Patents by Inventor Kwanwoo Kim
Kwanwoo Kim 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: 11920807Abstract: An electronic apparatus is provided. The electronic apparatus includes a communication interface, a memory, and a processor. The processor according to the disclosure is configured to acquire weather information and information on a space where an air conditioner is installed, train a neural network model based on the weather information and the information on the space, based on acquiring driving information of the air conditioner and a measured temperature of the space through the communication interface, input the measured temperature of the space and the external temperature into the neural network model and acquire predicted temperature information per time for the space, determine whether a defect exists in the air conditioner based on the predicted temperature information and the measured temperature of the space, and based on determining that a defect exists in the air conditioner, generate a notification signal.Type: GrantFiled: July 27, 2021Date of Patent: March 5, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Sunggeun Song, Kyungjae Kim, Kwanwoo Song, Jehyeon Lee, Hyejung Cho
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Publication number: 20230324048Abstract: The systems and methods described herein relate to a dome of a gas turbine assembly configured to suppress pressure pulsations. The systems and methods provide a dome having an aperture configured to surround an injector assembly of a combustor. The dome having a front panel extending radially from the aperture. The systems and methods couple a first cavity to the front panel. The first cavity includes a series of ducts. A first duct of the series of ducts is configured to receive airflow into the first cavity from a compressor and a second set of ducts of the series of ducts and a third duct of the series of ducts are configured to direct airflow to the combustor from the first cavity, wherein the third duct has a larger diameter than the second set of ducts.Type: ApplicationFiled: December 21, 2022Publication date: October 12, 2023Applicant: General Electric CompanyInventors: Owen Graham, Sharath Nagaraja, Nicholas Magina, Fei Han, Kwanwoo Kim
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Publication number: 20230296245Abstract: A flare cone for a mixer assembly includes an annular conical wall extending circumferentially about a mixer assembly centerline, the annular conical wall including a conical inner surface defining a conical opening of the annular conical wall, and an annular axial wall extending in a longitudinal direction with respect to the mixer assembly centerline, the annular axial wall disposed at a radially outward portion of the annular conical wall and connected to the annular conical wall. The annular conical wall and the annular axial wall define an annular step circumferentially about the mixer assembly centerline and extending upstream in the longitudinal direction between a downstream end of the annular conical wall and an aft surface of the annular axial wall.Type: ApplicationFiled: March 17, 2022Publication date: September 21, 2023Inventors: Kwanwoo Kim, Varun Lakshmanan, Sripathi Mohan, Vivekta Sharma
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Publication number: 20230266006Abstract: A swirler assembly includes a swirler having primary swirler with a primary swirler venturi, a swirler ferrule plate connected to the primary swirler, and a fuel nozzle disposed in the swirler ferrule plate. The swirler ferrule plate has an aft wall, an annular conical wall, and an annular cavity wall that together form an annular cavity. The annular cavity includes a plurality of inlet orifices, and at least one outlet orifice. A flow of oxidizer through the plurality of inlet orifices into the annular cavity incurs a first pressure drop from a first pressure of a pressure plenum to a second pressure lower than the first pressure, and a flow of the oxidizer from the annular cavity through the at least one outlet orifice into the primary swirler venturi incurs a second pressure drop from the second pressure to a third pressure lower than the second pressure.Type: ApplicationFiled: February 18, 2022Publication date: August 24, 2023Inventors: Pradeep Naik, Shai Birmaher, Kwanwoo Kim, Saket Singh, Perumallu Vukanti, Karthikeyan Sampath, Steven C. Vise, Nicholas R. Overman, Michael A. Benjamin
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Publication number: 20230266002Abstract: A swirler assembly includes a swirler having a primary swirler with a primary swirler venturi, a swirler ferrule plate connected upstream to the primary swirler, and a fuel nozzle disposed in the swirler ferrule plate. The swirler ferrule plate has an annular pressure drop cavity with oxidizer inlet orifices in fluid communication with the swirler, and at least one outlet orifice in fluid communication with the primary swirler venturi. A second flow of oxidizer to the swirler incurs a first pressure drop, a third flow of the oxidizer from the swirler to the annular pressure drop cavity incurs a second pressure drop, and a fourth flow of the oxidizer from the annular pressure drop cavity to the primary swirler venturi incurs a third pressure drop.Type: ApplicationFiled: February 18, 2022Publication date: August 24, 2023Inventors: Pradeep Naik, Shai Birmaher, Kwanwoo Kim, Saket Singh, Perumallu Vukanti, Karthikeyan Sampath, Steven C. Vise, Nicholas R. Overman, Michael A. Benjamin
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Patent number: 11686474Abstract: A gas turbine engine may include a combustion section having a fuel nozzle, a swirler, and a ferrule configured to mount and center the fuel nozzle with the swirler. The combustion section may further include a damper on a cold side of the combustion section. The damper may have an acoustic cavity, a damper neck, and a cavity feed hole. The damper may operate as Helmholtz cavity to absorb a hydrodynamic or acoustic instability present in a region within the swirler.Type: GrantFiled: March 4, 2021Date of Patent: June 27, 2023Assignee: GENERAL ELECTRIC COMPANYInventors: Kwanwoo Kim, Clayton Cooper, Steven Vise, Shai Birmaher, Pradeep Naik, Andrew Wickersham
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Publication number: 20220412550Abstract: A swirler-ferrule assembly includes a radial swirler, a ferrule, a fuel nozzle, and a surface feature. The radial swirler includes a primary swirler vane having a primary air passage and a secondary swirler vane having a secondary air passage. The ferrule may be connected to the radial swirler. The surface feature may be located on the primary swirler vane and/or the ferrule. The surface feature may be configured to direct an air flow through the primary air passage away from a recirculation zone located upstream of the primary swirler vane. The surface feature has a trailing end and a distal end, and the fuel nozzle is axially aligned with the trailing end of the surface feature or is located axially downstream of the trailing end of the surface feature. The surface feature may have a plurality of grooves.Type: ApplicationFiled: August 6, 2021Publication date: December 29, 2022Inventors: Steven C. Vise, Clayton S. Cooper, Michael A. Benjamin, Pradeep Naik, Kwanwoo Kim, Shai Birmaher, Perumallu Vukanti, Saket Singh, Karthikeyan Sampath
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Patent number: 11536457Abstract: The systems and methods described herein relate to a dome of a gas turbine assembly configured to suppress pressure pulsations. The systems and methods provide a dome having an aperture configured to surround an injector assembly of a combustor. The dome having a front panel extending radially from the aperture. The systems and methods couple a first cavity to the front panel. The first cavity includes a series of ducts. A first duct of the series of ducts is configured to receive airflow into the first cavity from a compressor and a second set of ducts of the series of ducts and a third duct of the series of ducts are configured to direct airflow to the combustor from the first cavity, wherein the third duct has a larger diameter than the second set of ducts.Type: GrantFiled: December 30, 2020Date of Patent: December 27, 2022Assignee: GENERAL ELECTRIC COMPANYInventors: Owen Graham, Kwanwoo Kim, Nicholas Magina, Sharath Nagaraja, Fei Han
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Publication number: 20220282870Abstract: A gas turbine engine may include a combustion section having a fuel nozzle, a swirler, and a ferrule configured to mount and center the fuel nozzle with the swirler. The combustion section may further include a damper on a cold side of the combustion section. The damper may have an acoustic cavity, a damper neck, and a cavity feed hole. The damper may operate as Helmholtz cavity to absorb a hydrodynamic or acoustic instability present in a region within the swirler.Type: ApplicationFiled: March 4, 2021Publication date: September 8, 2022Inventors: Kwanwoo Kim, Clayton Cooper, Steven Vise, Shai Birmaher, Pradeep Naik, Andrew Wickersham
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Patent number: 11384937Abstract: A swirler with integrated damper may include a primary swirler vane having a primary air passage, a secondary swirler vane having a secondary air passage, and a damper within the primary swirler vane, the secondary swirler vane, or both the primary swirler vane and the secondary swirler vane. The damper may include a series of cavities. The damper is configured to absorb one or more frequencies present in an air flow through the primary air passage, the secondary air passage, or both the primary air passage and the secondary air passage.Type: GrantFiled: May 12, 2021Date of Patent: July 12, 2022Assignee: GENERAL ELECTRIC COMPANYInventors: Karthikeyan Sampath, Ugandhar K. Reddy, Steven C. Vise, Allen M. Danis, Kwanwoo Kim, Ranganatha Narasimha Chiranthan
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Patent number: 11156162Abstract: A fluid manifold assembly for a gas turbine engine, the fluid manifold assembly including a walled conduit assembly defining a fluid passage therewithin. The fluid passage defines a pair of ends separated by a length. A connecting conduit is coupled to the end of the fluid passage and to the length of the fluid passage.Type: GrantFiled: May 23, 2018Date of Patent: October 26, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Gurunath Gandikota, Kwanwoo Kim, Hiranya Kumar Nath
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Publication number: 20210302020Abstract: The systems and methods described herein relate to a dome of a gas turbine assembly configured to suppress pressure pulsations. The systems and methods provide a dome having an aperture configured to surround an injector assembly of a combustor. The dome having a front panel extending radially from the aperture. The systems and methods couple a first cavity to the front panel. The first cavity includes a series of ducts. A first duct of the series of ducts is configured to receive airflow into the first cavity from a compressor and a second set of ducts of the series of ducts and a third duct of the series of ducts are configured to direct airflow to the combustor from the first cavity, wherein the third duct has a larger diameter than the second set of ducts.Type: ApplicationFiled: December 30, 2020Publication date: September 30, 2021Inventors: Owen Graham, Kwanwoo Kim, Nicholas Magina, Sharath Nagaraja, Fei Han
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Patent number: 11092084Abstract: A gas turbine engine includes a combustion section, the combustion section including a plurality of fuel nozzles. A fuel delivery system for the gas turbine engine includes a feed tube and a fuel manifold fluidly connected to the feed tube for receiving fuel from the feed tube. The fuel delivery system also includes a pigtail fuel line fluidly connected to the fuel manifold and configured to fluidly connect to a fuel nozzle of the plurality of fuel nozzles when the fuel delivery system is installed in the gas turbine engine. In order to reduce an amount of hydraulic instability of a fuel flow through the fuel delivery system, at least one of the fuel manifold or the pigtail fuel line includes a means for damping a hydraulic instability within the fuel delivery system.Type: GrantFiled: May 26, 2016Date of Patent: August 17, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Kwanwoo Kim, Raymond Floyd Martell, Alfred Albert Mancini, Clayton S. Cooper
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Patent number: 10941939Abstract: The systems and methods described herein relate to a dome of a gas turbine assembly configured to suppress pressure pulsations. The systems and methods provide a dome having an aperture configured to surround an injector assembly of a combustor. The dome having a front panel extending radially from the aperture. The systems and methods couple a first cavity to the front panel. The first cavity includes a series of ducts. A first duct of the series of ducts is configured to receive airflow into the first cavity from a compressor and a second set of ducts of the series of ducts and a third duct of the series of ducts are configured to direct airflow to the combustor from the first cavity, wherein the third duct has a larger diameter than the second set of ducts.Type: GrantFiled: September 25, 2017Date of Patent: March 9, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Owen Graham, Kwanwoo Kim, Nicholas Magina, Sharath Nagaraja, Fei Han
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Patent number: 10724739Abstract: The present disclosure is directed to a combustor assembly for a gas turbine engine. The combustor assembly includes an annular bulkhead adjacent to a diffuser cavity; a deflector downstream of the bulkhead and adjacent to a combustion chamber; a bulkhead support coupled to an upstream side of the deflector; a first walled enclosure coupled to the bulkhead support; and a second walled enclosure coupled to the first walled enclosure. The deflector and the bulkhead support together define a bulkhead conduit therethrough to the combustion chamber. The first walled enclosure defines a first cavity and a hot side orifice. The hot side orifice is adjacent to and in fluid communication with the bulkhead conduit. The second walled enclosure defines a second cavity and a second opening adjacent to a diffuser cavity.Type: GrantFiled: March 24, 2017Date of Patent: July 28, 2020Assignee: General Electric CompanyInventors: Kwanwoo Kim, Owen Graham, Clayton Stuart Cooper
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Patent number: 10513984Abstract: In one aspect the present subject matter is directed to a system for suppressing acoustic noise within a combustion section of a gas turbine. The system includes at least one static structure disposed forward of a combustion chamber defined within the combustion section. The static structure at least partially defines a diffuser cavity upstream of the combustion chamber. A baffle plate is coupled to the static structure. The baffle plate and the static structure at least partially define an air plenum within the combustion section forward of the combustion chamber. The baffle plate includes an aperture that provides for fluid communication between the diffuser cavity and the air plenum. The at least one static structure and the baffle plate define a Helmholtz resonator within the combustion section.Type: GrantFiled: August 25, 2015Date of Patent: December 24, 2019Assignee: General Electric CompanyInventors: Kwanwoo Kim, Fei Han, Owen Graham
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Publication number: 20190360402Abstract: A fluid manifold assembly for a gas turbine engine, the fluid manifold assembly including a walled conduit assembly defining a fluid passage therewithin. The fluid passage defines a pair of ends separated by a length. A connecting conduit is coupled to the end of the fluid passage and to the length of the fluid passage.Type: ApplicationFiled: May 23, 2018Publication date: November 28, 2019Inventors: Gurunath Gandikota, Kwanwoo Kim, Hiranya Kumar Nath
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Publication number: 20190093891Abstract: The systems and methods described herein relate to a dome of a gas turbine assembly configured to suppress pressure pulsations. The systems and methods provide a dome having an aperture configured to surround an injector assembly of a combustor. The dome having a front panel extending radially from the aperture. The systems and methods couple a first cavity to the front panel. The first cavity includes a series of ducts. A first duct of the series of ducts is configured to receive airflow into the first cavity from a compressor and a second set of ducts of the series of ducts and a third duct of the series of ducts are configured to direct airflow to the combustor from the first cavity, wherein the third duct has a larger diameter than the second set of ducts.Type: ApplicationFiled: September 25, 2017Publication date: March 28, 2019Inventors: Owen Graham, Kwanwoo Kim, Nicholas Magina, Sharath Nagaraja, Fei Han
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Patent number: 10197275Abstract: An acoustic damping device is provided that includes a resonating tube defining a resonating cavity with a predetermined characteristic length and a tube end defining a cavity opening, as well as a case configured to reversibly secure the tube end in fluidic communication with a fluid volume enclosed by a liner. The cavity opening is connected with the resonating cavity. The case includes a vented ferrule adpressed over a perforated region of the liner. The vented ferrule defines a ferrule opening that is aligned with the perforated region of the liner and the cavity opening to form the fluidic communication between the fluid volume and the resonating cavity.Type: GrantFiled: May 3, 2016Date of Patent: February 5, 2019Assignee: General Electric CompanyInventors: Kwanwoo Kim, Changjin Yoon, John Thomas Herbon
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Patent number: 10088165Abstract: A system includes a combustor having a combustion chamber and a combustor supply passage configured to supply a fluid flow into the combustion chamber. The system also includes a resonator configured to receive at least a portion of the fluid flow. The resonator comprises a frequency adjuster configured to change an attenuation frequency of the resonator.Type: GrantFiled: April 7, 2015Date of Patent: October 2, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Quoc Hoai Nguyen, Kwanwoo Kim, Whitney Epperson, Patrick Edward Pastecki, Mark Anthony Mueller