CLEANING DEVICE, IN PARTICULAR FOR ROBOT VACUUM CLEANERS Russian patent published in 2024 - IPC A47L9/02 

FIELD: household appliances.

SUBSTANCE: invention relates to devices for cleaning surfaces, in particular to vacuum cleaners. Proposed device comprises rotary brush with blades, suction section of air channel and flat nozzle. Between the flat nozzle and the rotating brush body there is a curvilinear element forming a convex surface of movement, which is connected on one side with the flat nozzle, which extends behind the inlet of the flat nozzle with a rounded approach to the surface to be cleaned and ends on the other side with a rear edge which is a part of the body of the rotating brush.

EFFECT: higher cleaning efficiency from various types of contamination by providing high velocity airflow directly to the floor surface.

12 cl, 19 dwg