DRUM WASHING MACHINE

WIPO Patent Application WO/2022/134507

A1

A drum washing machine (1), comprising: a drum (23) arranged in an outer tub (20) and capable of rotating around a horizontal shaft, a driving motor (30) used for enabling the drum (23) to rotate, an ozone water generating device (62) used for generating ozone water, a water draining part (40) used for draining water from the outer tub (20), and a control part used for controlling the operations of the driving motor (30), the ozone water generating device (62) and the water draining part (40). The control part executes multiple ozone cleaning processes with a water draining process and a dewatering process being performed between every two ozone cleaning processes. During the ozone cleaning processes, the ozone water generated by the ozone water generating device (62) is stored in the outer tub (20), and the drum (23) containing laundry is enabled to rotate by means of the driving motor (30). During the water draining process, the ozone water is drained from the outer tub (20) by means of the water draining part (40). During the dewatering process, the drum (23) is enabled to rotate by means of the driving motor (30) to perform dewatering on the laundry in the drum (23).

OKUBO QINGJIA (JP)
TOBI YUKIO (JP)
TAKEMURA YUI (JP)

PCT/CN2021/101696

June 30, 2022

June 23, 2021

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QINGDAO HAIER WASHING MACH CO (CN)
AQUA CO LTD (JP)
HAIER SMART HOME CO LTD (CN)

D06F35/00

CN103556429A	2014-02-05
CN110438732A	2019-11-12
CN111235827A	2020-06-05
CN108004717A	2018-05-08
CN202298239U	2012-07-04
US20110048078A1	2011-03-03

BEYOND ATTORNEYS AT LAW (CN)

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