DEVICE FOR SUPPRESSION OF FAN MOTOR NOISE IN VACUUM CLEANER Russian patent published in 2009 - IPC A47L9/00 A47L9/22 

FIELD: personal demand items.

SUBSTANCE: invention is related to device for suppression of fan motor noise in vacuum cleaner. Device comprises cylindrical fan motor, having drive unit with electric motor for creation of rotary force and impeller unit rotated by means of rotary force developed by drive unit with electric motor, to front part of which air is sucked. Jacket is arranged around fan motor for installation of fan motor and is equipped with air holes for air exhaust in side direction of fan motor. Drive unit with electric motor has a unit of brush holder, which protrudes from its external surface, and jacket comprises inserted part for installation of brush holder unit in it.

EFFECT: reduction of noise generated by vacuum cleaner by provision of obstacle to its spreading beyond the limits of vacuum cleaner.

9 cl, 5 dwg