B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 50/00 (2006.01) F02M 35/022 (2006.01) F02M 35/024 (2006.01)
Patent
CA 2147099
A disposable two-stage air cleaner includes a housing forming an air inlet, a separation chamber, a dirt collection chamber, and an air outlet. A filter element is located between the separation chamber and the air outlet. The air inlet moves the air in a circular pattern in the separation chamber, whereby dirt is thrown outwardly by centrifugal force. An air scavenging system is employed in which air laden with dirt from the first-stage separation chamber is scooped into the dirt collection chamber and air from the dirt collection chamber is allowed to recirculate into the separation chamber after the air flow has been slowed so that the dirt falls from the air stream. The air cleaner thus provides performance which is equal to or better than reusable air cleaners of the prior art.
Denton Donald R.
Keller Dennis B.
Air-Maze Corporation
Macrae & Co.
LandOfFree
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