公开(公告)号：US10335010B2

公开(公告)日：2019-07-02

申请号：US15615229

申请日：2017-06-06

Applicant: LG Electronics Inc.

Inventor： Seyoung Woo ,  Joonho Pyo ,  Daegyu Kim

IPC: A47L15/22 ,  A47L15/23 ,  A47L15/42

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.

公开(公告)号：US10226160B2

公开(公告)日：2019-03-12

申请号：US14794221

申请日：2015-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Shinwoo Han ,  Joonho Pyo ,  Jaechul Lee ,  Daegyu Kim ,  Seyoung Woo

IPC: A47L15/42 ,  A47L15/23

Abstract: A dishwasher includes a cabinet having a tub, a pump and at least one spray arm. The at least one spray arm has a flow path guide and first and second flow channels separated from each other. The flow path guide has a first opening to allow wash water to flow to the first flow channel and a second opening to allow wash water to flow to the second flow channel. A valve is coupled to the flow path guide and is configured to open or close one of the first opening and the second opening. The valve includes a rotatable float. The rotatable float closes the first opening while opening the second opening at a first point in time, and the rotatable float rotates to open the second opening while closing the second opening at a second point in time.

公开(公告)号：US09867519B2

公开(公告)日：2018-01-16

申请号：US13917740

申请日：2013-06-14

Applicant: LG Electronics Inc.

Inventor： Daegyu Kim ,  Byeonghyeon Ju ,  Shinwoo Han ,  Joonho Pyo ,  Younghwan Park

IPC: A47L15/42 ,  A47L15/23 ,  A47L15/50

CPC classification number: A47L15/23 ,  A47L15/4221 ,  A47L15/428 ,  A47L15/508

Abstract: A dishwasher is disclosed that includes a tub, an upper rack and a lower rack arranged in the tub and configured to receive objects a lower arm, a water supply pump configured to supply water to the lower arm chamber, a tower nozzle included in the lower rack and configured to inject water to the upper rack, a tower connection part detachable from the detachable pipe chamber and configured to connect and supply water to the tower nozzle based on being detached from the detachable pipe chamber, and a channel change unit provided in the lower arm chamber configured to alternately open (i) the chamber communication hole and (ii) an arm channel communication hole based on water pressure inside the lower arm chamber.