Patents by Inventor Gyeong Mo Nam
Gyeong Mo Nam 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).
-
Publication number: 20240052761Abstract: An exhaust gas flow regulator and a heat recovery steam generator including the same are provided. The exhaust gas flow regulator includes a plurality of first tubes spaced apart from each other in a vertical direction, a support plate disposed in a direction perpendicular to the extension direction of the first tubes and through which the plurality of first tubes penetrates, and a second tube disposed at one or both ends of the support plate so as to be coupled to the support plate and extending parallel to the first tubes, wherein the second tube is provided with a guide plate disposed to redirect exhaust gases flowing adjacent to the second tube toward the first tube.Type: ApplicationFiled: July 18, 2023Publication date: February 15, 2024Inventor: Gyeong Mo NAM
-
Publication number: 20240050910Abstract: Disclosed is a combined reformer including two or more catalyst tubes reacting at different temperatures, having different reforming reactions continuously performed as a combustion gas sequentially supplies heat to two or more catalyst tubes, and capable of easily replacing a catalyst, and a catalyst replacement method thereof.Type: ApplicationFiled: August 8, 2023Publication date: February 15, 2024Inventors: Gyeong Mo NAM, Bong Keun Kim, Su Nam You
-
Publication number: 20240025738Abstract: A combined reforming apparatus is provided. The combined reforming apparatus includes two or more catalyst tubes reacting at different temperatures, and allows different reforming reactions to be performed subsequently as the combustion gas supplies heat to two or more catalyst tubes one after another.Type: ApplicationFiled: September 28, 2023Publication date: January 25, 2024Inventors: Su Nam YOU, Bong Keun Kim, Gyeong Mo Nam
-
Publication number: 20240017230Abstract: The present disclosure provides a combined reformer capable of continuously performing different reforming reactions by sequentially supplying heat from the combustion gas to the two or more catalyst tubes that react at different temperatures. Also, the present disclosure provides a combined reformer capable of enhancing the reforming efficiency with a U-shaped first catalyst tube including a preheating section where the hydrocarbon gas is preheated, flowing parallel to the combustion gas, and a reforming section where the catalytic reforming takes place.Type: ApplicationFiled: July 13, 2023Publication date: January 18, 2024Inventors: Gyeong Mo NAM, Bong Keun KIM
-
Publication number: 20240003535Abstract: A boiler facility includes first and second fuel transfer apparatuses for transporting fine particulate fuel to a combustor. A first fuel transfer apparatus includes a main body and a diffuser. The main body has a flow space through which fuel is transferred and an inner surface that defines the flow space of the main body and includes a lower inner surface that extends obliquely downward. The diffuser is installed at a downstream end of the main body, the diffuser having a flow space through which fuel is transferred and an inner surface that defines the flow space of the first diffuser and includes a lower inner surface that extends obliquely upward. A second fuel transfer apparatus includes a transfer pipe having a flow channel, a second diffuser installed along the inner circumferential surface of the transfer pipe, and a guide installed in the second diffuser and inclined downward.Type: ApplicationFiled: September 15, 2023Publication date: January 4, 2024Applicant: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.Inventor: Gyeong Mo NAM
-
Publication number: 20230417144Abstract: Disclosed herein is a turbine blade having a leading edge, a trailing edge, a pressure side, and a suction side and having a cooling passage formed therein. The turbine blade includes a plurality of cooling holes formed on the pressure side or the suction side. Each of the cooling holes includes, a through-hole having a circular cross-section and angled outwardly toward the pressure side or the suction side from the cooling passage, a circular sink formed concavely with respect to the pressure side or the suction side in the vicinity of an upstream side of an exit of the through-hole, and an elliptical sink formed concavely with respect to the pressure side or the suction side in the vicinity of a downstream side of the exit of the through-hole.Type: ApplicationFiled: June 5, 2023Publication date: December 28, 2023Inventor: Gyeong Mo NAM
-
Patent number: 11813584Abstract: A combined reforming apparatus is provided. The combined reforming apparatus includes a body, a first catalyst tube disposed inside the body and reacting at a first temperature to reform hydrocarbons (CxHy) having two or more carbon atoms into methane (CH4), a second catalyst tube disposed inside the body, connected to the first catalyst tube, and reacting at a second temperature higher than the first temperature to reform methane (CH4) into synthesis gas comprising hydrogen (H2) and carbon monoxide (CO), and a combustion unit configured to supply heat to the first and second catalyst tubes.Type: GrantFiled: December 12, 2021Date of Patent: November 14, 2023Assignee: DOOSAN ENERBILITY CO., LTD.Inventors: Su Nam You, Bong Keun Kim, Gyeong Mo Nam
-
Patent number: 11815263Abstract: A boiler facility includes first and second fuel transfer apparatuses for transporting fine particulate fuel to a combustor. A first fuel transfer apparatus includes a main body and a diffuser. The main body has a flow space through which fuel is transferred and an inner surface that defines the flow space of the main body and includes a lower inner surface that extends obliquely downward. The diffuser is installed at a downstream end of the main body, the diffuser having a flow space through which fuel is transferred and an inner surface that defines the flow space of the first diffuser and includes a lower inner surface that extends obliquely upward. A second fuel transfer apparatus includes a transfer pipe having a flow channel, a second diffuser installed along the inner circumferential surface of the transfer pipe, and a guide installed in the second diffuser and inclined downward.Type: GrantFiled: September 29, 2020Date of Patent: November 14, 2023Assignee: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CInventor: Gyeong Mo Nam
-
Publication number: 20230106515Abstract: A pyrolysis gas reforming system is provided.Type: ApplicationFiled: December 15, 2021Publication date: April 6, 2023Inventors: Bong Keun Kim, Sung Jin Cho, Gyeong Mo Nam, Su Nam You, Jae Yong Jeong
-
Publication number: 20230104475Abstract: A combined reforming apparatus is provided. The combined reforming apparatus includes a body, a first catalyst tube disposed inside the body and reacting at a first temperature to reform hydrocarbons (CA) having two or more carbon atoms into methane (CH4), a second catalyst tube disposed inside the body, connected to the first catalyst tube, and reacting at a second temperature higher than the first temperature to reform methane (CH4) into synthesis gas comprising hydrogen (H2) and carbon monoxide (CO), a combustion unit configured to supply heat to the first and second catalyst tubes, a gas supply pipe configured to supply hydrocarbon gas to the first catalyst tube, a first steam supply pipe configured to supply steam to the first catalyst tube, and a second steam supply pipe configured to supply steam to the second catalyst tube.Type: ApplicationFiled: December 12, 2021Publication date: April 6, 2023Inventors: Gyeong Mo Nam, Bong Keun Kim, Su Nam You
-
Publication number: 20230107936Abstract: A combined reforming apparatus is provided. The combined reforming apparatus includes a body, a first catalyst tube disposed inside the body and reacting at a first temperature to reform hydrocarbons (CxHy) having two or more carbon atoms into methane (CH4), a second catalyst tube disposed inside the body, connected to the first catalyst tube, and reacting at a second temperature higher than the first temperature to reform methane (CH4) into synthesis gas comprising hydrogen (H2) and carbon monoxide (CO), and a combustion unit configured to supply heat to the first and second catalyst tubes.Type: ApplicationFiled: December 12, 2021Publication date: April 6, 2023Inventors: Su Nam You, Bong Keun Kim, Gyeong Mo Nam
-
Publication number: 20230105183Abstract: A combined reforming apparatus is provided. The combined reforming apparatus includes a body, a plurality of first catalyst tubes disposed inside the body and reacting at a first temperature to reform hydrocarbons (CxHy) having two or more carbon atoms into methane (CH4), a plurality of second catalyst tubes disposed inside the body, connected to the plurality of first catalyst tubes, and reacting at a second temperature higher than the first temperature to reform methane (CH4) into synthesis gas containing hydrogen (H2) and carbon monoxide (CO), a combustion unit configured to supply heat to the plurality of first catalyst tubes and the plurality of second catalyst tubes, and a first distributor configured to connect the plurality of first catalyst tubes to each of the second catalyst tubes to distribute steam and gas discharged from the plurality of first catalyst tubes to the plurality of second catalyst tubes.Type: ApplicationFiled: December 12, 2021Publication date: April 6, 2023Inventors: Gyeong Mo Nam, Bong Keun Kim
-
Patent number: 11149554Abstract: A structure for improving performance of cooling a blade of a gas turbine is provided in which interaction vortexes are generated between working fluid flowing along a surface of the blade and cooling fluid discharged onto the surface from an internal flow passage of the blade. The blade includes a surface structure formed by a gas hole having an outlet communicating with the surface of the blade to discharge the cooling fluid; and a vortex relief generator disposed so as to protrude from an inner periphery of the outlet and configured to generate counter vortexes having directionality opposite to the interaction vortexes so that the interaction vortexes are relieved by collision with the counter vortexes. The vortex relief generator includes a pair of opposing fins disposed in a path of the cooling fluid, each of which has a first surface to change a flow direction of the cooling fluid.Type: GrantFiled: November 13, 2019Date of Patent: October 19, 2021Inventor: Gyeong Mo Nam
-
Publication number: 20210172596Abstract: Provided are a chevron vane that traps and removes droplets contained in steam and a moisture separator including the same. The chevron vane for trapping and removing droplets contained in steam includes a main frame group including multiple main frames arranged in a flow direction of steam and pivotably connected to each other, and a collection vane group mounted on the main frame group and including multiple collection vanes for trapping droplets contained in the steam.Type: ApplicationFiled: November 4, 2020Publication date: June 10, 2021Inventor: Gyeong Mo NAM
-
Publication number: 20210108794Abstract: A boiler facility includes first and second fuel transfer apparatuses for transporting fine particulate fuel to a combustor. A first fuel transfer apparatus includes a main body and a diffuser. The main body has a flow space through which fuel is transferred and an inner surface that defines the flow space of the main body and includes a lower inner surface that extends obliquely downward. The diffuser is installed at a downstream end of the main body, the diffuser having a flow space through which fuel is transferred and an inner surface that defines the flow space of the first diffuser and includes a lower inner surface that extends obliquely upward. A second fuel transfer apparatus includes a transfer pipe having a flow channel, a second diffuser installed along the inner circumferential surface of the transfer pipe, and a guide installed in the second diffuser and inclined downward.Type: ApplicationFiled: September 29, 2020Publication date: April 15, 2021Inventor: Gyeong Mo NAM
-
Publication number: 20200149406Abstract: A structure for improving performance of cooling a blade of a gas turbine is provided in which interaction vortexes are generated between working fluid flowing along a surface of the blade and cooling fluid discharged onto the surface from an internal flow passage of the blade. The blade includes a surface structure formed by a gas hole having an outlet communicating with the surface of the blade to discharge the cooling fluid; and a vortex relief generator disposed so as to protrude from an inner periphery of the outlet and configured to generate counter vortexes having directionality opposite to the interaction vortexes so that the interaction vortexes are relieved by collision with the counter vortexes. The vortex relief generator includes a pair of opposing fins disposed in a path of the cooling fluid, each of which has a first surface to change a flow direction of the cooling fluid.Type: ApplicationFiled: November 13, 2019Publication date: May 14, 2020Inventor: Gyeong Mo Nam