US 11,786,625 B2
Air decontamination and self-renewing purification system utilizing a filter
Sissi Liu, Arlington, MA (US); Elijah Shirman, Winchester, MA (US); and Tanya Shirman, Winchester, MA (US)
Assigned to Metalmark Innovations PBC, Cambridge, MA (US)
Filed by Metalmark Innovations, PBC, Cambridge, MA (US)
Filed on Mar. 30, 2022, as Appl. No. 17/709,069.
Claims priority of provisional application 63/304,384, filed on Jan. 28, 2022.
Claims priority of provisional application 63/271,326, filed on Oct. 25, 2021.
Claims priority of provisional application 63/216,897, filed on Jun. 30, 2021.
Prior Publication US 2023/0001039 A1, Jan. 5, 2023
Int. Cl. A61L 9/16 (2006.01); A61L 9/20 (2006.01); B01D 46/66 (2022.01); B01D 39/16 (2006.01); B01D 39/20 (2006.01); B01D 46/00 (2022.01)
CPC A61L 9/16 (2013.01) [A61L 9/205 (2013.01); B01D 39/1607 (2013.01); B01D 39/2041 (2013.01); B01D 46/0028 (2013.01); B01D 46/0036 (2013.01); B01D 46/785 (2022.01); A61L 2209/111 (2013.01); A61L 2209/12 (2013.01); A61L 2209/14 (2013.01); A61L 2209/21 (2013.01); A61L 2209/22 (2013.01); B01D 2239/0442 (2013.01); B01D 2239/0492 (2013.01); B01D 2273/30 (2013.01); B01D 2279/50 (2013.01); B01D 2279/65 (2013.01)] 57 Claims
OG exemplary drawing
 
1. An air treatment system comprising:
a conduit extending between an inlet and an outlet, wherein the inlet is configured to allow entry of ambient air from an environment into the conduit and the outlet is configured to allow exit of treated air from the conduit;
a fibrous filter disposed within the conduit and comprising a plurality of fibers for capturing particulate contaminants in the ambient air, thereby generating the treated air, wherein the capture of the plurality of particulate contaminants by the plurality of fibers over time results in an increase in a pressure differential between the inlet and the outlet; and
a renewal unit disposed within the conduit and configured to renew the filter via transfer of energy to the filter to cause release of at least a portion of contaminants in the filter so as to reduce said pressure differential below a threshold.