公开(公告)号：US10660499B2

公开(公告)日：2020-05-26

申请号：US15617897

申请日：2017-06-08

Applicant: LG ELECTRONICS INC.

Inventor： Seyoung Woo ,  Taehee Lee ,  Kyuhyung Choi ,  Joonho Pyo

IPC: A47L15/42 ,  A47L15/23

Abstract: A dishwasher that includes: a washing tub that includes an interior space to accommodate objects; a main arm that is configured to rotate in the interior space and spray water to the objects; an auxiliary arm that is configured to rotate in the interior space and spray water to the objects; a stationary gear unit that is configured to rotate with the main arm, and that includes a plurality of gear teeth; an eccentric gear unit that is configured to rotate based on rotation of the main arm, the eccentric gear unit being in engagement with one or more teeth of the plurality of gear teeth; and a link member that is configured to (i) generate elastic force based on rotation of the eccentric gear unit and (ii) rotate the auxiliary arm based on elastic force is disclosed.

公开(公告)号：US10660498B2

公开(公告)日：2020-05-26

申请号：US15615357

申请日：2017-06-06

Applicant: LG Electronics Inc.

Inventor： Seyoung Woo ,  Joonho Pyo ,  Daegyu Kim

IPC: A47L15/23 ,  A47L15/22 ,  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：US10426313B2

公开(公告)日：2019-10-01

申请号：US15403302

申请日：2017-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhyung Choi ,  Joonho Pyo ,  Wook Hong

IPC: A47L15/23 ,  A47L15/42 ,  A47L15/20 ,  A47L15/22

Abstract: A dishwasher that includes: a tub configured to accommodate an object; a main arm that is configured to (i) rotate about a first axis inside the tub, (ii) guide first water of the incoming water through a first flow path and second water of the incoming water through a second flow path, and (iii) spray the first water to the object; an auxiliary arm that is configured to (i) rotate about a second axis inside the tub and (ii) spray the second water to the object; and an auxiliary arm connector that couples the main arm to the auxiliary arm and that is rotatable with the auxiliary arm, the auxiliary arm connector including: an auxiliary flow path guide that is configured to (i) guide the second water from the main arm to the auxiliary arm and (ii) control water pressure of the second water is disclosed.

公开(公告)号：US10390676B2

公开(公告)日：2019-08-27

申请号：US15013049

申请日：2016-02-02

Applicant: LG Electronics Inc.

Inventor： Seyoung Woo ,  Joonho Pyo ,  Daegyu Kim

IPC: A47L15/23 ,  A47L15/22 ,  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：US09795273B2

公开(公告)日：2017-10-24

申请号：US14149933

申请日：2014-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Joonho Pyo

IPC: A47L15/23 ,  A47L15/42

CPC classification number: A47L15/428 ,  A47L15/23 ,  A47L15/4223

Abstract: A dishwasher is provided that may include a tub; first and second racks disposed in the tub to accommodate objects to be washed; a lower arm having a lower arm chamber that allows wash water to flow thereinto, an arm channel that communicates with the lower arm chamber through an arm channel communication hole to spray the wash water onto the second rack, a detachable chamber separated from the lower arm chamber by a chamber partition wall, and a chamber communication hole provided in the chamber partition wall to allow the lower arm chamber to communicate with the detachable part chamber; a tower nozzle provided to the second rack to spray the wash water onto the first rack; and a tower connection part withdrawable from the detachable chamber according to water pressure in the detachable chamber and adapted to supply the wash water to the tower nozzle when withdrawn from the detachable chamber.