公开(公告)号：US10743741B2

公开(公告)日：2020-08-18

申请号：US16418541

申请日：2019-05-21

Applicant: LG Electronics Inc.

Inventor： Kyuhyung Choi ,  Jinhong Kim

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

Abstract: A dishwasher includes a tub. The dishwasher further includes a spray arm that includes a main arm and an auxiliary arm. The dishwasher further includes a fixed gear part that is connected to the tub, that is configured to rotatably support the main arm, and that includes teeth along an outer circumferential surface of the fixed gear part. The dishwasher further includes a rotating gear part that is connected to the main arm and that is configured to rotate and engage the teeth of the fixed gear part based on rotation of the main arm. The dishwasher further includes a link unit that is connected to the rotating gear part, the main arm, and the auxiliary arm, that is configured to move based on rotation of the rotating gear part, and that is configured to guide reciprocation of the auxiliary arm through the predetermined arc.

公开(公告)号：US11344178B2

公开(公告)日：2022-05-31

申请号：US17088268

申请日：2020-11-03

Applicant: LG Electronics Inc.

Inventor： Jinhong Kim ,  Minehul Kim ,  Kyuhyung Choi

IPC: A47L15/42

Abstract: Disclosed is a dishwasher comprising a tub defining a washing space, a sump provided to collect the wash water injected into the tub, a supply pump provided to supply the wash water stored in the sump to the tub, a filter provided in the sump and comprising a first body having a plurality of first holes formed along a lateral circumferential surface; and a second body arranged in a radially inner side of the first body and having a plurality of second holes formed along a lateral circumferential surface, wherein the second body comprises an external wall portion in which the second holes are formed and an internal wall portion positioned in a radially inner side of the external wall and vertically extended.

公开(公告)号：US10264946B2

公开(公告)日：2019-04-23

申请号：US15303687

申请日：2016-07-19

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhyung Choi ,  Minchul Kim ,  Baekhon Kim ,  Sangsoo Lee

IPC: A47L15/50 ,  A47L15/42

Abstract: Disclosed is a dishwasher including a tub, a door, a sump, a rack, a spray arm, a water guide including a supply flow-path for movement of the wash water from the sump and a supply port formed in the supply flow-path, a supply unit including a support body for receiving the wash water, a connection pipe extending from the support body to the spray arm, and an spray arm coupler, and a connection member including a coupling body coupled to the water guide and the support body, and a through-hole formed in the coupling body. The supply unit includes a rearwardly protruding insertion portion, and the connection member includes protrusions spaced apart from each other to define an insertion space for the protruding insertion portion, so that the supply unit is coupled to the water guide as the protruding insertion portion is inserted into one of the insertion space.

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：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：US11026556B2

公开(公告)日：2021-06-08

申请号：US15741856

申请日：2016-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Jinhong Kim ,  Minchul Kim ,  Kyuhyung Choi

IPC: A47L15/42

Abstract: Disclosed is a dishwasher comprising a tub defining a washing space, a sump provided to collect the wash water injected into the tub, a supply pump provided to supply the wash water stored in the sump to the tub, a filter provided in the sump and comprising a first body having a plurality of first holes formed along a lateral circumferential surface; and a second body arranged in a radially inner side of the first body and having a plurality of second holes formed along a lateral circumferential surface, wherein the second body comprises an external wall portion in which the second holes are formed and an internal wall portion positioned in a radially inner side of the external wall and vertically extended.

公开(公告)号：US10588480B2

公开(公告)日：2020-03-17

申请号：US15738100

申请日：2016-06-10

Applicant: LG ELECTRONICS INC.

Inventor： Sangsoo Lee ,  Kyuhyung Choi

IPC: A47L15/42 ,  A47L15/23 ,  A47L15/00

Abstract: A dishwasher includes: a tub; a sump configured to collect wash water sprayed into the tub; a spraying arm including: first and second channels configured to independently guide the wash water; and a plurality of spraying holes configured to spray the wash water supplied to each of the channels in preset directions; a supply pump configured to supply the wash water collected in the sump to the spraying arm, the supply pump including: an impeller; and a motor configured to drive the impeller; a flow path conversion unit configured to selectively supply the wash water to the first channel or the second channel; and a controller configured to cause the flow path conversion unit to selectively supply the wash water to the first channel or the second channel by controlling the operation of the motor based on a value of an electrical current flowing through the motor.

公开(公告)号：US10349811B2

公开(公告)日：2019-07-16

申请号：US15216811

申请日：2016-07-22

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhyung Choi ,  Jinhong Kim

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

Abstract: A dishwasher includes a tub. The dishwasher further includes a spray arm that includes a main arm and an auxiliary arm. The dishwasher further includes a fixed gear part that is connected to the tub, that is configured to rotatably support the main arm, and that includes teeth along an outer circumferential surface of the fixed gear part. The dishwasher further includes a rotating gear part that is connected to the main arm and that is configured to rotate and engage the teeth of the fixed gear part based on rotation of the main arm. The dishwasher further includes a link unit that is connected to the rotating gear part, the main arm, and the auxiliary arm, that is configured to move based on rotation of the rotating gear part, and that is configured to guide reciprocation of the auxiliary arm through the predetermined arc.