US 11,898,777 B2
Air cleaner
Sangjin Park, Seoul (KR); Dooyeong Kwak, Seoul (KR); and Naehyun Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Dec. 2, 2021, as Appl. No. 17/540,325.
Claims priority of application No. 10-2020-0174405 (KR), filed on Dec. 14, 2020; application No. 10-2021-0000533 (KR), filed on Jan. 4, 2021; and application No. 10-2021-0025730 (KR), filed on Feb. 25, 2021.
Prior Publication US 2022/0186950 A1, Jun. 16, 2022
Int. Cl. B01D 46/00 (2022.01); F24F 8/10 (2021.01); F24F 8/22 (2021.01); F24F 8/80 (2021.01); F24F 13/28 (2006.01); F24F 110/64 (2018.01)
CPC F24F 8/22 (2021.01) [B01D 46/0002 (2013.01); B01D 46/0005 (2013.01); B01D 46/0027 (2013.01); F24F 8/10 (2021.01); F24F 8/80 (2021.01); F24F 13/28 (2013.01); F24F 2110/64 (2018.01)] 21 Claims
OG exemplary drawing
 
1. An air cleaner, comprising:
a housing including a suction inlet through which air is suctioned from outside of the air cleaner and a discharge outlet through which air is discharged outside of the air cleaner;
a flow converter disposed on a top surface of the housing that changes a flow direction of air;
a guide that guides a direction of the flow converter;
a sterilizer that sterilizes air suctioned into the air cleaner;
a filter assembly that filters the air suctioned into the air cleaner;
a blower that blows air;
a dust sensor assembly that senses an amount of dust contained in the air suctioned into the air cleaner;
a battery that supplies power;
a frame disposed inside of the housing that accommodates the sterilizer, the filter assembly, the blower, the dust sensor assembly, and the battery therein; and
an inner housing interposed between the housing and the frame, wherein a first portion of the inner housing is fixed to the housing, and a second portion thereof is slidably coupled to the frame, and wherein the frame is configured to move in the housing in a first direction to be closer to the flow converter or in a second direction away from the flow converter by sliding of the inner housing.