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:
Dec. 01, 2020

Filed:

Nov. 29, 2018
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Kietak Hyun, Seoul, KR;

Seungyeop Lee, Seoul, KR;

Hyukjin Ahn, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01); A47L 9/16 (2006.01); B04C 5/04 (2006.01); B04C 5/185 (2006.01); B04C 5/26 (2006.01); B04C 5/28 (2006.01); B01D 45/16 (2006.01); B01D 45/12 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1625 (2013.01); A47L 9/1641 (2013.01); A47L 9/1683 (2013.01); B01D 45/12 (2013.01); B01D 45/16 (2013.01); B04C 5/04 (2013.01); B04C 5/185 (2013.01); B04C 5/26 (2013.01); B04C 5/28 (2013.01); B01D 50/002 (2013.01);
Abstract

A vacuum cleaner includes a first cyclone configured to separate dust from air introduced together with foreign objects from a lower side thereof and discharge the separated dust to a first dust storage chamber through an outlet provided at an upper portion thereof, a plurality of second cyclones arranged on an inner circumferential surface of the case and configured to separate fine dust from air which has passed through the first cyclone and discharge the separated fine dust to a second dust storage chamber differentiated from the first dust storage chamber, and a lower configured to form bottom surfaces of the first dust storage chamber and the second dust storage chamber.


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