Patents by Inventor Sungchul GONG

Sungchul GONG 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: 20230336061
    Abstract: A driving unit and a linear compressor including the same are provided. The driving unit includes an inner stator, a bobbin surrounding the inner stator in a circumferential direction, a coil wound on the bobbin, a plurality of stator cores surrounding the bobbin and spaced apart from each other in the circumferential direction, and a plurality of permanent magnets disposed between the inner stator and the plurality of stator cores. A cross section of the bobbin may include a pair of straight portions facing each other and a curved portion connecting the pair of straight portions.
    Type: Application
    Filed: January 9, 2023
    Publication date: October 19, 2023
    Inventors: Sangsub JEONG, Sungchul GONG, Jaehoon JEONG
  • Publication number: 20230332597
    Abstract: An oil feeder and a linear compressor including the same are disclosed. The oil feeder includes an oil cylinder defining an oil supply hole configured to extend in a first direction, an accommodation groove formed concavely at a side, and a communication hole configured to communicate the oil supply hole with the accommodation groove, an oil piston accommodated in the accommodation groove and configured to reciprocate in a second direction perpendicular to the first direction, a first ball accommodated in the oil supply hole and disposed below the communication hole, a second ball accommodated in the oil supply hole and disposed on the communication hole, and an elastic member comprising an outer portion coupled to the accommodation groove and an inner portion coupled to the oil piston.
    Type: Application
    Filed: January 25, 2023
    Publication date: October 19, 2023
    Inventors: Sangsub JEONG, Sungchul GONG, Seongyeol HYUN
  • Patent number: 11746768
    Abstract: A linear compressor includes a frame, a cylinder disposed in the frame, a piston disposed in the cylinder and configured to reciprocate relative to the cylinder along an axis of the cylinder, a discharge valve disposed forward relative to the piston, and a discharge cover assembly coupled to the frame and disposed forward relative to the piston. The discharge cover assembly includes a discharge cover forming an inner space, a first discharge plenum disposed in the discharge cover and configured to partition the inner space into a plurality of discharge spaces, and a second discharge plenum disposed forward relative to the first discharge plenum and being in close contact with an inner surface of the discharge cover.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: September 5, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Sungchul Gong, Kiwon Noh
  • Publication number: 20230175497
    Abstract: A linear compressor is provided. The linear compressor includes a shell, a frame disposed in the shell, the frame including a body portion and a first flange portion extending radially from a front of the body portion, a cylinder fixed to the body portion, and a piston disposed in the cylinder and configured to reciprocate axially. The first flange portion includes a hole penetrating a front surface and an inner surface of the first flange portion.
    Type: Application
    Filed: July 28, 2022
    Publication date: June 8, 2023
    Inventors: Kiwon NOH, Donghyeok KWON, Sungchul GONG
  • Patent number: 11566611
    Abstract: A linear compressor includes a mover which linearly reciprocates, a stator generating a driving force to allow the mover to linearly reciprocate and having a cylinder space formed on an inner circumferential surface thereof, a cylinder inserted into the cylinder space of the stator and having a compression space compressing a refrigerant, a piston reciprocating in an axial direction inside the cylinder, a frame provided on one side of the stator in an axial direction and supporting the stator in the axial direction, and a cylinder support member separated from the frame, provided between an inner circumferential surface of the stator and an outer circumferential surface of the cylinder, having one end fixed to the stator and the other end fixed to the cylinder, and supporting the cylinder with respect to the stator in the axial direction.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: January 31, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jongkoo Lee, Sungchul Gong, Susok Lee
  • Publication number: 20220186719
    Abstract: A linear compressor includes a mover which linearly reciprocates, a stator generating a driving force to allow the mover to linearly reciprocate and having a cylinder space formed on an inner circumferential surface thereof, a cylinder inserted into the cylinder space of the stator and having a compression space compressing a refrigerant, a piston reciprocating in an axial direction inside the cylinder, a frame provided on one side of the stator in an axial direction and supporting the stator in the axial direction, and a cylinder support member separated from the frame, provided between an inner circumferential surface of the stator and an outer circumferential surface of the cylinder, having one end fixed to the stator and the other end fixed to the cylinder, and supporting the cylinder with respect to the stator in the axial direction.
    Type: Application
    Filed: March 2, 2022
    Publication date: June 16, 2022
    Inventors: Jongkoo LEE, Sungchul GONG, Susok LEE
  • Publication number: 20220170450
    Abstract: A linear compressor includes a frame, a cylinder disposed in the frame, a piston disposed in the cylinder and configured to reciprocate relative to the cylinder along an axis of the cylinder, a discharge valve disposed forward relative to the piston, and a discharge cover assembly coupled to the frame and disposed forward relative to the piston. The discharge cover assembly includes a discharge cover forming an inner space, a first discharge plenum disposed in the discharge cover and configured to partition the inner space into a plurality of discharge spaces, and a second discharge plenum disposed forward relative to the first discharge plenum and being in close contact with an inner surface of the discharge cover.
    Type: Application
    Filed: August 12, 2021
    Publication date: June 2, 2022
    Inventors: Sungchul GONG, Kiwon NOH
  • Patent number: 11268504
    Abstract: A linear compressor includes a mover which linearly reciprocates, a stator generating a driving force to allow the mover to linearly reciprocate and having a cylinder space formed on an inner circumferential surface thereof, a cylinder inserted into the cylinder space of the stator and having a compression space compressing a refrigerant, a piston reciprocating in an axial direction inside the cylinder, a frame provided on one side of the stator in an axial direction and supporting the stator in the axial direction, and a cylinder support member separated from the frame, provided between an inner circumferential surface of the stator and an outer circumferential surface of the cylinder, having one end fixed to the stator and the other end fixed to the cylinder, and supporting the cylinder with respect to the stator in the axial direction.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: March 8, 2022
    Assignee: LG Electronics Inc.
    Inventors: Jongkoo Lee, Sungchul Gong, Susok Lee
  • Patent number: 10883484
    Abstract: A reciprocating compressor includes a cylinder that defines an inner space, a piston that is located in the inner space of the cylinder and that defines a compression space configured to receive refrigerant, a discharge cover that is coupled to a side of the cylinder and that defines a discharge space configured to receive refrigerant discharged from the compression space, and a valve plate that is located at a side space defined at the side of the cylinder and that partitions the side space into the compression space and the discharge space. The valve plate defines a discharge hole through which the compression space and the discharge space communicate with each other, in which the discharge hole includes an inlet that faces the compression space and an outlet that faces the discharge space. The inlet and the outlet have different shapes.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: January 5, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jongkoo Lee, Sungchul Gong, Jeonguk Lee
  • Publication number: 20190093645
    Abstract: A linear compressor includes a mover which linearly reciprocates, a stator generating a driving force to allow the mover to linearly reciprocate and having a cylinder space formed on an inner circumferential surface thereof, a cylinder inserted into the cylinder space of the stator and having a compression space compressing a refrigerant, a piston reciprocating in an axial direction inside the cylinder, a frame provided on one side of the stator in an axial direction and supporting the stator in the axial direction, and a cylinder support member separated from the frame, provided between an inner circumferential surface of the stator and an outer circumferential surface of the cylinder, having one end fixed to the stator and the other end fixed to the cylinder, and supporting the cylinder with respect to the stator in the axial direction.
    Type: Application
    Filed: September 28, 2018
    Publication date: March 28, 2019
    Inventors: Jongkoo LEE, Sungchul GONG, Susok LEE
  • Publication number: 20180223822
    Abstract: A reciprocating compressor includes a cylinder that defines an inner space, a piston that is located in the inner space of the cylinder and that defines a compression space configured to receive refrigerant, a discharge cover that is coupled to a side of the cylinder and that defines a discharge space configured to receive refrigerant discharged from the compression space, and a valve plate that is located at a side space defined at the side of the cylinder and that partitions the side space into the compression space and the discharge space. The valve plate defines a discharge hole through which the compression space and the discharge space communicate with each other, in which the discharge hole includes an inlet that faces the compression space and an outlet that faces the discharge space. The inlet and the outlet have different shapes.
    Type: Application
    Filed: February 2, 2018
    Publication date: August 9, 2018
    Inventors: Jongkoo LEE, Sungchul GONG, Jeonguk LEE
  • Publication number: 20170002808
    Abstract: A compressor is provided that may include a shell in which a discharge outlet may be provided; a cylinder provided inside of the shell and configured to form a compression space of a refrigerant; a piston provided inside of the cylinder and capable of reciprocating in an axial direction; and a discharge valve provided at one side of the cylinder and configured to selectively discharge a refrigerant compressed in the compression space of the refrigerant. The discharge valve may be formed with a magnesium (Mg) alloy in which the Mg has a weight ratio (wt %) of about 90 or higher, thus having a tensile strength of about 250 MPa or higher at about 150° C.
    Type: Application
    Filed: June 7, 2016
    Publication date: January 5, 2017
    Inventors: Sungchul GONG, Byunghoon Woo, Wonsik Oh