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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
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Changyoon Jung
摘要： 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
申请人： LG Electronics Inc.
发明人： Changyoon Jung , Sangheon Yoon
摘要： 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：US11278180B2
公开(公告)日：2022-03-22
申请号：US16271427
申请日：2019-02-08
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Daegyu Kim
IPC分类号： A47L15/48
摘要： A dishwasher includes: a cabinet defining an external appearance of the dishwasher; a tub disposed in the cabinet to form a space where to wash dishes; a heat exchange module disposed between the tub and the cabinet to form a space in which external air flows, and configured to supply the external air to the tub; and a condensing module disposed between the heat exchange module and the cabinet and configured to perform heat exchange of air discharged from the tub with the external air flowing in the heat exchange module and discharge heat-exchanged air to an outside of the cabinet.
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公开(公告)号：US09814367B2
公开(公告)日：2017-11-14
申请号：US14673346
申请日：2015-03-30
申请人： LG ELECTRONICS INC.
发明人： Gapsu Shin , Sangheon Yoon
IPC分类号： A47L15/42
CPC分类号： A47L15/4225 , A47L15/4209
摘要： A dishwasher includes a cabinet, a tub providing a washing space, a sump located below the tub and providing a space in which the washing water is stored, racks provided inside the tub and providing a space in which washing targets are received, spray arms for spraying the washing water to the racks, a pump for supplying the washing water stored in the sump to the spray arms, and at least two insulating units for connecting the pump with the sump to allow the pump to be spaced apart from a bottom of the cabinet at a predetermined distance and attenuating transfer of vibration generated in the pump to the sump.
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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
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Changyoon Jung
摘要： 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：US11297998B2
公开(公告)日：2022-04-12
申请号：US16271357
申请日：2019-02-08
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Daegyu Kim
摘要： A dishwasher includes: a cabinet defining an external appearance of the dishwasher; a tub disposed in the cabinet to form a space where to wash dishes, and having an exhaust hole formed on an upper surface of the tub; and an external air flow unit forming a flow path, along which external air is introduced and discharged, and having an inflow hole formed above the exhaust hole to communicate with the tub, wherein the external air flow unit takes a shape in which a cross-sectional area of the flow path decreases in an upstream side of the inflow hole in a flow direction of the external air and increases in a downstream side of the inflow hole.
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公开(公告)号：US11134827B2
公开(公告)日：2021-10-05
申请号：US16271430
申请日：2019-02-08
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Daegyu Kim
IPC分类号： A47L15/48
摘要： A dishwasher includes: a cabinet defining an external appearance of the dishwasher; a tub disposed in the cabinet to form a space where to wash dishes; a heat exchanger disposed between the tub and the cabinet to form a space in which external air flows; and a condensing module disposed between the heat exchanger and the cabinet and configured to exchange heat of air discharged from the tub with the external air flowing in the heat exchanger such that the heat-exchanged air flows into the tub.
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公开(公告)号：US10912440B2
公开(公告)日：2021-02-09
申请号：US15877778
申请日：2018-01-23
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Gapsu Shin , Taehee Lee , Joonho Pyo
摘要： A dishwasher includes a tub, a spray arm, a sump, a pump body, the pump body including a partition between first and second chambers, a communication hole in the partition that communicates with the first and second chambers, a pump flow path that connects the sump to the first chamber, an arm flow path that connects the spray arm to the second chamber, an impeller in the second chamber, a heating unit to heat water in the first chamber, a steam flow path that connects the first chamber to the tub, a connection flow path that connects the steam flow path to the arm flow path, and a flow path valve configured to close the steam flow path based on water being supplied to the connection flow path, and to open the steam flow path based on a lack of water being supplied to the connection flow path.
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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
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Changyoon Jung
IPC分类号： A47L15/42
摘要： 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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公开(公告)号：US20200163525A1
公开(公告)日：2020-05-28
申请号：US16696687
申请日：2019-11-26
申请人： LG Electronics Inc.
发明人： Sangheon Yoon , Changyoon Jung
摘要： 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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