Patent ID: 6544320
Filing Date: 2003-04-08
Classification: B01D

Abstract:
An air cleaning apparatus including an air-inlet, an air-outlet, an air-cleaning means for removing pollutants carried in an air stream, a compartment defined by substantially upright sides including laterally opposite sides, inside which compartment there is disposed an air channel joining said air-inlet and said air-outlet, said air channel defined by a plurality of substantially parallel baffles projecting from laterally opposite sides with alternating of said baffles defining a portion of said air channel between laterally opposite sides and an air-drawing device for drawing air into said compartment, wherein said air channel is adapted to cause the air stream coming into said compartment through said air-inlet to flow in a serpentine pattern across said compartment between said laterally opposite sides along said air-channel towards said air outlet and said air-cleaning means includes a fluid curtain disposed at least along a part of said air-channel.