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:
Feb. 14, 2017

Filed:

Sep. 22, 2014
Applicants:

Jiangsu Midea Cleaning Appliances Co., Ltd., Suzhou, CN;

Midea Group Co., Ltd., Beijiao, CN;

Inventors:

Youwei Gu, Suzhou, CN;

Junying Niu, Suzhou, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 45/12 (2006.01); A47L 9/16 (2006.01); B01D 45/16 (2006.01); B01D 50/00 (2006.01); B01D 45/08 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1616 (2013.01); A47L 9/165 (2013.01); A47L 9/1608 (2013.01); A47L 9/1633 (2013.01); B01D 45/08 (2013.01); B01D 45/12 (2013.01); B01D 45/16 (2013.01); B01D 50/002 (2013.01);
Abstract

A cyclonic separating device includes: a first cyclonic separator defining a first longitudinal axis; a plurality of second cyclonic separators located downstream of the first cyclonic separator, arranged circumferentially around the first longitudinal axis in parallel, and integrally received in the first cyclonic separator; an inlet passage at least partially received in the first cyclonic separator; a guiding passage communicated with the inlet passage and the first cyclonic separator respectively, in which a fluid introduced through the inlet passage is tangentially guided into the first cyclonic separator by the guiding passage. In addition, a surface cleaning apparatus, a cleaner and a method for separating dust from a dust containing air using the cyclonic separating device are further provided.


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