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公开(公告)号：US09816392B2
公开(公告)日：2017-11-14
申请号：US13860044
申请日：2013-04-10
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Padmaja Parakala , Surinder Singh Pabla , Joshua Lee Margolies , James Anthony Ruud , Krishnamurthy Anand , Jon Conrad Schaeffer
IPC: F01D25/00 , C23C4/08 , C23C4/10 , C23C28/00 , C04B35/486 , C04B35/50 , C23C4/02 , C23C4/11 , C23C4/134 , F01D5/28
CPC classification number: F01D25/005 , C04B35/486 , C04B35/50 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3244 , C04B2235/96 , C04B2235/9607 , C23C4/02 , C23C4/11 , C23C4/134 , C23C28/3215 , C23C28/3455 , F01D5/288 , Y10T428/24471 , Y10T428/24942 , Y10T428/31678
Abstract: A method for fabricating thermal barrier coatings. The thermal barrier coatings are produced with a fine grain size by reverse co-precipitation of fine powders. The powders are then sprayed by a solution plasma spray that partially melts the fine powders while producing a fine grain size with dense vertical cracking. The coatings comprise at least one of 45%-65% Yb2O3 the balance zirconia (zirconium oxide), Yb/Y/Hf/Ta the balance zirconia (zirconium oxide) and 2.3-7.8% La, 1.4-5.1% Y and the balance zirconia (zirconium oxide) and are characterized by a thermal conductivity that is about 25-50% lower than that of thermal barrier coatings comprising YSZ. The thermal barrier coatings also are characterized by at least one of excellent erosion resistance, fracture toughness and abrasion resistance.
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公开(公告)号：US20150003996A1
公开(公告)日：2015-01-01
申请号：US13932228
申请日：2013-07-01
Applicant: General Electric Company
Inventor： Kalaga Murali Krishna , Padmaja Parakala , Surinder Singh Pabla , Krishnamurthy Anand
IPC: F01D5/28
CPC classification number: F01D5/288 , C09D127/12 , F01D5/28 , F01D5/286 , Y10T428/24355 , Y10T428/3154 , C08K3/013
Abstract: Coatings includes about 60 weight percent to about 90 weight percent of one or more fluorinated polymers, about 1 weight percent to about 7 weight percent of one or more erosion resistant fillers about 3 weight percent to about 9 weight percent of one or more anticorrosive pigments, about 1 weight percent to about 4 weight percent of one or more thixotropic agents, and about 1 weight percent to about 4 weight percent of one or more porosity reducing filler materials.
Abstract translation: 涂料包括约60重量％至约90重量％的一种或多种氟化聚合物，约1重量％至约7重量％的一种或多种抗侵蚀填料约3重量％至约9重量％的一种或多种防腐颜料， 约1重量％至约4重量％的一种或多种触变剂和约1重量％至约4重量％的一种或多种减少孔隙率的填料。
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公开(公告)号：US20200263558A1
公开(公告)日：2020-08-20
申请号：US16280261
申请日：2019-02-20
Applicant: General Electric Company
IPC: F01D11/12
Abstract: Various embodiments include honeycomb structures including an abradable material, and a method of applying such honeycomb structures to steel components of a gas turbine engine in order to reduce rub damage. Particular embodiments include a honeycomb structure having a plurality of cells, each cell of the plurality of cells including a cell wall surrounding a void, and an abradable material within the void of each cell of the plurality of cells, the abradable material including a metallic alloy and hollow particles.
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公开(公告)号：US20200263307A1
公开(公告)日：2020-08-20
申请号：US16280283
申请日：2019-02-20
Applicant: General Electric Company
Inventor： Krishnamurthy Anand , Eklavya Calla , Biju Dasan , Surinder Singh Pabla , Priyanka Saxena
Abstract: Various embodiments include a dense abradable coating, a method of reducing rub damage to a turbine engine part by applying the dense abradable coating thereto, and a turbine engine part having the abradable coating thereon. Particular embodiments include a dense abradable coating including a pore-free metallic composite, a high-aluminum containing brittle alloy, and a plurality of hollow abradable particles.
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公开(公告)号：US10184091B2
公开(公告)日：2019-01-22
申请号：US15368483
申请日：2016-12-02
Applicant: General Electric Company
Inventor： Pierre Olivier Montagne , Sundar Amancherla , Krishnamurthy Anand , David Terry Trayhan, Jr. , Matthieu Paul Frederic Vierling , Maher Aboujaib , Abdurrahman Abdallah Khalidi
IPC: C10L10/04 , F23J7/00 , C10L1/12 , C10L1/30 , C23F11/18 , F01D25/00 , F02C3/20 , F02C7/22 , F01D5/28
Abstract: A process based on the combined use of yttrium and magnesium to inhibit vanadium corrosion of high temperature parts of thermal equipment. The combined use of yttrium and magnesium, applied in a variable yttrium/magnesium ratio, compared with conventional magnesium inhibition, may reduce emission of magnesium vanadate and minimize losses of performance due to fouling of the high temperature parts, including in the presence of alkali metals. Further, compared with inhibition based on yttrium alone, it may reduce the inhibition cost and reinforce the protection against combined vanadium pentoxide and sodium sulfate corrosion.
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Patent Agency Ranking
公开(公告)号：US20170158978A1
公开(公告)日：2017-06-08
申请号：US15368483
申请日：2016-12-02
Applicant: General Electric Company
Inventor： Pierre Olivier Montagne , Sundar Amancherla , Krishnamurthy Anand , David Terry Trayhan, JR. , Matthieu Paul Frederic Vierling , Maher Aboujaib , Abdurrahman Abdallah Khalidi
CPC classification number: C10L10/04 , C10L1/10 , C10L1/1233 , C10L1/125 , C10L2200/0213 , C10L2200/0218 , C10L2270/04 , C23F11/185 , C23F11/187 , F01D25/002 , F01D25/007 , F02C3/20 , F02C7/22 , F05D2260/95 , F23J7/00
Abstract: A process based on the combined use of yttrium and magnesium to inhibit vanadium corrosion of high temperature parts of thermal equipment. The combined use of yttrium and magnesium, applied in a variable yttrium/magnesium ratio, compared with conventional magnesium inhibition, may reduce emission of magnesium vanadate and minimize losses of performance due to fouling of the high temperature parts, including in the presence of alkali metals. Further, compared with inhibition based on yttrium alone, it may reduce the inhibition cost and reinforce the protection against combined vanadium pentoxide and sodium sulfate corrosion.
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公开(公告)号：US20150004362A1
公开(公告)日：2015-01-01
申请号：US13932239
申请日：2013-07-01
Applicant: General Electric Company
Inventor： Kalaga Murali Krishna , Padmaja Parakala , Surinder Singh Pabla , Krishnamurthy Anand
IPC: C23C28/00
CPC classification number: C23C28/42 , C23C28/046 , F01D5/288 , F05D2250/62 , F05D2300/224 , F05D2300/506 , Y10T428/24355
Abstract: Multilayered coatings include an adhesion base layer that can adhere to a metal substrate, and a top surface layer that has a surface roughness of less than or equal to about Ra 0.0254 μm, wherein at least one of the layers comprises a diamond-like carbon.
Abstract translation: 多层涂层包括可粘附到金属基底上的粘附基层和具有小于或等于约Ra0.0254μm的表面粗糙度的顶表面层，其中至少一个层包含类金刚石碳。
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公开(公告)号：US11939680B2
公开(公告)日：2024-03-26
申请号：US18180624
申请日：2023-03-08
Applicant: General Electric Company
Inventor： Krishnamurthy Anand , Surinder Singh Pabla , Lacey Lynn Schwab , Biju Dasan , Seung-Woo Choi , Sathisha Chikkabikkodu Hanum , Ravikiran Kopparthi , David Vincent Bucci
CPC classification number: C23C4/18 , C23C4/073 , C23C4/11 , F01D25/00 , F01D25/24 , F05D2300/121 , F05D2300/17 , F05D2300/2112 , F05D2300/605
Abstract: A method includes applying a material coating on a surface of a machine component using a thermal spray, wherein the material coating is formed from a combination of a hardfacing material and aluminum-containing particles. The method also includes thermally treating the material coating to generate an oxide layer comprising aluminum from the aluminum-containing particles, wherein the oxide layer is configured to reduce oxidation of the hardfacing material.
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公开(公告)号：US20220290285A1
公开(公告)日：2022-09-15
申请号：US17231172
申请日：2021-04-15
Applicant: General Electric Company
Inventor： Surinder Singh Pabla , Eklavya Calla , Mohandas Nayak , Arundhati Sengupta , Adarsh Shukla , Jon Conrad Schaeffer , Krishnamurthy Anand
Abstract: A high entropy ceramic (HEC) composition includes at least three different rare earth (RE) oxides and at least one of hafnium dioxide (HfO2) and zirconia oxide (ZrO2). The at least three different rare earth oxides being equimolar fractions. In one aspect, the high entropy ceramic (HEC) composition can be used in a thermal barrier coating.
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公开(公告)号：US10907547B2
公开(公告)日：2021-02-02
申请号：US16029712
申请日：2018-07-09
Applicant: General Electric Company
Inventor： Pierre Olivier Montagne , Sundar Amancherla , Krishnamurthy Anand , David Terry Trayhan, Jr. , Matthieu Paul Frederic Vierling , Maher Aboujaib , Abdurrahman Abdallah Khalidi
Abstract: A system includes a turbine combustor and one or more supply circuits configured to supply one or more fluids to the turbine combustor. The one or more supply circuits include at least a liquid fuel supply circuit fluidly coupled to a liquid fuel source and configured to supply a liquid fuel from the liquid fuel source to the turbine combustor. The system also includes a corrosion inhibitor injection system including a magnesium source storing a magnesium-based inhibitor that includes magnesium oxide (MgO) and an yttrium source storing an yttrium-based inhibitor that includes yttrium oxide (Y2O3). The corrosion inhibitor injection system is fluidly coupled to the turbine combustor and the one or more supply circuits, and is configured to inject the magnesium-based inhibitor and the yttrium-based inhibitor as vanadium corrosion inhibitors into the turbine combustor or the one or more supply circuits.
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