| 摘要 |
A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement comprising: a motor (16) coupled to a fan (18) for generating air flow; a cyclonic separation apparatus (8) located in a path of the air flow generated by the fan; and a pre-fan filter (40) located in the path of the air flow downstream of the cyclonic separation apparatus and upstream of the fan (18), wherein the cyclonic separation apparatus comprises at least one cyclone (84) comprising: a cyclone body (85,86) with a longitudinal axis (57); an air inlet port (88) arranged tangentially through a side of the cyclone body; and an air outlet port (56) through a longitudinal end of the cyclone body, wherein the pre-fan filter (40) is arranged upon the air outlet port of the or each cyclone.
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