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公开(公告)号：US10222104B2
公开(公告)日：2019-03-05
申请号：US14531802
申请日：2014-11-03
Applicant: LG ELECTRONICS INC.
Inventor： Jungho Kang , Cheolmin Kim , Simbok Ha , Jinhee Jeong
Abstract: A distributor and an evaporator having the same are provided. The distributor may include a first refrigerant distributor provided with a plurality of through holes formed in a first direction, and a plurality of refrigerant dropping devices that guide refrigerant, dropped from the first refrigerant distributor through the plurality of through holes, to a heat transfer pipe, and having a sectional area of flow surfaces thereof that decreases in a flow direction of the refrigerant.
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2.发明申请公开(公告)号：US20150168035A1
公开(公告)日：2015-06-18
申请号：US14531802
申请日：2014-11-03
Applicant: LG ELECTRONICS INC.
Inventor： Jungho KANG , Cheolmin Kim , Simbok Ha , Jinhee Jeong
IPC: F25B39/02
CPC classification number: F25B39/028 , F25B2400/23 , F28D2021/0071
Abstract: A distributor and an evaporator having the same are provided. The distributor may include a first refrigerant distributor provided with a plurality of through holes formed in a first direction, and a plurality of refrigerant dropping devices that guide refrigerant, dropped from the first refrigerant distributor through the plurality of through holes, to a heat transfer pipe, and having a sectional area of flow surfaces thereof that decreases in a flow direction of the refrigerant.
Abstract translation: 提供具有该分配器和蒸发器的分配器和蒸发器。 分配器可以包括设置有沿第一方向形成的多个通孔的第一制冷剂分配器和将从第一制冷剂分配器落入多个通孔的制冷剂引导到传热管的多个制冷剂滴下装置 并且其流动面的截面积在制冷剂的流动方向上减小。
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公开(公告)号：US11732936B2
公开(公告)日：2023-08-22
申请号：US17528626
申请日：2021-11-17
Applicant: LG ELECTRONICS INC.
Inventor： Jungho Kang , Jinhee Jeong , Hyunwook Han , Uisik Hwang , Heewoong Lee , Chulmin Kim
Abstract: A condenser and a turbochiller including a condenser are provided. The turbochiller may include a compressor including an impeller that compresses refrigerant and a motor that drives the impeller; a condenser for heat exchange between the refrigerant introduced from the compressor and cooling water; an evaporator for heat exchange between the refrigerant discharged from the condenser and cold water; an expansion valve provided between the condenser and the evaporator; and a collector configured to collect noncondensable gas inside of the condenser. Accordingly, it is possible to efficiently collect noncondensable gas inside of a condenser of a turbochiller.
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公开(公告)号：US10962020B2
公开(公告)日：2021-03-30
申请号：US16329180
申请日：2016-10-21
Applicant: LG ELECTRONICS INC.
Inventor： Kiwook Lee , Seongmin Jang , Jinhee Jeong , Chanmyung Park , Solji Ryu
IPC: F04D29/058 , F04D29/056 , F25B31/02 , F04D29/05 , F25B31/00 , F04D17/10 , F04D29/051
Abstract: A compressor including a motor having a rotary shaft, a rotor and a stator, and an impeller at a front end of the rotary shaft to suction refrigerant in an axial direction and compress the refrigerant in a centrifugal direction. The compressor has a collar at a rear end of the rotary shaft and coupled to the rotary shaft to be extended outwardly in a radial direction of the rotary shaft. Radial bearings support a radial movement of the rotary shaft at a front and rear of the stator. A thrust bearing prevents an axial movement of the rotary shaft. A mechanical backup bearing also prevents the axial movement of the rotary shaft. A fixing unit supports the backup bearing at the rear end of the rotary shaft, wherein the backup bearing is arranged to overlap the thrust bearing in the radial direction of the rotary shaft.
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公开(公告)号：US11781561B2
公开(公告)日：2023-10-10
申请号：US17230086
申请日：2021-04-14
Applicant: LG ELECTRONICS INC.
Inventor： Heewoong Lee , Jinhee Jeong , Hyunwook Han , Uisik Hwang , Jungho Kang , Cheolmin Kim
CPC classification number: F04D29/444 , F04D29/4213 , F25B31/026 , F25B2400/07 , F25B2400/13
Abstract: The present disclosure relates to a compressor including: a motor having a rotating shaft; a first impeller housing forming a first inlet, through which a first refrigerant flows, and having a chamber into which a second refrigerant flows; a first impeller coupled to one end of the rotating shaft, and rotatably received in the first impeller housing; a diffuser spaced apart from an inside of the first impeller housing, and forming a first outlet; a second impeller housing having a second inlet formed therein; a second impeller coupled to the other end of the rotating shaft, and rotatably received in the second impeller housing; a volute case in which a volute is formed; and a motor housing having a connecting passage formed therein and connecting the first outlet and the second inlet.
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Patent Agency Ranking
公开(公告)号：US11536497B2
公开(公告)日：2022-12-27
申请号：US17172256
申请日：2021-02-10
Applicant: LG ELECTRONICS INC.
Inventor： Jungho Kang , Jinhee Jeong , Hyunwook Han , Uisik Hwang , Heewoong Lee , Cheolmin Kim
Abstract: An evaporator comprises: a housing with a refrigerant inlet and a refrigerant outlet; heat transfer tubes that are contained in the housing, in which chilled water for heat exchange with refrigerant inside the housing flows; at least one distribution tray that is placed apart from the heat transfer tubes and has a plurality of holes for distributing refrigerant over the underlying heat transfer tubes; a vapor-liquid separator that is placed apart from the bottom of the distribution tray and separates an introduced refrigerant into a vapor refrigerant and a liquid refrigerant; and a pair of support frames that are fixed to either side of the width direction of the housing, wherein the vapor-liquid separator comprises: a chamber that has an inlet port communicating with the refrigerant inlet, a vapor refrigerant exit communicating with the refrigerant outlet, and a plurality of holes formed in the bottom to distribute the liquid refrigerant to the distribution tray; and a plurality of side arms that are formed on either side of the chamber and arranged in the length direction of the chamber and supported by the support frames. Through the present disclosure, it is possible to keep the vapor-liquid separator horizontal and stable and achieve stable heat exchange performance.
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公开(公告)号：US10088435B2
公开(公告)日：2018-10-02
申请号：US15470108
申请日：2017-03-27
Applicant: LG ELECTRONICS INC.
Inventor： Kiwook Lee , Chanmyung Park , Namsoo Lee , Jinhee Jeong
IPC: G01N21/00 , G01N21/954 , F25B31/02 , F25B39/00 , F25B49/02 , G01M15/14 , F25B39/02 , F25B39/04 , F25B45/00
Abstract: Disclosed is a detection device for detecting a turbomachine including an opening, the detection device comprises: a flange configured to close the opening; and an endoscope assembly including an endoscope body, a detector extending from the endoscope assembly and inserted into an internal space of the turbomachine through the flange and an extension part connecting the endoscope body and the detector.
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公开(公告)号：US11898780B2
公开(公告)日：2024-02-13
申请号：US17172186
申请日：2021-02-10
Applicant: LG ELECTRONICS INC.
Inventor： Jungho Kang , Jinhee Jeong , Hyunwook Han , Uisik Hwang , Heewoong Lee , Cheolmin Kim
CPC classification number: F25B39/028 , F25B41/40
Abstract: An evaporator comprises: a housing with a refrigerant inlet and a refrigerant outlet; heat transfer tubes that are contained in the housing, in which chilled water for heat exchange with refrigerant inside the housing flows; at least one distribution tray that is placed apart from the heat transfer tubes and has a plurality of holes for distributing refrigerant over the underlying heat transfer tubes; and a tube support with a plurality of holes for passing the heat transfer tubes through, that is placed inside the housing and supports the distribution tray. Through the present disclosure, it is possible to achieve stable heat exchange performance by placing the distribution tray horizontal and stable.
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公开(公告)号：US20210324876A1
公开(公告)日：2021-10-21
申请号：US17230086
申请日：2021-04-14
Applicant: LG ELECTRONICS INC.
Inventor： Heewoong LEE , Jinhee Jeong , Hyunwook Han , Uisik Hwang , Jungho Kang , Cheolmin Kim
Abstract: The present disclosure relates to a compressor including: a motor having a rotating shaft; a first impeller housing forming a first inlet, through which a first refrigerant flows, and having a chamber into which a second refrigerant flows; a first impeller coupled to one end of the rotating shaft, and rotatably received in the first impeller housing; a diffuser spaced apart from an inside of the first impeller housing, and forming a first outlet; a second impeller housing having a second inlet formed therein; a second impeller coupled to the other end of the rotating shaft, and rotatably received in the second impeller housing; a volute case in which a volute is formed; and a motor housing having a connecting passage formed therein and connecting the first outlet and the second inlet.
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公开(公告)号：US10113778B2
公开(公告)日：2018-10-30
申请号：US15256858
申请日：2016-09-06
Applicant: LG ELECTRONICS INC.
Inventor： Cheolmin Kim , Jinhee Jeong , Jungho Kang , Hyunwook Han
Abstract: A chiller system includes a compressor that compress refrigerant, a condenser that exchanges heat between the refrigerant and a cooling water discharged from the compressor, and a flow adjusting device that is provided to a refrigerant outlet side of the condenser and adjusts refrigerant amount in the inside of the condenser, the flow adjusting device includes, a main body portion that is communicated with a tubing of the outlet side of the condenser, a refrigerant supply tube that extends to the main body portion from the condenser and supplies the refrigerant in the inside of the condenser to the inside of the main body portion, and a flow hole that is formed on the main body portion and is selectively opened and closed according to refrigerant pressure which is input through the refrigerant supply tube.
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