Patents by Inventor Hun Cha

Hun Cha 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).

  • Patent number: 11719156
    Abstract: A combined power generation system is provided. The combined power generation system includes a gas turbine configured to combust fuel to generate a rotational force, a heat recovery steam generator (HRSG) configured to heat feedwater using combustion gas discharged from the gas turbine and include a high-pressure section, a medium-pressure section, and a low-pressure section with different pressure levels, a fuel preheater configured to heat the fuel supplied to the gas turbine and include a primary heating part and a secondary heating part, and a high-pressure feedwater supply pipe connected to the high-pressure section to supply high-pressure feedwater to the secondary heating part.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: August 8, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Byoung Gu Bak, Song Hun Cha, Sung Gju Kang, Hong Geun Ha
  • Patent number: 11702964
    Abstract: Disclosed is a hybrid power generation facility.
    Type: Grant
    Filed: December 13, 2020
    Date of Patent: July 18, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Song-Hun Cha, Hyun Soo An, Sung Gju Kang, Young Gun Go, Kyoung Taek Oh, SangPil Jo
  • Publication number: 20230131286
    Abstract: A combined power plant is provided. The combined power plant includes a gas turbine configured to combust fuel to generate a rotating force, a boiler configured to heat water to generate steam, an ammonia decomposition apparatus configured to receive a combustion gas generated in the gas turbine to thermally decompose ammonia to generate a decomposed gas containing hydrogen, nitrogen, and a residual ammonia, a steam turbine configured to generate a rotating force using the steam generated in the boiler, and a decomposed gas supply line configured to supply the decomposed gas generated in the ammonia decomposition apparatus to a combustor of the gas turbine.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 27, 2023
    Inventors: Sung Gju KANG, Hyun Hu KANG, Gwang Soo JANG, Song Hun CHA
  • Patent number: 11572831
    Abstract: Disclosed are a hybrid power generation facility and a control method thereof.
    Type: Grant
    Filed: December 13, 2020
    Date of Patent: February 7, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Song-Hun Cha, Sung Gju Kang, Hyo Jun Kim, Dong Hun Kim, Ki Hyun Lee, Sang Wook Kim
  • Patent number: 11558749
    Abstract: An electronic device is provided. The electronic device includes a UICC in which a first profile is installed, an eUICC, and a processor electrically connected with the UICC and the eUICC. The processor requests a second profile to be installed in the eUICC from a first server based on the first profile, receives the second profile from a second server associated with the first server, and installs the received second profile in the eUICC. The second profile and the first profile include the same subscriber identification information.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Sik Park, Sang Hwi Lee, Do Hun Cha, Sun Min Hwang
  • Publication number: 20220316395
    Abstract: A combined power generation system is provided. The combined power generation system includes a gas turbine configured to combust fuel to generate a rotational force, a heat recovery steam generator (HRSG) configured to heat feedwater using combustion gas discharged from the gas turbine and include a high-pressure section, a medium-pressure section, and a low-pressure section with different pressure levels, a fuel preheater configured to heat the fuel supplied to the gas turbine and include a primary heating part and a secondary heating part, and a high-pressure feedwater supply pipe connected to the high-pressure section to supply high-pressure feedwater to the secondary heating part.
    Type: Application
    Filed: February 22, 2022
    Publication date: October 6, 2022
    Inventors: Byoung Gu BAK, Song Hun CHA, Sung Gju KANG, Hong Geun HA
  • Publication number: 20220263161
    Abstract: A battery module includes a plurality of battery cells assemblies, each having a plurality of battery cells stacked on each other; and at least one cooling unit provided between the plurality of battery cells assemblies and filled with a predetermined coolant therein, the at least one cooling unit having at least one membrane member provided at one end thereof to be opened or closed according to a change of an internal pressure thereof.
    Type: Application
    Filed: July 2, 2020
    Publication date: August 18, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hun CHA, Jong-Seung NA, Sang-Jun PARK
  • Patent number: 11391204
    Abstract: Disclosed is a hybrid power generation facility. The hybrid power generation facility includes a gas turbine including a compressor configured to compress air introduced from an outside, a combustor configured to mix the compressed air with fuel and to combust the air and fuel mixture, and a turbine configured to produce power with first combustion gas discharged from the combustor, a boiler including a combustion chamber and configured to burn a mixture of the first combustion gas and air, a first water heat exchanger configured to pass second combustion gas discharged from the boiler and to heat water through heat exchange with the second combustion gas, a water supply device configured to supply water to the first water heat exchanger, a steam turbine through which steam generated in the combustion chamber passes, and a first air preheater configured to pass second combustion gas discharged from the first water heat exchanger and to pass air supplied to the boiler.
    Type: Grant
    Filed: December 13, 2020
    Date of Patent: July 19, 2022
    Inventors: Song-Hun Cha, Sung Gju Kang, Ki Hyun Lee
  • Patent number: 11359518
    Abstract: A combined cycle power plant is capable of improving power output and power generation efficiency by cooling intake air supplied to a gas turbine. The plant includes a gas turbine power generation system, an operating fluid power generation system, and a cooling system. The gas turbine power generation system includes an air compressor for compressing air supplied through an air incoming path, a gas turbine for generating rotary power by burning a mixture of fuel and the air compressed by the air compressor, and a first generator for generating electricity by using the rotary power of the gas turbine. The operating fluid power generation system heats an operating fluid by using combustion gas discharged from the gas turbine and generates electricity using the heated operating fluid. The cooling system cools air supplied from the air compressor by supplying the operating fluid to an upstream side of the air compressor.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: June 14, 2022
    Inventors: Jun Tae Jang, Sang Hyeun Kim, Hwa Chang Sung, Gon Joo Lee, Song Hun Cha
  • Patent number: 11360347
    Abstract: A window substrate integrated with a polarizing plate and a method of preparing the same is provided. A window substrate integrated with a polarizing plate comprises a base substrate, a non-display pattern disposed on a non-display part of one surface of the base substrate, and a liquid crystal polarizing layer disposed on a display part of the same surface as the non-display pattern. A display device having a reduced thickness and a colored non-display pattern is achieved using the widow substrate.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: June 14, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jae Hun Cha, Jong Min Kim, Il Woo Park, Han Bae Lee, Jin Gyu Cha
  • Patent number: 11340654
    Abstract: A portable communication device is provided. The portable communication device includes a window having a flat window area and a curved window area extending from the flat window area. In addition, the portable communication device includes a display disposed beneath the window and including a flat display area, a curved display area extending from the flat display area, and a wiring area extending from the curved display area. Additionally, the portable communication device includes a fixed part supporting at least one portion of the flat display area and at least one portion of the curved display area, and a bracket supporting at least one portion of the curved display area and at least one portion of the wiring area.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: May 24, 2022
    Inventors: Woon Geun Kwak, Jung Sik Park, Do Hun Cha
  • Patent number: 11326513
    Abstract: Disclosed is a hybrid power generation facility.
    Type: Grant
    Filed: December 13, 2020
    Date of Patent: May 10, 2022
    Inventors: Song-Hun Cha, Sung Gju Kang, Ki Hyun Lee
  • Publication number: 20220136438
    Abstract: Disclosed are a hybrid power generation facility and a control method thereof.
    Type: Application
    Filed: December 13, 2020
    Publication date: May 5, 2022
    Inventors: Song-Hun Cha, Sung Gju Kang, Hyo Jun Kim, Dong Hun Kim, Ki Hyun Lee, Sang Wook Kim
  • Publication number: 20220136436
    Abstract: Disclosed is a hybrid power generation facility.
    Type: Application
    Filed: December 13, 2020
    Publication date: May 5, 2022
    Inventors: Song-Hun CHA, Sung Gju Kang, Ki Hyun Lee
  • Publication number: 20220136411
    Abstract: Disclosed is a hybrid power generation facility.
    Type: Application
    Filed: December 13, 2020
    Publication date: May 5, 2022
    Inventors: Song-Hun CHA, Hyun Soo AN, Sung Gju KANG, Young Gun GO, Kyoung Taek OH, SangPil JO
  • Publication number: 20220136412
    Abstract: Disclosed is a hybrid power generation facility. The hybrid power generation facility includes a gas turbine including a compressor configured to compress air introduced from an outside, a combustor configured to mix the compressed air with fuel and to combust the air and fuel mixture, and a turbine configured to produce power with first combustion gas discharged from the combustor, a boiler including a combustion chamber and configured to burn a mixture of the first combustion gas and air, a first water heat exchanger configured to pass second combustion gas discharged from the boiler and to heat water through heat exchange with the second combustion gas, a water supply device configured to supply water to the first water heat exchanger, a steam turbine through which steam generated in the combustion chamber passes, and a first air preheater configured to pass second combustion gas discharged from the first water heat exchanger and to pass air supplied to the boiler.
    Type: Application
    Filed: December 13, 2020
    Publication date: May 5, 2022
    Inventors: Song-Hun CHA, Sung Gju KANG, Ki Hyun LEE
  • Publication number: 20220077526
    Abstract: A cylindrical secondary battery includes a first gasket and a second gasket having a modified shape to secure hermetic sealability and insulation. The battery includes a cylindrical can for receiving an electrode assembly, a cap assembly located at the upper part of the cylindrical can, a first gasket for covering outer circumferential edges of a top cap and a venting member of the cap assembly, a current interrupt device (CID) located at the lower part of the cap assembly, and a second gasket along the outer circumferential edge of the current interrupt device. An upper end portion of the first gasket covers the upper surface of the outer circumferential edge of the top cap, and includes a recessed portion in its inner surface configured to prevent the first gasket from being brought into tight contact with the upper surface of the outer circumferential edge of the top cap.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Hee Park, Se Won Kim, Hun Cha, Jong Seung Na, Sang Woo Kim, Sang Jun Park
  • Patent number: 11228091
    Abstract: Disclosed is an electronic device, which includes a housing, a display that is exposed through a first region of a front surface of the housing, a first antenna radiator that is positioned within the housing, and a communication circuit that is positioned within the housing. The display includes a pixel layer including pixels and a conductive sheet layer under the pixel layer. The conductive sheet layer includes a first conductive region, a second conductive region, and a slit interposed between the first conductive region and the second conductive region. The first antenna radiator is electrically connected with the first conductive region of the conductive sheet layer. The communication circuit receives a signal in a specified frequency band through the first antenna radiator and the first conductive region. Above this, various embodiments figured out through the specification are possible.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do Hun Cha, Jung Sik Park, Se Hwan Choi
  • Patent number: 11217836
    Abstract: Disclosed is a cooling jacket configured to be disposed close to one surface of a battery cell to absorb heat of the battery cell, the cooling jacket including a cooling plate and a plurality of cooling channels extending therein. The plurality of cooling channels include a coolant supply manifold channel and a coolant discharge manifold channel respectively disposed at first and second sides of the cooling plate and each extending in a longitudinal direction from an inside of the cooling plate to an outside of the cooling plate so that one end thereof is exposed to the outside of the cooling plate; and non-uniform cooling channels spaced apart from each other by a predetermined distance and each having first and second ends respectively connected to the coolant supply manifold channel and the coolant discharge manifold channel, the non-uniform cooling channels having widths that are non-uniform in the longitudinal direction.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: January 4, 2022
    Inventors: Hun Cha, Sang-Il Son, Yong-Seok Choi, Sang-Woo Ryu
  • Publication number: 20210407145
    Abstract: Provided is a method of compressing an occupancy map of a three-dimensional (3D) point cloud, and more specifically, a method of compressing an occupancy map of a point cloud in which an occupancy map image of a point cloud existing in a 3D space is compressed based on a compression quality or a patch-by-patch inspection method of the occupancy map image so that compression distortion is minimized when reconstructing the compressed occupancy map image so as to remarkably improve the quality of a reconstructed occupancy map image.
    Type: Application
    Filed: June 30, 2021
    Publication date: December 30, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Eun Young CHANG, Euee Seon JANG, Tian Yu DONG, Ji Hun CHA, Kyu Tae KIM, Jae Young AHN