施加多孔金属结构和冷喷制品的方法。 该方法包括将固体原料和低熔点材料冷喷涂到制品上并除去至少一部分低熔点材料或施加多孔金属结构，包括用两个会聚发散的喷嘴对制品进行冷喷涂。 冷喷制品包括具有由冷喷涂固体原料形成的部分的多孔金属结构。 该部分包括固体原料的相和微观结构。
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公开(公告)号：US20120129000A1
公开(公告)日：2012-05-24
申请号：US12951350
申请日：2010-11-22
Applicant: Surinder Singh Pabla , Vinod Kumar Pareek , Suchismita Sanyal , Krishnamurthy Anand , Prajina Bhattacharya
Inventor： Surinder Singh Pabla , Vinod Kumar Pareek , Suchismita Sanyal , Krishnamurthy Anand , Prajina Bhattacharya
CPC classification number: C23C24/08 , C23C28/321 , C23C28/3215 , C23C28/345 , C23C28/3455 , C23C28/36 , Y02T50/67 , Y10T428/12549 , Y10T428/12611
Abstract: A vanadium resistant coating system resistant to high temperature vanadium attack. The system comprises a high temperature superalloy substrate. A bond coat overlies the superalloy substrate. The bond coat may be applied in multiple layers. A ceramic coating overlies the bond coat. The ceramic coating further comprises a zirconium oxide stabilized by at least one cation selected from the group consisting of Yb3+, Lu3+, Sc3+ and Ce4+, in the amounts of about 5-10 weight percent. An overcoat may overlie the ceramic coating. The overcoat may be a sacrificial layer of YSZ infiltrated with cations having an atomic radius larger than Y3+. Alternatively, the overcoat may comprise zirconium oxide stabilized by Ce4+.
Abstract translation: 耐高温钒攻击的耐钒涂层体系。 该系统包括高温超合金基底。 粘合涂层覆盖在超合金基板上。 粘合涂层可以多层施用。 陶瓷涂层覆盖在粘结层上。 所述陶瓷涂层还包含以约5-10重量％的量由至少一种选自Yb3 +，Lu3 +，Sc3 +和Ce4 +的阳离子稳定的氧化锆。 外涂层可能覆盖陶瓷涂层。 外涂层可以是原子半径大于Y 3 +的阳离子渗透的YSZ的牺牲层。 或者，外涂层可以包括由Ce 4+稳定的氧化锆。
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Patent Agency Ranking
公开(公告)号：US20110165433A1
公开(公告)日：2011-07-07
申请号：US12654843
申请日：2010-01-06
Applicant: Surinder S. Pabla , Krishnamurthy Anand , Paul S. Dimascio , Stuart S. Collins , James A. Ruud , Suchismita Sanyal
Inventor： Surinder S. Pabla , Krishnamurthy Anand , Paul S. Dimascio , Stuart S. Collins , James A. Ruud , Suchismita Sanyal
CPC classification number: C23C18/1662 , C23C18/1651 , C23C18/48 , C23C30/00 , F01D5/288 , Y10T428/12493
Abstract: Process for providing a protective coating to a metal surface by applying a nickel or tantalum plate layer to the surface and dispersing particles of a hard material such as diamond, alumina, vanadium nitride, tantalum carbide and/or tungsten carbide within the nickel or tantalum plate layer as the plating is occurring.
Abstract translation: 通过将镍或钽板层施加到表面并将硬质材料如金刚石，氧化铝，氮化钒，碳化钽和/或碳化钨的颗粒分散在镍或钽板内的方式向金属表面提供保护涂层 发生电镀层。
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7.发明申请Erosion and Corrosion Resistant Turbine Compressor Airfoil and Method of Making the Same 审中-公开侵蚀和耐腐蚀涡轮压缩机翼型及其制造方法公开(公告)号：US20100226783A1
公开(公告)日：2010-09-09
申请号：US12399261
申请日：2009-03-06
Applicant: Jane Marie Lipkin , Krishnamurthy Anand , David Vincent Bucci , Yuk-Chiu Lau , Surinder Pabla , Vinod Kumar Pareek , Jon Conrad Schaeffer , Guruprasad Sundararajan
Inventor： Jane Marie Lipkin , Krishnamurthy Anand , David Vincent Bucci , Yuk-Chiu Lau , Surinder Pabla , Vinod Kumar Pareek , Jon Conrad Schaeffer , Guruprasad Sundararajan
CPC classification number: C23C30/00 , C23C4/06 , C23C28/00 , C23C28/042 , C23C28/321 , C23C28/322 , C23C28/3225 , C23C28/324 , C23C28/34 , C23C28/341 , C23C28/345 , C23C28/3455 , C23C28/42 , F04D29/023 , F04D29/324 , F05D2230/31 , F05D2260/95 , F05D2300/611
Abstract: A sacrificial and erosion-resistant turbine compressor airfoil includes a turbine compressor airfoil having a modified airfoil surface. The airfoil surface has an airfoil coating that includes a sacrificial coating comprising a layer of Al, Cr, Zn, an Ni—Al alloy, an Al—Si alloy, an Al-based alloy, a Cr-based alloy or a Zn-based alloy, an Al polymer composite, or a combination thereof, or a layer of a conductive undercoat and an overcoat of an inorganic matrix binder having a plurality of ceramic particles and conductive particles embedded therein disposed on the undercoat. The airfoil coating also includes an sacrificial coating, wherein one of the sacrificial coating or the erosion-resistant coating is disposed on the airfoil surface and the other of the corrosion-resistant coating or the erosion-resistant coating is disposed on the respective one, and wherein the sacrificial coating is more anodic than the airfoil surface or the erosion-resistant coating.
Abstract translation: 一种牺牲和耐腐蚀的涡轮压缩机翼片包括具有改进的翼型表面的涡轮压缩机翼型。 机翼表面具有翼型涂层，其包括牺牲涂层，其包括Al，Cr，Zn，Ni-Al合金，Al-Si合金，Al基合金，Cr基合金或Zn基合金 合金，Al聚合物复合物或其组合，或者具有多个陶瓷颗粒和嵌入其中的导电颗粒的无机基质粘合剂的导电底涂层和外涂层。 翼型涂层还包括牺牲涂层，其中牺牲涂层或耐侵蚀涂层之一设置在翼面表面上，另一个耐腐蚀涂层或抗侵蚀涂层设置在相应的一个上， 其中牺牲涂层比翼型表面或抗侵蚀涂层更阳极。
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公开(公告)号：US20100172789A1
公开(公告)日：2010-07-08
申请号：US12350517
申请日：2009-01-08
Applicant: Eklavya Calla , Krishnamurthy Anand , Pazhayannur Ramanathan Subramanian , Sanjay Kumar Sondhi , Ramkumar Oruganti
Inventor： Eklavya Calla , Krishnamurthy Anand , Pazhayannur Ramanathan Subramanian , Sanjay Kumar Sondhi , Ramkumar Oruganti
CPC classification number: B22F1/0044 , B22F9/04 , B22F2999/00 , C22C1/0433 , C23C24/04 , Y02T50/67 , B22F2202/03
Abstract: A method of coating a substrate with cryo-milled, nano-grained particles includes forming a face-centered-cubic gamma matrix comprising nickel, cobalt, chromium, tungsten and molybdenum, adding a dispersion strengthening material to the gamma matrix to form a first mixture, cryo-milling the first mixture to form a second mixture to form a nano-grained structure, and cold spraying the second mixture onto a substrate to form a coating having a nano-grained structure.
Abstract translation: 用低温研磨的纳米颗粒涂覆基材的方法包括形成包含镍，钴，铬，钨和钼的面心立方γ基体，向γ基质中加入分散强化材料以形成第一混合物 ，冷冻研磨第一混合物以形成第二混合物以形成纳米晶粒结构，并将第二混合物冷喷涂到基底上以形成具有纳米晶粒结构的涂层。
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公开(公告)号：US20090297720A1
公开(公告)日：2009-12-03
申请号：US12128849
申请日：2008-05-29
Applicant: Thodla Ramgopal , Krishnamurthy Anand , David Vincent Bucci , Nitin Jayaprakash , Jane Marie Lipkin , Tamara Jean Muth , Surinder Singh Pabla , Vinod Kumar Pareek , Guru Prasad Sundararajan
Inventor： Thodla Ramgopal , Krishnamurthy Anand , David Vincent Bucci , Nitin Jayaprakash , Jane Marie Lipkin , Tamara Jean Muth , Surinder Singh Pabla , Vinod Kumar Pareek , Guru Prasad Sundararajan
CPC classification number: C23C4/06 , C23C30/00 , Y02T50/67 , Y10T428/12014 , Y10T428/12028 , Y10T428/12063 , Y10T428/12576 , Y10T428/12931 , Y10T428/12937
Abstract: Disclosed herein is an erosion and corrosion resistant coating comprising a metallic binder, a plurality of hard particles, and a plurality of sacrificial particles. Also disclosed is a method of improving erosion and corrosion resistance of a metal component comprising disposing on a surface of the metal component the foregoing erosion and corrosion resistant coating comprising, and a metal component comprising a metal component surface and the foregoing erosion and corrosion resistant coating comprising a first surface and a second surface opposite the first surface, wherein the first surface is disposed on the metal component surface.
Abstract translation: 本文公开了一种防腐和耐腐蚀涂层，其包含金属粘合剂，多个硬颗粒和多个牺牲颗粒。 还公开了一种改善金属部件的耐腐蚀和耐腐蚀性的方法，包括在金属部件的表面上设置上述耐腐蚀和耐腐蚀涂层，其包括金属组分表面和上述耐腐蚀和耐腐蚀涂层 包括与所述第一表面相对的第一表面和第二表面，其中所述第一表面设置在所述金属部件表面上。
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10.发明申请公开(公告)号：US20080101539A1
公开(公告)日：2008-05-01
申请号：US11551846
申请日：2006-10-23
Applicant: Krishnamurthy Anand , Dennis Michael Gray , Pazhayannur R. Subramanian , Srinidhi Sampath , Carey Shawn Rogers , Steven Alfred Tysoe , Richard Arthur Nardi
Inventor： Krishnamurthy Anand , Dennis Michael Gray , Pazhayannur R. Subramanian , Srinidhi Sampath , Carey Shawn Rogers , Steven Alfred Tysoe , Richard Arthur Nardi
IPC: H01J35/00
CPC classification number: H01J35/101 , H01J2235/066 , H01J2235/1066 , H01J2235/108
Abstract: A bearing assembly mounted in an x-ray tube includes a bearing race and a bearing ball positioned adjacent to the bearing race. A coating is deposited on one of the bearing race and the bearing ball includes a lubricant and a hard material having a hardness greater than a base material of the bearing race and a base material of the bearing ball.
Abstract translation: 安装在x射线管中的轴承组件包括轴承座圈和邻近轴承座圈定位的轴承座。 涂层沉积在轴承座之一上，轴承球包括润滑剂和硬度大于轴承座的基材的硬质材料和轴承球的基底材料。
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