Granted Patent B2

US 12,455,086 · App. 17/769,894 · Granted Oct 28, 2025

Inventor: Lars Henrik Dunberger (Stockholm, SE)

Assignee: BLUEAIR AB

F24F8/30B01D46/0049B03C3/12B03C3/155B03C3/368F24F8/10B01D2273/30

Abstract

Claims (10)

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.

2. The air purifier according to claim 1 wherein the means for elevating said base comprises a leg or stand.

3. The air purifier according to claim 1 further comprising an ioniser.

4. The air purifier according to claim 3 wherein the ioniser is disposed on an exterior surface of said air purifier to ionise air outside the air purifier.

5. The air purifier according to claim 1 further comprising a supporting plate elevated above said top.

6. The air purifier according to claim 1 wherein the at least one removable particulate filter is a HEPA filter.

7. The air purifier according to claim 1 wherein the air purifier further comprises a pair of air flow ducts, and each air flow duct includes an air intake, one fan or one impeller, one removable particulate filter, and an air outlet.

8. The air purifier according to claim 7 wherein the fan or the impeller for each air duct is powered by a single motor.

9. The air purifier according to claim 4 wherein the ioniser on the exterior surface of the air purifier facilitates aggregation of domestic dust particles, the air purifier further comprising an interior ioniser to facilitate capture of the aggregated domestic dust particles by the at least one removable particulate filter.

10. The air purifier according to claim 1 wherein the air purifier has a bottom surface and a top surface and each of the top surface and bottom surface have an aperture to intake air when the fan draws air into the air purifier.

Assignments (3)

Priority Claims (3)

Continuity (1)

References Cited (129)