US 12,031,256 B2
Clothes treatment apparatus
Jin Woo So, Wuxi (CN); and Yugao Xu, Wuxi (CN)
Assigned to WUXI LITTLE SWAN ELECTRIC CO., LTD, Wuxi (CN)
Appl. No. 17/603,948
Filed by WUXI LITTLE SWAN ELECTRIC CO., LTD., Wuxi (CN)
PCT Filed Dec. 24, 2019, PCT No. PCT/CN2019/128056
§ 371(c)(1), (2) Date Oct. 15, 2021,
PCT Pub. No. WO2021/047109, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 201910854432.1 (CN), filed on Sep. 10, 2019.
Prior Publication US 2022/0307183 A1, Sep. 29, 2022
Int. Cl. D06F 29/02 (2006.01); D06F 29/00 (2006.01); D06F 39/08 (2006.01); D06F 58/24 (2006.01)
CPC D06F 29/02 (2013.01) [D06F 29/005 (2013.01); D06F 39/085 (2013.01); D06F 58/24 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A laundry treatment apparatus, comprising:
a laundry drying device provided with a water accumulation tank;
a first drain pipe and a second drain pipe, an inlet of the first drain pipe being in communication with the water accumulation tank;
a drain pump including a water outlet and a water inlet, wherein the water outlet is in communication with the second drain pipe, and the water inlet is in communication with the water accumulation tank; and
a controller configured to control the drain pump to be opened when a water level in the water accumulation tank is higher than a first preset water level, so that water in the water accumulation tank is discharged from the water accumulation tank through the first drain pipe and the second drain pipe, wherein the first preset water level is higher than a height of the inlet of the first drain pipe.