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公开(公告)号：US10436460B2
公开(公告)日：2019-10-08
申请号：US15028088
申请日：2014-11-04
Applicant: LG ELECTRONICS INC.
Inventor： Wooho Cha , Baikyoung Chung , Song Choi
IPC: F25B6/04 , F24F1/44 , F24F1/0003 , F24F1/06 , F24F1/08 , F24F13/30 , F25B13/00 , F25B31/00 , F25B49/02 , F24F11/30 , F25B25/00 , F24F110/00 , F24F140/12 , F24F140/20 , F24F140/50 , F24F11/83
Abstract: Provided are an air conditioner and a method of controlling the same. The air conditioner includes an indoor unit including an indoor heat exchanger, a first outdoor unit connected to the indoor unit, the first outdoor unit including a first compressor compressing a refrigerant and a first outdoor heat exchanger, a second outdoor unit including an engine generating a power by using combustion gas, a generator supplying electricity into the first compressor by using the power generated in the engine, a second compressor compressing the refrigerant by using the power of the engine, and a second outdoor heat exchanger, and a controller determining an additional operation of the second compressor on the basis of required cooling or heating load while the first compressor operates.
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公开(公告)号：US20210095621A1
公开(公告)日：2021-04-01
申请号：US17028091
申请日：2020-09-22
Applicant: LG ELECTRONICS INC.
Inventor： Jingeun SONG , Song Choi
Abstract: The present disclosure relates to a gas engine power generation system, having an engine configured to generate mechanical energy by burning an air-fuel mixture supplied from a mixer, which mixes air filtered by passing through an air cleaner, and fuel of a predetermined pressure which has passed through a zero governor, in which the gas engine power generation system converts the mechanical energy of the engine into electrical energy. The gas engine power generation system according to an embodiment of the present disclosure includes: an intake path having a first intake passage and a second intake passage in which air to be supplied to the mixer flows; an intake passage controller configured to open either one of the first intake passage or the second intake passage and to close the other one; a coolant pump configured to supply coolant to the engine; a radiator configured to dissipate heat of the coolant having passed through the engine; an intake air heater provided in the intake path at a portion where the second intake passage is formed, and configured to dissipate heat of the coolant having passed through the engine; a coolant passage controller configured to distribute the coolant, having passed through the engine, to the coolant pump, the radiator, and the intake air heater; and a controller configured to control operations of the intake passage controller, the coolant passage controller, and the coolant pump based on temperature of the coolant, having passed through the engine, and load information of the engine.
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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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公开(公告)号：US09714769B2
公开(公告)日：2017-07-25
申请号：US14435769
申请日：2013-10-21
Applicant: LG ELECTRONICS INC.
Inventor： Song Choi , Baikyoung Chung , Hojong Jeong , Wooho Cha
CPC classification number: F24F5/001 , F25B13/00 , F25B27/02 , F25B2313/02742 , F25B2400/05 , F25B2400/075 , Y02A30/274 , Y02P80/152
Abstract: An air conditioner is disclosed. The air conditioner includes an indoor unit, a first outdoor unit including a first outdoor heat exchanger and a first compressor to be driven by electricity, a second outdoor unit including a second outdoor heat exchanger and a second compressor to be driven by an engine, a cooling water line, through which cooling water to cool the engine flows, and at least one waste heat-recovering heat exchanger for exchanging heat between refrigerant to be introduced into at least one of the first outdoor heat exchanger and the second outdoor heat exchanger and the cooling water flowing through the cooling water line. By provision of the waste heat-recovering heat exchanger, which heat-exchanges hot cooling water with refrigerant flowing through the first and second outdoor heat exchangers, frost formed on the first and second outdoor units during low-temperature heating is removed. It is possible to cope with a wide range of heating loads while achieving high efficiency, using both the electric heat pump (EHP) system and the gas engine-driven heat pump (GHP) system.
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公开(公告)号：US11604011B2
公开(公告)日：2023-03-14
申请号：US16771833
申请日：2018-12-12
Applicant: LG ELECTRONICS INC.
Inventor： Jinwoo Lee , Minho Chung , Song Choi
Abstract: The present invention relates to a gas heat pump system. The gas heat pump system, according to one embodiment of the present invention, comprises: an air conditioning module comprising a compressor, an outdoor heat exchanger, an expansion apparatus, an indoor heat exchanger and a refrigerant line; and an engine module comprising an engine for combusting a mixture of fuel and air, thereby providing power for driving the compressor. The engine module comprises: a mixer for mixing and discharging the air and fuel; a supercharging means for receiving the mixture discharged from the mixer, compressing same, and then discharging same; an intercooler for receiving the mixture compressed in the supercharging means, cooling same by a heat exchange method, increasing the density thereof, and then discharging same; an adjustment means for receiving the mixture discharged from the intercooler, adjusting the quantity thereof, and then supplying same to the engine; and an exhaust gas heat exchanger for exchanging heat between a coolant and exhaust gas discharged from the engine, wherein the exhaust gas heat exchanger is directly connected to an exhaust manifold of the engine.
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Patent Agency Ranking
公开(公告)号：US11428194B2
公开(公告)日：2022-08-30
申请号：US17028091
申请日：2020-09-22
Applicant: LG ELECTRONICS INC.
Inventor： Jingeun Song , Song Choi
Abstract: The present disclosure relates to a gas engine power generation system, having an engine configured to generate mechanical energy by burning an air-fuel mixture supplied from a mixer, which mixes air filtered by passing through an air cleaner, and fuel of a predetermined pressure which has passed through a zero governor, in which the gas engine power generation system converts the mechanical energy of the engine into electrical energy. The gas engine power generation system according to an embodiment of the present disclosure includes: an intake path having a first intake passage and a second intake passage in which air to be supplied to the mixer flows; an intake passage controller configured to open either one of the first intake passage or the second intake passage and to close the other one; a coolant pump configured to supply coolant to the engine; a radiator configured to dissipate heat of the coolant having passed through the engine; an intake air heater provided in the intake path at a portion where the second intake passage is formed, and configured to dissipate heat of the coolant having passed through the engine; a coolant passage controller configured to distribute the coolant, having passed through the engine, to the coolant pump, the radiator, and the intake air heater; and a controller configured to control operations of the intake passage controller, the coolant passage controller, and the coolant pump based on temperature of the coolant, having passed through the engine, and load information of the engine.
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公开(公告)号：US11365911B2
公开(公告)日：2022-06-21
申请号：US16760914
申请日：2018-11-13
Applicant: LG ELECTRONICS INC.
Inventor： Minho Chung , Kwangho Shin , Kijung Ryu , Song Choi
Abstract: A gas heat pump system is disclosed. The gas heat pump system includes an air conditioning module including a compressor, an outdoor heat exchanger, an expansion device, an indoor heat exchanger and a refrigerant pipe, an engine module including an engine configured to burn a mixture of fuel and air and provide power for operation of the compressor, a cooling module including a cooling water pump configured to generate flow of cooling water for cooling the engine and a cooling water pipe connected to the cooling water pump to guide flow of cooling water. The engine module includes a mixer configured to discharge the mixture of air and fuel to the engine, a supercharger disposed between the mixer and the engine to compress the mixture discharged from the mixer and discharge the mixture to the engine, and an adjuster disposed between the supercharger and the engine to adjust an amount of compressed mixture supplied to the engine.
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公开(公告)号：US10012419B2
公开(公告)日：2018-07-03
申请号：US14612825
申请日：2015-02-03
Applicant: LG Electronics Inc.
Inventor： Hojong Jeong , Song Choi , Minhwan Choi
IPC: F25B43/02 , F25B31/02 , F25B30/02 , F25B31/00 , F25B6/04 , F25B6/00 , F25B6/02 , F25B13/00 , F25B49/02 , F25B27/00
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.
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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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