US 12,263,435 B2
Air cleaner
Joonmin Park, Seoul (KR); Taeman Yang, 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. 17/371,699.
Claims priority of application No. 10-2020-0085476 (KR), filed on Jul. 10, 2020.
Prior Publication US 2022/0032222 A1, Feb. 3, 2022
Int. Cl. B01D 46/42 (2006.01); B01D 46/00 (2022.01); F24F 3/16 (2021.01); F24F 11/79 (2018.01); F24F 13/08 (2006.01); F24F 13/20 (2006.01)
CPC B01D 46/0047 (2013.01) [B01D 46/42 (2013.01); F24F 3/16 (2013.01); F24F 11/79 (2018.01); F24F 13/082 (2013.01); B01D 2273/30 (2013.01); F24F 2013/205 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An air cleaner comprising:
a blowing device comprising a blowing fan configured to discharge air upward; and
a circulator movably disposed above the blowing device and configured to change a flow direction of the air discharged from the blowing fan,
wherein the circulator comprises:
a housing,
a circulation fan disposed in the housing,
a motor configured to rotate the circulation fan,
a first inlet defined at a rear portion of the housing in a longitudinal direction of a rotational axis of the circulation fan, and
a first outlet defined at a front portion of the housing in the longitudinal direction,
wherein the circulation fan is configured to suction air through the first inlet and to discharge the suctioned air forward through the first outlet,
wherein the blowing device defines a second outlet at an upper surface thereof, the second outlet being configured to discharge air upward from the blowing fan, and
wherein the housing comprises:
a first outer wall that extends in the longitudinal direction and about the rotational axis of the circulation fan, the first outer wall comprising the front portion that defines the first outlet, and
a second outer wall that extends from an edge of the first inlet in a radially outward direction toward the first outer wall, and
wherein the first outer wall and the second outer wall define an entirety of an outer circumferential surface of the circulator in a circumferential direction of the circulator.