Patents by Inventor Man Ju Oh

Man Ju Oh 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: 12337657
    Abstract: An integrated thermal management circuit for vehicles, includes a refrigerant line configured so that a refrigerant subsequently flows into a compressor and a refrigerant heater, the refrigerant discharged from the refrigerant heater passes through an internal condenser or an integrated chiller and then flows into an external condenser, and the refrigerant discharged from the external condenser passes through the integrated chiller or an evaporator and then flows into the compressor, a battery cooling line configured so that a coolant circulates between a battery and an integrated radiator or the integrated chiller, an electronic part cooling line configured so that the coolant circulates between an electronic driving unit and the integrated radiator or the integrated chiller, and a heat radiation control valve provided between the refrigerant heater and the internal condenser on the refrigerant line and configured to control an amount of heat radiated by the internal condenser.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: June 24, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Shin Lee, Ki Mok Kim, Man Ju Oh
  • Patent number: 12319124
    Abstract: In an embodiment a system includes a compressor, an indoor heat exchanger, an outdoor heat exchanger, a switch vale, an integrated heat exchanger a first expander and a second expander connected to the refrigerant line, wherein the switch valve is configured to selectively circulate a refrigerant from the compressor either first to the indoor heat exchanger or first to the outdoor heat exchanger, wherein the integrated heat exchanger is configured to receive the refrigerant from the indoor heat exchanger or the outdoor heat exchanger, wherein the integrated heat exchanger is configured to act as a heat pump exchanging heat between the refrigerant and a heat exchange medium, wherein the first expander is configured to selectively expand the refrigerant related to the indoor heat exchanger, wherein the second expander is configured to selectively expand the refrigerant related to the integrated heat exchanger, and a controller configured to control refrigerant circulation directions through the switching valve
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: June 3, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ki Mok Kim, Sang Shin Lee, Man Ju Oh
  • Patent number: 12319115
    Abstract: An integrated thermal management system for a fuel cell vehicle includes a fuel cell coolant line configured to circulate first coolant through a fuel cell, a battery chiller, and an integrated chiller, an indoor air-conditioning refrigerant line configured to circulate refrigerant through a first compressor, an indoor condenser, an outdoor heat exchanger, and the integrated chiller, and a battery refrigerant line configured to circulate refrigerant through a second compressor, an outdoor condenser, and the battery chiller.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: June 3, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ki Mok Kim, Sang Shin Lee, Man Ju Oh, Keun Bok Lee, Jae Hyeok Choi
  • Publication number: 20250153587
    Abstract: A battery temperature estimation method and system for improving charging efficiency through management of the temperature of a high-voltage battery provided in an electric vehicle during charging of the high-voltage battery is provided. This is achieved by sharing coolant that is either cooled or heated with coolant managed through a battery charging device outside the vehicle for thermal management of the high-voltage battery to the high-voltage battery. Furthermore, the battery temperature estimation method and system estimates a current battery temperature and a future battery temperature based on battery charging device information and vehicle information to optimize a coolant temperature during charging of the vehicle battery using the battery charging device. As a result, charging efficiency and energy efficiency is improved.
    Type: Application
    Filed: August 15, 2024
    Publication date: May 15, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sang Shin Lee, Man Ju Oh, Ki Mok Kim, Uk Il Yang
  • Patent number: 12251984
    Abstract: An integrated thermal management system for a vehicle includes a refrigerant line; a first coolant line for circulating coolant and connecting a first radiator, the high-temperature core, a heating core of an internal air conditioner, and a high-voltage battery with each other in parallel; a second coolant line for circulating coolant and connecting a second radiator, an electronic driving part, the low-temperature core, and a cooling core of the internal air conditioner with each other in parallel; and a third coolant line for circulating coolant and connecting a third radiator and the high-voltage battery to the second coolant line in parallel.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: March 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Shin Lee, Man Ju Oh, Ki Mok Kim, Uk Il Yang
  • Publication number: 20250065693
    Abstract: A vehicle thermal management circuit includes a refrigerant line configured to cause refrigerant to flow in the order of a compressor, an indoor condenser and an outdoor heat exchanger of an indoor air-conditioning apparatus, a battery cooling line configured to circulate cooling water between a battery and a battery radiator or between the battery and a chiller unit, an electric part cooling line configured to circulate cooling water between an electronic driving unit and an electric part radiator or between the driving unit and the chiller, and an accumulation unit located at an upstream point of the compressor on the refrigerant line, includes an expansion valve and a refrigerant heater, and is configured to receive the refrigerant discharged from the chiller or the evaporator and provide the received refrigerant to the compressor or to expand or heat the refrigerant and provides the expanded or heated refrigerant to the compressor.
    Type: Application
    Filed: September 9, 2024
    Publication date: February 27, 2025
    Inventors: Uk Il Yang, Man Ju Oh, Ki Mok Kim, Sang Shin Lee
  • Patent number: 12200831
    Abstract: A heating film may include a base layer made of polymer resin, a plurality of electrode lines spaced from each other and disposed on the base layer, a mesh-type support layer disposed between the electrode lines and made of a thermally conductive material, and a heating layer that has first and second end portions connected to the respective electrode lines, is made of a carbon composite material, and generates heat when powered.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: January 14, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KWANG JIN WINTEC CO LTD, SEOYON E-HWA CO LTD, INTERFLEX CO LTD
    Inventors: So La Chung, Hyeon Kyu Yang, Man Ju Oh, Ho Cheol Choi, Seung Joon Lee, Jin Keum
  • Publication number: 20240408935
    Abstract: An embodiment refrigerant module of an integrated thermal management system for a vehicle is configured such that a refrigerant circulates sequentially through a compressor, a condenser, a heat exchanger, an expansion valve, an evaporator, and a vapor-liquid separator. The heat exchanger and the expansion valve are disposed below at least one of the condenser and the evaporator, thereby performing heat exchange between the refrigerant discharged from the condenser and the refrigerant discharged from the vapor-liquid separator.
    Type: Application
    Filed: August 19, 2024
    Publication date: December 12, 2024
    Inventors: Sang Shin Lee, Ki Mok Kim, Man Ju Oh, Man Hee Kim, Se Min Lee, Bong Jun Park
  • Patent number: 12157345
    Abstract: An integrated thermal management circuit for a vehicle is introduced, which includes a refrigerant line on which a refrigerant flows into the compressor; a battery cooling line making a cooling water circulate between a battery and a battery radiator or between the battery and the battery chiller; an electric cooling line making the cooling water circulate between an electronic driving unit and an electric radiator or between the electronic driving unit and the electric chiller; and a chiller control valve provided at an upstream point of the electric chiller and the battery chiller on the chiller line, and making the refrigerant discharged from the external heat exchanger flow into the electric chiller or the battery chiller.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: December 3, 2024
    Assignees: Hyundai Motor Corporation, Kia Corporation
    Inventors: Ki Mok Kim, Man Ju Oh, Sang Shin Lee, Uk Il Yang
  • Publication number: 20240375484
    Abstract: A refrigerant circuit includes an auxiliary heat exchanger for adjusting the temperature of refrigerant, a compressor, a condenser, an expansion valve, and an evaporator. The auxiliary heat exchanger selectively operates through a plurality of switch valves. Thus, the temperature of the refrigerant is efficiently managed according to situations, thereby improving cooling and warming performance. An integrated thermal management system includes the auxiliary heat exchanger configured to exchange heat with outside air, thereby efficiently managing the temperature of the refrigerant and simplifying the structure thereof.
    Type: Application
    Filed: November 21, 2023
    Publication date: November 14, 2024
    Inventors: Sang Shin LEE, Ki Mok KIM, Man Ju OH
  • Patent number: 12128733
    Abstract: An integrated thermal management circuit for a vehicle includes an electrical component line having a first radiator, a battery line having a second radiator, an integration line branching from the electrical component line and the battery line and joined to the electrical component line and the battery line, a refrigerant line having a cooling core and in which a refrigerant flows, a chiller connected to the integration line and the refrigerant line, and a control valve provided to control a flow of coolant from the integration line through the chiller.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: October 29, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Wia Corporation
    Inventors: Man Hee Kim, Man Ju Oh, Sang Shin Lee
  • Patent number: 12128732
    Abstract: A refrigerant-heating device and a heat pump system including the same are described. The refrigerant-heating device includes a heating tank including an inlet, through which a refrigerant discharged from a compressor flows thereinto, and a heat exchange outlet, from which the refrigerant therein is discharged, the heat exchange outlet being located at a position spaced apart from the inlet, and a heater coupled to the heating tank in a state of being inserted into the heating tank, the heater extending in a planar direction between the inlet and the heat exchange outlet and heating the refrigerant in the heating tank during operation.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: October 29, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Man Ju Oh, Ki Mok Kim
  • Patent number: 12097746
    Abstract: An embodiment heat exchanger includes a first flow path through which a refrigerant discharged from a condenser and drawn into an expansion valve flows and a second flow path through which the refrigerant discharged from a vapor-liquid separator and drawn into a compressor flows, wherein the heat exchanger is configured to perform a heat exchange between the refrigerant flowing through the first flow path and the refrigerant flowing through the second flow path.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: September 24, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai WIA Corporation
    Inventors: Sang Shin Lee, Ki Mok Kim, Man Ju Oh, Man Hee Kim, Se Min Lee, Bong Jun Park
  • Publication number: 20240270049
    Abstract: Proposed is an integrated thermal management system of which the cooling performance is secured because the entire area of a radiator is used when cooling a PE part and a battery. In particular, heat of the PE part and heat of the battery are selectively shared and thus the entire circuit of the system becomes compact and the energy efficiency is improved.
    Type: Application
    Filed: July 6, 2023
    Publication date: August 15, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Man Ju Oh, Ki Mok Kim, Sang Shin Lee
  • Publication number: 20240267999
    Abstract: An embodiment integrated warmer control system includes warmers disposed in and around a seat, a main controller configured to derive a command signal according to a temperature of an operation stage or a plurality of operation stage-specific operation temperatures of each of the warmers based on situation-specific information, and sub-controllers configured to receive the command signal according to the temperature of the operation stage or the plurality of operation stage-specific operation temperatures derived through communication with the main controller and to control the warmers to operate in response to the command signal.
    Type: Application
    Filed: July 5, 2023
    Publication date: August 8, 2024
    Inventors: So La Chung, Tae Youb Yi, Uk Il Yang, Man Ju Oh, Hyeon Kyu Yang, Ki Beom Kwon
  • Patent number: 12054031
    Abstract: In a coolant circulation system of a vehicle, a connecting unit is connected to a coolant line of a vehicle circulating through a battery of the vehicle. When connected to the coolant line, the connecting unit allows coolant to be discharged from the vehicle or be introduced into the coolant line. A supply unit includes a cooling tank in which the coolant is stored or circulates and a heating tank. The cooling tank includes an evaporation core, and the heating tank includes a condensing core. The evaporation core and the condensing core are connected to the coolant line on which a compressor, an expansion valve, and an external condenser are provided. When the connecting unit is connected to the coolant line, the supply unit is configured to supply the coolant from the cooling tank or the heating tank to the coolant line of the vehicle, cooling or heating the battery.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: August 6, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Man Ju Oh
  • Patent number: 12030406
    Abstract: A coolant circulation system for a vehicle performs heat management of a high voltage battery provided in an electric vehicle. The coolant circulation system is configured to be connected to the high voltage battery of the electric vehicle to combine coolant managed outside the electric vehicle and coolant circulated in the high voltage battery of the electric vehicle with each other to supply cooled or heated coolant to the high voltage battery. Thus, the charging efficiency is improved through temperature management of the high voltage battery when the high voltage battery is charged.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: July 9, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sang Shin Lee, Man Ju Oh, Ki Mok Kim, Dong Kyu Lee
  • Publication number: 20240191901
    Abstract: An embodiment integrated thermal management system includes a refrigerant circuit including a compressor, a condenser, an expander, and an evaporator, a first coolant line including a first heat exchanger configured to exchange heat with the evaporator of the refrigerant circuit and an internal heat exchanger configured to adjust a temperature of air-conditioning air through heat exchange with a coolant, first and second switching valves respectively disposed at front and rear ends of the internal heat exchanger in the first coolant line, a second coolant line connected to the first and second switching valves and including a second heat exchanger configured to exchange heat with the condenser of the refrigerant circuit, a third coolant line branching off from the first coolant line and including a battery, and a fourth coolant line branching off from the first coolant line and including a PE component.
    Type: Application
    Filed: April 17, 2023
    Publication date: June 13, 2024
    Inventors: Ki Mok Kim, Sang Shin Lee, Man Ju Oh
  • Publication number: 20240181846
    Abstract: A refrigerant module includes a compressor configured to discharge the refrigerant after compressing the refrigerant, a condensation core configured to discharge the refrigerant discharged from the compressor after the refrigerant exchanges heat with a coolant, an evaporation core configured to discharge the refrigerant discharged from an expansion valve after the refrigerant exchanges heat with a coolant, and a refrigerant multi-channel plate formed to have a plate shape.
    Type: Application
    Filed: July 27, 2023
    Publication date: June 6, 2024
    Inventors: Sang Shin Lee, Ki Mok Kim, Man Ju Oh, Je Min Yeon, Man Hee Kim, Se Min Lee
  • Publication number: 20240181834
    Abstract: An embodiment integrated-type air-conditioning system includes a refrigerant circuit including first and second refrigerant lines, a first coolant circuit including a battery, and a second coolant circuit including a PE part. The first refrigerant line includes a compressor, an indoor heat exchanger, a first expansion device, and an outdoor heat exchanger, and the second refrigerant line includes a second expansion device and an integrated heat exchanger. The second refrigerant line branches from a branch point between the indoor heat exchanger and the first expansion device in the first refrigerant line and branches from a point between the compressor and the indoor heat exchanger through a switching valve to be connected to the compressor. The first coolant circuit and the second coolant circuit are each connected to the integrated heat exchanger so as to allow a coolant to exchange heat with a refrigerant.
    Type: Application
    Filed: April 17, 2023
    Publication date: June 6, 2024
    Inventors: Ki Mok Kim, Sang Shin Lee, Man Ju Oh