US 12,264,844 B2
Air purification device
Joaquim Llorente Alonso, Barcelona (ES); Moises Caballero Tapia, Barcelona (ES); and Alba Graus Ferrer, Barcelona (ES)
Assigned to ZOBELE HOLDING SPA, Trento (IT)
Appl. No. 16/972,092
Filed by ZOBELE HOLDING SPA, Trento (IT)
PCT Filed Jun. 7, 2019, PCT No. PCT/EP2019/064973
§ 371(c)(1), (2) Date Dec. 4, 2020,
PCT Pub. No. WO2019/234230, PCT Pub. Date Dec. 12, 2019.
Claims priority of application No. P201830555 (ES), filed on Jun. 7, 2018.
Prior Publication US 2021/0222896 A1, Jul. 22, 2021
Int. Cl. F24F 8/10 (2021.01); A61L 9/12 (2006.01); F24F 13/28 (2006.01)
CPC F24F 8/10 (2021.01) [A61L 9/122 (2013.01); F24F 13/28 (2013.01); A61L 2209/111 (2013.01); A61L 2209/12 (2013.01); A61L 2209/133 (2013.01); A61L 2209/14 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An air purification device comprising a casing (1) that houses a fan (2) and a filter (3) placed in front of said fan (2), such that air passes through said filter (3) and exits the casing (1) by means of said fan (2), wherein in that said filter (3) is placed in a replaceable part (4) mounted in a detachable way in said casing (1), said replaceable part (4) comprising material with volatile substances (5), and
said casing (1) comprises an inlet (6) for providing volatile substances into said fan (2) and a chamber (7) for said volatile substances;
wherein the filter (3) and inlet (6) are provided in independent channels, wherein the filter (3) is positioned in a main axis of flow with the fan (2) to provide filtered air and the inlet (6) is provided in a secondary channel, independent of the main axis of flow, and in communication with the chamber (7) to provide volatile substance to be mixed with the filtered air.