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公开(公告)号：US20230332597A1
公开(公告)日：2023-10-19
申请号：US18101354
申请日：2023-01-25
Applicant: LG Electronics Inc.
Inventor： Sangsub JEONG , Sungchul GONG , Seongyeol HYUN
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.
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12.发明申请公开(公告)号：US20180198357A1
公开(公告)日：2018-07-12
申请号：US15865684
申请日：2018-01-09
Applicant: LG ELECTRONICS INC.
Inventor： Sangsub JEONG , Jaebeum Kim
Abstract: A movable core-type reciprocating motor and a compressor having a movable core-type reciprocating motor are provided. The motor may include a stator including an inner stator and an outer stator; a magnet coil wound between the inner stator and the outer stator; a magnet fixed to at least one of the inner stator or the outer stator so as to be at least partially positioned within a range of the air gap; and a mover including at least one movable core disposed in the air gap and made of a magnetic material to perform a reciprocation movement with respect to the stator and the magnet and a connection member made of a non-magnetic material and configured to support the at least one movable core.
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公开(公告)号：US20160056699A1
公开(公告)日：2016-02-25
申请号：US14812244
申请日：2015-07-29
Applicant: LG ELECTRONICS INC.
Inventor： Sangsub JEONG , Jehoon KIM , Ochang GWON
CPC classification number: H02K33/16 , F04B35/04 , F04B35/045 , F04B39/121 , F04B39/122 , F04B53/14 , H02K1/34 , H02K3/38 , H02K7/14
Abstract: Provided is a linear compressor. The linear compressor includes a cylinder defining a compression space for a refrigerant, a piston reciprocated in an axis direction within the cylinder, and a linear motor providing power to the piston. The linear motor includes an inner stator disposed outside the cylinder, the inner stator including a center core and a side core disposed on at least one side of the center core, an outer stator disposed to be spaced outward from the inner stator in a radius direction, and a magnet movably disposed in an airgap defined between the inner stator and the outer stator. The side core includes a core body and a lead-out guide device coupled to the core body to expose or lead out a power line to the outside of the side core.
Abstract translation: 提供了一种线性压缩机。 线性压缩机包括限定用于制冷剂的压缩空间的气缸，在气缸内沿轴向往复运动的活塞和向活塞提供动力的线性电动机。 线性电动机包括设置在气缸外部的内定子，内定子包括设置在中心芯的至少一侧的中心芯和侧芯，外定子，其设置成与内定子在半径方向上向外间隔开 以及可移动地设置在限定在内部定子和外部定子之间的气隙中的磁体。 侧芯包括芯体和连接到芯体的引出引导装置，以将电源线暴露或引出到侧芯的外部。
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公开(公告)号：US20150004014A1
公开(公告)日：2015-01-01
申请号：US14317336
申请日：2014-06-27
Applicant: LG ELECTRONICS INC.
Inventor： Jookon KIM , Chulgi ROH , Sungtaek WOO , Sangsub JEONG , Kyoungseok KANG , Wonhyun JUNG
IPC: F04B39/00
CPC classification number: F04B39/0027 , F04B35/045 , F04B39/0016 , F04B39/0055 , F04B39/0061
Abstract: A linear compressor is provided. The linear compressor may include a shell including a refrigerant inlet, a cylinder provided within the shell, a piston that reciprocates within the cylinder, and a suction muffler provided movable together with the piston. The suction muffler may include a muffler main body that defines a refrigerant passage, a main body insertion portion press-fitted into the muffler main body, and a piston insertion portion press-fitted into the muffler main body to extend into the piston. The piston insertion portion may correspond to the main body insertion portion in configuration.
Abstract translation: 提供线性压缩机。 线性压缩机可以包括壳体，其包括制冷剂入口，设置在壳体内的气缸，在气缸内往复运动的活塞以及与活塞一起可移动的吸入消声器。 吸入消声器可以包括限定制冷剂通道的消音器主体，压入消声器主体中的主体插入部分和压入到消声器主体中以延伸到活塞中的活塞插入部。 活塞插入部可以对应于主体插入部的构造。
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公开(公告)号：US20230151801A1
公开(公告)日：2023-05-18
申请号：US18097882
申请日：2023-01-17
Applicant: LG Electronics Inc.
Inventor： Sanga PARK , Hyosang YU , Sangsub JEONG
CPC classification number: F04B35/04 , F04B9/107 , F04B39/121 , F04B35/045
Abstract: A linear compressor includes one spring assembly including a plurality of spring parts fixed to both side surfaces of a supporter and a rear cover and configured to support a load generated in the compressor. In addition, both side portions of the spring part are provided with fixing brackets coupled to the supporter and the rear cover, and the fixing bracket is provided with an insertion member or a bracket coupling member so that the coupling force of the spring part can be increased.
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Patent Agency Ranking
公开(公告)号：US20220154708A1
公开(公告)日：2022-05-19
申请号：US17476743
申请日：2021-09-16
Applicant: LG ELECTRONICS INC.
Inventor： Jaebeum KIM , Sangsub JEONG , Sanga PARK
Abstract: A linear compressor includes a frame; an outer stator including a stator core disposed on the frame, a teeth portion extending inward from the stator core, and a teeth shoe extending in a circumferential direction from an inner end of the teeth portion; a coil disposed on the teeth portion; a cylinder disposed on the frame; a piston disposed in the cylinder; an inner stator coupled to an outer circumferential surface of the piston, and reciprocating in an axial direction by electromagnetic interaction with the coil; a magnet disposed on the teeth shoe and facing the inner stator; and a virtual pole disposed on the teeth shoe, disposed in front or behind in an axial direction of the magnet, and facing the inner stator. The outer stator includes a plurality of core plates stacked in the axial direction.
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公开(公告)号：US20220069689A1
公开(公告)日：2022-03-03
申请号：US17375132
申请日：2021-07-14
Applicant: LG ELECTRONICS INC.
Inventor： Jaebeum KIM , Sangsub JEONG , Sanga PARK
Abstract: A transverse flux reciprocating motor and a linear compressor including the same are described. The transverse flux reciprocating motor includes an outer stator including a stator core, a teeth portion extended from the stator core to an inside, and a teeth shoe extended from an inner end of the teeth portion in a circumferential direction; a coil disposed on the teeth portion; an inner stator disposed in the outer stator and configured to reciprocate in an axial direction due to an electromagnetic interaction with the coil; and a magnet disposed on the teeth shoe and facing the inner stator. The stator core includes a plurality of core plates stacked in the axial direction. The magnet includes first and second magnets that are spaced from each other in the axial direction.
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公开(公告)号：US20220065238A1
公开(公告)日：2022-03-03
申请号：US17375131
申请日：2021-07-14
Applicant: LG ELECTRONICS INC.
Inventor： Sangsub JEONG , Jaebeum KIM , Sanga PARK
Abstract: A linear compressor includes a cylinder, a piston disposed in the cylinder and reciprocating along an axis of the cylinder, a stator core disposed outside the cylinder, a coil winding body that is disposed in the stator core and includes first to fourth coils that are spaced from each other in a circumferential direction, a mover connected to the piston and reciprocating along the axis by an electromagnetic interaction with the coil winding body, and a switch unit configured to connect the first and second coils and the third and fourth coils in series or in parallel depending on a magnitude of a load. The first and second coils are connected in series, and the third and fourth coils are connected in series. The first to fourth coils each have the same inductance.
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公开(公告)号：US20190245424A1
公开(公告)日：2019-08-08
申请号：US16269099
申请日：2019-02-06
Applicant: LG Electronics Inc.
Inventor： Sangsub JEONG
CPC classification number: H02K41/031 , F04B35/04 , H02K1/17 , H02K7/14
Abstract: There is provided a linear motor and a linear compressor including the same. The linear motor includes a stator including an air gap, a coil provided in the stator, a mover for reciprocating in the air gap, and at least one magnet fixed to the stator. In the magnet, a length in a first direction that intersects a reciprocating direction of the mover is larger than a length in a second direction that is the reciprocating direction of the mover. Therefore, it is possible to maintain or improve motor efficiency by using an amount of use of a magnet while using a low-priced magnet.
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公开(公告)号：US20180198337A1
公开(公告)日：2018-07-12
申请号：US15866727
申请日：2018-01-10
Applicant: LG ELECTRONICS INC.
Inventor： Sangsub JEONG , Jaebeum Kim
Abstract: Provided are a moving core-type reciprocating motor and a reciprocating compressor having the same. The moving core-type reciprocating motor includes a stator including an inner stator and an outer stator having one side connected to one side of the inner stator and the other side spaced apart from the other side of the inner stator in a radius direction to define a gap together with the other side of the inner stator, a magnet coil wound between the inner stator and the outer stator, a magnet fixed to at least one of the inner stator and the outer stator so as to be exposed to the gap, a rotor including a moving core disposed in the gas and made of a magnetic material to reciprocate with respect to the stator and the magnet and a hollow connection member made of a nonmagnetic material and supporting the moving core so that the moving core is exposed to the gap toward the magnet. Thus, the reciprocating motor and the reciprocating compressor having the same are compact and lightweight to more improve efficiency.
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