Versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner

摘要

#$%^&*AU2016200073B220180322.pdf#####H:'dcrInierwov enNRPortblDCCDER9265320_ .doc.-6/0/216 ABSTRACT A versatile compact air precleaner for separating heavier-than-air particulate debris from debris laden air to provide a clean airflow, the air precleaner comprising: 5 a flow path extending through the air precleaner from an inlet to an outlet, a motor-driven fan with a fan blade to draw particulate debris laden air into the inlet and flow the debris laden air along the flow path, air flow management structure positioned along the flow path to rotate debris laden air drawn into the inlet about an axis to form a rotating flow that stratifies the debris laden 10 air with the heaviest particles in the outermost orbits of the rotating flow, a separator chamber in the flow path for centrifugally separating and removing debris laden air from the rotating flow, at least one ejector port through which particulate debris laden air is ejected from the rotating flow in the separator chamber, 15 wherein the flow path for air passing through the separator chamber is retroflexed en route to the outlet.1/10 PC-' 7Y 00 '-o