US 11,892,194 B2
Air cleaner
Taeman Yang, Seoul (KR); Joonmin Park, Seoul (KR); and Choonmyun Chung, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Jul. 9, 2021, as Appl. No. 17/371,710.
Claims priority of application No. 10-2020-0085480 (KR), filed on Jul. 10, 2020.
Prior Publication US 2022/0010991 A1, Jan. 13, 2022
Int. Cl. F24F 8/10 (2021.01); F24F 3/16 (2021.01); B01D 46/00 (2022.01); F24F 1/028 (2019.01); F24F 8/80 (2021.01); B01D 46/60 (2022.01); B01D 46/24 (2006.01); F24F 7/013 (2006.01); F24F 110/52 (2018.01); F24F 3/00 (2006.01)
CPC F24F 8/10 (2021.01) [B01D 46/0049 (2013.01); B01D 46/2403 (2013.01); B01D 46/60 (2022.01); F24F 1/028 (2019.02); F24F 3/16 (2013.01); F24F 7/013 (2013.01); F24F 8/80 (2021.01); B01D 2273/30 (2013.01); F24F 2003/008 (2013.01); F24F 2110/52 (2018.01)] 18 Claims
OG exemplary drawing
 
1. An air cleaner comprising:
a blower having an outlet formed on an upper side thereof;
a circulator disposed on the blower; and
a mover coupled to the circulator and configured to change an arrangement of the circulator,
wherein the circulator comprises:
a lower cover having a lower plate coupled to the mover, and having an inlet formed around the lower plate;
an upper cover disposed above the lower cover and having an outlet;
a blower fan rotatably disposed between the lower cover and the upper cover, having a circular inlet formed on a lower side and an annular outlet formed on an upper side, and including a suction guider having a cylindrical shape and extending downwardly from a circumference of the circular inlet;
a motor disposed on an upper side of the lower plate and rotating the blower fan;
an inner cover disposed over the lower cover and receiving a lower portion of the blower fan,
wherein the inner cover comprises:
an inner plate having an inlet formed therein; and
a bell mouth protruding upwardly from an inner circumferential end of the inner plate and spaced apart outwardly from a circumferential surface of the suction guider.