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:
Jun. 27, 2023

Filed:

Dec. 31, 2021
Applicants:

Beijing Shunzao Technology Co., Ltd., Beijing, CN;

Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;

Inventors:

Cheng Tang, Beijing, CN;

Fei Duan, Beijing, CN;

Liang Zhong, Beijing, CN;

Peiheng Zhu, Beijing, CN;

Yuan Lv, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/16 (2006.01); A47L 9/32 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1641 (2013.01); A47L 9/1608 (2013.01); A47L 9/322 (2013.01);
Abstract

A cyclonic separating device includes first and second cyclonic separating units. The first cyclonic separating unit is fitted over the second cyclonic separating unit. The second cyclonic separating unit includes first cyclones and second cyclones respectively arranged in a ring shape. Dust falling ends of the first cyclones define an accommodation space therebetween. The second cyclones partially extend into the accommodation space. Each first cyclone comprises first, second and third cone sections, each of which has a cone structure; airflow sucked in the first cyclones is sequentially separated by the first, second and third cone sections, and dust in the airflow is discharged from the third cone section; a central axis of the first cone section is parallel to a longitudinal axis of the dust cup; and an angle between a central axis of the second cone section and a central axis of the third cone section is 5°-20°.


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