US 12,440,077 B2
Anti-bacterial cleaning machine with wet filter
Luigi Amoretti, Mussolente (IT)
Assigned to TPA IMPEX S.P.A., Romano d'Ezzelino (IT)
Appl. No. 17/765,913
Filed by TPA IMPEX S.P.A., Romano d'Ezzelino (IT)
PCT Filed Oct. 1, 2020, PCT No. PCT/IT2020/050241
§ 371(c)(1), (2) Date Apr. 1, 2022,
PCT Pub. No. WO2021/064761, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 102019000017915 (IT), filed on Oct. 3, 2019.
Prior Publication US 2022/0369876 A1, Nov. 24, 2022
Int. Cl. A47L 7/00 (2006.01); A47L 7/04 (2006.01); A47L 9/18 (2006.01)
CPC A47L 7/0061 (2013.01) [A47L 7/04 (2013.01); A47L 9/181 (2013.01); A47L 9/185 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An antibacterial cleaning machine with wet filter that comprises a container body inside which are disposed:
at least one motor group for aspirating flows of air and debris from outside;
at least one internal path of the flows of air and debris that comprises an inlet, an outlet, and conveying means;
at least one first tank which contains a first volume of liquid in which said conveying means are at least partly immersed, said first tank being arranged along a passage path between said inlet and outlet;
wherein said first tank includes at least one sanitizing element comprising at least one ring-shaped three-dimensional body made of silver or silver alloy which is positioned immersed in said first volume of liquid,
wherein the sanitizing element is removably fixed by removable fixing means including:
a bolt passing through said conveying means and on the shank of which said ring-shaped three-dimensional body is engaged, and
a tightening knob which is screwed onto said bolt to contrast said ring-shaped three-dimensional body.