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公开(公告)号：US11357384B2
公开(公告)日：2022-06-14
申请号：US16696687
申请日：2019-11-26
Applicant: LG Electronics Inc.
Inventor： Sangheon Yoon , Changyoon Jung
Abstract: A method for controlling a dish washer includes: supplying washing water to a water storage unit; delivering washing water from the water storage unit to the washing tank; heating washing water in the sump by a first heat exchanger disposed in the sump; injecting heated washing water through an injection arm; recovering heat from heated washing water by the first heat exchanger and transferring heat to a second heat exchanger disposed in the water storage unit after completion of washing; and discharging washing water cooled by the first heat exchanger from the sump to an outside. The dish washer includes a heat pump system including the first heat exchanger, the second heat exchanger, an expansion apparatus, that expands refrigerant received from the first heat exchanger or the second heat exchanger, a compressor that compresses and circulates refrigerant received from the first heat exchanger or the second heat exchanger.
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公开(公告)号：US11246469B2
公开(公告)日：2022-02-15
申请号：US16697784
申请日：2019-11-27
Applicant: LG Electronics Inc.
Inventor： Changyoon Jung , Sangheon Yoon
Abstract: A dish washer includes: a washing tank having an accommodation space for storing dishes therein; an injection arm disposed inside the washing tank, and provided with a plurality of nozzles to selectively inject washing water and air to the dishes according to a washing stroke and a drying stroke; a duct unit that defines a passage for delivering the air to the injection arm; a suction fan provided inside the duct unit to suction the air and supply the air to the injection arm; and an air heating element that heats the air to be supplied to the injection arm.
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公开(公告)号：US11576552B2
公开(公告)日：2023-02-14
申请号：US16697787
申请日：2019-11-27
Applicant: LG Electronics Inc.
Inventor： Sangheon Yoon , Changyoon Jung
Abstract: A dish washer includes: a washing tank including a sump at a bottom surface thereof; a water storage unit disposed inside or outside the washing tank to store washing water to be supplied to the washing tank; a heat pump system including a compressor that compresses and circulates refrigerant, a first heat exchanger disposed in the sump, an expansion apparatus, and a second heat exchanger disposed in the water storage unit to heat washing water for washing the dishes; and a reverse valve that changes a flow of refrigerant flowing through each of the first heat exchanger and the second heat exchanger to allow each of the first heat exchanger and the second heat exchanger to be switched from each other between a heating mode for heating the washing water and a heat recovery mode for recovering heat from washing water discharged to the outside from the washing tank.
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公开(公告)号：US11284774B2
公开(公告)日：2022-03-29
申请号：US16698357
申请日：2019-11-27
Applicant: LG Electronics Inc.
Inventor： Changyoon Jung , Sangheon Yoon
Abstract: The present disclosure relates to a dishwasher having a heat pump, including a dishwasher body provided with a tub configured with a washing space therein and a sump provided at a bottom of the tub to temporarily accommodate washing water; a heat pump having a compressor, an evaporator, an expansion apparatus, and a condenser provided on an inner bottom surface of the tub to exchange heat with washing water inside the tub; and a controller that controls the heat pump to be driven to increase the temperature of the washing water inside the tub. As a result, the heating time of washing water may be shortened.
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公开(公告)号：US11166617B2
公开(公告)日：2021-11-09
申请号：US16698207
申请日：2019-11-27
Applicant: LG Electronics Inc.
Inventor： Sangheon Yoon , Changyoon Jung
IPC: A47L15/42
Abstract: The present disclosure relates to a dishwasher having a heat pump, including a dishwasher body provided with a tub configured with a washing space therein and a sump provided at a bottom of the tub to temporarily accommodate washing water; a spray arm provided inside the washing space to spray washing water; a circulation pump that pumps the washing water of the sump; a washing water guide that guides the washing water pumped by the circulation pump to the spray arm; a heat pump provided with a compressor, an evaporator, an expansion apparatus, and a condenser provided to exchange heat in contact with the washing water of the washing water guide; and a controller that controls the heat pump to increase the temperature of the washing water of the washing water guide. As a result, it may be possible to suppress heat loss from being generated while heating washing water.
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Patent Agency Ranking
公开(公告)号：US20200163525A1
公开(公告)日：2020-05-28
申请号：US16696687
申请日：2019-11-26
Applicant: LG Electronics Inc.
Inventor： Sangheon Yoon , Changyoon Jung
Abstract: A method for controlling a dish washer includes: supplying washing water to a water storage unit; delivering washing water from the water storage unit to the washing tank; heating washing water in the sump by a first heat exchanger disposed in the sump; injecting heated washing water through an injection arm; recovering heat from heated washing water by the first heat exchanger and transferring heat to a second heat exchanger disposed in the water storage unit after completion of washing; and discharging washing water cooled by the first heat exchanger from the sump to an outside. The dish washer includes a heat pump system including the first heat exchanger, the second heat exchanger, an expansion apparatus, that expands refrigerant received from the first heat exchanger or the second heat exchanger, a compressor that compresses and circulates refrigerant received from the first heat exchanger or the second heat exchanger.
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公开(公告)号：US10214409B2
公开(公告)日：2019-02-26
申请号：US14607225
申请日：2015-01-28
Applicant: LG ELECTRONICS INC.
Inventor： Jimin You , Changyoon Jung , Siyeon An , Yonghyun Kim
Abstract: A refrigerator includes a main body defining a storage space therein, a door that opens and closes the storage space, and a hot water module including an instantaneous heater for heating water. The hot water module measures a flow rate of water along with a temperature of water introduced to the instantaneous heater to ensure the proper amount and temperature of water is dispensed.
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公开(公告)号：US11564554B2
公开(公告)日：2023-01-31
申请号：US16698255
申请日：2019-11-27
Applicant: LG Electronics Inc.
Inventor： Sangheon Yoon , Changyoon Jung
Abstract: The present disclosure relates to a dishwasher having a heat pump, including a dishwasher body provided with a tub configured with a washing space therein and a sump provided at a bottom of the tub to temporarily accommodate washing water; a heat pump having a compressor, an evaporator, an expansion apparatus, and a sump condenser provided inside the sump to exchange heat with washing water inside the sump; and a controller that controls the heat pump to be driven so as to increase the temperature of the washing water inside the sump. As a result, a heating time of washing water may be shortened, thereby suppressing washing time from being prolonged.
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公开(公告)号：US11412910B2
公开(公告)日：2022-08-16
申请号：US16696528
申请日：2019-11-26
Applicant: LG Electronics Inc.
Inventor： Changyoon Jung , Sangheon Yoon
Abstract: The present disclosure relates to a dish washer having a heat pump, and the dish washer may include a washing tank provided with a sump at a bottom surface thereof and provided with an accommodation space for storing dishes therein; a heat pump system provided with an evaporator, a compressor that compresses and circulates refrigerant, a condenser that heats washing water for washing the dishes, and an expansion apparatus; and a heat exchange system that exchanges heat between water for heat transfer to the refrigerant and the evaporator, thereby enhancing the heat exchange performance and efficiency of the evaporator.
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公开(公告)号：US11253136B2
公开(公告)日：2022-02-22
申请号：US16698568
申请日：2019-11-27
Applicant: LG Electronics Inc.
Inventor： Changyoon Jung , Sangheon Yoon
Abstract: The present disclosure relates to a dish washer having a heat pump, and the dish washer may include a washing tank having an accommodation space for storing dishes therein; an injection arm disposed inside the washing tank, and provided with a plurality of nozzles to inject washing water or air to the dishes according to a washing stroke and a drying stroke; a duct unit that defines a passage for delivering air to the injection arm; a suction fan that suctions the air and supplies the air to the injection arm; and an air heating element provided inside the duct unit to heat the air to be supplied to the injection arm, wherein the injection arm is rotatably mounted about a rotary shaft, and the plurality of nozzles rotate the injection arm by a pressure that injects the air.
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