公开(公告)号：US20230175187A1

公开(公告)日：2023-06-08

申请号：US17955762

申请日：2022-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wonjae HAN ,  Jeonggi HONG ,  Sungjong KIM ,  Hooijoong KIM ,  Sukwoo PARK ,  Jaepoong LEE ,  Sooyeon JIN

IPC: D06F34/08 ,  D06F33/42 ,  D06F33/47

CPC classification number: D06F34/08 ,  D06F33/42 ,  D06F33/47 ,  D06F2103/42

Abstract: A washing machine for controlling optimal operating revolutions per minute (rpm) of a drain pump in a draining course and a dehydrating course includes a washing tub; a drain pump configured to drain water in the washing tub; a pump motor configured to operate the drain pump; an inverter circuit configured to supply a driving current to the pump motor to operate the drain pump; and a controller configured to control the inverter circuit to supply reference power to the pump motor in response to starting a draining course, determine reference revolutions per minute (rpm) based on average rpm of the pump motor during a preset period of time, and control the inverter circuit to operate the pump motor at the reference rpm in response to the determining of the reference rpm.

公开(公告)号：US20230407542A1

公开(公告)日：2023-12-21

申请号：US18300270

申请日：2023-04-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeonggi HONG ,  Wonjae HAN ,  Sungjong KIM ,  Hooijoong KIM ,  Hansol YOUN ,  Sooyeon JIN

IPC: D06F33/48 ,  D06F23/04 ,  D06F37/24 ,  D06F37/30 ,  D06F39/08 ,  D06F33/42 ,  D06F33/36 ,  D06F33/44 ,  D06F34/22 ,  D06F33/40

CPC classification number: D06F33/48 ,  D06F23/04 ,  D06F37/245 ,  D06F37/304 ,  D06F39/083 ,  D06F33/42 ,  D06F33/36 ,  D06F33/44 ,  D06F34/22 ,  D06F33/40 ,  D06F2105/08

Abstract: Provided is a washing machine and a method of controlling the same, the washing machine including: a tub provided to accommodate water therein; a rotating tub rotatably installed inside the tub; a ball balancer provided in the rotating tub; a washing motor configured to rotate the rotating tub; a drain motor configured to drain water from the tub; and a controller configured to; based on completing a washing cycle or a rinsing cycle, drive the drain motor; based on a water level in the tub reaching a first water level threshold, drive the washing motor for a first period of time; and based on the first period of time elapsing, stop the washing motor and the drain motor.

公开(公告)号：US20220251759A1

公开(公告)日：2022-08-11

申请号：US17712369

申请日：2022-04-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongik LEE ,  Dongwoon LIM ,  Jeomgap KIM ,  Sungjong KIM ,  Jeonggi HONG

IPC: D06F39/02 ,  D06F37/12 ,  D06F23/04

Abstract: A washing machine which includes a tub, a drum rotatably inside the tub, a pulsator rotatable inside the drum at a bottom of the drum, and an agitator to be connected to an upper portion of the pulsator, where the agitator includes an agitator body, a rinse case to be installed in the agitator body, and to accommodate a rinse, the rinse case being detachable from the agitator body, and a plate spaced from the rinse case along a downward direction of the rinse case, and located lower than a maximum water level of water to be supplied to the tub.