CLEANING-FREE WATER-SAVING WASHING MACHINE AND CONTROL METHOD THEREFOR

WIPO Patent Application WO/2018/095310

A1

A cleaning-free water-saving washing machine and a control method therefor. The cleaning-free water-saving washing machine comprises an outer drum (100), an inner drum (200) rotatably disposed in the outer drum (100), and an inner drum shaft (702) connected to the inner drum (200) and used for driving the inner drum (200) to rotate. In the washing/rinsing process, the inner drum (200) serves as a water containing drum, and no water exists between the inner drum (200) and the outer drum (100). A water discharging hole (204) is formed in the bottom of the inner drum (200). A water sealing device is disposed on the outer side of the bottom of the inner drum (200) and comprises a water sealing assembly and a pull ring assembly (500) that are separately sleeved outside the inner drum shaft (702). The water sealing assembly is mounted at the bottom of the inner drum (200) and can rotate along with the inner drum (200). The pull ring assembly (500) and the water sealing assembly can be connected in a relatively rotating manner, and the pull ring assembly (500) can pull the water sealing assembly to move along the axial direction of the inner drum (200) to open/close the water discharging hole (204). In the cleaning-free water-saving washing machine, the water discharging hole (204) is formed in the bottom of the inner drum (200), and the opening/closing of the water discharging hole (204) is controlled by means of the water sealing device. In the washing/rinsing process of the washing machine, it is ensured that the inner drum (200) contains water and no water exists between the inner drum (200) and the outer drum (100).

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LV PEISHI (CN)
ZHANG GANGJIN (CN)
TIAN YUN (CN)
LIU JIANSHE (CN)
ZHOU CHUNXIA (CN)

PCT/CN2017/112093

May 31, 2018

November 21, 2017

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QINGDAO HAIER WASHING MACH CO (CN)

D06F37/12; D06F39/08

CN107268236A	2017-10-20
CN106637795A	2017-05-10
CN106757963A	2017-05-31
CN107190457A	2017-09-22
CN103898708A	2014-07-02
GB2242444A	1991-10-02

BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)

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