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: 20240278622Abstract: 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: ApplicationFiled: September 23, 2022Publication date: August 22, 2024Inventors: Hak Kyu KIM, In Hyeok KIM, Sang Jun YOO, Hong Rae JUNG
-
Publication number: 20240262166Abstract: 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: ApplicationFiled: April 25, 2022Publication date: August 8, 2024Inventors: Hak Kyu KIM, Bok Sun KANG, Tae Wan KIM, Jae Min LEE
-
Publication number: 20240174053Abstract: 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: ApplicationFiled: April 12, 2022Publication date: May 30, 2024Inventors: Hak Kyu KIM, Bok Sun KANG, Tae Wan KIM
-
Patent number: 11801729Abstract: 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: GrantFiled: November 4, 2020Date of Patent: October 31, 2023Assignee: HANON SYSTEMSInventors: Yong Ho Kim, Hak Kyu Kim, Seung Kyu Oh, Jae Won Jeong
-
Patent number: 11701944Abstract: 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: GrantFiled: March 9, 2022Date of Patent: July 18, 2023Assignee: Hanon SystemsInventors: Yong Ho Kim, Hak Kyu Kim, Sae Dong Eom, Seung Kyu Oh
-
Patent number: 11628706Abstract: 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: GrantFiled: August 22, 2018Date of Patent: April 18, 2023Assignees: 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: 20230045531Abstract: 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: ApplicationFiled: June 21, 2022Publication date: February 9, 2023Inventors: Chun-Young Lee, Hak-Kyu Kim, Tae-Young Kim
-
Publication number: 20220371398Abstract: 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: ApplicationFiled: November 4, 2020Publication date: November 24, 2022Inventors: Yong Ho KIM, Hak Kyu KIM, Seung Kyu OH, Jae Won JEONG
-
Patent number: 11413935Abstract: 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: GrantFiled: March 22, 2019Date of Patent: August 16, 2022Assignees: 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: 20220194162Abstract: 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: ApplicationFiled: March 9, 2022Publication date: June 23, 2022Inventors: Yong Ho KIM, Hak Kyu KIM, Sae Dong EOM, Seung Kyu OH
-
Patent number: 11305608Abstract: 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: GrantFiled: January 28, 2020Date of Patent: April 19, 2022Assignee: HANON SYSTEMSInventors: 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: 11299005Abstract: 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: GrantFiled: March 20, 2019Date of Patent: April 12, 2022Assignee: Hanon SystemsInventors: Yong Ho Kim, Hak Kyu Kim, Sae Dong Eom, Seung Kyu Oh
-
Patent number: 11034207Abstract: 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: GrantFiled: March 19, 2015Date of Patent: June 15, 2021Assignee: HANON SYSTEMSInventors: Young Ho Choi, Sung Ho Kang, Hak Kyu Kim, Seung Ho Lee, Jae Min Lee, Jung Jae Lee
-
Publication number: 20210070147Abstract: 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: ApplicationFiled: March 22, 2019Publication date: March 11, 2021Inventors: 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: 10752092Abstract: 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: GrantFiled: March 15, 2016Date of Patent: August 25, 2020Assignee: HANON SYSTEMSInventors: Young Ho Choi, Chan Joo Maeng, Seung Ho Lee, Jung Jae Lee, Hak Kyu Kim, Sung Ho Kang, Jae Min Lee
-
Patent number: 10744850Abstract: 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: GrantFiled: April 2, 2019Date of Patent: August 18, 2020Assignee: HANON SYSTEMSInventors: Sung Ho Kang, Hak Kyu Kim, Jae Min Lee, Jung Jae Lee, Young Ho Choi
-
Publication number: 20200238789Abstract: 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: ApplicationFiled: January 28, 2020Publication date: July 30, 2020Inventors: 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: 20200094653Abstract: 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: ApplicationFiled: August 22, 2018Publication date: March 26, 2020Applicants: 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: 20190322155Abstract: 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: ApplicationFiled: April 19, 2019Publication date: October 24, 2019Inventors: In Hyeok KIM, Jung Jae LEE, Jae Yeong JU, Young Chul KIM, Hak Kyu KIM, Hyuk KIM, Jong Du LEE
-
Patent number: D942776Type: GrantFiled: October 25, 2019Date of Patent: February 8, 2022Inventor: Hak Kyu Kim