Patents by Inventor Joongkeun CHOI

Joongkeun CHOI 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: 20240122328
    Abstract: A hair dryer including a main body; a fan inside the main body to generate a flow of air; and a nozzle connected to the main body so that the air flows into the nozzle. The nozzle includes a nozzle body having an inner space, a nozzle partition wall inside the nozzle body dividing the inner space into first and second nozzle passages, a plurality of first nozzle holes formed in the nozzle body to communicate with the first nozzle passage, and a plurality of second nozzle holes formed in the nozzle body to communicate with the second nozzle passage. The nozzle is configured so that air flowing into the first nozzle passage is discharged through the first nozzle holes in a first direction, and air flowing into the second nozzle passage is discharged through the second nozzle holes in a second direction that is different from the first direction.
    Type: Application
    Filed: July 24, 2023
    Publication date: April 18, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hochae LEE, Woojin KIM, Jinbaek KIM, Jeesu PARK, Changhoon OH, Kyungmok YOO, Kwango CHO, Joongkeun CHOI, Qasim KHAN
  • Publication number: 20240122420
    Abstract: A cleaner including a body including a body exhaust vent; a filter installable inside the body; and a fan motor device including a rotatable impeller to generate a suction force inside the body, a motor to rotate the impeller, and a diffuser device including a radiating diffuser extending in a radial direction from a rotational axis of the impeller, and an axial diffuser extending from the radiating diffuser. The fan motor device is configured so that, with the filter installed inside the body, rotation of the impeller by the power provided by the motor causes air to pass through the fan motor device and be discharged from the impeller, and then guided by the radiating diffuser in the radial direction from the rotational axis of the impeller, and then guided by the axial diffuser to the filter to be filtered, and then discharged through the body exhaust vent.
    Type: Application
    Filed: August 21, 2023
    Publication date: April 18, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyunjoo KIM, Joongkeun CHOI, Jinbaek KIM
  • Patent number: 11923753
    Abstract: An electric motor includes a housing, a stator assembly disposed in the housing, a rotor assembly rotatably disposed in the stator assembly, and an impeller configured to be rotated by the rotor assembly and to generate a flow of air. The stator assembly defines an inner flow path configured to guide a part of the air to pass through an inside of the stator assembly. The housing defines a bypass flow path at an outside of the stator assembly, where the bypass flow path is configured to guide another part of the air to bypass the stator assembly.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: March 5, 2024
    Assignee: LG Electronics Inc.
    Inventors: Taeyong Jung, Jeongho Lee, Joongkeun Choi, Seongho Cho
  • Publication number: 20230383765
    Abstract: A fan motor includes a motor mount, a motor part accommodated in an inner space of the motor mount, and an impeller disposed above the motor mount. The motor mount defines: an air discharge opening configured to discharge air discharged from the impeller to an outer space of the motor mount; a cooling flow path outlet disposed at the upper side of the motor mount at a position between the impeller and the air discharge opening; and a first cooling flow path inlet disposed at a position below the air discharge opening and the cooling flow path outlet. The fan motor further includes a guide that is configured to direct, to an upward direction, at least a portion of air that is discharged through the air discharge opening and introduced to the inner space through the first cooling flow path inlet.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Inventors: Joongkeun CHOI, Giyeob YANG, Jeong Ho LEE, Seong-Ho CHO
  • Patent number: 11773874
    Abstract: A fan motor has a motor mount, a motor part accommodated in an inner space of the motor mount, and an impeller disposed above the motor mount. The motor mount defines: an air discharge opening configured to discharge air discharged from the impeller to an outer space of the motor mount; a cooling flow path outlet disposed at the upper side of the motor mount at a position between the impeller and the air discharge opening; and a first cooling flow path inlet disposed at a position below the air discharge opening and the cooling flow path outlet. The fan motor further includes a guide that is configured to direct, to an upward direction, at least a portion of air that is discharged through the air discharge opening and introduced to the inner space through the first cooling flow path inlet.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: October 3, 2023
    Assignee: LG Electronics Inc.
    Inventors: Joongkeun Choi, Giyeob Yang, Jeong Ho Lee, Seong-Ho Cho
  • Patent number: 11598350
    Abstract: Disclosed is a fan motor. The present disclosure provides a fan motor including a motor housing receiving a motor therein, a motor bracket disposed on the motor housing, an impeller coupled to a shaft of the motor, and a diffuser disposed between the motor and the impeller and having a vane body, an axial flow vane provided to an inner circumference of the vane body, and a diagonal flow vane provided above the axial flow vane.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: March 7, 2023
    Assignee: LG Electronics Inc.
    Inventors: Joongkeun Choi, Jeongho Lee, Giyeob Yang, Seongho Cho
  • Patent number: 11402133
    Abstract: The present invention relates to a gas heat pump system. A gas heat pump system according to one embodiment of the present invention comprises: a compressor for compressing a refrigerant; a gas engine for driving the compressor; a mixer for mixing air and fuel to generate a mixed gas to be supplied to the gas engine; a mixed gas supply line connected between the mixer and the gas engine; and a supercharger for supercharging the mixed gas supplied to the gas engine through the mixed gas supply line, wherein the supercharger comprises a sealed housing formed by sealing the remaining parts thereof other than an inlet port and an outlet port through which the mixed gas moves into and out of the housing, and a bypass line is provided between the sealed housing and the inlet port of the supercharger so as to resupply a mixed gas in the sealed housing to the inlet port of the supercharger.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: August 2, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Joongkeun Choi, Tae Kyung Kim, Sung Bae Song, Young Gyu Jung
  • Publication number: 20220186735
    Abstract: A fan motor includes a housing, a stator assembly disposed inside the housing, a rotor assembly rotatably disposed inside the stator assembly, an impeller configured to generate a flow of air in the housing based on receiving power from the rotor assembly, a first housing cover disposed at one side of the housing, a first bearing disposed in the first housing cover, a second housing cover disposed at another side of the housing and configured to guide the air along an axial direction of the impeller, a second bearing disposed in the second housing cover, and a vane disposed at a lower portion of the second housing cover and configured to guide the air in the second housing cover. The impeller is a diagonal flow impeller, and the second housing cover is arranged along the axial direction.
    Type: Application
    Filed: July 13, 2021
    Publication date: June 16, 2022
    Inventors: Joongkeun CHOI, Jeongho LEE, Taeyong JUNG, Seongho CHO
  • Publication number: 20220109349
    Abstract: An electric motor includes a housing, a stator assembly disposed in the housing, a rotor assembly rotatably disposed in the stator assembly, and an impeller configured to be rotated by the rotor assembly and to generate a flow of air. The stator assembly defines an inner flow path configured to guide a part of the air to pass through an inside of the stator assembly. The housing defines a bypass flow path at an outside of the stator assembly, where the bypass flow path is configured to guide another part of the air to bypass the stator assembly.
    Type: Application
    Filed: September 16, 2021
    Publication date: April 7, 2022
    Inventors: Taeyong JUNG, Jeongho LEE, Joongkeun CHOI, Seongho CHO
  • Publication number: 20220049719
    Abstract: A fan motor comprises a motor mount, a motor part accommodated in an inner space of the motor mount, and an impeller disposed above the motor mount. The motor mount defines: an air discharge opening configured to discharge air discharged from the impeller to an outer space of the motor mount; a cooling flow path outlet disposed at the upper side of the motor mount at a position between the impeller and the air discharge opening; and a first cooling flow path inlet disposed at a position below the air discharge opening and the cooling flow path outlet. The fan motor further includes a guide that is configured to direct, to an upward direction, at least a portion of air that is discharged through the air discharge opening and introduced to the inner space through the first cooling flow path inlet.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Inventors: Joongkeun CHOI, Giyeob YANG, Jeong Ho LEE, Seong-Ho CHO
  • Patent number: 11230159
    Abstract: A cooling and heating cabinet according to an embodiment of the present invention may comprise: an inner case having a storage space provided therein; an outer case which is disposed surrounding the inner case and forms an insulation cavity between the outer case and the inner case; a thermoelectric element module disposed in the insulation cavity; a separation panel disposed inside the inner case and having a plurality of through-holes; an agitating part disposed between the separation panel and the bottom surface of the inner case, and having a magnet and an agitating fan that rotates with the magnet; and a magnetic field-generating part disposed outside the outer case, and generating a magnetic field to rotate the magnet.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: January 25, 2022
    Assignee: LG Electronics Inc.
    Inventors: Taekyung Kim, Sungbae Song, Younggyu Jung, Joongkeun Choi
  • Patent number: 11187246
    Abstract: A fan motor comprises a motor mount, a motor part accommodated in an inner space of the motor mount, and an impeller disposed above the motor mount. The motor mount defines: an air discharge opening configured to discharge air discharged from the impeller to an outer space of the motor mount; a cooling flow path outlet disposed at the upper side of the motor mount at a position between the impeller and the air discharge opening; and a first cooling flow path inlet disposed at a position below the air discharge opening and the cooling flow path outlet. The fan motor further includes a guide that is configured to direct, to an upward direction, at least a portion of air that is discharged through the air discharge opening and introduced to the inner space through the first cooling flow path inlet.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: November 30, 2021
    Assignee: LG Electronics Inc.
    Inventors: Joongkeun Choi, Giyeob Yang, Jeong Ho Lee, Seong-Ho Cho
  • Patent number: 11025122
    Abstract: A fan motor is provided that includes an inner housing having an inner space formed therein; a rotational shaft assembly supported in the inner housing and having a rotor and a bearing mounted on a rotational shaft thereof; a stator disposed to surround the rotor in the inner housing; an impeller connected to the rotational shaft; and an outer housing that surrounds an outer periphery of the inner housing and having an inlet body that guides air to the impeller. At least one heat dissipation vane is provided on an outer peripheral surface of the inner housing to guide air which passes between the inner housing and the outer housing after being suctioned into the inlet body, and thus, when being guided by the at least one heat dissipation vane, the air having been moved by the impeller may efficiently absorb heat transferred from the stator to the at least one heat dissipation vane and more stably flow than when colliding against the stator and the rotor, and thus, may be quickly discharged.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: June 1, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Taekyung Kim, Sungbae Song, Younggyu Jung, Joongkeun Choi
  • Publication number: 20210010486
    Abstract: Disclosed is a fan motor. The present disclosure provides a fan motor including a motor housing receiving a motor therein, a motor bracket disposed on the motor housing, an impeller coupled to a shaft of the motor, and a diffuser disposed between the motor and the impeller and having a vane body, an axial flow vane provided to an inner circumference of the vane body, and a diagonal flow vane provided above the axial flow vane.
    Type: Application
    Filed: March 31, 2020
    Publication date: January 14, 2021
    Inventors: Joongkeun CHOI, Jeongho LEE, Giyeob YANG, Seongho CHO
  • Publication number: 20210010487
    Abstract: Disclosed is a fan motor. The present disclosure provides a fan motor including a motor housing receiving a motor therein, an impeller coupled to a shaft of the motor, and a diffuser disposed between the motor and the impeller and having an axial flow vane and a diagonal flow vane.
    Type: Application
    Filed: March 31, 2020
    Publication date: January 14, 2021
    Inventors: Giyeob YANG, Jeongho LEE, Joongkeun CHOI, Seongho CHO
  • Publication number: 20200340713
    Abstract: The present invention relates to a gas heat pump system. A gas heat pump system according to one embodiment of the present invention comprises: a compressor for compressing a refrigerant; a gas engine for driving the compressor; a mixer for mixing air and fuel to generate a mixed gas to be supplied to the gas engine; a mixed gas supply line connected between the mixer and the gas engine; and a supercharger for supercharging the mixed gas supplied to the gas engine through the mixed gas supply line, wherein the supercharger comprises a sealed housing formed by sealing the remaining parts thereof other than an inlet port and an outlet port through which the mixed gas moves into and out of the housing, and a bypass line is provided between the sealed housing and the inlet port of the supercharger so as to resupply a mixed gas in the sealed housing to the inlet port of the supercharger.
    Type: Application
    Filed: December 10, 2018
    Publication date: October 29, 2020
    Inventors: Joongkeun CHOI, Tae Kyung KIM, Sung Bae SONG, Young Gyu JUNG
  • Publication number: 20200231020
    Abstract: A cooling and heating cabinet according to an embodiment of the present invention may comprise: an inner case having a storage space provided therein; an outer case which is disposed surrounding the inner case and forms an insulation cavity between the outer case and the inner case; a thermoelectric element module disposed in the insulation cavity; a separation panel disposed inside the inner case and having a plurality of through-holes; an agitating part disposed between the separation panel and the bottom surface of the inner case, and having a magnet and an agitating fan that rotates with the magnet; and a magnetic field-generating part disposed outside the outer case, and generating a magnetic field to rotate the magnet.
    Type: Application
    Filed: February 1, 2018
    Publication date: July 23, 2020
    Inventors: Taekyung KIM, Sungbae SONG, Younggyu JUNG, Joongkeun CHOI
  • Publication number: 20200124055
    Abstract: A fan motor comprises a motor mount, a motor part accommodated in an inner space of the motor mount, and an impeller disposed above the motor mount. The motor mount defines: an air discharge opening configured to discharge air discharged from the impeller to an outer space of the motor mount; a cooling flow path outlet disposed at the upper side of the motor mount at a position between the impeller and the air discharge opening; and a first cooling flow path inlet disposed at a position below the air discharge opening and the cooling flow path outlet. The fan motor further includes a guide that is configured to direct, to an upward direction, at least a portion of air that is discharged through the air discharge opening and introduced to the inner space through the first cooling flow path inlet.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 23, 2020
    Inventors: Joongkeun CHOI, Giyeob YANG, Jeong Ho LEE, Seong-Ho CHO
  • Publication number: 20200006997
    Abstract: The present embodiment comprise: an inner housing having an inner space formed therein; a rotation shaft assembly supported in the inner housing and having a rotor and a bearing mounted on a rotation shaft thereof; a stator disposed to surround the rotor in the inner housing; an impeller connected to the rotation shaft; an outer housing surrounding the outer periphery of the inner housing and having an inlet body, formed thereat, for guiding air to the impeller. The present embodiment is advantageous in that a heat dissipation vane is provided on the outer peripheral surface of the inner housing to guide air which passes between the inner housing and the outer housing after being suctioned into the inlet body, and thus when being guided by the heat dissipation vane, the air having been moved by the impeller can efficiently absorb heat transferred from the stator to the heat dissipation vane and more stable flow than when colliding against the stator and the rotor, and thus can be quickly discharged.
    Type: Application
    Filed: February 1, 2018
    Publication date: January 2, 2020
    Inventors: Taekyung KIM, Sungbae SONG, Younggyu JUNG, Joongkeun CHOI