US 12,116,714 B2
Laundry treating apparatus and method for controlling the same
Sunho Lee, Seoul (KR); Youngjong Kim, Seoul (KR); and Dongcheol Kim, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Aug. 12, 2021, as Appl. No. 17/400,831.
Claims priority of application No. 10-2020-0102608 (KR), filed on Aug. 14, 2020.
Prior Publication US 2022/0049399 A1, Feb. 17, 2022
Int. Cl. D06F 33/48 (2020.01); D06F 23/04 (2006.01); D06F 33/38 (2020.01); D06F 33/40 (2020.01); D06F 34/16 (2020.01); D06F 103/26 (2020.01); D06F 105/48 (2020.01); D06F 105/52 (2020.01)
CPC D06F 33/48 (2020.02) [D06F 23/04 (2013.01); D06F 33/38 (2020.02); D06F 33/40 (2020.02); D06F 34/16 (2020.02); D06F 2103/26 (2020.02); D06F 2105/48 (2020.02); D06F 2105/52 (2020.02)] 20 Claims
OG exemplary drawing
 
1. A laundry treating apparatus comprising:
a cabinet;
a tub configured to receive water;
a drum rotatably disposed in the tub, the drum having an open surface configured to receive laundry therethrough and a bottom surface located at an opposite side of the open surface;
a water supply configured to supply water to the tub;
a drain configured to drain water in the tub to an outside of the cabinet;
a rotator rotatably disposed inside the drum; and
a controller configured to control rotation of the rotator,
wherein the rotator comprises:
a bottom portion disposed at the bottom surface of the drum,
a pillar that protrudes from the bottom portion toward the open surface of the drum, and
a flow-forming part comprising a plurality of blades that are spaced apart from one another along a circumferential direction of the pillar, each of the plurality of blades having a helical shape and extending in a direction from the bottom portion toward the open surface of the drum along a longitudinal direction of the pillar, and wherein the controller is configured to:
control the rotator to perform a first rotation operation for generating an ascending water flow in the drum,
control the rotator to perform a second rotation operation for generating a descending water flow in the drum, and
control the rotator to alternately repeat the first rotation operation and the second rotation operation.