DIFFUSER Russian patent published in 2019 - IPC A45D20/12 

FIELD: machine building.

SUBSTANCE: diffuser includes a deflector comprising an inlet end for air, an outlet end for air and an outwardly expanding wall which extends between an inlet end for air and an outlet end for air and which defines a dissipating air chamber, and a grid connected to the deflector, wherein the grid includes a plurality of air outlets. Inlet air end of the deflector comprises an inlet for air and a drain channel, which is located at a distance from the inlet for air and which is configured to receive water, trapped in air chamber through outlet holes for air.

EFFECT: drain channel comprises drain holes for water discharge from air inlet.

13 cl, 14 dwg