Patents by Inventor In-tae Park

In-tae Park 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: 20250253363
    Abstract: A valve module for a vehicle includes a valve holder including a supply passage, through which fluid flows from an inlet, into which the fluid is supplied, a cutoff valve coupled to the valve holder, and that prevents or allow flow of the fluid through the supply passage, and a flow rate control valve coupled to the valve holder, and that controls a flow rate of the fluid that flows through the supply passage.
    Type: Application
    Filed: October 30, 2024
    Publication date: August 7, 2025
    Inventor: In Tae Park
  • Publication number: 20250251056
    Abstract: A valve device includes a valve base having a discharge flow path through which a target fluid is discharged, a plunger configured to be rectilinearly movable from a first position at which the plunger closes the discharge flow path to a second position at which the plunger opens the discharge flow path, a solenoid configured to provide driving power for moving the plunger, and an anti-freezing member connected to the plunger and configured to prevent freezing of the target fluid in the discharge flow path by moving in the discharge flow path in conjunction with a movement of the plunger, thereby obtaining an advantageous effect of preventing the discharge flow path through which the target fluid is discharged from being clogged, and of improving safety and reliability.
    Type: Application
    Filed: April 23, 2025
    Publication date: August 7, 2025
    Inventor: In Tae Park
  • Patent number: 12313181
    Abstract: The present disclosure relates to a valve device including a valve base having a discharge flow path through which a target fluid is discharged, a plunger configured to be rectilinearly movable from a first position at which the plunger closes the discharge flow path to a second position at which the plunger opens the discharge flow path, a solenoid configured to provide driving power for moving the plunger, and an anti-freezing member connected to the plunger and configured to prevent freezing of the target fluid in the discharge flow path by moving in the discharge flow path in conjunction with a movement of the plunger, thereby obtaining an advantageous effect of preventing the discharge flow path through which the target fluid is discharged from being clogged, and of improving safety and reliability.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: May 27, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: In Tae Park
  • Publication number: 20250129851
    Abstract: Disclosed is an opening/closing valve including a valve body defining a passage, through which a fluid flows in a first direction, a solenoid coil mounted on the valve body along the first direction to surround the passage on an outside of the passage, and a valve disk including a magnetic substance and that is rotated on the passage to open and close the passage with the solenoid coil.
    Type: Application
    Filed: September 17, 2024
    Publication date: April 24, 2025
    Inventors: In Tae Park, Hyeon Seok Ban, Gyu Young Kim
  • Publication number: 20250132359
    Abstract: An embodiment of the present disclosure provides a hydrogen purge system and a method for controlling the same, which are capable of maintaining the hydrogen purge amount constant based on differential pressure between an anode and a cathode, regardless of the size of a hydrogen purge flow path of a purge valve, by allowing the opening degree of the purge valve to the hydrogen purge flow path to be adjusted by a current control or PWM control according to a mapping of the differential pressure between the anode and the cathode of a fuel cell stack.
    Type: Application
    Filed: February 5, 2024
    Publication date: April 24, 2025
    Inventors: Gyu Young Kim, In Tae Park
  • Publication number: 20250079485
    Abstract: A nozzle assembly includes a first nozzle device that provides a fluid passage, in which a fluid flows, and a second nozzle device that surrounds the first nozzle device, and when an imaginary straight line passing through the fluid passage and extending in a direction, in which the fluid flows, is defined as a reference straight line, the first nozzle device includes a spacing area having a shape that is recessed in a direction that faces the reference straight line to be spaced apart from a portion of the second nozzle device. The nozzle assembly may be fixed to a body of a vehicle as part of an ejector for ejecting fluid having a pressure to a targeted location such as a hydrogen fuel cell of the vehicle.
    Type: Application
    Filed: August 1, 2024
    Publication date: March 6, 2025
    Inventors: Pu Reum Jeong, Hyo Sub Shim, In Tae Park, Sung Jin You, Sang Hyeok Nam, Hyeon Seok Ban, Hak Yoon Kim
  • Patent number: 12155097
    Abstract: The present disclosure provides an ejector nozzle and an ejector including the same. The ejector nozzle includes a first tube having a first flow path into which a fluid is introduced, and a second tube provided outside the first tube and having an inner diameter larger than an inner diameter of the first tube, the second tube defining a second flow path between the first tube and the second tube, in which the first tube further includes a communication port that penetrates the first tube to allow the first flow path to communicate with the second flow path and is openably and closable provided, and in which when the communication port is opened, a part of the fluid flowing in the first flow path is allowed to flow along the second flow path.
    Type: Grant
    Filed: October 10, 2023
    Date of Patent: November 26, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: In Tae Park, Hak Yoon Kim, Hyeon Seok Ban
  • Publication number: 20240234687
    Abstract: Disclosed is a positive electrode for a lithium-sulfur battery, including a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a high specific surface area, and the total pore volume in the carbonaceous material and a volume of pores having a specific diameter are controlled to specific ranges. Also disclosed is a lithium-sulfur battery using the sulfur-carbon composite. The lithium-sulfur battery shows reduced initial irreversible capacity and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 31, 2022
    Publication date: July 11, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240145673
    Abstract: Disclosed is a positive electrode for a lithium-sulfur battery. The positive electrode includes a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a high porosity and high specific surface area. Therefore, when the sulfur-carbon composite is applied to a battery, the battery shows a reduced initial irreversible capacity and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 2, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240136502
    Abstract: Disclosed is a positive electrode for a lithium-sulfur battery, including a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a high specific surface area, and the total pore volume in the carbonaceous material and a volume of pores having a specific diameter are controlled to specific ranges. Also disclosed is a lithium-sulfur battery using the sulfur-carbon composite. The lithium-sulfur battery shows reduced initial irreversible capacity and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 30, 2022
    Publication date: April 25, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240113297
    Abstract: A positive electrode for a lithium-sulfur battery is provided. The positive electrode includes a positive electrode active material comprising a first and second sulfur-carbon composites respectively comprising a first and a second carbonaceous materials having a different specific surface area and pore volume from each other, and provides reduced initial irreversible capacity and improved output characteristics and life characteristics of a secondary battery.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 4, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Patent number: 11940058
    Abstract: A solenoid valve includes a plunger configured to be movable in two opposite directions, a damper member inserted into the plunger and having at least a part protruding outward from the plunger, and a pilot member disposed in a lower region of the plunger and having a pilot flow path formed therein, in which the damper member comes into close contact with the pilot member and closes the pilot flow path when the plunger moves downward by a predetermined distance toward the pilot member.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: March 26, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SAMBO MOTORS CO., LTD
    Inventors: In Tae Park, Ji Gyeon Kim, Jun Young Park, Dong Woo Kim
  • Publication number: 20240079588
    Abstract: A method for preparing a sulfur-carbon composite including a step of pretreating a carbon material is provided. The method is capable of removing water and other impurities from the carbon material effectively, and the sulfur-carbon composite obtained by the method used as a positive electrode active material of a lithium-sulfur battery provides improved sulfur supportability and over-voltage performance of the lithium-sulfur battery, reduced initial irreversible capacity of the positive electrode active material, and improved output characteristics and life characteristics.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 7, 2024
    Inventors: In-Tae Park, Myeong-Jun Song, Yong-Hwi Kim, Seong-Hyo Park, Hyun-Soo Lee, Ran Choi
  • Patent number: 11906054
    Abstract: The present disclosure relates to a solenoid valve including: a valve seat having a valve flow path; a plunger; a support member disposed at an end of the plunger facing the valve flow path, the support member having an insertion hole into which the valve seat is inserted, and the support member being connected to a spring member configured to elastically support a movement of the plunger; a valve member seated in the support member; an inclined guide surface provided along a periphery of the valve seat; and an inclined recess provided in an inner wall surface of the insertion hole facing the inclined guide surface, in which the inclined recess and the inclined guide surface collectively define a movement path that communicates with the valve flow path, thereby obtaining an advantageous effect of improving stability and reliability.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: February 20, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, SAMBO MOTORS Co., Ltd
    Inventors: In Tae Park, Jun Young Park, Dong Woo Kim
  • Publication number: 20240055623
    Abstract: The present disclosure provides an ejector nozzle and an ejector including the same. The ejector nozzle includes a first tube having a first flow path into which a fluid is introduced, and a second tube provided outside the first tube and having an inner diameter larger than an inner diameter of the first tube, the second tube defining a second flow path between the first tube and the second tube, in which the first tube further includes a communication port that penetrates the first tube to allow the first flow path to communicate with the second flow path and is openably and closable provided, and in which when the communication port is opened, a part of the fluid flowing in the first flow path is allowed to flow along the second flow path.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 15, 2024
    Inventors: In Tae Park, Hak Yoon Kim, Hyeon Seok Ban
  • Publication number: 20240055580
    Abstract: A positive electrode for a lithium-sulfur battery is provided. The positive electrode includes a sulfur-carbon composite as a positive electrode active material. The sulfur-carbon composite includes a porous carbonaceous material having a BET specific surface area of larger than 1,600 m2/g and a particle diameter (D50) of primary particles of equal to or larger than 500 nm and less than 8 ?m provides reduced initial irreversible capacity and improved output characteristics and life characteristics of a lithium-sulfur battery.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 15, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20230392708
    Abstract: The present disclosure relates to a valve device including a valve base having a discharge flow path through which a target fluid is discharged, a plunger configured to be rectilinearly movable from a first position at which the plunger closes the discharge flow path to a second position at which the plunger opens the discharge flow path, a solenoid configured to provide driving power for moving the plunger, and an anti-freezing member connected to the plunger and configured to prevent freezing of the target fluid in the discharge flow path by moving in the discharge flow path in conjunction with a movement of the plunger, thereby obtaining an advantageous effect of preventing the discharge flow path through which the target fluid is discharged from being clogged, and of improving safety and reliability.
    Type: Application
    Filed: October 26, 2022
    Publication date: December 7, 2023
    Inventor: In Tae Park
  • Patent number: 11824235
    Abstract: The present disclosure provides an ejector nozzle and an ejector including the same. The ejector nozzle includes a first tube having a first flow path into which a fluid is introduced, and a second tube provided outside the first tube and having an inner diameter larger than an inner diameter of the first tube, the second tube defining a second flow path between the first tube and the second tube, in which the first tube further includes a communication port that penetrates the first tube to allow the first flow path to communicate with the second flow path and is openably and closably provided, and in which when the communication port is opened, a part of the fluid flowing in the first flow path is allowed to flow along the second flow path.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: November 21, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: In Tae Park, Hak Yoon Kim, Hyeon Seok Ban
  • Publication number: 20230296190
    Abstract: A fluid discharge valve includes a housing that defines a flow path configured to guide fluid, a partition that faces the flow path and is configured to move relative to the flow path, and a heater that is coupled and fixed to the housing and configured to supply heat to the flow path. The flow path includes a first flow path that is in fluid communication with an outside of the housing and extends along a first direction toward the partition, and a second flow path that extends from the first flow path along a second direction that crosses the first direction. The heater has a first side that faces the first flow path and a second side that face the second flow path.
    Type: Application
    Filed: July 20, 2022
    Publication date: September 21, 2023
    Inventors: Gyu Young Kim, In Tae Park, Hak Yoon Kim
  • Publication number: 20230268617
    Abstract: A lithium-sulfur battery which is capable of achieving high discharge capacity of sulfur (S) with a small amount of a positive electrode material is provided. The lithium-sulfur battery reduces cost for manufacturing a positive electrode due to the use of a dry manufacturing method including compressing a positive electrode active material powder into a predetermined shape without preparing a slurry for an electrode active material layer in the manufacture of the positive electrode. Using a multi-layered separator, the lithium-sulfur battery is capable of solving the nonuniform reactivity problem of the positive electrode manufactured by the dry manufacturing method.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Hyun-Soo Lee, Seong-Hyo Park, In-Tae Park, Yong-Hwi Kim, Myeong-Jun Song, Ran Choi