NOZZLE FOR VACUUM CLEANER Russian patent published in 2022 - IPC A47L9/02 

Abstract RU 2768778 C1

FIELD: household appliances.

SUBSTANCE: nozzle (N) for a vacuum cleaner, comprising an air inlet area (AIA) having a front boundary (FEB), wherein the front boundary (FEB) has a predetermined number of front openings (FO), and front guide elements (FGE) having a surface at an angle to boundary (FEB) to guide mud towards the front holes (FO), with the holes left by the front guides aligned with the front holes (FO), and the width of the holes left by the front guides (FGE) does not exceed 300% of the width of the front holes (FO). The anterior border (FEB) preferably has 4 to 6 anterior openings. The size of the front openings is preferably 5x5 mm2 to 7x7 mm2.

EFFECT: vacuum cleaner improvement.

15 cl, 1 dwg

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RU 2 768 778 C1

Authors

Klejne-Dupke, Bastian Kornelis

Al-Shorakhi, Albert

Dates

2022-03-24Published

2020-01-10Filed