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公开(公告)号：US20180073507A1
公开(公告)日：2018-03-15
申请号：US15817657
申请日：2017-11-20
Applicant: LG ELECTRONICS INC.
Inventor： Yongkyu CHOI , Kangwook LEE , Cheolhwan KIM
IPC: F04C18/02
CPC classification number: F04C18/0292 , F04C18/0215 , F04C18/0261 , F04C23/008 , F04C29/12 , F04C2250/102
Abstract: A scroll compressor is provided that may include a first compression chamber, a second compression chamber separated from the first compression chamber, and having a greater compression ratio than the first compression chamber, a first discharge port that communicates with the first compression chamber and provided with a first discharge inlet and a first discharge outlet, and a second discharge port separated from the first discharge port, that communicates with the second compression chamber, and provided with a second discharge inlet and a second discharge outlet, the discharge outlet of at least one of the first discharge port or the second discharge port may have a larger sectional area than the discharge inlet. Accordingly, a discharge delay in each compression chamber may be prevented in advance, thereby suppressing compression loss.
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公开(公告)号：US20180073506A1
公开(公告)日：2018-03-15
申请号：US15817584
申请日：2017-11-20
Applicant: LG ELECTRONICS INC.
Inventor： Yongkyu CHOI , Kangwook LEE , Cheolhwan KIM
IPC: F04C18/02
CPC classification number: F04C18/0261 , F04C18/0215 , F04C18/0292 , F04C23/008 , F04C29/12 , F04C2250/102
Abstract: A scroll compressor is provided that may include a first compression chamber, a second compression chamber separated from the first compression chamber and having a greater compression ratio than the first compression chamber, a first discharge port that communicates with the first compression chamber and provided with a first discharge inlet and a first discharge outlet, and a second discharge port separated from the first discharge port, that communicates with the second compression chamber, and provided with a second discharge inlet and a second discharge outlet, the second discharge inlet having a larger sectional area than the first discharge inlet. The first discharge inlet and the first discharge outlet may have a same cross section, and the second discharge inlet and the second discharge outlet may have a same cross section. Accordingly, a discharge delay in each compression chamber may be prevented in advanced, and thus, compression loss may be suppressed.
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公开(公告)号：US20170306963A1
公开(公告)日：2017-10-26
申请号：US15491059
申请日：2017-04-19
Applicant: LG ELECTRONICS INC.
Inventor： Kangwook LEE , Yongkyu CHOI , Cheolhwan KIM
Abstract: A scroll compressor is provided that may include a casing configured to contain oil at a lower portion thereof; a drive motor provided at an inner space of the casing; a rotational shaft coupled to a rotor of the drive motor, and having an oil supply passage in order to guide the oil contained in the casing to an upper side; a frame provided below the drive motor; a fixed scroll provided below the frame, arid having a fixed wrap; and an orbiting scroll provided between the frame and the fixed scroll, having an orbiting wrap to form a compression chamber by being engaged with the fixed wrap, and having a rotational shaft coupling portion to couple the rotational shaft thereto in a penetrating manner. One or more oil dimples may be formed at a peripheral end surface positioned between an inner circumferential portion and an outer circumferential portion of the rotational shaft coupling portion. With such a configuration, as oil may be smoothly supplied to an end surface of the orbiting wrap near the rotational shaft coupling portion, abrasion may be prevented.
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公开(公告)号：US20170306955A1
公开(公告)日：2017-10-26
申请号：US15491051
申请日：2017-04-19
Applicant: LG ELECTRONICS INC.
Inventor： Yongkyu CHOI , Kangwook LEE , Cheolhwan KIM , Byeongchul LEE
CPC classification number: F04C18/0269 , F04C18/0215 , F04C28/28 , F04C29/0085 , F04C29/12 , F04C2240/30 , F04C2240/60
Abstract: A scroll compressor is provided that may include an orbiting scroll having an orbiting wrap, and which performs an orbiting motion; and a fixed scroll having a fixed wrap to form a compression chamber including a suction chamber, an intermediate pressure chamber, and a discharge chamber, by being engaged with the orbiting wrap. In a state in which the orbiting scroll and the fixed scroll are concentric with each other, when a distance between the orbiting wrap and the fixed wrap is defined as an orbiting radius, there exists an offset section having an interval larger than the orbiting radius, between a side surface of the orbiting wrap and a side surface of the fixed wrap which faces the orbiting wrap. With such a configuration, even if the fixed scroll or the orbiting scroll is transformed due to thermal expansion, interference between the fixed wrap and the orbiting wrap at a portion having a large transformation amount may be prevented. This may prevent a frictional loss or abrasion between the fixed wrap and the orbiting wrap. Further, this may restrict or minimize a gap between the fixed wrap and the orbiting wrap at an opposite side to the suction chamber, resulting in enhanced compression efficiency.
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公开(公告)号：US20220082098A1
公开(公告)日：2022-03-17
申请号：US17535869
申请日：2021-11-26
Applicant: LG ELECTRONICS INC.
Inventor： Kangwook LEE , Taekyoung KIM , Byeongchul LEE , Cheolhwan KIM
Abstract: A scroll compressor having a casing, a drive motor which is held in place within the casing and has an internal flow passage and an external flow passage to pass through, a rotation shaft which is combined with the drive motor for rotation, a frame that is provided under the drive motor and through which the rotation shaft passes for support, a first scroll which is provided under the frame and on which one flank surface a first wrap is formed, a second scroll which is provided between the frame and the first scroll, on which a second wrap that is engaged with the first wrap is formed, with which the rotation shaft is eccentrically combined and which forms a compression chamber, and a flow passage separation unit which separates a space between the drive motor and the frame into an internal space and an external space is provided.
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Patent Agency Ranking
公开(公告)号：US20210277897A1
公开(公告)日：2021-09-09
申请号：US17260098
申请日：2019-07-12
Applicant: LG Electronics Inc.
Inventor： Kangwook LEE , Jungsun CHOI , Cheolhwan KIM
IPC: F04C18/02
Abstract: Provided is a compressor apparatus comprising: a casing defining appearance of the apparatus; and a drive portion coupled to an inner circumferential surface of the casing and configured to rotate a rotatable shaft; a compression portion coupled to the rotatable shaft and configured to compress fluid, wherein the compression portion apparatus is characterized in that the drive portion and the compression portion are fixed to the fastening member which is detachably attached to at least one of the side face of the drive portion or the side face of the compression portion and thus, the combination of the drive portion and the compression portion is coupled to an inner circumferential surface of the casing. Further, provided is a manufacturing method of the compression portion apparatus.
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公开(公告)号：US20210246895A1
公开(公告)日：2021-08-12
申请号：US17153431
申请日：2021-01-20
Applicant: LG Electronics Inc.
Inventor： Taeksu JUNG , Jonghun HA , Kangwook LEE , Seungmock LEE
IPC: F04C2/02
Abstract: A compressor includes a deformable groove spaced apart from a key groove and deformable to reduce an impact force or stress generated at an Oldham's ring.
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公开(公告)号：US20200263692A1
公开(公告)日：2020-08-20
申请号：US16791511
申请日：2020-02-14
Applicant: LG Electronics Inc.
Inventor： Taekyoung KIM , Kangwook LEE , Cheolhwan KIM
IPC: F04C29/02
Abstract: A compressor includes a casing configured to accommodate refrigerant and oil, a discharger disposed at a side of the casing and configured to discharge the refrigerant, a driver including a stator and a rotor, a rotation shaft that is coupled to the rotor and that extends in a direction away from the discharger, a compressing assembly that is coupled to the rotation shaft, that is configured to be lubricated with the oil, and that is configured to compress the refrigerant and discharge the compressed refrigerant in the direction away from the discharger, a muffler coupled to the compressing assembly and configured to guide the refrigerant to the discharger, and a bypassing portion disposed outside the casing and configured to transfer the refrigerant or the oil from the muffler to the discharger.
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公开(公告)号：US20200149548A1
公开(公告)日：2020-05-14
申请号：US16680937
申请日：2019-11-12
Applicant: LG Electronics Inc.
Inventor： Taekyoung KIM , Kangwook LEE , Cheolhwan KIM
Abstract: A compressor includes a case, a driving motor including a stator mounted inside the case and a rotor disposed radially inward of the stator and rotatable, a centrifugation space defined inside the case by one side of the driving motor and the case, a discharge pipe passing through the case and having a distal end defining a refrigerant inlet hole extending into the centrifugation space, a rotation shaft coupled to the rotor to rotate, a compressing portion defined at the other side of the driving motor, wherein the refrigerant is compressed by rotation of the rotation shaft, and a terminal disposed on a side of the case that is a side of the centrifugation space, where the terminal is connected to a coil of the stator.
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公开(公告)号：US20190136857A1
公开(公告)日：2019-05-09
申请号：US16239620
申请日：2019-01-04
Applicant: LG ELECTRONICS INC.
Inventor： Yongkyu CHOI , Kangwook LEE , Cheolhwan KIM
Abstract: A scroll compressor is provided that may include a first compression chamber, a second compression chamber separated from the first compression chamber, and having a greater compression ratio than the first compression chamber, a first discharge port that communicates with the first compression chamber and provided with a first discharge inlet and a first discharge outlet, and a second discharge port separated from the first discharge port, that communicates with the second compression chamber, and provided with a second discharge inlet and a second discharge outlet, the discharge outlet of at least one of the first discharge port or the second discharge port may have a larger sectional area than the discharge inlet. Accordingly, a discharge delay in each compression chamber may be prevented in advance, thereby suppressing compression loss.
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