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公开(公告)号：US12185893B2
公开(公告)日：2025-01-07
申请号：US18185064
申请日：2023-03-16
Applicant: LG Electronics Inc.
Inventor： Seyoung Woo , Joonho Pyo , Daegyu Kim , Taehee Lee
Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.
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公开(公告)号：US12018425B2
公开(公告)日：2024-06-25
申请号：US17419089
申请日：2019-12-27
Applicant: LG Electronics Inc.
Inventor： Jeonguk Lee , Joonho Pyo , Taehee Lee
IPC: D06F23/04 , D06F37/04 , D06F37/12 , D06F37/30 , D06F37/40 , F16D1/076 , F16D1/108 , F16D11/14 , F16D27/118
CPC classification number: D06F37/40 , D06F23/04 , D06F37/04 , D06F37/12 , D06F37/304 , F16D1/076 , F16D1/108 , F16D11/14 , F16D27/118
Abstract: A washing machine includes a tub, a drum, a motor, a pulsator, a coupler configured to couple and decouple a driving shaft of the motor and a drying shaft of the drum, and a clutch supporting the coupler and moving in an axial direction. The clutch includes driven protrusions extending in a vertical direction. The washing machine further includes a clutch supporter having a plurality of support surfaces that are spaced apart from each other in a circumferential direction and support lower ends of the driven protrusions located between the support surfaces when the coupler is at a connection position, and guide surfaces that are located above the support surfaces in the circumferential direction and configured to interfere with the upper ends of the driven protrusions based on the clutch moving upwards from the connection position to a disconnection position to thereby rotate the driven protrusions to positions corresponding to the support surfaces.
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公开(公告)号：US11040355B2
公开(公告)日：2021-06-22
申请号：US16967309
申请日：2019-01-31
Applicant: LG Electronics Inc.
Inventor： Imsung Yoo , Joonho Pyo , Ayeong Lee , Taehee Lee
Abstract: An electric dust collecting filter includes a plurality of film electrodes that are arranged apart from each other at regular intervals and form an electric field to collect foreign matter in the air. The film electrode includes an insulating part that defines one surface and the other surface of the film electrode, a first electrode part disposed on one side inside the insulating part and having a plurality of first wire electrodes spaced apart from each other, and a second electrode part disposed on the other side inside the insulating part and having a plurality of second wire electrodes that are disposed between the plurality of first wire electrodes spaced apart from each other and provided alternately with the plurality of first wire electrodes.
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公开(公告)号：US10793990B2
公开(公告)日：2020-10-06
申请号：US16283608
申请日：2019-02-22
Applicant: LG ELECTRONICS INC.
Inventor： Manho Chun , Jeonguk Lee , Taehee Lee , Joonho Pyo
Abstract: A method of controlling a washing machine includes rotating a motor for driving an inner shaft in a first direction, and aligning a clutch to a reference position corresponding to one of a maximum lowered position and a maximum raised position. The motor is rotated by a preset reference alignment angle in a second direction to align the clutch from the reference position to a starting position corresponding to one of an upper limit and a lower limit of a preset agitating control section. The upper limit of the agitating control section is spaced downward by a first distance from the maximum raised position, and the lower limit of the agitating control section is spaced upward by a second distance from the maximum lowered position. The motor is rotated by a starting alignment angle set according to a displacement of the clutch ranging from the starting position to a target position corresponding to the other one of the upper limit and the lower limit so that the clutch is moved from the starting position to the target position.
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公开(公告)号：US20190264369A1
公开(公告)日：2019-08-29
申请号：US16283608
申请日：2019-02-22
Applicant: LG ELECTRONICS INC.
Inventor： Manho Chun , Jeonguk Lee , Taehee Lee , Joonho Pyo
Abstract: A method of controlling a washing machine includes rotating a motor for driving an inner shaft in a first direction, and aligning a clutch to a reference position corresponding to one of a maximum lowered position and a maximum raised position. The motor is rotated by a preset reference alignment angle in a second direction to align the clutch from the reference position to a starting position corresponding to one of an upper limit and a lower limit of a preset agitating control section. The upper limit of the agitating control section is spaced downward by a first distance from the maximum raised position, and the lower limit of the agitating control section is spaced upward by a second distance from the maximum lowered position. The motor is rotated by a starting alignment angle set according to a displacement of the clutch ranging from the starting position to a target position corresponding to the other one of the upper limit and the lower limit so that the clutch is moved from the starting position to the target position.
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Patent Agency Ranking
公开(公告)号：US10376127B2
公开(公告)日：2019-08-13
申请号：US15615343
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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公开(公告)号：US20190153645A1
公开(公告)日：2019-05-23
申请号：US16195013
申请日：2018-11-19
Applicant: LG Electronics Inc.
Inventor： Jeonguk Lee , Seyoung Woo , Taehee Lee , Joonho Pyo
Abstract: The present invention relates to a washing machine including an outer tub which accommodates wash water, an inner tub which is disposed in the outer tub to accommodate laundry, and which rotates around a vertical axis, a motor which provides torque, an outer shaft which has a hollow, and which rotates the inner tub, an inner shaft which rotates inside the hollow by the motor, a pulsator which is disposed in the inner tub and is connected to the inner shaft, and a clutch which is screw-coupled to the inner shaft in the hollow formed at the outer shaft, and which is engaged with the outer shaft so as to be raised by the rotation of the inner shaft.
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公开(公告)号：US11753761B2
公开(公告)日：2023-09-12
申请号：US17091711
申请日：2020-11-06
Applicant: LG Electronics Inc.
Inventor： Jeonguk Lee , Manho Chun , Sechang Kim , Joonho Pyo , Taehyeon Sim
CPC classification number: D06F37/40 , D06F37/24 , D06F37/304 , D06F23/04
Abstract: A washing machine and a control method therefor are provided. The washing machine includes a water tank, a washing tub, a pulsator, a drive motor, a coupling flange connected to the drive motor, a drive shaft that rotates the pulsator, a dewatering shaft that rotates the washing tub, a coupler configured to move up and down along the dewatering shaft and to be placed in a first position where the coupler engages the coupling flange and in a second position where the coupler is placed above the coupling flange, a solenoid module that moves the coupler, a coupler guide configured to be rotated by the coupler and fix the coupler in the second position, and a controller configured to control the solenoid module to move the coupler.
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公开(公告)号：US11746459B2
公开(公告)日：2023-09-05
申请号：US17352595
申请日：2021-06-21
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：US11622666B2
公开(公告)日：2023-04-11
申请号：US17375713
申请日：2021-07-14
Applicant: LG Electronics Inc.
Inventor： Seyoung Woo , Joonho Pyo , Daegyu Kim , Taehee Lee
Abstract: A dishwasher may include a sump configured to store water, a main arm disposed at the sump and configured to supply water from the sump, an auxiliary arm rotatably disposed at the main arm and configured to spray water, and an auxiliary arm connection member disposed at the main arm and configured to rotatably support the auxiliary arm, where the auxiliary arm may include an auxiliary flow passage configured to allow water flow through the auxiliary arm, where the main arm may include a transfer flow passage in fluid communication with the auxiliary flow passage, where the auxiliary arm connection member may include a flow tube disposed at the main arm in fluid communication with the transfer flow passage and the auxiliary flow passage.
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