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公开(公告)号：US09700194B2
公开(公告)日：2017-07-11
申请号：US13865291
申请日：2013-04-18
Applicant: LG Electronics Inc.
Inventor： Shinwoo Han , Daegyu Kim , Joonho Pyo
CPC classification number: A47L15/23 , A47L15/4221 , A47L15/508
Abstract: The present disclosure relates to a dishwasher having a spray arm for spraying water to a lower rack and a tower nozzle for supplying water to an upper rack. The dishwasher may reduce (e.g., prevent) leakage of water from the tower nozzle, and may supply water to either the spray arm or to the tower nozzle through a rotating nozzle depending on a pressure of water.
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公开(公告)号：US09173541B2
公开(公告)日：2015-11-03
申请号：US14019584
申请日：2013-09-06
Applicant: LG Electronics Inc.
Inventor： Shinwoo Han , Joonho Pyo , Younghwan Park , Daegyu Kim , Byeonghyeon Ju
CPC classification number: A47L15/23 , A47L15/4221 , A47L15/428 , A47L15/508
Abstract: A dishwashing machine includes a lower arm disposed at a lower side of a lower rack to spray wash water to the lower rack, a rack fixing unit provided at the lower rack, and a tower nozzle fixed to the rack fixing unit to spray wash water to an upper rack. The dishwashing machine also includes a tower connection unit provided in the lower arm such that at least a portion of the tower connection unit is configured to move from the lower arm. The tower connection unit being connected to the tower nozzle to supply wash water to the tower nozzle based on the tower connection unit moving from the lower arm. The rack fixing unit includes a guide configured to guide movement of the tower connection unit withdrawn from the lower arm to the tower nozzle.
Abstract translation: 一种洗碗机包括：设置在下架的下侧的下臂，用于将洗涤水喷射到下机架;在下机架上设置的机架固定单元;以及固定在机架固定单元上以将洗涤水喷洒到 一个上架。 洗碗机还包括设置在下臂中的塔架连接单元，使塔架连接单元的至少一部分构造成从下臂移动。 塔式连接单元连接到塔式喷嘴，以便基于从下臂移动的塔式连接单元将洗涤水供应到塔式喷嘴。 齿条固定单元包括引导件，引导件构造成将从下臂撤回的塔架连接单元的运动引导到塔架喷嘴。
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公开(公告)号：US12226064B2
公开(公告)日：2025-02-18
申请号：US18406890
申请日：2024-01-08
Applicant: LG Electronics Inc.
Inventor： Seyoung Woo , Joonho Pyo , Daegyu Kim
Abstract: A dishwasher may include a tub configured to accommodate one or more items to be washed, a spray arm rotatably mounted to the tub, and configured to spray water onto the one or more items to be washed, a sump disposed at a bottom surface of the tub and configured to store water and to supply stored water to the spray arm, a fixed gear unit fixed to the tub with gear teeth arranged along an outer circumferential surface of the fixed gear unit, a rotary gear unit rotatably mounted on the spray arm and configured to engage the gear teeth of the fixed gear unit, and a link member connected to the rotary gear unit and the spray arm, where the spray arm may include, a main arm with a pair of arms, and a pair of auxiliary arms rotatably connected to the main arm.
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公开(公告)号：US12157966B2
公开(公告)日：2024-12-03
申请号：US17091727
申请日：2020-11-06
Applicant: LG Electronics Inc.
Inventor： Jeonguk Lee , Manho Chun , Joonho Pyo
IPC: D06F37/40 , D06F23/04 , D06F37/24 , D06F37/30 , D06F33/36 , D06F33/40 , D06F33/47 , D06F103/46 , D06F105/46 , D06F105/54 , F16D27/14 , H02P23/20 , H02P29/00
Abstract: A control method for a washing machine includes: a mode change step in which the configuration of a coupler is moved by operating a solenoid module in such a way that a drive shaft for spinning a pulsator and a dewatering shaft for spinning a washing tub are axially coupled or decoupled; and a mode check step in which a drive motor for rotating the drive shaft is operated and the load of current outputted to the drive motor is sensed, the mode check step comprising a coupler setting step in which, if the load of current outputted to the drive motor does not satisfy a set load value, the solenoid module is operated to reposition the coupler.
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公开(公告)号：US11708655B2
公开(公告)日：2023-07-25
申请号：US17091949
申请日：2020-11-06
Applicant: LG Electronics Inc.
Inventor： Jeonguk Lee , Manho Chun , Joonho Pyo , Taehee Lee
CPC classification number: D06F13/06 , D06F37/40 , D06F37/304
Abstract: A washing machine includes a dewatering shaft for rotating a washing tub, a drive shaft for rotating a pulsator in the washing tub, a coupler that is configured to move up and down along the dewatering shaft, a solenoid module that moves the coupler upward, a coupler guide configured to be rotated by contact with the coupler when the coupler moves upward, and to maintain a position of the coupler or guide the coupler to another position when the coupler moves downward, and a controller that controls operation of the solenoid module based on applying one or more pulse signals to the solenoid module.
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Patent Agency Ranking
公开(公告)号：US11603620B2
公开(公告)日：2023-03-14
申请号：US17503985
申请日：2021-10-18
Applicant: LG ELECTRONICS INC.
Inventor： Jeonguk Lee , Joonho Pyo , Taehee Lee
Abstract: A washing machine includes a washing tub rotatably disposed to accommodate laundry, a pulsator rotatably disposed in the washing tub, a drive shaft to rotate the pulsator, a dehydration shaft to be connected to the washing tub and through which the drive shaft passes, a solenoid to form a magnetic field when a current is applied, a fixing core to surround the solenoid, and a clutch to couple and uncouple the drive shaft and the dehydration shaft. The clutch includes an armature to be lifted by a magnetic force of the solenoid, and a clutch coupler to be elevated along the dehydration shaft, perform coupling between the drive shaft and the dehydration shaft in a first position, and perform uncoupling between the drive shaft and the dehydration shaft in a second position lifted from the first position.
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公开(公告)号：US11457792B2
公开(公告)日：2022-10-04
申请号：US16460478
申请日：2019-07-02
Applicant: LG Electronics Inc.
Inventor： Jongmin Lee , Byeonghyeon Ju , Daegyu Kim , Seyoung Woo , Taehee Lee , Joonho Pyo
Abstract: A dishwasher includes a tub, a spray arm, and a spray arm. The spray arm includes an arm body that defines a plurality of channels that are partitioned from each other and that are configured to carry washing water and a plurality of spray holes configured to discharge washing water from the plurality of channels toward the washing objects. The spray arm further includes a chamber disposed vertically below the arm body and configured to communicate with the plurality of channels; a channel guider configured to supply washing water from the spray arm holder to the chamber; and a channel switch unit accommodated in the chamber and configured to open and close at least a portion of the plurality of channels.
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公开(公告)号：US11319656B2
公开(公告)日：2022-05-03
申请号：US17091950
申请日：2020-11-06
Applicant: LG Electronics Inc.
Inventor： Jeonguk Lee , Dohyun Jung , Joonho Pyo
Abstract: A washing machine includes a dewatering shaft for rotating a washing tub, a drive shaft for rotating a pulsator in the washing tub, a coupler configured to move along the dewatering shaft to couple or decouple the drive shaft and the dewatering shaft, a solenoid configured to move the coupler, and a coupler guide configured to be rotated by contact with the coupler or to maintain the coupler in the second position. The coupler includes locking protrusions configured to lock onto an upper side of the coupler guide. The coupler guide includes first guide projections disposed on an outer perimeter of the coupler guide and configured to contact one of the locking protrusions to rotate the coupler guide, and second guide projections disposed opposite to the first guide projections and configured to contact another of the locking protrusions to rotate the coupler guide.
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公开(公告)号：US11085141B2
公开(公告)日：2021-08-10
申请号：US16521891
申请日：2019-07-25
Applicant: LG ELECTRONICS INC.
Inventor： Jeonguk Lee , Joonho Pyo , Taehee Lee
Abstract: The present invention relates to a washing machine comprising an outer tub containing water, and an inner tub disposed in the outer tub to accommodate laundry and rotated about a horizontal axis. The washing machine includes: a motor for providing rotational force; an outer shaft that has a first hollow, and rotates the inner tub; an inner shaft disposed in the first hollow and rotated by the motor; a pulsator disposed in the inner tub and coupled with the inner shaft; a planetary gear train for transmitting rotational force of the motor; a carrier mover which has an outer circumferential surface that is spline-coupled to an inner circumferential surface of the outer shaft, and an inner circumferential surface that is screwed with an outer circumferential surface of the clutch carrier; and a stopper restricting movement of the carrier mover, thereby achieving various washing modes with a simple mechanism by rotating the inner tub and the pulsator.
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公开(公告)号：US10602906B2
公开(公告)日：2020-03-31
申请号：US15615464
申请日：2017-06-06
Applicant: LG Electronics Inc.
Inventor： Seyoung Woo , Joonho Pyo , Daegyu Kim
Abstract: A dishwasher may include a tub configured to accommodate one or more items to be washed, a spray arm rotatably mounted to the tub, and configured to spray water onto the one or more items to be washed, a sump disposed at a bottom surface of the tub and configured to store water and to supply stored water to the spray arm, a fixed gear unit fixed to the tub with gear teeth arranged along an outer circumferential surface of the fixed gear unit, a rotary gear unit rotatably mounted on the spray arm and configured to engage the gear teeth of the fixed gear unit, and a link member connected to the rotary gear unit and the spray arm, where the spray arm may include, a main arm with a pair of arms, and a pair of auxiliary arms rotatably connected to the main arm.
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