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. 13, 2022

Filed:

Nov. 20, 2019
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Sanghyuk Son, Seoul, KR;

Seokho Choi, Seoul, KR;

Jaehyuk Jung, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2022.01); B01D 46/64 (2022.01); F04D 29/54 (2006.01); F24F 8/10 (2021.01); F04D 25/06 (2006.01); F24F 8/108 (2021.01);
U.S. Cl.
CPC ...
F24F 8/10 (2021.01); B01D 46/0049 (2013.01); B01D 46/64 (2022.01); F04D 25/0606 (2013.01); F04D 29/547 (2013.01); B01D 2279/50 (2013.01); F24F 8/108 (2021.01);
Abstract

An air cleaner includes a fan that is configured to suck air in an axial direction and discharge air between the axial direction and a radial direction. The air cleaner further includes a fan motor that is configured to rotate the fan. The air cleaner further includes an air guide unit that includes a cylindrical outer wall and an inner wall that is located in a center portion of the outer wall and that defines a space that is configured to receive the fan motor. The air guide unit defines an annular air flow path that is configured to receive air discharged by the fan and that is defined by an inner circumferential surface of the outer wall and an outer circumferential surface of the inner wall. The air guide unit further includes a plurality of guide ribs. The air guide unit further includes a plurality of flow guide protrusions.


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