US 11,938,433 B2
Air cleaner
Yeongcheol Mun, Seoul (KR); Hyunpil Ha, Seoul (KR); Soonki Jung, Seoul (KR); Jaekyun Park, Seoul (KR); and Soohyun Bae, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Aug. 24, 2022, as Appl. No. 17/894,694.
Application 17/894,694 is a continuation of application No. 16/687,941, filed on Nov. 19, 2019, granted, now 11,452,961.
Application 16/687,941 is a continuation of application No. 15/363,438, filed on Nov. 29, 2016, granted, now 10,518,205, issued on Dec. 31, 2019.
Claims priority of application No. 10-2016-0023663 (KR), filed on Feb. 26, 2016; application No. 10-2016-0074369 (KR), filed on Jun. 15, 2016; and application No. 10-2016-0139376 (KR), filed on Oct. 25, 2016.
Prior Publication US 2022/0401867 A1, Dec. 22, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 46/00 (2022.01); A61L 9/22 (2006.01); B01D 46/24 (2006.01); B01D 46/44 (2006.01); B01D 46/58 (2022.01); F24F 8/10 (2021.01); F24F 13/20 (2006.01); F24F 13/28 (2006.01)
CPC B01D 46/0047 (2013.01) [A61L 9/22 (2013.01); B01D 46/0005 (2013.01); B01D 46/0008 (2013.01); B01D 46/24 (2013.01); B01D 46/2403 (2013.01); B01D 46/442 (2013.01); B01D 46/58 (2022.01); F24F 8/10 (2021.01); F24F 13/20 (2013.01); F24F 13/28 (2013.01); A61L 2209/111 (2013.01); A61L 2209/14 (2013.01); B01D 2273/30 (2013.01); F24F 2013/205 (2013.01); F24F 2013/207 (2013.01); F24F 2221/12 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An air cleaning module, comprising:
a base configured to be placed on a ground;
a filter frame disposed on the base and forming a mounting space into which a cylindrical filter is inserted and removed;
a fan housing accommodating a fan and a fan motor therein, the fan housing being disposed above the filter frame;
a discharge guide forming an outer appearance of an upper portion of the air cleaning module; and
a case having a cylindrical shape and forming an outer appearance of an outer circumferential surface of the air cleaning module to surround the fan housing and the filter frame, the case being positioned to be radially spaced apart from the fan housing, wherein the case includes:
a first part and a second part having a same shape;
a separation portion forming end portions of the first part and the second part along a vertical direction; and
a suction inlet having a plurality of suction portions, the suction inlet extending along a length of the case surrounding the fan housing and the filter frame,
wherein the first part and the second part are detachably coupled to each other at the separation portion, and
wherein the filter frame is provided inside of the case such that the cylindrical filter is removed from the mounting space in a radial direction, when the first part and the second part are detached from each other and disassembled from the air cleaning module.