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公开(公告)号：US20200276674A1
公开(公告)日：2020-09-03
申请号：US16757250
申请日：2017-10-17
Applicant: LG ELECTRONICS INC.
Inventor： Kyungmin LEE , Sanggoun SEO , Hojae CHO , Yonggyu AN , Sehui HAN , Jungsik PARK , Daeyong SEONG
Abstract: The present disclosure relates to a welding system which detects welding defects and repairs the welding defects and the welding system may include a welding machine configured to weld an object to be welded, a sensor configured to sense a weldment welded by the welding machine, and a control device configured to receive first sensing result data obtained by sensing the weldment from the sensor, to analyze the weldment based on the first sensing result data, and to transmit a repair welding command so that the welding machine performs repair welding based on the analysis result.
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公开(公告)号：US20210140424A1
公开(公告)日：2021-05-13
申请号：US17091546
申请日：2020-11-06
Applicant: LG Electronics Inc.
Inventor： Wooju JEON , Youngpil KIM , Kyungmin LEE , Sangik SON
Abstract: A compressor and a method of manufacturing the same are disclosed. The compressor includes a piston having formed therein a suction space, in which refrigerant gas is sucked; and a cylinder in which a piston is accommodated, the cylinder defining a compression space that is configured, based on the piston reciprocating in an axial direction, to compress the refrigerant gas therein. A plurality of grooves having a partial spherical shape and having a diameter of 10 micrometers is formed in an outer circumferential surface of the piston or an inner circumferential surface of the cylinder.
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公开(公告)号：US20210123428A1
公开(公告)日：2021-04-29
申请号：US17078552
申请日：2020-10-23
Applicant: LG Electronics Inc.
Inventor： Sangik SON , Youngpil KIM , Kyungmin LEE , Wooju JEON
Abstract: A compressor includes a cylinder comprising a cylinder body which has a cylindrical shape and defining a compression space for refrigerant gas, a piston configured to be reciprocated in an axial direction within the cylinder body and to compress the refrigerant gas in the compression space, and a frame in which the cylinder is received, the frame defining a gas hole, one side of the gas hole communicating with outside so that the refrigerant gas is introduced, the other side of the gas hole extending up to an inner circumferential surface so as to guide the refrigerant gas.
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公开(公告)号：US20200347842A1
公开(公告)日：2020-11-05
申请号：US16828590
申请日：2020-03-24
Applicant: LG Electronics Inc.
Inventor： Kyungmin LEE , Kiwon NOH , Wonsik OH
Abstract: The present invention relates to a linear compressor. The linear compressor according to the spirit of the present invention includes a cylinder, a piston, a suction valve, and a valve fastening member. In addition, the suction valve includes a fixed portion and a plurality of vanes extending from the fixed portion in a radial direction and deformed forward in the radial direction to open the suction port. The plurality of vanes includes a first vane and a second vane formed with a lower rigidity or a lower stiffness than the first vane.
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公开(公告)号：US20220178361A1
公开(公告)日：2022-06-09
申请号：US17503468
申请日：2021-10-18
Applicant: LG ELECTRONICS INC.
Inventor： Wooju JEON , Kyungmin LEE , Sangik SON
Abstract: A linear compressor includes: a frame comprising a body portion, a flange portion extending from a front side of the body portion along a radial direction of the body portion, and a bearing communication hole that is in fluid communication with a front surface of the flange portion and an inner circumferential surface of the body portion, a cylinder coupled to the body portion, a piston that is disposed in the cylinder and that is configured to reciprocate along an axial direction of the cylinder, and a valve member that is disposed at the frame and that is configured to open and close the bearing communication hole based on a pressure of air between the cylinder and the piston.
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Patent Agency Ranking
公开(公告)号：US20210123424A1
公开(公告)日：2021-04-29
申请号：US17078468
申请日：2020-10-23
Applicant: LG Electronics Inc.
Inventor： Sangik SON , Youngpil KIM , Kyungmin LEE , Wooju JEON
Abstract: A compressor includes: a cylinder defining a compression space, a piston structure accommodated in the cylinder and including a mount member and a guide member, the guide member being configured to reciprocate inside the compression space of the cylinder in an axial direction to compress a refrigerant gas therein and a magnet frame configured to support a mover, the mover being coupled to the piston structure and configured to move together with the piston structure. The mount member connects the guide member to the magnet frame and the guide member is configured to be rotated with respect to the mount member.
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公开(公告)号：US20210102533A1
公开(公告)日：2021-04-08
申请号：US17065958
申请日：2020-10-08
Applicant: LG Electronics Inc.
Inventor： Wooju JEON , Youngpil KIM , Kyungmin LEE , Sangik SON
IPC: F04B39/00
Abstract: A compressor is disclosed. A compressor according to the present discloser includes a piston structure which has a guide member reciprocating inside a cylinder in an axial direction, and a magnet frame which supports a mover moving together with the piston structure, in which the piston structure includes the guide member, a mount member connected to the magnet frame, and an elastic member provided between the guide member and the mount member and capable of elastic deformation.
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公开(公告)号：US20160017875A1
公开(公告)日：2016-01-21
申请号：US14804640
申请日：2015-07-21
Applicant: LG ELECTRONICS INC.
Inventor： Kiwon NOH , Kyungmin LEE , Jeehyun KIM
CPC classification number: F04B53/1035 , F04B35/045 , F04B39/08 , F04B39/102 , F04B39/1033 , F04B39/121 , F04B53/1022 , F04B53/1032 , Y10T137/7922 , Y10T137/7932 , Y10T137/7934 , Y10T137/7936
Abstract: A linear compressor is provided that may include a shell in which a discharge port may be provided, a cylinder disposed in the shell to define a compression space for a refrigerant, a piston disposed to be reciprocated in an axial direction within the cylinder, a discharge valve disposed on or at one side of the cylinder to selectively discharge the refrigerant compressed in the compression space, a valve spring coupled to the discharge valve to provide a restoring force, and a stopper coupled to the valve spring to restrict deformation of the valve spring. The stopper may include a guide recessed in a direction in which the valve spring is deformed to reduce an impulse between the stopper and the valve spring.
Abstract translation: 提供一种线性压缩机，其可以包括可以设置有排出口的壳体，设置在壳体中以限定用于制冷剂的压缩空间的气缸，设置成在气缸内沿轴向往复运动的活塞， 阀设置在气缸的一侧或其一侧，以选择性地排出在压缩空间中压缩的制冷剂，连接到排出阀以提供恢复力的阀弹簧和联接到阀弹簧的止动件，以限制阀弹簧的变形 。 止动器可以包括沿阀弹簧变形的方向凹陷的引导件，以减小止动件和阀弹簧之间的冲击。
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公开(公告)号：US20180195504A1
公开(公告)日：2018-07-12
申请号：US15865957
申请日：2018-01-09
Applicant: LG Electronics Inc.
Inventor： Kyungmin LEE , Kiwon NOH
CPC classification number: F04B39/127 , F04B35/04 , F04B35/045 , F04B37/18 , F04B39/0061 , F04B39/06 , F04B39/121 , F04B39/123 , F04B39/125 , F04B53/008
Abstract: A linear compressor includes a cylinder that defines a compression space configured to receive refrigerant, a piston that is located in the cylinder and that is configured to move in an axial direction of the cylinder and to compress refrigerant in the cylinder, a discharge cover that defines a discharge space configured to receive refrigerant discharged from the compression space, a frame configured to accommodate the cylinder and coupled to the discharge cover at a front side of the frame, and a plurality of blocking members that are located between the discharge cover and at least one of the frame or the cylinder. The plurality of blocking members are configured to restrict heat transfer to at least one of the frame or the cylinder from refrigerant discharged from the compression space.
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公开(公告)号：US20170321677A1
公开(公告)日：2017-11-09
申请号：US15496261
申请日：2017-04-25
Applicant: LG ELECTRONICS INC.
Inventor： Junghae KIM , Jeehyun Kim , Kiwon NOH , Yunhyeok YU , Kyungmin LEE
CPC classification number: F04B39/10 , F04B17/04 , F04B17/042 , F04B17/044 , F04B35/04 , F04B35/045 , F04B39/1033 , F04B39/125 , F04B53/001 , F04B53/1032
Abstract: A linear compressor is provided that may include a shell, a cylinder accommodated into the shell and defining a compression space for a refrigerant, a frame to which the cylinder may be fixed, a piston that reciprocates within the cylinder in an axial direction and compresses a refrigerant supplied to the compression space, a discharge valve that discharges the refrigerant compressed in the compression space, a discharge cover coupled to the frame and defining a discharge space in which the refrigerant discharged from the compression space by opening of the discharge valve may be collected, a valve spring that supports the discharge valve, and a support integrally formed with the valve spring by insert injection molding and coupled to the discharge cover. The valve spring may define one or more holes filled with a molding liquid used to form the support in the insert injection molding of the support.
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