NOZZLE FOR VACUUM CLEANER Russian patent published in 2012 - IPC A47L9/02 

FIELD: personal use articles.

SUBSTANCE: invention relates to a nozzle for a vacuum cleaner. Nozzle for a vacuum cleaner containing a casing containing an upper casing and lower casing and having a suction opening, made in the bottom part of the lower casing, the brush of the drum type containing a set of bristles located on its outer peripheral surface, and located rotatably in the interior of the casing with software of impact surface to be cleaned with a bristle, the fan is located in the interior providing impact of the bristles with the cleaned surface, a fan located in the interior space of the casing with the ability to rotate by the air sucked through the suction opening, and creation of rotational force for the said brush, and a flap mounted adjacent to the front part of the fan with the provision of shielding the most part of the fan except for its driving part, and the fan comprises a circular body, the axial element, extending from the central part of a circular housing of the fan and a blade, made on a circular housing of the fan, and the inner edge of each blade is located at a distance from the axial element to ensure the passage of the sucked air through the space formed between the inner edge of each blade and the axial element, wherein the said valve has a straight portion parallel to the tangent line to the outer peripheral surface of a circular housing of the fan, and a curved portion diverging from the bottom part of the straight portion and curved in the direction of the fan drive.

EFFECT: noise attenuation, formed by a fan, which actuates the brush of the drum type, without deteriorating operational parameters of the fan.

19 cl, 9 dwg