Patents by Inventor Krishnamurthy Anand
Krishnamurthy Anand has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11954514Abstract: A robotic process automation system includes a server processor that performs an automation task to process a work item, by initiating a java virtual machine on a second device. A first user session that employs credentials of a first user for managing execution of the automation task is also initiated on the second device. The server processor loads into the java virtual machine, with a platform class loader, one or more modules, such as logging and security, that perform functions common to the sets of task processing instructions. A first class loader a first set of task processing instructions is also loaded. Then each instruction in the first set of task processing instructions is loaded with a separate class loader. The server processor causes execution, under control of the first user session, on the second device, the task processing instructions that correspond to the work item.Type: GrantFiled: August 31, 2021Date of Patent: April 9, 2024Assignee: AUTOMATION ANYWHERE, INC.Inventors: Sudharshan Krishnamurthy, James Dennis, Virinchipuram J Anand, Abhijit Kakhandiki
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Patent number: 11939680Abstract: 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.Type: GrantFiled: March 8, 2023Date of Patent: March 26, 2024Assignee: GE Infrastructure Technology LLCInventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
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Patent number: 11923799Abstract: An apparatus for regulating a slew time of an output voltage of a motor driver system includes a gate current control circuit which has a first input coupled to receive a target slew time and a second input coupled to receive a slew time. The gate current control circuit provides an incremented gate current if the slew time is greater than the target slew time and provides a decremented gate current if the slew time is less than the target slew time. The apparatus includes a gate driver which has a first input coupled to receive a PWM signal and a second input coupled to receive the gate current. The gate driver provides a gate drive signal.Type: GrantFiled: August 9, 2021Date of Patent: March 5, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Ashish Ojha, Krishnamurthy Shankar, Siddhartha Gopal Krishna, Priyank Anand, Ganapathi Hegde
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Publication number: 20230227957Abstract: 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.Type: ApplicationFiled: March 8, 2023Publication date: July 20, 2023Inventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
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Patent number: 11603588Abstract: 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.Type: GrantFiled: August 30, 2021Date of Patent: March 14, 2023Assignee: General Electric CompanyInventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
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Publication number: 20230065105Abstract: 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.Type: ApplicationFiled: August 30, 2021Publication date: March 2, 2023Inventors: Krishnamurthy Anand, Surinder Singh Pabla, Lacey Lynn Schwab, Biju Dasan, Seung-Woo Choi, Sathisha Chikkabikkodu Hanum, Ravikiran Kopparthi, David Vincent Bucci
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Publication number: 20220290285Abstract: 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.Type: ApplicationFiled: April 15, 2021Publication date: September 15, 2022Inventors: Surinder Singh Pabla, Eklavya Calla, Mohandas Nayak, Arundhati Sengupta, Adarsh Shukla, Jon Conrad Schaeffer, Krishnamurthy Anand
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Patent number: 11149354Abstract: 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.Type: GrantFiled: February 20, 2019Date of Patent: October 19, 2021Assignee: General Electric CompanyInventors: Krishnamurthy Anand, Eklavya Calla, Biju Dasan, Surinder Singh Pabla, Priyanka Saxena
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Patent number: 10907547Abstract: 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.Type: GrantFiled: July 9, 2018Date of Patent: February 2, 2021Assignee: General Electric CompanyInventors: Pierre Olivier Montagne, Sundar Amancherla, Krishnamurthy Anand, David Terry Trayhan, Jr., Matthieu Paul Frederic Vierling, Maher Aboujaib, Abdurrahman Abdallah Khalidi
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Publication number: 20200263558Abstract: 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.Type: ApplicationFiled: February 20, 2019Publication date: August 20, 2020Inventors: Krishnamurthy Anand, Raghavendra Rao Adharapurapu, Eklavya Calla, Surinder Singh Pabla
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Publication number: 20200263307Abstract: 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.Type: ApplicationFiled: February 20, 2019Publication date: August 20, 2020Inventors: Krishnamurthy Anand, Eklavya Calla, Biju Dasan, Surinder Singh Pabla, Priyanka Saxena
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Patent number: 10711636Abstract: A system for coating a component is provided. The system includes a feedstock supply, a carrier fluid supply, and a thermal spray gun coupled in flow communication with the feedstock supply and the carrier fluid supply. The feedstock supply contains a substantially homogeneous powder mixture of a first powder and a second powder. The second powder is softer than the first powder and has a percentage by mass of the powder mixture of between about 0.1% and about 3.0%.Type: GrantFiled: December 22, 2015Date of Patent: July 14, 2020Assignee: General Electric CompanyInventors: Eklavya Calla, Joydeep Pal, Krishnamurthy Anand
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Patent number: 10436702Abstract: A corrosion monitoring system includes at least one corrosion sensor. The corrosion sensor includes a metallic plug having at least one opening, at least one ceramic sheath in the opening of the metallic plug, and a plurality of probes. Each probe has a central portion with a predetermined cross sectional area extending from the metallic plug. The ceramic sheath electrically isolates each first end and each second end of the probes from the metallic plug and the other first ends and second ends. The probes are sized to provide a distribution of predetermined cross sectional areas of the central portions. The corrosion monitoring system also includes a resistance meter measuring an ohmic resistance for at least one of the probes and a computer determining a corrosion rate by correlating a rate of change of the ohmic resistance to the corrosion rate of the probe.Type: GrantFiled: May 9, 2016Date of Patent: October 8, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Krishnamurthy Anand, Paul Stephen Dimascio, Sundar Amancherla, Rebecca E. Hefner
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Publication number: 20190040800Abstract: 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.Type: ApplicationFiled: July 9, 2018Publication date: February 7, 2019Inventors: Pierre Olivier MONTAGNE, Sundar AMANCHERLA, Krishnamurthy ANAND, David Terry TRAYHAN, JR., Matthieu Paul Frederic VIERLING, Maher ABOUJAIB, Abdurrahman Abdallah KHALIDI
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Patent number: 10184091Abstract: 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.Type: GrantFiled: December 2, 2016Date of Patent: January 22, 2019Assignee: General Electric CompanyInventors: Pierre Olivier Montagne, Sundar Amancherla, Krishnamurthy Anand, David Terry Trayhan, Jr., Matthieu Paul Frederic Vierling, Maher Aboujaib, Abdurrahman Abdallah Khalidi
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Patent number: 10041361Abstract: A composition for a reinforced metal matrix coating, and a method of preparing and coating the composition. The composition includes a plurality of sacrificial metallic binder particles that is anodic with respect to a base substrate, and a plurality of hard particles.Type: GrantFiled: October 15, 2014Date of Patent: August 7, 2018Assignee: General Electric CompanyInventors: Krishnamurthy Anand, Surinder Singh Pabla, Eklavya Calla
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Patent number: 9995169Abstract: A process of forming a calcium-magnesium-aluminosilicate (CMAS) penetration resistant coating, and a CMAS penetration resistant coating are disclosed. The process includes providing a thermal barrier coating having a dopant, and exposing the thermal barrier coating to calcium-magnesium-aluminosilicate and gas turbine operating conditions. The exposing forming a calcium-magnesium-aluminosilicate penetration resistant layer. The coating includes a thermal barrier coating composition comprising a dopant selected from the group consisting of rare earth elements, non-rare earth element solutes, and combinations thereof. Additional or alternatively, the coating includes a thermal barrier coating and an impermeable barrier layer or a washable sacrificial layer positioned on an outer surface of the thermal barrier coating.Type: GrantFiled: March 13, 2013Date of Patent: June 12, 2018Assignee: General Electric CompanyInventors: Jon Conrad Schaeffer, Surinder Singh Pabla, Paul Stephen Dimascio, Krishnamurthy Anand, Joshua Lee Margolies, Padmaja Parakala
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Patent number: 9896585Abstract: A coating, a coating system, and a coating method are provided. The coating includes between about 0.25-35% filler particles embedded in a chrome phosphate binder matrix comprising a balance of the coating by volume. The filler particles have a size in the range from nanosize to six microns with an aspect ratio of from 1:1 to 3:1, and include up to 100% by weight lubricious particles with a balance hard particles. The lubricious particles are selected from the group consisting of boron nitride (BN), titanium nitride (TiN), titanium oxide (TiO2), zinc (Zn), tin (Sn), oxides of zinc and tin, and combinations thereof. The hard particles are selected from the group consisting of chromium carbide (CrC), tungsten carbide (WC), silicon (Si), aluminum (Al), oxides or nitrides of silicon and aluminum, and combinations thereof. A green slurry coating includes an evaporable solvent mixed with the filler particles and chrome phosphate binder matrix.Type: GrantFiled: October 8, 2014Date of Patent: February 20, 2018Assignee: General Electric CompanyInventors: Surinder Singh Pabla, Krishnamurthy Anand
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Patent number: 9816392Abstract: 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.Type: GrantFiled: April 10, 2013Date of Patent: November 14, 2017Assignee: General Electric CompanyInventors: Padmaja Parakala, Surinder Singh Pabla, Joshua Lee Margolies, James Anthony Ruud, Krishnamurthy Anand, Jon Conrad Schaeffer
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Publication number: 20170322143Abstract: A corrosion monitoring system includes at least one corrosion sensor. The corrosion sensor includes a metallic plug having at least one opening, at least one ceramic sheath in the opening of the metallic plug, and a plurality of probes. Each probe has a central portion with a predetermined cross sectional area extending from the metallic plug. The ceramic sheath electrically isolates each first end and each second end of the probes from the metallic plug and the other first ends and second ends. The probes are sized to provide a distribution of predetermined cross sectional areas of the central portions. The corrosion monitoring system also includes a resistance meter measuring an ohmic resistance for at least one of the probes and a computer determining a corrosion rate by correlating a rate of change of the ohmic resistance to the corrosion rate of the probe.Type: ApplicationFiled: May 9, 2016Publication date: November 9, 2017Inventors: Krishnamurthy ANAND, Paul Stephen DIMASCIO, Sundar AMANCHERLA, Rebecca E. HEFNER