METHOD AND APPARATUS FOR CENTRIFUGALLY PRECLEANING AIR

摘要

An air precleaner and method for centrifugally ejecting heavier-than-air particulate debris from an air stream utilizes a circular separator chamber (5) formed with a toroidal dome for smooth airflow transition of the vortex airflow moving through the separator chamber (5) in a cyclonic pattern upwardly from an inlet (2) in a base (33) of the precleaner past a debris ejection duct (25) where it is folded over by the toroidal dome for whirlpooling down to an outlet (29) in the base radially inwardly of and through the upwardly moving votex airflow. A particle accelerator assembly (16) includes a plurality of appendages (52) that arc back from a central hub (36) in s swept-back attitude relative to a direction of the vortex airflow.