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公开(公告)号：US20220192458A1
公开(公告)日：2022-06-23
申请号：US17691543
申请日：2022-03-10
申请人： LG Electronics Inc.
发明人： Sangwoo WOO , Youngsoo KIM , Hyungman PARK
摘要： The present disclosure relates to a pump for transmitting washing water and generating steam and a dishwasher including the pump. The pump includes a housing; a washing water inlet pipe coupled to the housing to receive washing water; a washing water outlet pipe coupled to the housing to discharge the washing water; an impeller disposed in the housing to discharge the washing water from the washing water inlet pipe to the washing water outlet pipe; a heater coupled to the housing to heat the washing water in the housing and generate steam; a steam discharge pipe to discharge the steam generated by the heater; and a selector valve coupled to the steam discharge pipe to block the discharge of the washing water and allow the steam to be discharged, thereby preventing the discharge of washing water through the steam discharge pipe.
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公开(公告)号：US20210259511A1
公开(公告)日：2021-08-26
申请号：US17315762
申请日：2021-05-10
申请人： LG Electronics Inc.
发明人： Sangwoo WOO , Minseong KIM , Hyungman PARK
摘要： A pump sends washing water and generates steam in order to wash the dishes or the cooking utensils, and a dishwasher including the same. The pump includes a housing, an impeller disposed inside the housing and configured to flow washing water, and a heater coupled to a lower side of the housing and configured to generate steam by heating the washing water in the housing. The housing includes a pump lower portion configured to receive the washing water based on rotation of the impeller, and a pump upper portion configured to discharge the washing water based on rotation of the impeller and to discharge the steam generated by the heater.
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公开(公告)号：US20180271350A1
公开(公告)日：2018-09-27
申请号：US15928521
申请日：2018-03-22
申请人： LG Electronics Inc.
发明人： Sangwoo WOO , Youngsoo KIM , Hyungman PARK
CPC分类号： A47L15/4223 , A47L15/0015 , A47L15/4225 , A47L15/4234 , A47L15/4285 , D06F39/00 , D06F39/04 , D06F39/12 , F04D29/588
摘要： The present disclosure relates to a pump for transmitting washing water and generating steam and a dishwasher including the pump. The pump includes a housing; a washing water inlet pipe coupled to the housing to receive washing water; a washing water outlet pipe coupled to the housing to discharge the washing water; an impeller disposed in the housing to discharge the washing water from the washing water inlet pipe to the washing water outlet pipe; a heater coupled to the housing to heat the washing water in the housing and generate steam; a steam discharge pipe to discharge the steam generated by the heater; and a selector valve coupled to the steam discharge pipe to block the discharge of the washing water and allow the steam to be discharged, thereby preventing the discharge of washing water through the steam discharge pipe.
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公开(公告)号：US20170188778A1
公开(公告)日：2017-07-06
申请号：US15397430
申请日：2017-01-03
申请人： LG ELECTRONICS INC.
发明人： Seunghun KIM , Sangwoo WOO , Ilhwan KIM
CPC分类号： A47L15/0047 , A47L15/0015 , A47L15/0026 , A47L15/0028 , A47L15/0031 , A47L15/0034 , A47L15/0036 , A47L15/4225 , A47L15/4234 , A47L15/4257 , A47L15/4285 , A47L15/4293 , A47L15/481 , A47L15/485 , A47L2301/04 , A47L2301/08 , A47L2501/14 , A47L2601/04
摘要： Disclosed a control method of a dishwasher comprising a main-washing cycle for washing one or more washing objects which are held in a tub; a rinsing cycle for rinsing the washing objects washed in the main-washing cycle by injecting wash water; a normal drying cycle for drying the washing objects rinsed in the rinsing cycle, wherein the main-washing cycle comprises a pre-steam water supply step for supplying steam water to a sump so as to supply steam to the tub; a pre-steam supply step for generating steam by heating a heater and supplying the steam to the tub; a main-wash water supply step for supplying wash water for washing to the sump, without draining the steam water supplied to the sump; a main-washing step for washing the washing objects by circulating the supplied wash water; and a main-wash water drainage step for draining the wash water.
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公开(公告)号：US20190246868A1
公开(公告)日：2019-08-15
申请号：US16273666
申请日：2019-02-12
申请人： LG Electronics Inc.
发明人： Ilhwan KIM , Seunghun KIM , Sangwoo WOO
CPC分类号： A47L15/428 , A47L15/0015 , A47L15/0036 , A47L15/23 , A47L15/4214 , A47L15/4225 , A47L15/4234 , A47L15/4278
摘要： A dishwasher includes a case, a sump connected to an inside of the case and collecting washing water, a washing pump receiving washing water from the sump and generating steam, and a steam nozzle connected to the washing pump and spraying steam to the inside of the case. The steam nozzle includes a steam nozzle body having a steam inlet and including a steam accommodating portion accommodating steam therein, a first steam sprayer provided in the steam nozzle body and spraying steam to the inside of the case, and a second steam sprayer provided in the steam nozzle body and disposed at a position farther from the steam inlet than the first steam sprayer, wherein a tunnel flow path penetrating through a lower end of the first steam sprayer is formed to allow steam passing through the tunnel flow path to be introduced into the second steam sprayer.
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公开(公告)号：US20190059685A1
公开(公告)日：2019-02-28
申请号：US16118688
申请日：2018-08-31
申请人： LG Electronics Inc.
发明人： Sangwoo WOO , Wook HONG , Gyuhan HWANG
IPC分类号： A47L15/42
摘要： Provided is a dishwasher for spraying washing water or steam to wash dishes or cooking appliances. The dishwasher according to the present invention includes: a case; a tub which is provided inside the case to form a washing space where a target of washing is received; a spray arm which sprays washing water into the tub; a sump which is disposed under the tub to store the washing water; a washing pump which supplies the washing water stored in the sump to the spray arm and generates steam; a steam nozzle which sprays the steam generated in the washing pump to the washing space; and a steam hose which connects the washing pump and the steam nozzle, wherein the sump comprises a steam hose supporter that supports the steam hose.
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公开(公告)号：US20180213998A1
公开(公告)日：2018-08-02
申请号：US15747355
申请日：2016-07-18
申请人： LG Electronics Inc.
发明人： Seunghun KIM , Sangwoo WOO
IPC分类号： A47L15/00
CPC分类号： A47L15/0015 , A47L15/0013 , A47L15/0034 , A47L15/0036 , A47L15/0047 , A47L15/4221 , A47L15/4225 , A47L15/4234 , A47L15/4257 , A47L15/4285 , A47L2401/04 , A47L2501/14 , A47L2601/04 , A47L2601/20
摘要： Disclosed is a control method of a dishwasher (100) including a tub (2) for receiving objects to be washed, a plurality of spray arms (711, 713, 715) for spraying wash water to the objects, and a steam nozzle (42) for spraying steam to the objects, the control method including a main washing cycle of washing the objects, a rinsing cycle of rinsing the washed objects using wash water, and a drying cycle of drying the objects after the rinsing is completed, wherein the drying cycle includes spraying steam, received from a steam source, to the objects to increase a temperature of the objects (a steam spraying step) and resupplying water to the steam source in order to prevent the steam source from being heated after the steam spraying step (a cooling step).
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公开(公告)号：US20180206699A1
公开(公告)日：2018-07-26
申请号：US15878027
申请日：2018-01-23
申请人： LG Electronics Inc.
发明人： Seunghun KIM , Ilhwan KIM , Sangwoo WOO
CPC分类号： A47L15/4289 , A47L15/0015 , A47L15/0052 , A47L15/4225 , A47L15/4234 , A47L2501/04 , A47L2501/06
摘要： A dishwasher includes a tub, a spray arm, a sump, a pump body including a partition that partitions the pump body into a first chamber and a second chamber, a communication hole defined in the partition, a pump channel that connects the sump to the first chamber, an arm channel that connects the spray arm to an interior of the second chamber, an impeller located in the second chamber and configured to rotate to supply water to the arm channel, a heating unit configured to heat water stored in the first chamber, a steam channel that connects the first chamber to the tub, and a channel controller configured to, based on rotation of the impeller, supply water that passes through at least one of the sump, the pump channel, the second chamber, or the arm channel to the steam channel to close the steam channel.
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公开(公告)号：US20170188777A1
公开(公告)日：2017-07-06
申请号：US15397202
申请日：2017-01-03
申请人： LG Electronics, Inc.
发明人： Seunghun KIM , Sangwoo WOO , Ilhwan KIM
摘要： Disclosed a control method of a dishwasher comprising a main-washing cycle for washing one or more washing objects which are held in a tub; a rinsing cycle for rinsing the washing objects washed in the main-washing cycle by injecting wash water; a normal drying cycle for drying the washing objects rinsed in the rinsing cycle, wherein the main-washing cycle comprises a pre-steam water supply step for supplying steam water to a sump so as to supply steam to the tub; a pre-steam supply step for generating steam by heating a heater and supplying the steam to the tub; a main-wash water supply step for supplying wash water for washing to the sump, without draining the steam water supplied to the sump; a main-washing step for washing the washing objects by circulating the supplied wash water; and a main-wash water drainage step for draining the wash water.
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公开(公告)号：US20220142453A1
公开(公告)日：2022-05-12
申请号：US17431804
申请日：2020-02-18
申请人： LG Electronics Inc.
发明人： Sangwoo WOO , Kyungrae KIM
摘要： A dishwasher includes a cabinet, a tub, a door, a control panel that is disposed in one side of the door and has an operation button, a printed circuit board that is disposed inside the control panel and detects an input for the operation button, a supporter that has a mounting space in which the printed circuit board is mounted and that is disposed inside the control panel, a waterproof film that is adhered to one side of the supporter facing the control panel and blocks water inflow into the printed circuit board disposed in the mounting space, and a coating layer filled with a waterproof material, in the mounting space of the supporter on which the printed circuit board is mounted.
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