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公开(公告)号：US20160223235A1
公开(公告)日：2016-08-04
申请号：US14991135
申请日：2016-01-08
Applicant: LG ELECTRONICS INC.
Inventor： Hojong Jeong , Kwangho Shin , Minho Chung , Song Choi
Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include an EHP outdoor device configured to drive a first compressor using electric power, and having a first heat exchanger that evaporates or condenses a refrigerant; a GHP outdoor device having an engine configured to drive a second compressor using a burned gas and a second heat exchanger that evaporates or condenses the refrigerant; and a flow rate balancing device configured to connect the first heat exchanger with the second heat exchanger, and to control a flow rate of the refrigerant through the EHP outdoor device and the GHP outdoor device.
Abstract translation: 提供一种空调和一种空调控制方法。 空调机可以包括：EHP室外装置，其被配置为使用电力驱动第一压缩机，并且具有蒸发或冷凝制冷剂的第一热交换器; 具有发动机的GHP室外机，其使用燃烧气体驱动第二压缩机，第二热交换器使制冷剂蒸发或冷凝; 以及流量平衡装置，其被配置为将第一热交换器与第二热交换器连接，并且控制通过EHP室外装置和GHP室外装置的制冷剂的流量。
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公开(公告)号：US20150219372A1
公开(公告)日：2015-08-06
申请号：US14612825
申请日：2015-02-03
Applicant: LG ELECTRONICS INC.
Inventor： Hojong Jeong , Song Choi , Minhwan Choi
CPC classification number: F25B31/02 , F25B6/00 , F25B6/02 , F25B6/04 , F25B13/00 , F25B27/00 , F25B30/02 , F25B31/002 , F25B31/004 , F25B49/02 , F25B2313/004 , F25B2313/0253 , F25B2313/0254 , F25B2327/001 , F25B2400/0751 , F25B2600/2519
Abstract: Provided is a heat-pump system including a plurality of compressors, wherein the plurality of compressors includes a first compressor and a second compressor that compress refrigerant, an oil separator provided on a discharge side of the plurality of compressors to separate oil mixed with refrigerant compressed by the plurality of compressors, an oil separation pipe extended from the oil separator to allow the plurality of compressors to recover oil, and a compressor side oil balance pipe extended from the second compressor to allow the first compressor to recover oil stored in the second compressor.
Abstract translation: 提供了一种包括多个压缩机的热泵系统，其中所述多个压缩机包括第一压缩机和压缩制冷剂的第二压缩机，设置在所述多个压缩机的排出侧的分离器以分离与制冷剂压缩的混合的油 通过多个压缩机，从油分离器延伸以允许多个压缩机回收油的分油管和从第二压缩机延伸的压缩机侧油平衡管，以允许第一压缩机回收储存在第二压缩机中的油 。
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公开(公告)号：US11815294B2
公开(公告)日：2023-11-14
申请号：US17527647
申请日：2021-11-16
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong Jang , Hojong Jeong
CPC classification number: F25B1/02 , F02B29/0437 , F02B31/04 , F02B37/18 , F02M21/0212 , F02M21/0215 , F25B2327/001
Abstract: Provided is an engine system. The engine system includes a mixer mixing air and vaporized fuel to form a mixture, an engine driving a cylinder with the mixture discharged from the mixer, a first storage tank supplying the vaporized fuel to the mixer, a second storage tank storing liquid fuel or supplying the stored liquid fuel to the first storage tank, and a heat exchanger performing heat exchange between the liquid fuel discharged from the first storage tank and gas flowing to the engine, thus vaporizing the liquid fuel.
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公开(公告)号：US11796231B2
公开(公告)日：2023-10-24
申请号：US17110609
申请日：2020-12-03
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong Jang , Hojong Jeong
CPC classification number: F25B27/00 , F02B33/40 , F02B39/10 , F02B47/08 , F02D23/00 , F02D29/04 , F02M26/08
Abstract: Proposed is a gas heat-pump system including: a compressor of an air conditioning module; a gas engine generating a drive force of the compressor; and a turbocharger primarily first-level pressure to a fuel-to-air mixture and supplying the fuel-to-air mixture to the gas engine or applying second-level pressure to the fuel-to-air mixture to which the first-level pressure is applied and supplying the fuel-to-air mixture to the gas engine.
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公开(公告)号：US11519347B2
公开(公告)日：2022-12-06
申请号：US17407312
申请日：2021-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong Jang , Hojong Jeong
IPC: F02D31/00 , F02B37/12 , F02B39/10 , F02D29/04 , F25B27/02 , F02B63/06 , F02D41/04 , F25B27/00 , F02D19/02 , F02D41/00 , F02B43/00 , F25B13/00
Abstract: A gas engine heat pump is provided including an engine having an ignition plug, a compressor connected to the engine, a mixer that mixes air and fuel and supplies the mixture to the engine, a zero governor having a valve that regulates the fuel supplied to the mixer, a throttle valve disposed between the mixer and the engine to regulate a flow of the mixture to the engine, and a controller. Upon receiving a command to stop running the engine, the controller changes a target number of revolutions of the engine, controls an opening degree of the valve based on the target number of revolutions if a current number of revolutions of the engine exceeds a first reference number, and controls the ignition plug to stop igniting if the current number of revolutions of the engine reaches a second reference number which is lower than the first reference number.
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Patent Agency Ranking
公开(公告)号：US11486331B2
公开(公告)日：2022-11-01
申请号：US17405279
申请日：2021-08-18
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong Jang , Hojong Jeong
Abstract: The present disclosure relates to a gas engine heat pump including: an engine which burns a mixed air of air and fuel; a first exhaust flow path which is connected to the engine so that exhaust gas discharged from the engine passes through and is discharged to the outside; a turbo charger including: a first compressor which compresses the mixed air and supplies to the engine, and a first turbine which is installed in the first exhaust flow path and receives the exhaust gas passing through the first exhaust flow path to drive the first compressor; a supercharger which is installed in the first exhaust flow path between the engine and the first turbine, and receives and compresses the exhaust gas passing through the first exhaust flow path to supply to the first turbine; a second exhaust flow path which is branched from the first exhaust flow path between the engine and the supercharger, and converges to the first exhaust flow path between the supercharger and the first turbine; a first valve which is installed to be opened and closed in the second exhaust flow path; a third exhaust flow path which is branched from the first exhaust flow path between the supercharger and the first turbine, and converges to the first exhaust flow path in downstream of the first turbine; a second valve which is installed to be opened and closed in the third exhaust flow path; and a controller which controls operations of the first valve, the second valve, and the supercharger according to load of the engine.
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公开(公告)号：US11009258B2
公开(公告)日：2021-05-18
申请号：US16267543
申请日：2019-02-05
Applicant: LG ELECTRONICS INC.
Inventor： Hojong Jeong , Kakjoong Kim , Wooho Cha
IPC: F24F13/30 , F24F11/41 , F24F11/84 , F24F3/06 , F24F1/0063
Abstract: An air conditioner includes a plurality of heat exchangers provided to form an internal refrigerant flow path of an outdoor heat exchanger in multiple stages, a bypass pipe configured to branch refrigerant discharged from a compressor and to guide the refrigerant to the plurality of heat exchangers, flow pipes branched from the bypass pipe and extending to refrigerant pipes provided in the plurality of heat exchangers and overlap pipes branched from a flow pipe connected to any one of the plurality of heat exchangers and extending to a flow pipe connected to another heat exchanger.
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公开(公告)号：US10590931B2
公开(公告)日：2020-03-17
申请号：US16016303
申请日：2018-06-22
Applicant: LG Electronics Inc.
Inventor： Hansaem Park , Soojin Kang , Kangwook Lee , Hojong Jeong , Cheolhwan Kim
Abstract: A scroll compressor according to the present disclosure and an air conditioner having the scroll compressor may include a drive motor provided in an inner space of a casing; a rotation shaft coupled to the drive motor; a frame provided on a lower side of the drive motor; a first scroll provided on a lower side of the frame, one side of which is formed with a first wrap; a second scroll in which a second wrap engaged with the first wrap is formed, and the rotation shaft is eccentrically coupled to the second wrap to overlap therewith in a radial direction, a compression chamber is formed between the first scroll and the second scroll while being orbitally moved with respect to the first scroll, and the compression chamber is connected to an evaporator outlet side of the cooling cycle; and an injection unit one end of which is branched from a refrigerant pipe between the condenser and the evaporator, and the other end of which is connected to the compression chamber through the first scroll.
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公开(公告)号：US20190242617A1
公开(公告)日：2019-08-08
申请号：US16267543
申请日：2019-02-05
Applicant: LG ELECTRONICS INC.
Inventor： Hojong Jeong , Kakjoong Kim , Wooho Cha
Abstract: An air conditioner includes a plurality of heat exchangers provided to form an internal refrigerant flow path of an outdoor heat exchanger in multiple stages, a bypass pipe configured to branch refrigerant discharged from a compressor and to guide the refrigerant to the plurality of heat exchangers, flow pipes branched from the bypass pipe and extending to refrigerant pipes provided in the plurality of heat exchangers and overlap pipes branched from a flow pipe connected to any one of the plurality of heat exchangers and extending to a flow pipe connected to another heat exchanger.
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公开(公告)号：US10197307B2
公开(公告)日：2019-02-05
申请号：US14991216
申请日：2016-01-08
Applicant: LG ELECTRONICS INC.
Inventor： Hojong Jeong , Kwangho Shin , Minho Chung , Song Choi
Abstract: Provided is an air conditioner including at least one indoor unit; an EHP outdoor unit connected with the at least one indoor unit, and configured to control an applied current and drive an EHP compressor; a GHP outdoor unit connected with the at least one indoor unit and including a GHP compressor configured to operate using power from an engine driven through a combustion gas and an oil separator provided at an outlet side of the GHP compressor; an oil level sensor provided at the EHP outdoor unit or the GHP outdoor unit and configured to detect an amount of oil; and a control part configured to control an RPM of the EHP compressor or the GHP compressor based on information detected by the oil level sensor.
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