US 12,134,062 B2
Portable air purifier
Ji Eun Choi, Seoul (KR); Hyungho Park, Seoul (KR); and Seongkyeol Hong, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Oct. 22, 2021, as Appl. No. 17/508,169.
Claims priority of application No. 10-2020-0174528 (KR), filed on Dec. 14, 2020; and application No. 10-2020-0188335 (KR), filed on Dec. 30, 2020.
Prior Publication US 2022/0184543 A1, Jun. 16, 2022
Int. Cl. B01D 46/84 (2022.01); A61L 9/20 (2006.01); B01D 46/00 (2022.01); B01D 46/24 (2006.01); B01D 46/42 (2006.01)
CPC B01D 46/84 (2022.01) [A61L 9/20 (2013.01); B01D 46/0002 (2013.01); B01D 46/0049 (2013.01); B01D 46/24 (2013.01); B01D 46/4218 (2013.01); A61L 2209/12 (2013.01); A61L 2209/14 (2013.01); A61L 2209/15 (2013.01); B01D 2273/30 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A portable air purifier, comprising:
a housing having an inlet forming a passage through which air is suctioned into the housing;
a filter disposed at an upper side of the inlet and configured to purify air suctioned in through the inlet and flowing upward;
an irradiator disposed at a lower side of the filter, installed at a height at which the irradiator overlaps the inlet and configured to irradiate light for sterilization onto the filter; and
a sterilizer support configured to support the irradiator and configured to be fixed to the housing and disposed around an outer perimeter of the irradiator, wherein the irradiator comprises:
a printed circuit board supported by the sterilizer support and disposed at the lower side of the filter; and
a sterilizing light source disposed on the printed circuit board and configured to irradiate light for sterilization onto the filter.