| 摘要 |
An air precleaner (10) has a base assembly (12) a dome-shaped hood (18), and a rotor assembly (20). The base assembly (12) includes an inner circumferential wall (24) and an outer circumferential wall (22), the inner circumferential wall (24) defining an air outlet port (16). Angled web supports (28) connect the outer circumferential wall (22) to the inner circumferential wall (24) and their arrangement forms air inlet ports (14) that direct air upon the rotor assembly (20). The rotor assembly (20) includes a hub (64) that has arms (66) extending outward therefrom, each of the arms (66) including a first blade (68) a second blade (70) descending at right angles from the first blade (68), and a tab (72). Air incident upon the arms (6) causes rotation of the hub (64), the arms (66) flinging particulates outward. A gap (62) is formed at the interface between the base assembly (12) and the hood (18) that is positioned above the base assembly (12) and that encloses the precleaner (10). Particulates flung outward by the arms (66) are discharged through the gap (62).
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