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.
Patent No.:
Date of Patent:
Dec. 08, 2020
Filed:
Mar. 28, 2019
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 45/12 (2006.01); B01D 50/00 (2006.01); A47L 9/16 (2006.01); A47L 9/10 (2006.01); A47L 5/36 (2006.01); B01D 46/24 (2006.01); B01D 45/16 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1608 (2013.01); A47L 5/362 (2013.01); A47L 9/108 (2013.01); A47L 9/165 (2013.01); A47L 9/1633 (2013.01); A47L 9/1641 (2013.01); A47L 9/1666 (2013.01); A47L 9/1683 (2013.01); B01D 45/12 (2013.01); B01D 46/24 (2013.01); B01D 45/16 (2013.01); B01D 46/2403 (2013.01); B01D 50/002 (2013.01); B01D 2279/55 (2013.01);
Abstract
A vacuum cleaner, including a cleaner body; and a dust collector provided in the cleaner body, wherein the dust collector includes a first cyclone provided within an outer case to filter foreign matter and dust from air introduced into the dust collector; a second cyclone accommodated within the first cyclone to separate fine dust from the air introduced into the first cyclone; a screw provided at a lower side of and surrounding the first cyclone, and having at least one vane spirally extended along a flow direction of the air introduced into the outer case to induce the inflow of foreign matter and dust filtered by the first cyclone into a first storage section.