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公开(公告)号：US20210172106A1
公开(公告)日：2021-06-10
申请号：US17112463
申请日：2020-12-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wonjae HAN , Doyeon KIM , Jeonghoon KANG , Hansol YOUN
Abstract: A washing machine includes a cabinet, a tub disposed inside the cabinet, and a rotating tub rotatably disposed inside the tub. A suspension device connects the tub to the cabinet such that the tub is supported by the cabinet, and a vibration reduction apparatus is coupled between the tub and the suspension device to reduce vibration of the tub according to rotation of the rotating tub. The vibration reduction apparatus includes a first rod and a second rod rotatably coupled to the first rod.
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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
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.
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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.
