CENTRIFUGAL AIR CLEANING SYSTEM AND METHOD

摘要

A centrifugal air cleaning system broadly comprises an insert cartridge including a housing, an inlet, one or more flow guides, a stator, a compression nozzle, an expansion nozzle, and an outlet. The flow guides guide air flowing into the inlet past the stator into the compression nozzle. The stator induces a rotational vortex into the air flow. Air with heavier particles in the air flow is urged to the outside of the rotational vortex. Air with lighter particles and cleaner air is urged to the inside of the rotational vortex. The compression nozzle and the expansion nozzle are aligned to cooperatively form an annular exhaust channel. The air with the heavier particles flows through the annular exhaust channel and the air with the lighter particles and the cleaner air flows to the expansion nozzle to the outlet.

主权项

1. A centrifugal air cleaning system comprising:
an insert cartridge comprising:
a housing;an inlet for receiving an HVAC air flow having relatively heavy particles and relatively light particles;a stator positioned near the inlet for inducing a rotational vortex in the air flow;a compression nozzle including a first end near the stator, a conical angled surface, and second end opposite the first end, the conical angled surface forming a central flow channel and configured to increase the velocity of the air flow through the central flow channel;an expansion nozzle including a first end near the second end of the compression nozzle, a conical angled surface; and a second end opposite the first end of the expansion nozzle, the first end of the expansion nozzle being smaller in diameter than the second end of the compression nozzle so as to form an annular extraction channel; andan outlet opposite the inlet near the second end of the expansion nozzle,wherein the heavier particles are urged to the outside of the rotational vortex and the lighter particles are urged to the inside of the rotational vortex so that air with the heavier particles on the outside of the rotational vortex flows through the annular extraction channel and air with the light particles on the inside of the rotational vortex flow through the expansion nozzle and the outlet.