US 11,739,960 B2
Air purifier and air purifying system
Jiyoung Kang, Seoul (KR); Haeyoong Chung, Seoul (KR); Jongkeon Jeon, Seoul (KR); David Kangseong Lee, Seoul (KR); Daeyoung Kwak, Seoul (KR); and Sohee Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR); and CHUNGANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION, Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR); and CHUNGANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION, Seoul (KR)
Filed on Mar. 17, 2020, as Appl. No. 16/821,806.
Claims priority of application No. 10-2019-0031449 (KR), filed on Mar. 19, 2019; and application No. 10-2019-0091545 (KR), filed on Jul. 29, 2019.
Prior Publication US 2020/0298158 A1, Sep. 24, 2020
Int. Cl. B01D 46/24 (2006.01); B01D 46/58 (2022.01); F24F 8/10 (2021.01); F24F 8/80 (2021.01); F24F 1/0071 (2019.01); F24F 1/0073 (2019.01); B01D 46/00 (2022.01); B01D 46/42 (2006.01); F24F 8/108 (2021.01)
CPC F24F 8/80 (2021.01) [B01D 46/0004 (2013.01); B01D 46/24 (2013.01); B01D 46/4227 (2013.01); B01D 46/58 (2022.01); F24F 1/0073 (2019.02); F24F 8/108 (2021.01); B01D 2267/30 (2013.01); B01D 2279/50 (2013.01); F24F 2221/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An air purifier, comprising:
a main air purifier having a top and a bottom with a fan and a filter provided between the top and the bottom, the top having a seating surface; and
a first secondary air purifier having a first fan, a first filter, and a first base configured to be seated on the seating surface of the main air purifier,
wherein the main air purifier is longer in a horizontal direction than in a vertical direction, and the first secondary air purifier is longer in the vertical direction than in the horizontal direction,
wherein the main air purifier includes at least two of the fans disposed in a horizontal direction.