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公开(公告)号：US20210310697A1
公开(公告)日：2021-10-07
申请号：US17266578
申请日：2019-08-08
Applicant: LG ELECTRONICS INC.
Inventor： Hansaem PARK , Jusu KIM , Janghee PARK , Yongki JEONG , Doyong HA
Abstract: The present disclosure relates to a condensate trap for a gas furnace for collecting and discharging condensate generated in a heat exchanger and an exhaust pipe, the condensate trap including: a first inlet through which the condensate generated in the heat exchanger is introduced; a second inlet through which the condensate generated in the exhaust pipe is introduced; a first passage through which the condensate introduced from the first inlet passes; a second passage through which the condensate introduced from the second inlet passes; a discharge port through which the condensate, having passed through the first passage and the second passage, is discharged outside; and a backflow prevention device disposed on the first passage and configured to prevent backflow of air, wherein the backflow prevention device includes: a housing; and a core which is movably disposed in the housing, and which in response to an amount of the condensate introduced from the first inlet being less than or equal to a predetermined amount, prevents backflow of the air by closing the first passage.
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公开(公告)号：US20220120465A1
公开(公告)日：2022-04-21
申请号：US17518379
申请日：2021-11-03
Applicant: LG ELECTRONICS INC.
Inventor： Juyoun LEE , Soojin KANG , Jusu KIM
IPC: F24F11/79 , F24F1/0047 , F24F1/0014
Abstract: A method of controlling a ceiling type air conditioner including a panel located on a ceiling surface, outlets formed at positions corresponding to four sides of the panel, a first vane group for opening and closing the outlets located at two opposing sides, and a second vane group for opening and closing the outlets located at the other two opposing sides includes performing a dynamic airflow mode in which an indoor temperature reaches a set temperature by controlling rotation angles of the first vane group and the second vane group, and calculating a pleasant airflow index Y for determining a pleasant feeling of a user at the set temperature. The pleasant airflow index is calculated using the indoor temperature, the rotation angle of the first vane group or the second vane group, an air volume, a distance from a floor surface and an airflow position as variables.
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公开(公告)号：US20210033306A1
公开(公告)日：2021-02-04
申请号：US16940632
申请日：2020-07-28
Applicant: LG ELECTRONICS INC.
Inventor： Jusu KIM , Doyong Ha , Yongki Jeong , Janghee Park , Hansaem Park
Abstract: Provided is a condensate water trap for a gas furnace that collects and discharges condensate water produced in a heat exchanger and an exhaust pipe. The condensate water trap includes: a first inlet through which the condensate water produced in the heat exchanger is introduced; a second inlet through which the condensate water produced in the exhaust pipe is introduced; a first flow path through which the condensate water coming from the first inlet passes; a second flow path through which the condensate water coming from the second inlet passes; an outlet through which the condensate water introduced through the first and second inlets is discharged; a third flow path into which the residual condensate water passed through at least one of the first and second flow paths but not discharged through the outlet is introduced; and a sensing mechanism that senses if the amount of residual condensate water introduced into the third flow path is greater than or equal to a given amount.
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公开(公告)号：US20190353357A1
公开(公告)日：2019-11-21
申请号：US16411287
申请日：2019-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Juyoun LEE , Soojin KANG , Jusu KIM
IPC: F24F1/0047 , F24F1/0003 , F24F1/0014 , F24F1/0018 , F04D25/08 , F04D29/58 , F04D29/56
Abstract: A method of controlling a ceiling type air conditioner including a panel, a first vane group, and a second vane group, and each of the first and second vane groups including an upper discharge vane and a lower discharge vane includes performing first mixing operation in which the first vane group guides air in a direction close to the ceiling surface to form horizontal airflow and the second vane group guides air in a direction close to a floor surface to form vertical airflow, determining whether swing operation of continuously rotating the first vane group and the second vane group or fixing operation in which the first vane group and the second vane group are located at the same angle is performed, and performing second mixing operation in which the first vane group forms the vertical airflow and the second vane group forms the horizontal airflow.
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公开(公告)号：US20240183593A1
公开(公告)日：2024-06-06
申请号：US18136015
申请日：2023-04-18
Applicant: LG ELECTRONICS INC.
Inventor： Jusu KIM , Sungoh CHOI , Beomchan KIM , Hyeri PARK , Hyungsoon KIM
CPC classification number: F25B41/26 , F25B41/40 , F25B47/022 , F25B2313/027
Abstract: An air conditioner includes an outdoor unit comprising a compressor and an outdoor heat exchanger, and an indoor unit connected to the outdoor unit and provided with an indoor heat exchanger. The indoor unit includes a first refrigerant flow tube configured to connect an inlet side of the indoor heat exchanger to the outdoor unit, a second refrigerant flow tube configured to connect an outlet side of the indoor heat exchanger to the outdoor unit, a first bypass tube branched from a first branch point of the first refrigerant flow tube and joined to a first joining point of the second refrigerant flow tube, a second bypass tube branched from a second branch point of the first refrigerant flow tube and joined to a second joining point of the second refrigerant flow tube, and a flow switching valve disposed between the first joining point and the second joining point of the second refrigerant flow tube.
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Patent Agency Ranking
公开(公告)号：US20240175599A1
公开(公告)日：2024-05-30
申请号：US18504347
申请日：2023-11-08
Applicant: LG ELECTRONICS INC.
Inventor： Beomchan KIM , Sungoh CHOI , Hyeri PARK , Jusu KIM , Hyungsoon KIM
IPC: F24F11/84
CPC classification number: F24F11/84
Abstract: An air conditioner and a method for controlling an air conditioner are provided. The air conditioner may include an outdoor unit including a compressor and an outdoor heat exchanger; and an indoor unit connected to the outdoor unit through a gas pipe and a liquid pipe and having an indoor heat exchanger including a first coil and a second coil branched from the gas pipe and connected in series, in which the indoor unit may include a first manifold and a second manifold connected by refrigerant pipes to enable refrigerant flow to the indoor heat exchanger, an expansion valve connected in parallel to the liquid pipe and configured to block flow of refrigerant or expand the refrigerant to reduce a pressure thereof, a distributor in which expansion valves are connected in series and connected by a refrigerant pipe to enable refrigerant flow to the first coil, a refrigerant flow pipe that connects a gas pipe side of the first manifold and the second coil, a gas-liquid separator installed in the refrigerant flow pipe to phase-separate the refrigerant, a bypass pipe installed between the gas pipe and the gas-liquid separator to bypass the gas-phase refrigerant separated in the gas-liquid separator and circulate the gas-phase refrigerant to the outdoor unit through the gas pipe, and a control valve installed on the gas pipe to block flow of refrigerant.
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公开(公告)号：US20210140632A1
公开(公告)日：2021-05-13
申请号：US17091164
申请日：2020-11-06
Applicant: LG ELECTRONICS INC.
Inventor： Janghee PARK , Doyong HA , Yongki JEONG , Jusu KIM , Hansaem PARK
Abstract: A gas furnace according to an embodiment of the present disclosure includes: a mixer for mixing air and a fuel gas, which are introduced through an intake pipe and a manifold, respectively, to form a mixture; a mixing pipe through which the mixture, having passed through the mixer, flows; a burner assembly for producing a combustion gas by burning the mixture having passed through the mixing pipe; a heat exchanger through which the combustion gas flows; an exhaust pipe through which an exhaust gas, as the combustion gas having passed through the heat exchanger, is discharged outside of the gas furnace; and an inducer for inducing a flow of a fluid through the intake pipe, the mixer, the mixing pipe, the burner assembly, the heat exchanger, and the exhaust pipe. In this case, the mixer has a front end connected to the intake pipe, a rear end connected to the mixing pipe, and a side surface connected to the manifold.
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公开(公告)号：US20200378622A1
公开(公告)日：2020-12-03
申请号：US16885687
申请日：2020-05-28
Applicant: LG Electronics Inc.
Inventor： Janghee PARK , Jusu KIM , Hansaem PARK , Yongki JEONG , Doyong HA
Abstract: Disclosed is a gas furnace including a mixer configured to mix air and fuel gas introduced from an intake pipe and a manifold respectively so as to produce an air-fuel mixture, a mixing pipe configured to allow the air-fuel mixture having passed through the mixer to flow therein, a burner assembly configured to combust the air-fuel mixture having passed through the mixing pipe so as to generate combustion gas, heat exchangers configured to allow the combustion gas to flow therein, an exhaust pipe configured to discharge exhaust gas, which is the combustion gas having passed through the heat exchangers, to the outside. The gas furnace further includes a recirculator installed around the exhaust pipe and configured to guide a portion of the exhaust gas flowing in the exhaust pipe to the mixer, and may thus greatly reduce or fundamentally block NOx emissions.
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公开(公告)号：US20160266562A1
公开(公告)日：2016-09-15
申请号：US15051160
申请日：2016-02-23
Applicant: LG ELECTRONICS, INC.
Inventor： Jusu KIM , Sangwon KIM , Daehyun CHOI , Kyoungteak LEE
IPC: G05B19/048
CPC classification number: G05B19/048 , F24F5/0096 , F24F11/46 , F24F2140/50 , G05B2219/2639 , H02J2003/143 , H02J2003/146 , H04L12/12 , H04L12/2803 , Y02B70/3266 , Y02B70/3275 , Y02D50/40 , Y04S20/224 , Y04S20/242 , Y04S20/244
Abstract: A network system and a method for controlling the same include where a power consumption amount of an electrical appliance is monitored based on an operation of the electrical appliance. If a demand response (DR) signal for requesting power saving is received, it is determined whether a user is to participate in a DR event for a power-saving operation of the electrical appliance. If it is determined that the user is to participate in the DR event, the power-saving operation of the electrical appliance is performed based on previously mapped information on a discomfort caused by the power-saving operation of the electrical appliance.
Abstract translation: 网络系统及其控制方法包括基于电器的操作来监视电器的功耗量。 如果接收到用于请求省电的请求响应（DR）信号，则确定用户是否参与用于电器的省电操作的DR事件。 如果确定用户参与DR事件，则基于关于由电器的省电操作引起的不适的先前映射的信息来执行电器的省电操作。
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公开(公告)号：US20210215340A1
公开(公告)日：2021-07-15
申请号：US16940581
申请日：2020-07-28
Applicant: LG ELECTRONICS INC.
Inventor： Jusu KIM , Doyong HA , Yongki JEONG , Janghee PARK , Hansaem PARK
IPC: F23N3/08
Abstract: Provided is an RPM control method for an inducer for a gas furnace that induces a flow of combustion gas produced in a burner from a heat exchanger to an exhaust pipe. The RPM control method for an inducer for a gas furnace includes: (a) initiating a heating operation for the gas furnace; (b) determining whether the operation time during which the heating operation is performed is equal to or longer than a first time period; (c) if it is determined that the operation time is equal to or longer than the first time period, detecting whether a pressure switch is turned OFF; and (d) if the pressure switch is detected as turned OFF, increasing the RPM of the inducer by a first value.
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