Patents by Inventor Myungjin KU

Myungjin KU 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: 20240060508
    Abstract: The present disclosure relates to a blower. The blower according to an aspect of the present disclosure includes: a lower case in which a suction port is formed; a fan disposed inside the lower case and blowing air introduced through the suction port upward; a first tower elongated to an upper side from the lower case and formed with a first discharge port opening forward; a second tower spaced apart from the first tower in a horizontal direction, elongated to an upper side from the lower case, and formed with a second discharge port opening forward; an air guide disposed inside the first tower and spaced apart from a front end of the first tower and elongated along a front and rear direction toward the first discharge port; and a handle disposed between the fan and the air guide and elongated from upstream of the air guide toward the front end of the first tower. The handle is disposed between the fan and the air guide, so that the blowing performance of the blower can be enhanced.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Inventors: Myungjin KU, Juhyup YOON, Kunyoung LEE, Bohyun KIM
  • Patent number: 11885525
    Abstract: An air purifier includes a display mounted between a front panel of a cabinet of the air purifier and an upper panel of the cabinet. The front panel includes a door which is configured and supported to be drawn in to the cabinet toward the display or drawn out from the cabinet away from the display. A display module including the display is disposed below the upper panel.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Sukchun Kim, Myungjin Ku, Taeyoon Kim, Kunyoung Lee, Sangkyun Baek
  • Publication number: 20240026890
    Abstract: A blower includes a lower case provided with an inlet; a first tower that extends upward from the lower case and is formed with a first outlet; a second tower that extends upward from the lower case and is provided with a second outlet; a fan that is rotatably disposed on the lower case; a first air flow converter that is disposed at the first tower; and a second air flow converter that is disposed at the second tower, each of the first air flow converter and the second air flow converter including: a guide board that is disposed inside the first tower or the second tower or protrudes through a first wall or a second wall; an upper gear that rotates in engagement with an upper portion of the guide board; a lower gear that rotates in engagement with a lower portion of the guide board; a shaft that is connected to each of the upper gear and the lower gear to rotate together; and a motor that is connected to one of the upper gear and the lower gear to provide a driving force.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: Kunyoung Lee, Keunman Park, Bohyun Kim, Myungjin Ku
  • Patent number: 11867198
    Abstract: A blower includes: a fan configured to generate a flow of air; a filter positioned upstream of the fan; a case covering a side surface of the filter and having a suction hole; a housing which is positioned opposite to the fan with respect to the filter, and to which the case is detachably coupled; a supporter coupled to one surface of the housing facing the filter and configured to support the filter; a light source disposed at the supporter and configured to provide light in an ultraviolet wavelength band to the fan; and a controller configured to control an operation of the light source, wherein the controller stops the operation of the light source when the case is separated from the housing or when the filter is separated from the supporter.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: January 9, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Kunyoung Lee, Jaehun Kim, Bohyun Kim, Myungjin Ku
  • Patent number: 11808275
    Abstract: A blower includes a lower case provided with an inlet; a first tower that extends upward from the lower case and is formed with a first outlet; a second tower that extends upward from the lower case and is provided with a second outlet; a fan that is rotatably disposed on the lower case; a first air flow converter that is disposed at the first tower; and a second air flow converter that is disposed at the second tower, each of the first air flow converter and the second air flow converter including: a guide board that is disposed inside the first tower or the second tower or protrudes through a first wall or a second wall; an upper gear that rotates in engagement with an upper portion of the guide board; a lower gear that rotates in engagement with a lower portion of the guide board; a shaft that is connected to each of the upper gear and the lower gear to rotate together; and a motor that is connected to one of the upper gear and the lower gear to provide a driving force.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: November 7, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Kunyoung Lee, Keunman Park, Bohyun Kim, Myungjin Ku
  • Patent number: 11773871
    Abstract: A blower includes: a fan; a lower body having an inner space to receive the fan, and a suction hole; a first upper body communicating with the inner space and having a surface with a first discharge hole; a first damper movably coupled to the first upper body and penetrating the surface; the first damper having a first end facing an outside of the first upper body and a second end opposite to the first end; and a first bar extending along and coupled to the second end of the first damper.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: October 3, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Kunyoung Lee, Sumin Kim, Bohyun Kim, Myungjin Ku
  • Patent number: 11761649
    Abstract: An air purifier includes a display mounted between a front panel of a cabinet of the air purifier and an upper panel of the cabinet. The front panel includes a door which is configured and supported to be drawn in to the cabinet toward the display or drawn out from the cabinet away from the display. A display module including the display is disposed below the upper panel.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: September 19, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sukchun Kim, Myungjin Ku, Taeyoon Kim, Kunyoung Lee, Sangkyun Baek
  • Publication number: 20230081328
    Abstract: The present disclosure relates to a blower. The blower according to an aspect of the present disclosure includes: a lower case in which a suction port is formed; a fan disposed inside the lower case and blowing air introduced through the suction port upward; a first tower elongated to an upper side from the lower case and formed with a first discharge port opening forward; a second tower spaced apart from the first tower in a horizontal direction, elongated to an upper side from the lower case, and formed with a second discharge port opening forward; an air guide disposed inside the first tower and spaced apart from a front end of the first tower and elongated along a front and rear direction toward the first discharge port; and a handle disposed between the fan and the air guide and elongated from upstream of the air guide toward the front end of the first tower. The handle is disposed between the fan and the air guide, so that the blowing performance of the blower can be enhanced.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 16, 2023
    Inventors: Myungjin Ku, Juhyup Yoon, Kunyoung Lee, Bohyun Kim
  • Publication number: 20230071587
    Abstract: A blower includes: a fan; a lower body having an inner space to receive the fan, and a suction hole; a first upper body communicating with the inner space and having a surface with a first discharge hole; a first damper movably coupled to the first upper body and penetrating the surface; the first damper having a first end facing an outside of the first upper body and a second end opposite to the first end; and a first bar extending along and coupled to the second end of the first damper.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 9, 2023
    Inventors: Kunyoung LEE, Sumin KIM, Bohyun KIM, Myungjin KU
  • Publication number: 20230071183
    Abstract: A blower includes a lower case provided with an inlet; a first tower that extends upward from the lower case and is formed with a first outlet; a second tower that extends upward from the lower case and is provided with a second outlet; a fan that is rotatably disposed on the lower case; a first air flow converter that is disposed at the first tower; and a second air flow converter that is disposed at the second tower, each of the first air flow converter and the second air flow converter including: a guide board that is disposed inside the first tower or the second tower or protrudes through a first wall or a second wall; an upper gear that rotates in engagement with an upper portion of the guide board; a lower gear that rotates in engagement with a lower portion of the guide board; a shaft that is connected to each of the upper gear and the lower gear to rotate together; and a motor that is connected to one of the upper gear and the lower gear to provide a driving force.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 9, 2023
    Inventors: Kunyoung Lee, Keunman Park, Bohyun Kim, Myungjin Ku
  • Patent number: 11598537
    Abstract: An air purifier includes a display mounted between a front panel of a cabinet of the air purifier and an upper panel of the cabinet. The front panel includes a door which is configured and supported to be drawn in to the cabinet toward the display or drawn out from the cabinet away from the display. A display module including the display is disposed below the upper panel.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: March 7, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sukchun Kim, Myungjin Ku, Taeyoon Kim, Kunyoung Lee, Sangkyun Baek
  • Publication number: 20230068192
    Abstract: A blower includes: a fan configured to generate a flow of air; a filter positioned upstream of the fan; a case covering a side surface of the filter and having a suction hole; a housing which is positioned opposite to the fan with respect to the filter, and to which the case is detachably coupled; a supporter coupled to one surface of the housing facing the filter and configured to support the filter; a light source disposed at the supporter and configured to provide light in an ultraviolet wavelength band to the fan; and a controller configured to control an operation of the light source, wherein the controller stops the operation of the light source when the case is separated from the housing or when the filter is separated from the supporter.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 2, 2023
    Inventors: Kunyoung LEE, Jaehun KIM, Bohyun kim, Myungjin KU
  • Publication number: 20230060198
    Abstract: A blower includes: a base; a case disposed above the base and provided with an inlet and an outlet; a fan disposed inside the case and forming a flow of air from the inlet to the outlet; a rotating plate disposed below the case and rotatably disposed on the base, in which the base includes a rotating shaft housing that is a cylindrical shape and protrudes toward the rotating plate, and the rotating plate includes a shaft body that protrudes downward from the center and is inserted into a shaft insertion groove of the rotation shaft housing and at least one bearing that is disposed on a lower surface of the rotating plate, is radially spaced from the shaft body, and is in contact with an upper surface of the base.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 2, 2023
    Inventors: Kunyoung LEE, Keunman Park, Sangkyun Baek, Myungjin Ku
  • Publication number: 20230067624
    Abstract: A blower includes: a base; a case disposed above the base and provided with an inlet and an outlet; a rotating plate disposed below the case and rotatably disposed on the base; an electric wire whose part is exposed to an outside of the base and the other part extends upwards of the rotating plate through the base; and an electric wire holder including an electric wire holder that is fixedly disposed on the rotating plate and fixes one side of the electric wire extending towards of the rotating plate from an inside of the base, in which the base includes an electric wire fixing protrusion that fixes the other side of the electric wire extending from an outside to an inner space of the base and an electric wire guide rib that fixes a partial arrangement of the electric wires whose arrangement is changed in an inner space of the base according to a movement of the rotating plate.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 2, 2023
    Inventors: Kunyoung LEE, Hyunpil Ha, Sangkyun Baek, Myungjin Ku
  • Patent number: 11592198
    Abstract: A humidifying air purifier includes a door assembly supported and configured to be selectively drawn out of a front side of a cabinet and drawn into the front side of the cabinet to respectively open and close an inner portion of the cabinet. The door assembly includes an accommodation portion configured to support an air filter and a humidifying device which are both drawn out of and into the humidifying air purifier with the door assembly.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 28, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sukchun Kim, Myungjin Ku, Taeyoon Kim, Kunyoung Lee, Hyunpil Ha
  • Patent number: 11306931
    Abstract: A humidifying air purifier includes a body frame having an opened front and rear, a fan housing coupled to a rear end of the body frame and having a fan intake, a housing cover coupled to a rear end of the fan housing to accommodate an air blowing fan, and an air discharge port formed at an upper end of the fan housing and an upper end of the housing cover. A waterwheel motor is installed on a front surface of the fan housing and positioned outside the fan intake, a driving gear is coupled to the waterwheel motor, a door assembly is configured to be pushed into or drawn out from a front end of the body frame, a water tub is accommodated in a lower side of the door assembly, and a humidifying filter assembly is inserted into the water tub.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: April 19, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Hongseok Kim, Jungwoo Lee, Junhyuk Jang, Taeyoon Kim, Myungjin Ku, Sukchun Kim, Seonmi Kim, Inmun Yu, Kunyoung Lee
  • Patent number: 11187240
    Abstract: The present invention relates to a blower. A blower according to one embodiment of the present invention comprises: an upper fan for generating a first airflow, which is suctioned through an upper suction part and is then discharged; a lower fan disposed under the upper fan to generate a second airflow, which is suctioned through a lower suction part and is then discharged; an airflow changing device disposed between the upper fan and the lower fan to generate a third airflow by joining the first airflow and the second airflow; and a control part for controlling the rotation speed of each of the upper fan and the lower fan to adjust the discharge direction of the third airflow.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 30, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Myungjin Ku, Heechul Park
  • Patent number: 11156225
    Abstract: An embodiment of the present invention relates to a flow generating device comprising: a main body comprising a first suction part and a second suction part disposed at sides opposite to each other, a first inner discharge part through which air suctioned into the first suction part passes, a second inner discharge part through which air suctioned into the second suction part passes, and at least one outer discharge part through which air passing through the first inner discharge part and air passing through the second inner discharge part are discharged to the outside; a first fan disposed between the first suction part and the first inner discharge part; and a second fan disposed between the second suction part and the second inner discharge part.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: October 26, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Heechul Park, Myungjin Ku, Hongseok Kim, Eunsun Lee
  • Publication number: 20210293250
    Abstract: The present invention relates to a blower. A blower according to one embodiment of the present invention comprises: an upper fan for generating a first airflow, which is suctioned through an upper suction part and is then discharged; a lower fan disposed under the upper fan to generate a second airflow, which is suctioned through a lower suction part and is then discharged; an airflow changing device disposed between the upper fan and the lower fan to generate a third airflow by joining the first airflow and the second airflow; and a control part for controlling the rotation speed of each of the upper fan and the lower fan to adjust the discharge direction of the third airflow.
    Type: Application
    Filed: July 19, 2017
    Publication date: September 23, 2021
    Inventors: Myungjin KU, Heechul PARK
  • Publication number: 20210018195
    Abstract: A humidifying air purifier includes a door assembly supported and configured to be selectively drawn out of a front side of a cabinet and drawn into the front side of the cabinet to respectively open and close an inner portion of the cabinet. The door assembly includes an accommodation portion configured to support an air filter and a humidifying device which are both drawn out of and into the humidifying air purifier with the door assembly.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 21, 2021
    Applicant: LG Electronics Inc.
    Inventors: Sukchun KIM, Myungjin KU, Taeyoon KIM, Kunyoung LEE, Hyunpil HA