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公开(公告)号：US10036374B2
公开(公告)日：2018-07-31
申请号：US14675903
申请日：2015-04-01
Applicant: LG ELECTRONICS INC.
Inventor： Kyeongweon Lee , Sunghyun Ki , Junghae Kim
IPC: F04B39/00 , F04C29/06 , F04C18/02 , F04C29/00 , F04C18/356
CPC classification number: F04B39/0027 , F04C18/0207 , F04C18/0215 , F04C18/356 , F04C29/0085 , F04C29/063 , F04C29/068 , F04C2230/20 , F04C2230/60 , F04C2240/30
Abstract: A compressor and a method for assembling a compressor are provided. The compressor may include a compressor casing coupled to each of a suction inlet, into which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a compressor body mounted inside the compressor casing to compress the refrigerant suctioned in through the suction inlet, and then discharge the refrigerant through the discharge outlet, a noise reducing member disposed between the compressor body and the compressor casing, and at least one fixing member mounted inside the compressor casing to fix the noise reducing member to an inner wall of the compressor casing.
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Patent Agency Ranking
公开(公告)号：US09856867B2
公开(公告)日：2018-01-02
申请号：US14686831
申请日：2015-04-15
Applicant: LG ELECTRONICS INC.
Inventor： Junghae Kim , Changkyu Kim , Youngcheol Han
CPC classification number: F04B39/121 , F04B35/045 , F04B39/123 , F04B39/126 , F25B31/023
Abstract: A linear compressor and a refrigerator including a linear compressor are provided. The linear compressor may include a shell coupled to a suction inlet, through which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a cylinder disposed within the shell to accommodate a piston reciprocated to compress the refrigerant introduced through the suction inlet, a frame that accommodates the cylinder, the frame being mounted inside the shell, and a discharge cover coupled to a front surface of the frame to discharge the refrigerant compressed by the piston to the discharge outlet. A front surface of the cylinder that faces the discharge cover may be spaced a predetermined distance from the discharged cover.
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公开(公告)号：US20220018344A1
公开(公告)日：2022-01-20
申请号：US17358302
申请日：2021-06-25
Applicant: LG Electronics Inc.
Inventor： Sangjin Song , Junghae Kim , Chulgi Roh
Abstract: A linear compressor includes: a piston configured to reciprocate in an axial direction, and a cylinder that is provided on a radially outer side of the piston to accommodate the piston and that defines a compression space with the piston. The cylinder includes: a gas hole defined at the cylinder such that a first end of the gas hole is at an outer circumferential surface of the cylinder and a second end of the gas hole is at an inner circumferential surface of the cylinder, and a gas pocket that is in communication with the gas hole and that is recessed from the inner circumferential surface of the cylinder, where a length of the gas pocket in the axial direction of the cylinder is longer than a length of the gas pocket in a circumferential direction of the cylinder.
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公开(公告)号：US10900477B2
公开(公告)日：2021-01-26
申请号：US16292826
申请日：2019-03-05
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsoo Kim , Geonwoo Kim , Junghae Kim , Chulgi Roh
Abstract: A linear compressor includes a shell, a frame in the shell, a cylinder defining a compression space, a piston in the cylinder, a motor assembly configured to drive the piston, a discharge cover unit defining a discharge space, a discharge valve configured to selectively open and close the compression space, and a valve spring assembly configured to provide elastic force that causes the discharge valve to contact the cylinder. The discharge cover unit includes a cover housing that defines an opening configured to communicate with the discharge space, a discharge cover that inserts into the cover housing through the opening, that contacts an inner surface of the cover housing, and that covers the opening, and a fixing ring configured to be positioned at an inner surface of the discharge cover. A thermal expansion coefficient of the fixing ring is greater than that of the discharge cover.
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公开(公告)号：US10533546B2
公开(公告)日：2020-01-14
申请号：US15585331
申请日：2017-05-03
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsoo Kim , Donghan Kang , Junghae Kim , Kwangwoon Ahn , Eonpyo Hong
Abstract: A linear compressor is provided. The linear compressor may include a cylinder including a cylinder body that defines a compression space for a refrigerant and a cylinder flange that extends from the cylinder body in a radial direction; a piston that reciprocates within the cylinder in an axial direction; and a frame coupled to the cylinder. The frame may include a frame body into which the cylinder body may be inserted and a first press-fitting portion press-fitted into the cylinder flange.
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公开(公告)号：US09890775B2
公开(公告)日：2018-02-13
申请号：US14666340
申请日：2015-03-24
Applicant: LG ELECTRONICS INC.
Inventor： Junghae Kim , Kyoungkyu Lee , Kiwon Noh
CPC classification number: F04B39/102 , F04B35/045 , F04B39/125 , F04B53/1035 , F04B2201/06062
Abstract: A linear compressor may include a shell, a cylinder provided in the shell to define a compression space for a refrigerant, a frame to fix the cylinder to the shell, a piston reciprocated within the cylinder, a discharge valve disposed on or at one side of the cylinder, a discharge cover coupled to the frame and having at least one chamber to reduce pulsation of the refrigerant discharged through the discharge valve, and a valve spring disposed on the discharge cover to provide a restoring force to the discharge valve. The discharge cover may include a cover body having a discharge hole, through which the refrigerant discharged through the discharge valve may be discharged outside of the discharge cover, and a guide passage defined in the cover body to guide at least a portion of the refrigerant discharged through the discharge valve into the at least one chamber.
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