Patents by Inventor Sung Jhee

Sung Jhee 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: 12584679
    Abstract: A refrigerator includes a grille assembly having a blowing fan installed at one side of a first storage compartment to discharge air heat-exchanged with a cooling source to at least one of the first and second storage compartment. The grille assembly includes a first guide flow path for guiding air flow from the blowing fan to the first storage compartment, and a second guide flow path for guiding air flow from the blowing fan to the second storage compartment. A first damper is located at the first guide flow path and a second damper is located at the second guide flow path. A detection sensor is installed at an air discharge side of the blowing fan and installed in at least one part of the second guide flow path, and the detection sensor is installed at an air outlet side of the second damper in the second guide flow path.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: March 24, 2026
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyong Bae Park, Sung Jhee, Yun Su Cho, Young Seung Song
  • Patent number: 12510293
    Abstract: The present disclosure provides a refrigerator operation control method capable of accurately recognizing whether an abnormal situation occurs as well as determining a defrosting time using an identified rotation speed of a blowing fan.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: December 30, 2025
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyong Bae Park, Sung Jhee, Yun Su Cho, Young Seung Song
  • Publication number: 20250102218
    Abstract: A refrigerator has a vacuum space formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 27, 2025
    Inventors: Wonyeong JUNG, Myungryul LEE, Sung JHEE
  • Patent number: 12196481
    Abstract: A refrigerator has a vacuum space formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.
    Type: Grant
    Filed: October 10, 2023
    Date of Patent: January 14, 2025
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Publication number: 20240263868
    Abstract: The refrigerator of the present disclosure allows sufficient air flow to a detection sensor by allowing the detection sensor to be located on an air discharge side of a blowing fan to determine a frosting degree or a defrosting degree of a cooling source.
    Type: Application
    Filed: May 23, 2022
    Publication date: August 8, 2024
    Inventors: Kyong Bae PARK, Sung JHEE, Yun Su CHO, Young Seung SONG
  • Publication number: 20240240852
    Abstract: The present disclosure provides a refrigerator operation control method capable of accurately recognizing whether an abnormal situation occurs as well as determining a defrosting time using an identified rotation speed of a blowing fan.
    Type: Application
    Filed: May 23, 2022
    Publication date: July 18, 2024
    Inventors: Kyong Bae PARK, Sung JHEE, Yun Su CHO, Young Seung SONG
  • Patent number: 11940206
    Abstract: The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an inside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case enclosed to maintain a vacuum state for heat insulating between the inner case and the outer case, and a sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 26, 2024
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Publication number: 20240035735
    Abstract: A refrigerator has a vacuum space formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Inventors: Wonyeong JUNG, Myungryul LEE, Sung JHEE
  • Patent number: 11867448
    Abstract: A method for controlling a refrigerator includes operating, for a set duration, a heating element of a sensor which responds to changes in air flow; sensing the temperature of the heating element in on or off state; and sensing residual frost on an evaporator on the basis of the difference in value of the temperature between a first sensed temperature, which is the lowest value, and a second sensed temperature, which is the highest value, from among the sensed temperatures of the heating element.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 9, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangbok Choi, Kyongbae Park, Sungwook Kim, Sung Jhee
  • Patent number: 11821678
    Abstract: This invention relates to refrigerators, and more particularly to a refrigerator in which a vacuum space is formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: November 21, 2023
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Patent number: 11732951
    Abstract: A refrigerator includes a body having a storage space. The body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, a supporting portion provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain a spaced state of the vacuum space, and a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outer case by suppressing surface temperature drop of the outer case caused by cold conducted from the inner case to the outer case through the supporting portion.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: August 22, 2023
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Patent number: 11530866
    Abstract: A refrigerator of the present invention comprises: an inner case forming a storage compartment; a cold air duct guiding the flow of air within the storage compartment and forming a heat exchange space with the inner case; an evaporator disposed in the heat exchange space between the inner case and the cold air duct; a bypass passage disposed in the cold air duct so as to allow the flow of air to bypass the evaporator; a sensor disposed in the bypass flow channel and comprising a sensor housing, a sensor PCB received in the sensor housing, a heating element installed on the sensor PCB so as to generate heat when an electric current is applied thereto, a temperature element for sensing the temperature of the heating element, and a molding material with which the sensor housing is filled; a drfrosting means for removing frost formed on the surface of the evaporator; and a control unit for controlling the defrosting means on the basis of the value output from the sensor.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: December 20, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Sungwook Kim, Kyongbae Park, Sangbok Choi, Sung Jhee
  • Publication number: 20220299254
    Abstract: This invention relates to refrigerators, and more particularly to a refrigerator in which a vacuum space is formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Inventors: Wonyeong JUNG, Myungryul LEE, Sung JHEE
  • Patent number: 11384977
    Abstract: This invention relates to refrigerators, and more particularly to a refrigerator in which a vacuum space is formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: July 12, 2022
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Publication number: 20220074641
    Abstract: A refrigerator includes a body having a storage space. The body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, a supporting portion provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain a spaced state of the vacuum space, and a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outer case by suppressing surface temperature drop of the outer case caused by cold conducted from the inner case to the outer case through the supporting portion.
    Type: Application
    Filed: November 12, 2021
    Publication date: March 10, 2022
    Inventors: Wonyeong JUNG, Myungryul LEE, Sung JHEE
  • Patent number: 11199357
    Abstract: A refrigerator includes a body having a storage space. The body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, a supporting portion provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain a spaced state of the vacuum space, and a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outer case by suppressing surface temperature drop of the outer case caused by cold conducted from the inner case to the outer case through the supporting portion.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: December 14, 2021
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Publication number: 20210254887
    Abstract: The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an inside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case enclosed to maintain a vacuum state for heat insulating between the inner case and the outer case, and a sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 19, 2021
    Inventors: Wonyeong JUNG, Myungryul LEE, Sung JHEE
  • Patent number: 11015861
    Abstract: The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an inside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case enclosed to maintain a vacuum state for heat insulating between the inner case and the outer case, and a sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: May 25, 2021
    Assignee: LG Electronics Inc.
    Inventors: Wonyeong Jung, Myungryul Lee, Sung Jhee
  • Publication number: 20210055034
    Abstract: A control method of a refrigerator includes the steps in which: a heating element of a sensor which is responsive to a change in the flow rate of air is turned off after being turned on for a predetermined period of time; a first sensing temperature (Ht1) of the heating element is sensed in a state in which the heating element is on, and a second sensing temperature (Ht2) of the heating element is sensed in a state in which the heating element is off; and a defrosting operation of removing frost on an evaporator is determined on the basis of the temperature difference value between the first sensing temperature (Ht1) and the second sensing detection temperature (Ht2).
    Type: Application
    Filed: September 4, 2020
    Publication date: February 25, 2021
    Inventors: Sangbok Choi, Kyongbae Park, Sungwook Kim, Sung Jhee
  • Publication number: 20210025639
    Abstract: A method for controlling a refrigerator includes operating, for a set duration, a heating element of a sensor which responds to changes in air flow; sensing the temperature of the heating element in on or off state; and sensing residual frost on an evaporator on the basis of the difference in value of the temperature between a first sensed temperature, which is the lowest value, and a second sensed temperature, which is the highest value, from among the sensed temperatures of the heating element.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 28, 2021
    Inventors: Sangbok CHOI, Kyongbae PARK, Sungwook KIM, Sung JHEE