Patents by Inventor Seunguk AHN

Seunguk AHN 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: 11906243
    Abstract: A method of controlling a refrigerator that includes: operating a cool air supply means with a predetermined output; a controller determining the output of the cool air supply means based on a current temperature of a storage compartment sensed by a temperature sensor while the cool air supply means operates with the predetermined output; and the controller operating the cool air supply means with the determined output.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: February 20, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Kyungseok Kim, Sunam Chae
  • Patent number: 11885547
    Abstract: A control method for a refrigerator includes sensing a temperature of a storage room; operating a cool air supply at a cooling power when the sensed temperature of the storage room is equal to or above a first reference temperature; operating the cool air supply at a delay power, which is less than the cooling power, when the sensed temperature of the storage room is equal to or below a second reference temperature, which is less than the first reference temperature while the cool air supply is operating at the cooling power; and adjusting the cooling power or the delay power of the cool air supply according to the temperature of the storage room while the cool air supply is operating at the delay power, and operating the cool air supply at the determined adjusted cooling power or delay power.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: January 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjin Chung, Kyeongyun Kim, Kyungseok Kim, Soyoon Kim, Seunguk Ahn, Kyunghun Cha
  • Patent number: 11879681
    Abstract: A refrigerator control method of the present embodiment comprises the steps of: operating a compressor by operating a first cooling cycle for cooling a first storage chamber, and operating a first cold air supply means for the first storage chamber; and operating the compressor by switching into a second cooling cycle for cooling a second storage chamber, and operating a second cold air supply means, when a stop condition of the first cooling cycle is satisfied, wherein the cooling capacity of the compressor in the current second cooling cycle is determined on the basis of the representative temperature of the second storage chamber during one operating cycle which includes the previous first cooling cycle and the previous second cooling cycle, and a control unit performs control such that the compressor is operated in the current second cooling cycle with the determined cooling capacity.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: January 23, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Kyunghun Cha, Sunam Chae
  • Patent number: 11835291
    Abstract: The method for controlling the refrigerator includes operating a first cooling cycle for cooling the first storage compartment to operate the compressor and operating a first fan for the first storage compartment, and switching the first cooling cycle to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating a second fan when a stop condition of the first cooling cycle is satisfied. A temperature of each storage compartment is sensed at sampling time intervals in each cooling cycle. Further, a cooling power of the compressor is determined for each sampling time based on a sensed current temperature of the storage compartment, and the compressor is operated at the determined cooling power.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: December 5, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Sunam Chae, Kyunghun Cha
  • Patent number: 11740002
    Abstract: A refrigerator including a compressor, a condenser, a freezing chamber evaporator, a freezing chamber fan, a defrosting heater, a wine chamber evaporator, a wine chamber fan, a path switching device configured to guide the refrigerant condensed in the condenser to the freezing chamber evaporator in a freezing chamber mode and to guide the refrigerant condensed in the condenser to the wine chamber evaporator in a wine chamber mode, and a controller configured to turn on the defrosting heater to perform a freezing chamber defrosting mode for defrosting the freezing chamber evaporator, to control the path switching device to the wine chamber mode while the temperature of the wine chamber is dissatisfied when the temperature of the wine chamber is dissatisfied in the freezing chamber defrosting mode, and to drive the wine chamber fan.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: August 29, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Giseok Seong, Kyungseok Kim, Kyeongyun Kim, Seunguk Ahn, Myungjin Chung
  • Patent number: 11732948
    Abstract: A method for controlling a refrigerator comprises: as a first refrigeration cycle for refrigeration of a first storage chamber is operated, operating a compressor and operating a first cold air supply; when the first refrigeration cycle has been operated for a first run time, converting to a second refrigeration cycle for refrigeration of a second storage chamber, and operating a second cold air supply; and if the second refrigeration cycle has been operated for a second run time, stopping the second refrigeration cycle. A first reference time is determined using a representative value obtained based on the temperature of the first storage chamber during a single run cycle, which includes a previous first refrigeration cycle and a previous second refrigeration cycle. A second reference time period is determined using a representative value obtained on the basis of the temperature of the second storage chamber during the single run cycle.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: August 22, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Kyunghun Cha, Sunam Chae
  • Patent number: 11662135
    Abstract: A refrigerator is disclosed. The refrigerator includes a cabinet including a storage compartment, a cool air supply means configured to operate to supply cool air to the storage compartment, a temperature sensor configured to sense a temperature of the storage compartment, and a controller configured to control an output of the cool air supply means based on a difference between a set temperature and a current temperature sensed by the temperature sensor and increase or decrease in temperature of the storage compartment sensed by the temperature sensor at a predetermined time interval.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: May 30, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Kyungseok Kim, Sunam Chae
  • Publication number: 20230114081
    Abstract: A control method for a refrigerator includes sensing a temperature of a storage room; operating a cool air supply at a cooling power when the sensed temperature of the storage room is equal to or above a first reference temperature; operating the cool air supply at a delay power, which is less than the cooling power, when the sensed temperature of the storage room is equal to or below a second reference temperature, which is less than the first reference temperature while the cool air supply is operating at the cooling power; and adjusting the cooling power or the delay power of the cool air supply according to the temperature of the storage room while the cool air supply is operating at the delay power, and operating the cool air supply at the determined adjusted cooling power or delay power.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 13, 2023
    Inventors: Myungjin CHUNG, Kyeongyun KIM, Kyungseok KIM, Soyoon KIM, Seunguk AHN, Kyunghun CHA
  • Patent number: 11578912
    Abstract: A refrigerator includes a cabinet in which a storage chamber is formed, a cooler configured to cool the storage chamber, a heater configured to heat the storage chamber, a temperature sensor configured to sense a storage chamber temperature, and a controller configured to control the cooler and the heater, in which the controller selectively performs a plurality of modes, the plurality of modes include a cooling mode in which the cooler is operated or stopped, a heating mode in which the heater is operated or stopped, and a standby mode in which the cooler and the heater are stopped, and the plurality of modes are performed in the order of the cooling mode, the standby mode, and heating mode, or are performed in the order of the heating mode, the standby mode, and the cooling mode.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: February 14, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjin Chung, Kyungseok Kim, Kyeongyun Kim, Giseok Seong, Seunguk Ahn, Jeongwon Park, Yonghun Suh
  • Publication number: 20230022847
    Abstract: A method of controlling a refrigerator that includes: operating a cool air supply means with a predetermined output; a controller determining the output of the cool air supply means based on a current temperature of a storage compartment sensed by a temperature sensor while the cool air supply means operates with the predetermined output; and the controller operating the cool air supply means with the determined output.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 26, 2023
    Inventors: Seunguk AHN, Kyungseok Kim, Sunam Chae
  • Patent number: 11549741
    Abstract: Provided is an apparatus for sensing and removing dew on a refrigerator. The apparatus may include a heater disposed at a refrigerator body or inside a surface of a door, and a sensor disposed in close proximity to the heater. The sensor may be configured to sense dew formed on a prescribed surface at the refrigerator body or the door. The sensor may be disposed physically separate from the prescribed surface to sense formation of dew on the prescribed surface. The heater is controlled to generate heat that removes the sensed dew on the prescribed surface based on a signal from the sensor.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: January 10, 2023
    Assignee: LG ELECTRONICS INC.
    Inventor: Seunguk Ahn
  • Patent number: 11549736
    Abstract: A control method for a refrigerator includes sensing a temperature of a storage room; operating a cool air supply at a cooling power when the sensed temperature of the storage room is equal to or above a first reference temperature; operating the cool air supply at a delay power, which is less than the cooling power, when the sensed temperature of the storage room is equal to or below a second reference temperature, which is less than the first reference temperature while the cool air supply is operating at the cooling power; and adjusting the cooling power or the delay power of the cool air supply according to the temperature of the storage room while the cool air supply is operating at the delay power, and operating the cool air supply at the determined adjusted cooling power or delay power.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: January 10, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjin Chung, Kyeongyun Kim, Kyungseok Kim, Soyoon Kim, Seunguk Ahn, Kyunghun Cha
  • Patent number: 11493267
    Abstract: A method of controlling a refrigerator is disclosed. The method includes: operating a cool air supply means with a predetermined output; a controller determining the output of the cool air supply means based on a current temperature of a storage compartment sensed by a temperature sensor while the cool air supply means operates with the predetermined output; and the controller operating the cool air supply means with the determined output.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 8, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Kyungseok Kim, Sunam Chae
  • Publication number: 20220146191
    Abstract: The method for controlling the refrigerator includes operating a first cooling cycle for cooling the first storage compartment to operate the compressor and operating a first fan for the first storage compartment, and switching the first cooling cycle to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating a second fan when a stop condition of the first cooling cycle is satisfied. A temperature of each storage compartment is sensed at sampling time intervals in each cooling cycle. Further, a cooling power of the compressor is determined for each sampling time based on a sensed current temperature of the storage compartment, and the compressor is operated at the determined cooling power.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Inventors: Seunguk AHN, Sunam Chae, Kyunghun Cha
  • Patent number: 11268751
    Abstract: The method for controlling the refrigerator includes operating a first cooling cycle for cooling the first storage compartment to operate the compressor and operating a first fan for the first storage compartment, and switching the first cooling cycle to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating a second fan when a stop condition of the first cooling cycle is satisfied. A temperature of each storage compartment is sensed at sampling time intervals in each cooling cycle. Further, a cooling power of the compressor is determined for each sampling time based on a sensed current temperature of the storage compartment, and the compressor is operated at the determined cooling power.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: March 8, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Sunam Chae, Kyunghun Cha
  • Publication number: 20220026134
    Abstract: A refrigerator including a compressor, a condenser, a freezing chamber evaporator, a freezing chamber fan, a defrosting heater, a wine chamber evaporator, a wine chamber fan, a path switching device configured to guide the refrigerant condensed in the condenser to the freezing chamber evaporator in a freezing chamber mode and to guide the refrigerant condensed in the condenser to the wine chamber evaporator in a wine chamber mode, and a controller configured to turn on the defrosting heater to perform a freezing chamber defrosting mode for defrosting the freezing chamber evaporator, to control the path switching device to the wine chamber mode while the temperature of the wine chamber is dissatisfied when the temperature of the wine chamber is dissatisfied in the freezing chamber defrosting mode, and to drive the wine chamber fan.
    Type: Application
    Filed: October 4, 2021
    Publication date: January 27, 2022
    Inventors: Giseok SEONG, Kyungseok KIM, Kyeongyun KIM, Seunguk AHN, Myungjin CHUNG
  • Patent number: 11150012
    Abstract: A method of controlling a refrigerator includes: controlling a cooling unit such that an output of the cooling unit becomes a first reference output for a first reference time previously determined; controlling the cooling unit such that the output of the cooling unit becomes a second reference output for a second reference time previously determined; calculating a representative value of a temperature of a storage compartment for an operating period, which is made by a sum of the first reference time and the second reference time, and comparing the calculated representative value with a specific temperature in a temperature satisfying range of the storage compartment; and varying, by a control unit, at least one of the first reference time and the second reference time depending on a comparison result between the specific temperature and the representative value and controlling operating of the cooling unit based on a varied reference time.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: October 19, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunguk Ahn, Sunam Chae, Kyungseok Kim
  • Patent number: 11143447
    Abstract: A refrigerator including a compressor, a condenser, a freezing chamber evaporator, a freezing chamber fan, a defrosting heater, a wine chamber evaporator, a wine chamber fan, a path switching device configured to guide the refrigerant condensed in the condenser to the freezing chamber evaporator in a freezing chamber mode and to guide the refrigerant condensed in the condenser to the wine chamber evaporator in a wine chamber mode, and a controller configured to turn on the defrosting heater to perform a freezing chamber defrosting mode for defrosting the freezing chamber evaporator, to control the path switching device to the wine chamber mode while the temperature of the wine chamber is dissatisfied when the temperature of the wine chamber is dissatisfied in the freezing chamber defrosting mode, and to drive the wine chamber fan.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 12, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Giseok Seong, Kyungseok Kim, Kyeongyun Kim, Seunguk Ahn, Myungjin Chung
  • Publication number: 20210310719
    Abstract: A refrigerator control method of the present embodiment comprises the steps of: operating a compressor by operating a first cooling cycle for cooling a first storage chamber, and operating a first cold air supply means for the first storage chamber; and operating the compressor by switching into a second cooling cycle for cooling a second storage chamber, and operating a second cold air supply means, when a stop condition of the first cooling cycle is satisfied, wherein the cooling capacity of the compressor in the current second cooling cycle is determined on the basis of the representative temperature of the second storage chamber during one operating cycle which includes the previous first cooling cycle and the previous second cooling cycle, and a control unit performs control such that the compressor is operated in the current second cooling cycle with the determined cooling capacity.
    Type: Application
    Filed: August 1, 2019
    Publication date: October 7, 2021
    Inventors: Seunguk AHN, Kyunghun CHA, Sunam CHAE
  • Publication number: 20210302092
    Abstract: A method for controlling a refrigerator comprises: as a first refrigeration cycle for refrigeration of a first storage chamber is operated, operating a compressor and operating a first cold air supply; when the first refrigeration cycle has been operated for a first run time, converting to a second refrigeration cycle for refrigeration of a second storage chamber, and operating a second cold air supply; and if the second refrigeration cycle has been operated for a second run time, stopping the second refrigeration cycle. A first reference time is determined using a representative value obtained based on the temperature of the first storage chamber during a single run cycle, which includes a previous first refrigeration cycle and a previous second refrigeration cycle. A second reference time period is determined using a representative value obtained on the basis of the temperature of the second storage chamber during the single run cycle.
    Type: Application
    Filed: August 1, 2019
    Publication date: September 30, 2021
    Inventors: Seunguk AHN, Kyunghun CHA, Sunam CHAE