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    Magnetic cooling system
    12.
    发明授权
    Magnetic cooling system 有权

    公开(公告)号：US11686509B2

    公开(公告)日：2023-06-27

    申请号：US16766995

    申请日：2018-11-08

    Applicant: LG ELECTRONICS INC.

    Inventor： Changwoo Son

    IPC: F25B21/00

    CPC classification number: F25B21/00 ,  F25B2321/0022

    Abstract: The present disclosure relates to a magnetic cooling system and provides a magnetic cooling system including: a magnetocaloric material for generating and emitting heat when a magnetic field is applied thereto, and absorbing heat when the magnetic field is removed therefrom; a magnetic heat exchanger containing the magnetocaloric material therein; a heat transfer fluid for heat-exchanging with the magnetocaloric material while flowing inside the magnetic heat exchanger, a magnetic field applying part including a first magnetic field applying part and a second magnetic field applying part, which are installed to have the magnetic heat exchanger disposed therebetween; and a driving part for moving one of the first magnetic field applying part and the second magnetic field applying part, where, as the driving part moves one of the first magnetic field applying part and the second magnetic field applying part, the attraction force between the first magnetic field applying part and the second magnetic field applying part causes synchronous movement of the other thereof.

    Robot and method for controlling robot
    14.
    发明授权
    Robot and method for controlling robot 有权

    公开(公告)号：US11383384B2

    公开(公告)日：2022-07-12

    申请号：US16833158

    申请日：2020-03-27

    Applicant: LG ELECTRONICS INC.

    Inventor： Sung Gil Park ,  Changwoo Son ,  Seyul Son ,  Taeyoung Choi ,  Seuk Woo Ryu

    IPC: B25J9/16

    Abstract: Disclosed is a robot and a method for controlling a robot. The robot according to an embodiment of the present disclosure may include an end-effector configured to grip a tool, a tactile sensor disposed in the end-effector, the tactile sensor configured to generate tactile information about an identifier formed on the tool, and a processor configured to cause the end-effector to grip the tool, and determine at least one of a type or a posture of the tool gripped by the end-effector based on the tactile information received from the tactile sensor. Embodiments of the present disclosure may be implemented by executing an artificial intelligence algorithm and/or machine learning algorithm in a 5G environment connected for the Internet of Things.

    Tool coupler, tool changer, tool mounter, and tool change system having the same
    16.
    发明授权
    Tool coupler, tool changer, tool mounter, and tool change system having the same 有权

    公开(公告)号：US11130243B2

    公开(公告)日：2021-09-28

    申请号：US16839186

    申请日：2020-04-03

    Applicant: LG ELECTRONICS INC.

    Inventor： Changwoo Son

    IPC: B25J15/04 ,  B25J15/06 ,  B25J11/00 ,  B25B11/00 ,  B23Q3/155

    Abstract: A tool system including a housing fastened to a tool, the housing being formed of a non-magnetic material, a magnet module embedded in the housing, a pair of mounting grooves in the housing and located below the magnet module, a changer body provided on a manipulator, the changer body being formed a non-magnetic material, a metal bar mounted on the changer body, a pair of terminals provided at both ends of the metal bar, the pair of terminals being formed of magnetic material, the pair of terminals facing the magnet module, a fixing bar outside the housing, the fixing bar being formed of a magnetic material, and a pair of mounting pins extending vertically from both ends of the fixing bar, the pair of mounting pins being formed of magnetic materials, and the pair of mounting pins are inserted into the pair of mounting grooves is provided.

    Door opening and closing device for refrigerator
    17.
    发明授权
    Door opening and closing device for refrigerator 有权

    公开(公告)号：US10301865B2

    公开(公告)日：2019-05-28

    申请号：US15508680

    申请日：2015-09-04

    Applicant: LG ELECTRONICS INC.

    Inventor： Changwoo Son ,  Myoungju Kang ,  Cholok Han

    IPC: F25D23/02 ,  E05F15/614 ,  E05F15/75 ,  E06B5/00 ,  E06B7/215 ,  F25D29/00

    Abstract: A door opening and closing device for a refrigerator includes a door coupled by means of a hinge unit to a main body defining a storage compartment therein, a gasket disposed between the door and the main body to provide a hermetic seal therebetween, and an opening and closing unit for opening and closing the door with respect to the main body, wherein the opening and closing unit includes a drive unit for generating a driving force, a gasket separation mechanism for pushing the main body using rotational force transmitted from the drive unit to separate the gasket from the main body or the door, and a door rotating mechanism for rotating the door using the rotational force transmitted from the drive unit.

    Robot arm
    19.
    发明授权
    Robot arm 有权

    公开(公告)号：US11511447B2

    公开(公告)日：2022-11-29

    申请号：US16803049

    申请日：2020-02-27

    Applicant: LG ELECTRONICS INC.

    Inventor： Changwoo Son

    IPC: B25J19/00 ,  F16H7/02 ,  B25J18/00 ,  B25J9/10 ,  F16H19/08 ,  B25J17/00 ,  B25J17/02

    Abstract: A robot arm including a rotating body connected to a base, an arm rotating about a central axis of the rotating body, a moving pulley provided at the arm and revolving along a circular track which is concentric with the rotating body, a reference pulley provided at the base and positioned on an inner side with respect to the circular track, a spring embedded in the arm and compressed or stretched in a lengthwise direction of the arm, a string compressing the spring and wound around the moving pulley and the reference pulley, and a plurality of roller bearings arranged to be spaced apart from each other along an outer circumference of the rotating body, rotating about a rotation axis parallel to the central axis of the rotating body, and configured to be in contact with the string is provided.

    Dishwasher and method of controlling same
    20.
    发明授权
    Dishwasher and method of controlling same 有权

    公开(公告)号：US11484184B2

    公开(公告)日：2022-11-01

    申请号：US17115443

    申请日：2020-12-08

    Applicant: LG Electronics Inc.

    Inventor： Changwoo Son ,  Junhwa Song

    IPC: A47L15/42 ,  A47L15/00 ,  A47L15/22 ,  A47L15/46

    Abstract: The present disclosure relates to a dishwasher and a method of controlling the same. The dishwasher may determine an amount of foam in a wash space using a turbidity sensor measuring a turbidity value of wash water. Additionally, the dishwasher may perform a foam removal operation based on the amount of the foam in the wash space. In this case, the turbidity value measured by the turbidity sensor may be used. The foam removal operation may include a drainage operation, a water supply operation, and a wash operation that are consecutively performed, and may be performed in one or more of a pre-wash course, a main wash course, and a heating and rinsing course.

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