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公开(公告)号：US20220357079A1
公开(公告)日：2022-11-10
申请号：US17634185
申请日：2020-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Minho SONG , Changho SEO , Kyeongyun KIM , Yongjoo PARK
Abstract: A refrigerating apparatus may include a main body having an interior space in which an article is accommodated, a door configured to open and close an opening of the main body, a compressor configured to compress a non-azeotropic mixed refrigerant, a condenser configured to condense the compressed non-azeotropic mixed refrigerant, a hotline provided at a contact portion between the main body and the door through which the condensed non-azeotropic mixed refrigerant flows, an expander configured to expand the non-azeotropic mixed refrigerant, heat of which is radiated by the hotline, and an evaporator configured to evaporate the expanded non-azeotropic mixed refrigerant to supply cold air to the interior space. According to such structure, even when the non-azeotropic mixed refrigerant is used, a function of the hotline to prevent dew formation may be normally performed with hot refrigerant.
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公开(公告)号：US20220373232A1
公开(公告)日：2022-11-24
申请号：US17634917
申请日：2020-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Yongjoo PARK , Changho SEO , Kyeongyun KIM , Minho SONG
Abstract: A refrigerating system may include a compressor configured to compress a non-azeotropic mixed refrigerant, a condenser configured to condense the compressed non-azeotropic mixed refrigerant, a three-way valve configured to branch the non-azeotropic mixed refrigerant condensed by the condenser, a first evaporator configured to supply cold air to a first interior space, a second evaporator configured to supply cold air to a second interior space at a temperature higher than at a temperature of the first interior space, and a capillary tube configured to expand the non-azeotropic mixed refrigerant branched by the three-way valve and supply the expanded non-azeotropic mixed refrigerant to at least one of the first evaporator or the second evaporator. With such features, a high-efficiency refrigerating system to which the non-azeotropic mixed refrigerant is applied may be implemented.
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公开(公告)号：US20160377329A1
公开(公告)日：2016-12-29
申请号：US15257532
申请日：2016-09-06
Applicant: LG ELECTRONICS INC.
Inventor： Jaehoon SHIN , Yanggyu KIM , Heayoun SUL , Yongjoo PARK
CPC classification number: F25B21/02 , F25B2321/0252 , F25D11/025 , F25D17/065 , F25D25/025 , F25D2317/061 , F25D2317/067 , F25D2400/28
Abstract: A refrigerator includes a main body in which a first storage compartment is defined, and a heat exchange chamber defined in the main body. An evaporator received in the heat exchange chamber. A second storage compartment is provided in the first storage compartment and a quick cooling module to cool an inside of the second storage compartment is provided, where the quick cooling module heat-exchanges with a refrigerant pipe of the evaporator. The quick cooling module includes a thermal conductive unit in thermal conduction with the refrigerant pipe, and a thermoelectric device having a first surface in thermal conduction with the thermal conductive unit to heat-exchange with the thermal conductive unit when current is supplied and a second surface facing the second storage compartment.
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公开(公告)号：US20190024948A1
公开(公告)日：2019-01-24
申请号：US16069952
申请日：2017-01-13
Applicant: LG ELECTRONICS INC.
Inventor： Yongjoo PARK , Kangsoo BYUN , Hyunsoo SONG , Sanggyun LEE
CPC classification number: F25B1/00 , C09K5/042 , C09K2205/12 , C09K2205/34 , F25B5/04 , F25B7/00 , F25B9/06 , F25B40/00 , F25B43/003 , F25B49/022 , F25B2400/0409 , F25B2400/0411 , F25B2400/052 , F25B2400/054
Abstract: An embodiment of the present invention relates to a deep freezer. A deep freezer according to an embodiment of the present invention comprises a plurality of heat exchangers installed to an inlet pipe and performing a heat exchange of a mixed refrigerant suctioned into a compressor. The mixed refrigerant comprises: a high temperature refrigerant which is one selected from among butane (N-butane), 1-butene, and isobutane; and a low temperature refrigerant consisting of ethylene.
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公开(公告)号：US20140284025A1
公开(公告)日：2014-09-25
申请号：US14055424
申请日：2013-10-16
Applicant: LG ELECTRONICS INC.
Inventor： Jaehoon SHIN , Heayoun SUL , Changho SEO , Yongjoo PARK
IPC: F25B29/00
CPC classification number: F25B29/003 , F25B41/067 , F25B2341/0661 , F25B2400/01 , F25B2400/073 , F25B2600/2511 , F25B2600/2513 , F25D11/022
Abstract: A refrigerator with a main body including a refrigerating compartment at a temperature higher than a freezing temperature and a freezing compartment at a temperature lower than the freezing temperature, a deep-freezing storage chamber within the main body at a temperature lower than that of the freezing compartment. The refrigerator further includes a compressor, a condenser connected to an outlet-side of the compressor, a first expansion valve connected to an outlet-side of the condenser, a first evaporator connected to an outlet-side of the first expansion valve, and a heater disposed outside the first expansion valve.
Abstract translation: 一种具有主体的冰箱，其具有比冷冻温度高的冷藏室和低于冷冻温度的冷冻室;在低于冷冻温度的温度下，主体内的深冷藏室 隔间 冰箱还包括压缩机，连接到压缩机的出口侧的冷凝器，连接到冷凝器的出口侧的第一膨胀阀，连接到第一膨胀阀的出口侧的第一蒸发器和 加热器设置在第一膨胀阀外部。
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Patent Agency Ranking
公开(公告)号：US20250060136A1
公开(公告)日：2025-02-20
申请号：US18939196
申请日：2024-11-06
Applicant: LG ELECTRONICS INC.
Inventor： Minho SONG , Changho SEO , Kyeongyun KIM , Yongjoo PARK
Abstract: A refrigerating apparatus may include a main body having an interior space in which an article is accommodated, a door configured to open and close an opening of the main body, a compressor configured to compress a non-azeotropic mixed refrigerant, a condenser configured to condense the compressed non-azeotropic mixed refrigerant, a hotline provided at a contact portion between the main body and the door through which the condensed non-azeotropic mixed refrigerant flows, an expander configured to expand the non-azeotropic mixed refrigerant, heat of which is radiated by the hotline, and an evaporator configured to evaporate the expanded non-azeotropic mixed refrigerant to supply cold air to the interior space. According to such structure, even when the non-azeotropic mixed refrigerant is used, a function of the hotline to prevent dew formation may be normally performed with hot refrigerant.
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公开(公告)号：US20220290904A1
公开(公告)日：2022-09-15
申请号：US17633907
申请日：2020-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Kyeongyun KIM , Changho SEO , Yongjoo PARK , Minho SONG
Abstract: A refrigerating apparatus using a non-azeotropic mixed refrigerant may include a compressor operable in a continuous operation mode and configured to compress the non-azeotropic mixed refrigerant, a condenser configured to condense the refrigerant compressed by the compressor, an expander configured to expand the refrigerant condensed by the condenser, and an evaporator configured to evaporate the refrigerant expanded by the expander. A pressure difference (ΔP) of the non-azeotropic mixed refrigerant has a value included in a range of 340 kPa
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8.发明申请公开(公告)号：US20220325158A1
公开(公告)日：2022-10-13
申请号：US17633777
申请日：2020-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Changho SEO , Kyeongyun KIM , Yongjoo PARK , Minho SONG
Abstract: A non-azeotropic mixed refrigerant and a refrigerating apparatus using a non-azeotropic mixed refrigerant are provided. The non-azeotropic mixed refrigerant may include isobutane and propane. The non-azeotropic mixed refrigerant may be provided in a weight ratio of 50%≤isobutane≤90%. Therefore, high efficiency may be obtained in a refrigerating system using the non-azeotropic mixed refrigerant.
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公开(公告)号：US20220290900A1
公开(公告)日：2022-09-15
申请号：US17634492
申请日：2020-08-20
Applicant: LG ELECTRONICS INC.
Inventor： Yongjoo PARK , Changho SEO , Kyeongyun KIM , Minho SONG
Abstract: A method for controlling a refrigerating system using a non-azeotropic mixed refrigerant is provided. The refrigerating system may include a first evaporator configured to supply cold air to a freezer compartment located upstream and a second evaporator configured to supply cold air to a refrigerating compartment located downstream, based on a flow direction of the non-azeotropic mixed refrigerant. The method may include a first operation comprising operating a compressor, a freezer compartment fan to blow air to the first evaporator, and a refrigerating compartment fan to blow air to the second evaporator; a second operation comprising when the freezer compartment reaches a target temperature or the refrigerating compartment reaches a target temperature, continuously operating the compressor, and stopping the freezer compartment fan or the refrigerating compartment fan corresponding to one of the freezer compartment or the refrigerating compartment that reaches the target temperature; and a third operation comprising when both the freezer compartment and the refrigerating compartment reach the target temperatures, turning off both of the refrigerating compartment fan and the freezer compartment fan and stopping the compressor.
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公开(公告)号：US20140284024A1
公开(公告)日：2014-09-25
申请号：US14048884
申请日：2013-10-08
Applicant: LG ELECTRONICS INC.
Inventor： Jaehoon SHIN , Heayoun SUL , Changho SEO , Yongjoo PARK
IPC: F25B29/00
CPC classification number: F25B29/003 , F25B2341/06 , F25B2341/0661 , F25B2400/01 , F25B2600/02 , F25B2600/112 , F25B2600/2511 , F25D11/022 , F25D29/00 , F25D2400/02 , F25D2700/12 , F25D2700/122 , Y02B30/743 , Y02B40/32
Abstract: A method for controlling a refrigerator includes driving a compressor, operating a switching valve to allow a refrigerant to flow into at least one main expansion valve, opening a cool air passage connecting a refrigerating compartment to a main evaporator to cool the refrigerating compartment, operating the switching valve to switching a flow direction of the refrigerant into at least one deep-freezing expansion valve when a temperature of the refrigerating compartment is cooled to a temperature lower than a set temperature, thereby cooling the deep-freezing storage chamber, and operating the heater.
Abstract translation: 一种用于控制冰箱的方法，包括驱动压缩机，操作切换阀，使制冷剂流入至少一个主膨胀阀，打开将冷藏室连接到主蒸发器的冷空气通道，以冷却冷藏室， 切换阀，当冷藏室的温度被冷却到低于设定温度的温度时，将制冷剂的流动方向切换成至少一个深冷膨胀阀，从而冷却深冷储藏室，并操作加热器 。
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