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公开(公告)号：US20210199355A1
公开(公告)日：2021-07-01
申请号：US17136201
申请日：2020-12-29
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Jinwoo LEE , Hojong JEONG
Abstract: Proposed is a gas heat-pump system including: a compressor discharging compressed refrigerant; an indoor heat exchanger causing heat exchange to occur between indoor air and the refrigerant; an outdoor heat exchanger condensing the refrigerant; a four-way valve switching a flow direction; an engine; a radiator cooling heated coolant; an exhaust gas heat exchanger causing the heat exchange to occur between the coolant passing through the radiator and exhaust gas from the engine; and a first three-way valve switching a flow direction of the coolant and controlling an amount of the flowing coolant in such a manner that the coolant passing through the radiator flows toward at least one of the exhaust gas heat exchanger and the engine.
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公开(公告)号：US20210180805A1
公开(公告)日：2021-06-17
申请号：US17123549
申请日：2020-12-16
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Hojong JEONG
IPC: F24F3/00 , F24F1/0007 , F24F1/32 , F25B29/00 , F25B27/00 , F25B30/02 , F25B31/00 , F25B40/02 , F25B41/20
Abstract: Proposed a gas heat-pump system including: a compressor compressing refrigerant and discharging the compressed refrigerant; an engine providing a drive force to the compressor; a radiator that cools coolant which is heated while passing through the engine; an indoor heat exchanger causing heat exchange to occur between indoor air and the refrigerant and thus cooling or heating an indoor space; an outdoor heat exchanger condensing the refrigerant; a four-way valve switching a flow direction of the refrigerant in such a manner that the refrigerant discharged from the compressor flows to the outdoor heat exchanger in a cooling operation mode and flows to the indoor heat exchanger in a heating operation mode; and a hot-water storage tank causing the heat exchange to occur between stored water and the refrigerant, and thus cooling the refrigerant in the cooling operation mode and heating the refrigerant in the heating operation mode.
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公开(公告)号：US20220056829A1
公开(公告)日：2022-02-24
申请号：US17405175
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 charger which compresses the mixed air and supplies to the engine; a first exhaust flow path which is connected to the engine, and through which exhaust gas discharged from the engine flows; and a second charger which is driven by the exhaust gas branched from the first exhaust flow path to a second exhaust flow path, and compresses the exhaust gas discharged from the engine and supplies the compressed exhaust gas to the engine, thereby reducing the emission of nitrogen oxide by recirculating the exhaust gas without additional power consumption.
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公开(公告)号：US20210172392A1
公开(公告)日：2021-06-10
申请号：US17111697
申请日：2020-12-04
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Hojong JEONG
Abstract: Proposed is a gas heat-pump system capable of supplying recirculation exhaust gas using a motor-driven turbocharger and thus actively controlling an amount of flowing recirculation exhaust gas and pressure thereof.
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公开(公告)号：US20160201963A1
公开(公告)日：2016-07-14
申请号：US14992556
申请日：2016-01-11
Applicant: LG ELECTRONICS INC.
Inventor： Kwangho SHIN , Hojong JEONG , Minho CHUNG , Song CHOI
CPC classification number: F25B49/02 , F24F1/08 , F24F12/00 , F25B6/02 , F25B13/00 , F25B27/00 , F25B27/02 , F25B2313/0253 , F25B2327/001 , Y02A30/274
Abstract: An air conditioner is provided. The air conditioner may include at least one indoor device, an electric heat pump (EHP) outdoor device connected with the at least one indoor device, and having a first compressor driven using electric power and a first outdoor heat exchanger, and a gas heat pump (GHP) outdoor device connected with the at least one indoor device, and having an engine that drives a second compressor using a combustion gas and a second outdoor heat exchanger. The GHP outdoor device may include an exhaust gas heat exchanger that performs heat exchange between a refrigerant flowing through the EHP outdoor device and an exhaust gas of the engine.
Abstract translation: 提供空调。 空调器可以包括至少一个室内装置，与至少一个室内装置连接的电热泵（EHP）室外装置，并且具有使用电力驱动的第一压缩机和第一室外热交换器，以及气体热泵 （GHP）室外机，与所述至少一个室内机连接，具有使用燃烧气体驱动第二压缩机的发动机和第二室外热交换器。 GHP室外机可以包括在流过EHP室外机的制冷剂与发动机的排气之间进行热交换的排气热交换器。
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Patent Agency Ranking
公开(公告)号：US20160201952A1
公开(公告)日：2016-07-14
申请号：US14991247
申请日：2016-01-08
Applicant: LG ELECTRONICS INC.
Inventor： Hojong JEONG , Kwangho SHIN , Minho CHUNG , Song CHOI
IPC: F25B13/00
CPC classification number: F25B13/00 , F25B27/02 , F25B47/02 , F25B2400/05 , F25B2400/06 , Y02A30/274
Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include at least one indoor device; an electric heat pump (EHP) outdoor device connected to the at least one indoor device, configured to drive a first compressor using electric power, and having a first outdoor heat exchanger for heat exchange with a refrigerant; a gas heat pump (GHP) outdoor device connected in parallel with the EHP outdoor device, connected to the at least one indoor device, and having an engine configured to drive a second compressor using a burned gas, a second outdoor heat exchanger for heat exchange with the refrigerant, and a waste heat exchanger configured to exchange heat with the refrigerant using waste heat of the engine; and a controller configured to control a warming operation or a defrosting operation of the EHP outdoor device and the GHP outdoor device, and to supply a high pressure refrigerant from the second compressor of the GHP outdoor device to the EHP outdoor device while the EHP outdoor device performs the defrosting operation.
Abstract translation: 提供一种空调和一种空调控制方法。 空调器可以包括至少一个室内装置; 与所述至少一个室内机连接的电热泵（EHP）室外机，构成为利用电力驱动第一压缩机，具有与制冷剂进行热交换的第一室外热交换器; 与EHP室外机并联连接的气体热泵（GHP）室外机，与所述至少一个室内机连接，具有使用燃烧气体驱动第二压缩机的发动机，第二室外热交换器 以及废热交换器，其构造成使用发动机的余热与制冷剂进行热交换; 以及控制器，其被配置为控制所述EHP室外机和GHP室外机的加温运转或除霜运转，并且将所述GHP室外机的所述第二压缩机的高压制冷剂供给到所述EHP室外机， 执行除霜操作。
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公开(公告)号：US20220154979A1
公开(公告)日：2022-05-19
申请号：US17527647
申请日：2021-11-16
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Hojong JEONG
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：US20220056857A1
公开(公告)日：2022-02-24
申请号：US17407312
申请日：2021-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Hojong JEONG
Abstract: According to an embodiment of the present disclosure, the gas engine heat pump includes: an engine including an ignition plug for burning a mixture of air and fuel; a compressor connected to the engine, for compressing refrigerant by an operation of the engine; a mixer for mixing the air and the fuel and supplying the mixture to the engine; a zero governor having a valve, for regulating the amount of fuel supply to the mixer; a throttle valve disposed between the mixer and the engine, for regulating the flow of the mixture entering the engine; and a controller, wherein the controller checks a current number of revolutions of the engine upon receiving a command to stop running the engine, changes a target number of revolutions of the engine so that the current number of revolutions of the engine reaches a first reference number of revolutions, if the current number of revolutions of the engine exceeds the first reference number of revolutions, controls the opening degree of the valve included in the zero governor in response to the change in the target number of revolutions of the engine, and controls the ignition plug to stop igniting if the current number of revolutions of the engine reaches a second reference number of revolutions which is lower than the first reference number of revolutions.
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公开(公告)号：US20160201955A1
公开(公告)日：2016-07-14
申请号：US14993796
申请日：2016-01-12
Applicant: LG ELECTRONICS INC.
Inventor： Hojong JEONG , Kwangho SHIN , Minho CHUNG , Song CHOI
CPC classification number: F25B13/00 , F25B49/022 , F25B2313/004 , F25B2313/005 , F25B2313/0253 , F25B2400/075 , F25B2600/021 , F25B2600/2501 , Y02B30/741
Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include at least one indoor device, an electric heat pump (EHP) outdoor device connected to the at least one indoor device and having an EHP compressor driven using an applied current, and a gas heat pump (GHP) outdoor device connected to the at least one indoor device having an engine driven using a combustion of gas and a GHP compressor driven by receiving a driving force from the engine. The EHP compressor may include an inverter that controls a frequency of the current applied to the EHP compressor. The GHP compressor may include a first compressor that receives a driving force from the engine to compress a refrigerant; and a second compressor that is connected to the first compressor in parallel and receives the driving force from the engine to compress the refrigerant.
Abstract translation: 提供一种空调和一种空调控制方法。 空调机可以包括至少一个室内装置，连接到至少一个室内装置并且具有使用施加电流驱动的EHP压缩机的电热泵（EHP）室外装置和连接的气体热泵（GHP）室外装置 至少一个室内装置具有使用燃烧气体的发动机和通过从发动机接受驱动力而驱动的GHP压缩机。 EHP压缩机可以包括控制施加到EHP压缩机的电流的频率的逆变器。 GHP压缩机可以包括：第一压缩机，其接收来自发动机的压缩制冷剂的驱动力; 以及并联连接到第一压缩机并且接收来自发动机的驱动力以压缩制冷剂的第二压缩机。
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公开(公告)号：US20210190392A1
公开(公告)日：2021-06-24
申请号：US17130561
申请日：2020-12-22
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Hojong JEONG
Abstract: Proposed is a method of controlling a gas heat-pump system, the system including an air conditioning module having a compressor and indoor and outdoor heat exchangers, and an engine module having an engine combusting mixed gas and thus generating drive power for operating the compressor, the method including: measuring factors that are temperature and humidity of outside air, an rpm of the engine, intake pressure, and an air-fuel ratio, the factors having effects on driving of the engine in an operating environment where the engine is driven; measuring a necessary ignition voltage for an ignition coil in a manner that corresponds to at least one of a plurality of the measured factors; and calculating a dwell time at which the necessary ignition voltage is output by the ignition coil.
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