公开(公告)号：US20170321676A1

公开(公告)日：2017-11-09

申请号：US15585316

申请日：2017-05-03

Applicant: LG ELECTRONICS INC.

Inventor： Seongho HA ,  Hyosang YU ,  Jaeyoun LIM ,  Kichul CHOI ,  Jungwan HEO

IPC: F04B39/00 ,  F04B35/04 ,  F04B37/18 ,  F04B39/12

CPC classification number: F04B39/0061 ,  F04B35/04 ,  F04B35/045 ,  F04B37/18 ,  F04B39/0016 ,  F04B39/0044 ,  F04B39/121

Abstract: A linear compressor is provided that may include a casing, a frame accommodated in the casing, a cylinder that passes through a center of the frame, supported by the frame, and defining a compression space for a refrigerant, a piston inserted into the cylinder to reciprocate in an axial direction of the cylinder and having a first end that compresses the refrigerant supplied to the compression space, a suction muffler which is coupled to a second end of the piston and through which the refrigerant supplied to the compression space may flow, a spring that allows a resonant motion of the piston, a back cover including a cover body that defines a refrigerant opening at a central portion, such that a refrigerant passes therethrough, the back cover supporting the spring, and an inflow guide which is fixed to the cover body and guides the refrigerant passing through the refrigerant opening towards an inside of the suction muffler. At least a portion of the inflow guide may be inserted into the suction muffler, and a central axis thereof may be aligned with a central axis of the refrigerant opening.

公开(公告)号：US20150369225A1

公开(公告)日：2015-12-24

申请号：US14644254

申请日：2015-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Seongho HA ,  Donghan KIM ,  Kwangwoon AHN

IPC: F04B7/02 ,  F04B53/20 ,  F04B19/22

CPC classification number: F04B39/122 ,  F04B35/045 ,  F04B39/123 ,  F04B39/126 ,  F04B53/008 ,  F04B53/162 ,  F04B53/20

Abstract: A linear compressor is provided that may include a shell including a suction inlet, a cylinder provided in the shell to define a compression space for a refrigerant, a piston reciprocated in an axial direction within the cylinder, a discharge valve provided at a first side of the cylinder to selectively discharge the refrigerant compressed in the compression space, at least one nozzle, through which at least a portion of the refrigerant discharged through the discharge valve flows, the at least one nozzle being disposed in the cylinder, and at least one expansion portion that extends from the at least one nozzle to an inner circumferential surface of the cylinder, the at least one expansion portion having a flow cross-section area greater than a flow cross-section area of the at least one nozzle.

Abstract translation: 提供一种线性压缩机，其可以包括壳体，所述壳体包括吸入口，设置在壳体中的气缸，以限定用于制冷剂的压缩空间;在气缸内沿轴向往复运动的活塞;排出阀，设置在第一侧 所述气缸用于选择性地排出在压缩空间中被压缩的制冷剂，至少一个喷嘴，至少一部分通过排出阀排出的制冷剂流过该喷嘴，至少一个喷嘴设置在气缸中，以及至少一个膨胀 所述至少一个膨胀部分从所述至少一个喷嘴延伸到所述圆筒的内圆周表面，所述至少一个膨胀部分具有大于所述至少一个喷嘴的流动横截面面积的流动横截面面积。

公开(公告)号：US20190178538A1

公开(公告)日：2019-06-13

申请号：US16099000

申请日：2017-04-07

Applicant: LG Electronics Inc.

Inventor： Jaeyoun LIM ,  Byunghoon WOO ,  Hyosang YU ,  Seongho HA ,  Jungwan HEO

IPC: F25B31/02 ,  F04B35/04 ,  F04B39/12 ,  F04B39/00

Abstract: A linear compressor according to an embodiment of the present invention comprises: a shell; a cylinder which is provided inside the shell and forms a compression space of a refrigerant; a frame which is coupled to the outer side of the cylinder; a piston which is provided so as to perform a reciprocating movement in an axial direction inside the cylinder; a motor which supplies power to the piston; and a spring mechanism which is coupled to the piston to allow the piston to perform a resonant movement, wherein the spring mechanism may comprise: a support which is connected to the piston and comprises a spring support unit having one or more insertion holes formed therein; a first coupling protrusion which extends from the rear side of the spring support unit along the edge of the insertion hole; a support cap which is inserted into the insertion hole and comprises a second coupling protrusion protruding from the front side of the spring support unit; a first resonant spring which is inserted into the outer circumferential surface of the second coupling protrusion; and a second resonant spring which is inserted into the outer circumferential surface of the first coupling protrusion.

公开(公告)号：US20150369237A1

公开(公告)日：2015-12-24

申请号：US14644988

申请日：2015-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Kwangwoon AHN ,  Donghan KIM ,  Seongho HA

IPC: F04B53/10 ,  F04B53/20

CPC classification number: F04B53/1077 ,  F04B35/045 ,  F04B39/0292 ,  F04B39/041 ,  F04B39/122 ,  F04B53/008 ,  F04B53/20

Abstract: A linear compressor is provided. The linear compressor may include a shell including a suction inlet, a cylinder provided in the shell to define a compression space for a refrigerant, a piston reciprocated in an axial direction within the cylinder, a discharge valve provided at one side of the cylinder to selectively discharge the refrigerant compressed in the compression space, and at least one nozzle, through which at least a portion of the refrigerant discharged through the discharge valve may flow, the at least one nozzle being disposed in the cylinder. The at least one nozzle may include an inlet, through which the refrigerant may be introduced, and an outlet having a diameter less than a diameter of the inlet.

Abstract translation: 提供线性压缩机。 线性压缩机可以包括壳体，其包括抽吸入口，设置在壳体中的气缸，以限定用于制冷剂的压缩空间;在气缸内沿轴向往复运动的活塞;排出阀，其设置在气缸的一侧以选择性地 排出在压缩空间中被压缩的制冷剂，以及至少一个喷嘴，至少一部分通过排出阀排出的制冷剂可流过该喷嘴，至少一个喷嘴设置在气缸中。 至少一个喷嘴可以包括可以引入制冷剂的入口和具有小于入口直径的直径的出口。

公开(公告)号：US20170314542A1

公开(公告)日：2017-11-02

申请号：US15497567

申请日：2017-04-26

Applicant: LG ELECTRONICS INC.

Inventor： Seongho HA ,  Donghan KIM ,  Jaeyoun LIM ,  Kichul CHOI ,  Jungwan HEO

IPC: F04B39/00 ,  F04B35/04 ,  F04B39/12 ,  F04B39/16

Abstract: A linear compressor is provided. The linear compressor may include a piston having a first piston groove and a second piston groove.

公开(公告)号：US20150369528A1

公开(公告)日：2015-12-24

申请号：US14645556

申请日：2015-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Kyeongweon LEE ,  Seongho HA ,  Wonhyun JUNG

IPC: F25B43/00 ,  F25B43/02 ,  F25B13/00

CPC classification number: F25B43/003 ,  F25B13/00 ,  F25B43/02 ,  F25B2400/073 ,  F26B5/16 ,  F26B7/00

Abstract: A cooling system and a refrigerator including a cooling system are provided. The cooling system may include a linear compressor including a reciprocating piston and a cylinder that accommodates the piston and having an outer circumferential surface, into which a refrigerant may be introduced, a refrigerant filter device provided in the linear compressor to filter the refrigerant introduced into one or more gas inflow of the cylinder, a condenser that condenses the refrigerant compressed in the linear compressor, and a dryer that removes foreign substances or oil from the refrigerant condensed in the condenser. The dryer may include a dryer body including a refrigerant inflow, through which the refrigerant condensed in the condenser may be introduced, and a refrigerant discharge, through which the refrigerant may be discharged, and an adsorption filter accommodated in the dryer body to filter the oil in the refrigerant introduced through the refrigerant inflow.

Abstract translation: 提供了一种冷却系统和包括冷却系统的冰箱。 冷却系统可以包括线性压缩机，其包括往复活塞和容纳活塞并具有可以引入制冷剂的外圆周表面的气缸，设置在线性压缩机中的制冷剂过滤装置，以将被引入的制冷剂过滤 或更多的气体流入，将压缩在线性压缩机中的制冷剂冷凝的冷凝器和从冷凝器中冷凝的制冷剂中除去异物或油的干燥器。 干燥机可以包括干燥器主体，其包括制冷剂流入，冷凝器中冷凝的制冷剂可以通过该制冷剂流入;制冷剂排出口，制冷剂可以通过该排出;以及容纳在干燥器主体中的吸附过滤器以过滤油 在通过制冷剂流入引入的制冷剂中。