Patents by Inventor Hak Kyu Kim

Hak Kyu 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).

  • Publication number: 20240278622
    Abstract: The present invention relates to a vehicular air conditioning system and provides a vehicular air conditioning system capable of preventing overheating of an inverter that controls the rotation speed of an electric compressor without cutting off the inverter, and consequently preventing the stoppage of an air conditioner due to the cut-off of the inverter and the resultant stoppage of cooling of a passenger room. The vehicular air conditioning system includes an electric compressor, an inverter configured to control a rotation speed of the electric compressor, and a control part configured to execute control so that a refrigerant flow rate on an inlet side of the electric compressor increases when a temperature of the inverter is equal to or higher than a preset overheating warning temperature.
    Type: Application
    Filed: September 23, 2022
    Publication date: August 22, 2024
    Inventors: Hak Kyu KIM, In Hyeok KIM, Sang Jun YOO, Hong Rae JUNG
  • Publication number: 20240262166
    Abstract: Disclosed in the present invention is a vehicle heat pump system capable of improving dehumidification performance by increasing the flow of a refrigerant toward an evaporator during heating and dehumidifying modes. The vehicle heat pump system comprises: a bypass line which branches off between a first expansion valve and an outdoor heat exchanger and bypasses through the outdoor heat exchanger and the evaporator; a first refrigerant flow control valve for adjusting the opening degree between the bypass line and a refrigerant line toward the outdoor heat exchanger; a dehumidification line branching off between the first expansion valve and the first refrigerant flow control valve to supply the refrigerant to the evaporator; and a control unit for controlling the amount of refrigerant supplied to the dehumidification line according to outdoor air temperature or compressor RPM.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 8, 2024
    Inventors: Hak Kyu KIM, Bok Sun KANG, Tae Wan KIM, Jae Min LEE
  • Publication number: 20240174053
    Abstract: Heat pump system for a vehicle and method for controlling same, which can, during mode changing between air heating and conditioning, prevent noise and vibration due to a pressure difference between refrigerants and reduce delay time. Heat pump system comprises a compressor compressing and discharging refrigerant, an indoor heat exchanger in air conditioning case, causing the refrigerant discharge from the compressor to heat the air, a first expansion valve for selectively expanding the refrigerant passed through the indoor heat exchanger, an evaporator in air conditioning case, enabling refrigerant to exchange heat with air evaporating refrigerant, and a controller for controlling the opening degree of the first expansion valve during mode changing between air heating and conditioning, wherein the controller turns off the compressor and gradually opens the first expansion valve to increase the opening degree when the mode is changed from the heat pump mode to the air conditioning mode.
    Type: Application
    Filed: April 12, 2022
    Publication date: May 30, 2024
    Inventors: Hak Kyu KIM, Bok Sun KANG, Tae Wan KIM
  • Patent number: 11801729
    Abstract: Disclosed is an air conditioning apparatus for a vehicle, the air conditioning apparatus being applicable to an autonomous vehicle, etc. having console removed therefrom by ensuring a lower space of a driver's seat in a front part of the vehicle and being capable of preventing condensate water from flowing backward. The air conditioning apparatus for a vehicle comprises: an air conditioning case having an air flow path formed therein and a plurality of air discharge ports; and a cooling heat exchanger and a heating heat exchanger provided in the air flow path of the air conditioning case and exchanging heat with the air passing through the air flow path, wherein the air discharge ports include a front seat air discharge port and a back seat air discharge port, and the back seat air discharge port is arranged under the heating heat exchanger in the direction of gravity.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: October 31, 2023
    Assignee: HANON SYSTEMS
    Inventors: Yong Ho Kim, Hak Kyu Kim, Seung Kyu Oh, Jae Won Jeong
  • Patent number: 11701944
    Abstract: The present invention relates to an air conditioner for a vehicle, which can remarkably improve resistance against an air flow in an air passageway, thereby enhancing efficiency. The air conditioner for a vehicle includes: a case having an air inlet, an air outlet, and an air passageway formed therein; a blower unit for blowing air to the air inlet; and a cooling means and a heating means disposed in the air passageway of the case in an air flow direction in order, wherein the air outlet of the case includes a floor outlet and vent outlets, the floor outlet and the vent outlets are arranged below the heating means in a height direction, and the floor outlet is arranged within a range of the width of the heating means.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: July 18, 2023
    Assignee: Hanon Systems
    Inventors: Yong Ho Kim, Hak Kyu Kim, Sae Dong Eom, Seung Kyu Oh
  • Patent number: 11628706
    Abstract: The present invention relates to a coolant heater comprising: a heating element for heating coolant; a first housing for accommodating the heating element; a cover plate for sealing the first housing in which the heating element is accommodated; a temperature fuse provided in an external space formed by coupling the first housing and the cover plate, and disposed to be adjacent to the cover plate; and a second housing for pressing the temperature fuse so as to pressurize the same toward the cover plate, wherein overheat sensing responsiveness of the heating element is improved such that the overheat of the heating element can be prevented, and failure factors in a part in which the temperature fuse is coupled are reduced such that a durability is improved.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: April 18, 2023
    Assignees: Hanon Systems, DAEWOO ELECTRONIC COMPONENTS CO., LTD.
    Inventors: Kil Sang Jang, Ji Hoon Park, Jeong Hyun Son, Man Ok Lee, Bok Sun Kang, Young Chul Kim, Hak Kyu Kim, Yong Jin Moon, Seung Ho Lee, Hyun Seok Jung, Kyung Seok Cho, Yong Ha Chae
  • Publication number: 20230045531
    Abstract: Disclosed herein are a novel organometallic compound and an organic light-emitting diode including same. More specifically, an organometallic compound represented by [Chemical Formula 1] and an organic light-emitting diode including same are provided.
    Type: Application
    Filed: June 21, 2022
    Publication date: February 9, 2023
    Inventors: Chun-Young Lee, Hak-Kyu Kim, Tae-Young Kim
  • Publication number: 20220371398
    Abstract: Disclosed is an air conditioning apparatus for a vehicle, the air conditioning apparatus being applicable to an autonomous vehicle, etc. having console removed therefrom by ensuring a lower space of a driver's seat in a front part of the vehicle and being capable of preventing condensate water from flowing backward. The air conditioning apparatus for a vehicle comprises: an air conditioning case having an air flow path formed therein and a plurality of air discharge ports; and a cooling heat exchanger and a heating heat exchanger provided in the air flow path of the air conditioning case and exchanging heat with the air passing through the air flow path, wherein the air discharge ports include a front seat air discharge port and a back seat air discharge port, and the back seat air discharge port is arranged under the heating heat exchanger in the direction of gravity.
    Type: Application
    Filed: November 4, 2020
    Publication date: November 24, 2022
    Inventors: Yong Ho KIM, Hak Kyu KIM, Seung Kyu OH, Jae Won JEONG
  • Patent number: 11413935
    Abstract: The present invention relates to a coolant heater. The purpose of the present invention, a coolant heater which effectively heats coolant of a vehicle by means of a heating unit, is to provide a coolant heater having improved sensitivity and responsiveness to over-heating and assured stability by utilizing a temperature fuse to prevent over-heating. Another purpose of the present invention is to provide a coolant heater having enhanced durability of the temperature fuse coupling part by improving the structure by which the temperature fuse is fixed.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 16, 2022
    Assignees: Hanon Systems, DAEWOO ELECTRONIC COMPONENTS CO., LTD.
    Inventors: Yong Ha Chae, Ji Hoon Park, Jeong Hyun Son, Man Ok Lee, Bok Sun Kang, Young Chul Kim, Hak Kyu Kim, Yong Jin Moon, Seung Ho Lee, Kil Sang Jang, Hyun Seok Jung, Kyung Seok Cho
  • Publication number: 20220194162
    Abstract: The present invention relates to an air conditioner for a vehicle, which can remarkably improve resistance against an air flow in an air passageway, thereby enhancing efficiency. The air conditioner for a vehicle includes: a case having an air inlet, an air outlet, and an air passageway formed therein; a blower unit for blowing air to the air inlet; and a cooling means and a heating means disposed in the air passageway of the case in an air flow direction in order, wherein the air outlet of the case includes a floor outlet and vent outlets, the floor outlet and the vent outlets are arranged below the heating means in a height direction, and the floor outlet is arranged within a range of the width of the heating means.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 23, 2022
    Inventors: Yong Ho KIM, Hak Kyu KIM, Sae Dong EOM, Seung Kyu OH
  • Patent number: 11305608
    Abstract: The present invention relates to an air conditioner for a vehicle having a rear seat outlet, which can relieve temperature inversion that discharge temperature of the console vent becomes higher than discharge temperature of a rear seat floor vent in a bi-level mode, and prevent reduction of air volume of the console vent in the cooling mode. The air conditioner for a vehicle, which has a rear seat outlet, includes an air-conditioning case having an air passageway formed therein and a plurality of air outlets, and a cooling heat exchanger and a heating heat exchanger disposed in the air passageway of the air-conditioning case to exchange heat with air passing through the air passageway. Wherein the air outlets include a console vent and a rear seat floor vent, and an entrance of the rear seat floor vent is formed above an entrance of the console vent.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: April 19, 2022
    Assignee: HANON SYSTEMS
    Inventors: Yong Ho Kim, Chui Hee Kim, Hak Kyu Kim, Byeong Ha Lee, Yong Seon Lee, Jun Min Lee, Jae O Jung, Jae Won Jeong
  • Patent number: 11299005
    Abstract: The present invention relates to an air conditioner for a vehicle, which can remarkably improve resistance against an air flow in an air passageway, thereby enhancing efficiency. The air conditioner for a vehicle includes: a case having an air inlet, an air outlet, and an air passageway formed therein; a blower unit for blowing air to the air inlet; and a cooling means and a heating means disposed in the air passageway of the case in an air flow direction in order, wherein the air outlet of the case includes a floor outlet and vent outlets, the floor outlet and the vent outlets are arranged below the heating means in a height direction, and the floor outlet is arranged within a range of the width of the heating means.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 12, 2022
    Assignee: Hanon Systems
    Inventors: Yong Ho Kim, Hak Kyu Kim, Sae Dong Eom, Seung Kyu Oh
  • Patent number: 11034207
    Abstract: A heat pump system including a compressor mounted on a refrigerant circulation line for compressing and discharging refrigerant. An internal heat exchanger is mounted inside an air-conditioning case. An evaporator is mounted inside the air-conditioning case. An external heat exchanger is mounted outside the air-conditioning case. A first expansion means is mounted on the refrigerant circulation line between the internal heat exchanger and the external heat exchanger to selectively expand refrigerant discharged from the internal heat exchanger. A second expansion means is mounted on the refrigerant circulation line of an inlet side of the evaporator to expand the refrigerant supplied to the evaporator. A coolant circulation line is configured to circulate coolant toward electronic units of the vehicle. A refrigerant-coolant heat exchanger is configured to exchange heat between the refrigerant flowing the refrigerant circulation line and the coolant circulating through the coolant circulation line.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: June 15, 2021
    Assignee: HANON SYSTEMS
    Inventors: Young Ho Choi, Sung Ho Kang, Hak Kyu Kim, Seung Ho Lee, Jae Min Lee, Jung Jae Lee
  • Publication number: 20210070147
    Abstract: The present invention relates to a coolant heater. The purpose of the present invention, a coolant heater which effectively heats coolant of a vehicle by means of a heating unit, is to provide a coolant heater having improved sensitivity and responsiveness to over-heating and assured stability by utilizing a temperature fuse to prevent over-heating. Another purpose of the present invention is to provide a coolant heater having enhanced durability of the temperature fuse coupling part by improving the structure by which the temperature fuse is fixed.
    Type: Application
    Filed: March 22, 2019
    Publication date: March 11, 2021
    Inventors: Yong Ha Chae, Ji Hoon Park, Jeong Hyun Son, Man Ok Lee, Bok Sun Kang, Young Chul Kim, Hak Kyu Kim, Yong Jin Moon, Seung Ho Lee, Kil Sang Jang, Hyun Seok Jung, Kyung Seok Cho
  • Patent number: 10752092
    Abstract: The present invention relates to a vehicular heat pump system and, more specifically, to a vehicular heat pump system having a chiller for heat exchanging cooling water circulating through vehicle electrical equipment (200), a refrigerant discharged from an outdoor heat exchanger so as to flow through a first bypass line (R1), and a refrigerant discharged from an indoor heat exchanger, thereby: in the air conditioner mode, increasing sub-cool while the refrigerant discharged from the indoor heat exchanger is first cooled at the chiller and then is second cooled at the outdoor heat exchanger such that the flow rate of refrigerants increases and cooling performance is improved; in the heat pump mode, allowing the refrigerant discharged from the indoor heat exchanger to ensure sub-cool in the chiller so as to increase the flow rate of refrigerants, and allowing the refrigerant discharged from the outdoor heat exchanger to receive an additional heating source from the chiller so as to improve heating performance;
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: August 25, 2020
    Assignee: HANON SYSTEMS
    Inventors: Young Ho Choi, Chan Joo Maeng, Seung Ho Lee, Jung Jae Lee, Hak Kyu Kim, Sung Ho Kang, Jae Min Lee
  • Patent number: 10744850
    Abstract: The present invention relates to a heat pump system for a vehicle. The heat pump system includes a refrigerant-coolant heat exchanger for exchanging heat between refrigerant circulating through a refrigerant circulation line and coolant circulating through electronic units of the vehicle. The heat pump system can operate the heat pump mode even though outdoor air temperature is zero or lower or frosting is formed on the external heat exchanger because waste heat of the electronic units is retrieved through the refrigerant-coolant heat exchanger, thereby further enhancing heating performance and efficiency.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: August 18, 2020
    Assignee: HANON SYSTEMS
    Inventors: Sung Ho Kang, Hak Kyu Kim, Jae Min Lee, Jung Jae Lee, Young Ho Choi
  • Publication number: 20200238789
    Abstract: The present invention relates to an air conditioner for a vehicle having a rear seat outlet, which can relieve temperature inversion that discharge temperature of the console vent becomes higher than discharge temperature of a rear seat floor vent in a bi-level mode, and prevent reduction of air volume of the console vent in the cooling mode. The air conditioner for a vehicle, which has a rear seat outlet, includes an air-conditioning case having an air passageway formed therein and a plurality of air outlets, and a cooling heat exchanger and a heating heat exchanger disposed in the air passageway of the air-conditioning case to exchange heat with air passing through the air passageway, wherein the air outlets include a console vent and a rear seat floor vent, and an entrance of the rear seat floor vent is formed above an entrance of the console vent.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 30, 2020
    Inventors: Yong Ho KIM, Chul Hee Kim, Hak Kyu Kim, Byeong Ha Lee, Yong Seon Lee, Jun Min Lee, Jae O Jung, Jae Won Jeong
  • Publication number: 20200094653
    Abstract: The present invention relates to a coolant heater comprising: a heating element for heating coolant; a first housing for accommodating the heating element; a cover plate for sealing the first housing in which the heating element is accommodated; a temperature fuse provided in an external space formed by coupling the first housing and the cover plate, and disposed to be adjacent to the cover plate; and a second housing for pressing the temperature fuse so as to pressurize the same toward the cover plate, wherein overheat sensing responsiveness of the heating element is improved such that the overheat of the heating element can be prevented, and failure factors in a part in which the temperature fuse is coupled are reduced such that a durability is improved.
    Type: Application
    Filed: August 22, 2018
    Publication date: March 26, 2020
    Applicants: Hanon Systems, DAEWOO ELECTRONIC COMPONENTS CO., LTD.
    Inventors: Kil Sang JANG, Ji Hoon PARK, Jeong Hyun SON, Man Ok LEE, Bok Sun KANG, Young Chul KIM, Hak Kyu KIM, Yong Jin MOON, Seung Ho LEE, Hyun Seok JUNG, Kyung Seok CHO, Yong Ha CHAE
  • Publication number: 20190322155
    Abstract: The heater module includes a fluid pump including a pump inlet configured to introduce cooling water thereinto, a pump outlet configured to pressurize and discharge the introduced cooling water, cooling water heating heater including a heater inlet configured to introduce thereinto the cooling water discharged from the pump outlet of the fluid pump, a heating unit configured to heat the introduced cooling water, a heater outlet configured to discharge the heated cooling water, a flow channel switch valve for switching a circulation flow channel of the cooling water, wherein the fluid pump is integrally formed with one side of the cooling water heating heater to embody both a heating mode and a battery temperature-rising mode by one heater module for heating cooling water. Thus, a connection hose for connection components is removed or a length thereof is minimized, a fluid pump and a valve housing are reduced, thereby reducing costs.
    Type: Application
    Filed: April 19, 2019
    Publication date: October 24, 2019
    Inventors: In Hyeok KIM, Jung Jae LEE, Jae Yeong JU, Young Chul KIM, Hak Kyu KIM, Hyuk KIM, Jong Du LEE
  • Patent number: D942776
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: February 8, 2022
    Inventor: Hak Kyu Kim