MULTI-CYCLONE APPARATUS AND VACUUM CLEANER WITH SUCH APPARATUS Russian patent published in 2007 - IPC A47L5/00 E01H1/00 

FIELD: multi-cyclone apparatus that may successively separate from sucked air contamination particles and vacuum cleaners with such apparatus.

SUBSTANCE: multi-cyclone apparatus includes first trapping unit for separating large-size contamination particles out of air; housing of cyclones having second cyclone communicating with first trapping unit and third cyclones arranged around second cyclone and communicated with it. Second cyclone separates from sucked air mean-size contamination particles. Third cyclones separate from sucked air small-size contamination particles. Contamination particles receptacle is formed in lower end of housing of cyclones and it collects mean- and small-size contamination particles. First trapping unit includes casing, first discharge window, guide for directing sucked air from suction window and it also includes partition arranged between inner wall of casing and suction window.

EFFECT: enhanced efficiency, simplified design of multi-cyclone dust-separation apparatus.

11 cl, 5 dwg