US 11,739,959 B2
Air purification device and method for controlling same
Jang-pyo Park, Hwaseong-si (KR); Yong-won Jeong, Seoul (KR); Jae-hong Kim, Incheon (KR); Sang-hun Lee, Yongin-si (KR); Jeong-eun Lee, Seongnam-si (KR); and Hye-jung Cho, Uiwang-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 16/628,378
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Jul. 19, 2018, PCT No. PCT/KR2018/008153
§ 371(c)(1), (2) Date Jan. 3, 2020,
PCT Pub. No. WO2019/050154, PCT Pub. Date Mar. 14, 2019.
Claims priority of provisional application 62/554,308, filed on Sep. 5, 2017.
Claims priority of application No. 10-2018-0025738 (KR), filed on Mar. 5, 2018.
Prior Publication US 2020/0182495 A1, Jun. 11, 2020
Int. Cl. F24F 8/80 (2021.01); F24F 13/28 (2006.01); F24F 8/10 (2021.01); F24F 110/50 (2018.01); F24F 11/56 (2018.01); F24F 13/20 (2006.01); F24F 6/00 (2006.01); F24F 8/22 (2021.01)
CPC F24F 8/80 (2021.01) [F24F 8/10 (2021.01); F24F 13/28 (2013.01); F24F 8/22 (2021.01); F24F 11/56 (2018.01); F24F 13/20 (2013.01); F24F 2006/008 (2013.01); F24F 2013/205 (2013.01); F24F 2110/50 (2018.01)] 10 Claims
OG exemplary drawing
 
1. An air purifier comprising:
a plurality of filters arranged in a cylinder shape;
a driver configured to individually move the plurality of filters along a circular path disposed in the air purifier; and
a processor configured to control the driver so that at least two of the plurality of filters is disposed in an air passage in the air purifier according to an air state,
wherein:
the plurality of filters comprises a first filter and a second filter,
the first filter and the second filter are movable along a different circular path, and
based on disposing the first filter and the second filter in the air passage, inhaled air is filtered by the first filter and the air filtered by the first filter is filtered by the second filter.