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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：US20200182500A1
公开(公告)日：2020-06-11
申请号：US16637417
申请日：2018-08-06
Applicant: LG ELECTRONICS INC.
Inventor： Doyong HA , Janghee PARK , Hansaem PARK , Yongki JEONG
IPC: F24F11/30 , F24F3/14 , F24F11/00 , F24F3/00 , F24F3/06 , F24F13/10 , F24F13/30 , F24F13/22 , G05B15/02
Abstract: Disclosed is an air conditioner comprising: a heat exchange module comprising i) a compressor in which refrigerant circulates, a first heat exchanger, an expansion valve, and a second heat exchanger, and ii) an absorbent disposed in an outer surface of the first and second heat exchangers; at least one humidity sensor; and a controller which controls to stop a normal operation and perform a drying operation for supplying air to any one of the first and second heat exchangers served as an evaporator, when it is determined that a certain drying operation condition is satisfied based on humidity information of air passed through the any one served as the evaporator, during the normal operation in which the any one of the first and second heat exchangers serves as an evaporator and the other serves as a condenser.
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公开(公告)号：US20160231007A1
公开(公告)日：2016-08-11
申请号：US15016776
申请日：2016-02-05
Applicant: LG ELECTRONICS INC.
Inventor： Doyong HA , Jaehyuk CHOI , Seyoon OH , Yoonho YOO
CPC classification number: F24F1/027 , F24F1/022 , F24F11/0001 , F24F11/30 , F24F12/003 , F24F2011/0002 , Y02B30/52 , Y02B30/563
Abstract: An air conditioner is disclosed. The air conditioner includes a suction chamber provided with an indoor suction port, through which indoor air is suctioned, an outdoor suction port, through which outdoor air is suctioned, the suction chamber being configured to selectively adjust a ratio of outdoor air to be suctioned to indoor air to be suctioned, an outdoor discharge chamber disposed at one side of the suction chamber, the outdoor discharge chamber being provided with an outdoor discharge port, through which air in the suction chamber is discharged outdoors, and an indoor discharge chamber disposed at the other side of the suction chamber, the indoor discharge chamber being provided with an indoor discharge port, through which air in the suction chamber is discharged indoors. When discharging indoor air, it is possible to adjust a proportion of outdoor air introduced indoors.
Abstract translation: 公开了一种空调机。 所述空调机具备吸入室，该吸入室设有室内吸入的室内吸入口，吸入室外空气的室外吸入口，所述吸入室构成为选择性地调节被吸入的室外空气的比例 被抽吸的室内空气，设置在吸入室一侧的室外排气室，室外排气室设有室外排出口，吸入室内的空气通过室外排出口排出室外排出室， 吸入室的另一侧，室内排出室设置有室内排出口，吸入室内的空气通过室内排出口排出到室内。 当排出室内空气时，可以调节室内引入的室外空气的比例。
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Patent Agency Ranking
公开(公告)号：US20250027678A1
公开(公告)日：2025-01-23
申请号：US18775859
申请日：2024-07-17
Applicant: LG ELECTRONICS INC.
Inventor： Doyong HA , Jeongseob SHIN , Seungtaek OH , Hyunjong KIM , Kyongmin KWON
IPC: F24H4/02 , F25B41/325
Abstract: A heat supply apparatus comprises: a compressor compressing refrigerant; a first heat exchanger being connected to the compressor through a refrigerant pipe and exchanging heat between refrigerant and water; a second heat exchanger being connected to the compressor through a refrigerant pipe and exchanging heat between refrigerant and air; a first expansion device disposed in a refrigerant pipe connecting the first heat exchanger and the second heat exchanger; a second expansion device connected to the first expansion device in parallel and opened and closed according to an electrical signal; and a controller controlling the degree of opening of the second expansion device, wherein, if heating operation is started, and temperature of water flowing into the first heat exchanger is higher than temperature of refrigerant flowing into the first heat exchanger, the controller opens the second expansion device.
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公开(公告)号：US20250027677A1
公开(公告)日：2025-01-23
申请号：US18775751
申请日：2024-07-17
Applicant: LG ELECTRONICS INC.
Inventor： Jeongseob SHIN , Doyong HA , Seungtaek OH , Hyunjong KIM , Kyongmin KWON
Abstract: A heat supply apparatus comprises: a compressor compressing refrigerant; a first heat exchanger being connected to the compressor through a refrigerant pipe and exchanging heat between refrigerant and water; and a second heat exchanger being connected to the compressor through a refrigerant pipe and having a plurality of pipes exchanging heat between refrigerant and air, wherein the plurality of pipes include: a first pipe disposed in the lowermost part; and the second pipes disposed above the first pipe, wherein the first pipe directs refrigerant flow in the opposite direction to the refrigerant flow in the remaining pipes.
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公开(公告)号：US20210199292A1
公开(公告)日：2021-07-01
申请号：US17273795
申请日：2019-09-10
Applicant: LG ELECTRONICS INC.
Inventor： Doyong HA , Yongki JEONG , Janghee PARK , Jusu KIM , Hansaem PARK
IPC: F23N5/24
Abstract: The present disclosure relates to a control method of a gas furnace comprising a step for measuring an indoor temperature, a step for comparing the indoor temperature with a set temperature for heating, and a step for operating the gas furnace in weak heating with a predetermined heating capacity which is lower than a maximum heating capacity of the gas furnace, when the set temperature for heating is higher than the indoor temperature by a temperature value which is less than a predetermined temperature value, wherein the predetermined heating capacity for weak heating is maintained at a current heating capacity for weak heating, when the gas furnace operates in weak heating, and when an operating duration with the current heating capacity for weak heating is less than a first time value.
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公开(公告)号：US20200208879A1
公开(公告)日：2020-07-02
申请号：US16726364
申请日：2019-12-24
Applicant: LG ELECTRONICS INC.
Inventor： Doyong HA , Yongki JEONG , Janghee PARK , Jusu KIM , Hansaem PARK
Abstract: The present invention relates to a method of controlling a gas furnace that performs heating operation according to a heating signal formed of one of a weak heating signal and a strong heating signal. The method includes: (a) receiving the heating signal; (b) determining whether the heating signal is the weak heating signal or the strong heating signal; (c) calculating a certain weak heating capacity smaller than a maximum heating capacity of the gas furnace, when the heating signal is the weak heating signal; and (d) operating a weak heating of the gas furnace with the calculated certain weak heating capacity, wherein the step (c) includes calculating the weak heating capacity according to a difference between a temperature of air (hereinafter, an intake air temperature) sucked into the gas furnace and a reference temperature set based on the intake air temperature.
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公开(公告)号：US20200072555A1
公开(公告)日：2020-03-05
申请号：US16557163
申请日：2019-08-30
Applicant: LG ELECTRONICS INC.
Inventor： Jusu KIM , Janghee PARK , Hansaem PARK , Yongki JEONG , Doyong HA
Abstract: The present invention relates to a method of controlling an RPM of a blower for a gas furnace that passes air to be supplied to a room around a heat exchanger of a gas furnace. The method includes: starting operation of the gas furnace; measuring an air temperature in an outlet side of the gas furnace; measuring the RPM of the blower; determining whether the air temperature falls within a reference temperature range; and adjusting the RPM of the blower such that the air temperature falls within the reference temperature range.
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