The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 12, 2026

Filed:

Sep. 30, 2022
Applicants:

Qingdao Haier Washing Machine Co., Ltd., Shandong, CN;

Haier Smart Home Co., Ltd., Shandong, CN;

Inventors:

Yanfen Lv, Shandong, CN;

Sheng Xu, Shandong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06F 39/10 (2006.01); B01D 33/073 (2006.01); B01D 33/46 (2006.01); C02F 1/00 (2023.01); C02F 103/00 (2006.01); D06F 39/20 (2024.01);
U.S. Cl.
CPC ...
D06F 39/10 (2013.01); B01D 33/073 (2013.01); B01D 33/46 (2013.01); C02F 1/001 (2013.01); D06F 39/20 (2024.01); B01D 2201/34 (2013.01); C02F 2103/002 (2013.01); C02F 2201/004 (2013.01); C02F 2303/16 (2013.01); C02F 2307/12 (2013.01);
Abstract

A filtering device and a washing machine. The filtering device includes: a filtering cavity, which has a water inlet, a filtered water outlet and a sewage outlet for discharging filtered impurities. A filtering mechanism is inside the filtering cavity, to filter the water entering the filtering cavity. A blocking mechanism separates the inside of the filtering cavity into a first space and a second space. The water inlet is communicated to the first space, and the filtered water outlet is connected to the first space. The cleaning particles are in the first space in the filtering cavity. The cleaning particles can prevent the deposition of filtered impurities during the filtration process and avoid clogging of the filtering device. The blocking mechanism can prevent the cleaning particles from entering the second space, and from flowing out with the water flow from the filtered water outlet or the sewage outlet.


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