| 摘要 |
A vacuum cleaner includes a housing having a nozzle assembly and a canister assembly. A suction inlet is carried on the nozzle assembly. A dirt cup receiver is carried on the canister assembly. A suction generator is carried on the housing. The vacuum cleaner also includes a dirt cup assembly including (1) a dirt collection chamber having a first cylindrical sidewall and a tangentially directed inlet, (2) a first axially directed outlet, (3) a primary filter covering that outlet, (4) an air spreader, (5) a first feed passageway extending between the outlet and the spreader and (6) a secondary fine particle filter including multiple vortex chambers.
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