	US 12,455,086 B2
	Air purifier
Lars Henrik Dunberger, Stockholm (SE)
Assigned to BLUEAIR AB, Stockholm (SE)
Appl. No. 17/769,894
Filed by Blueair AB, Stockholm (SE)
PCT Filed Oct. 19, 2020, PCT No. PCT/EP2020/079380 § 371(c)(1), (2) Date Apr. 18, 2022, PCT Pub. No. WO2021/078688, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 19204294 (EP), filed on Oct. 21, 2019; application No. 19204299 (EP), filed on Oct. 21, 2019; and application No. 19204301 (EP), filed on Oct. 21, 2019.
Prior Publication US 2022/0275955 A1, Sep. 1, 2022
Int. Cl. F24F 8/30 (2021.01); B01D 46/00 (2022.01); B03C 3/12 (2006.01); B03C 3/155 (2006.01); B03C 3/36 (2006.01); F24F 8/10 (2021.01)

CPC F24F 8/30 (2021.01) [B01D 46/0049 (2013.01); B03C 3/12 (2013.01); B03C 3/155 (2013.01); B03C 3/368 (2013.01); F24F 8/10 (2021.01); B01D 2273/30 (2013.01)]

10 Claims

1. An air purifier comprising at least one removable particulate filter, a fan or an impeller and a motor for driving said fan or impeller, a top and, opposite thereto, a base and means for elevating said base from the ground, at least one side surface connecting said top and base, a base air intake disposed on said base and facing the ground in a working configuration, a top air intake on said top and facing away from the ground in a working configuration, and a pair of opposing air outlets, and wherein said top and base are rectangular or square in form and comprises four side surfaces connecting said top and base, and wherein the air outlets are disposed on two opposing side surfaces.