Patent ID: 7597617
Filing Date: 2009-10-06
Classification: B01D,F24F

Abstract:
1. A gas diffusion device used in conjunction with a particular flow of the gas exiting a conduit, comprising: a. a flat sheet, said flat sheet having a peripheral edge defining a surface therewith, said surface including a first zone having an area, said first zone being inwardly positioned relative to said peripheral edge, and a second zone having an area, said second zone lying between said first zone and said peripheral edge; b. a first plurality of apertures through said flat sheet at said first zone of said surface, said first plurality of apertures constituting a first percentage of open area relative to said area of said first zone; c. a second plurality of apertures through said flat sheet at said second zone of said surface, said second plurality of apertures constituting a second percentage of open area relative to the area of said second zone, said first percentage of open area being less than said second percentage of open area; d. a multisided wall extending outwardly, from said surface of said flat sheet, said wall having an area and including a plurality of apertures through at least three sides of said wall, said plurality of apertures through said wall constituting a particular percentage of open area relative to said area of said wall, said particular percentage of open area at said wall being larger than said first and second percentages of open area and said particular percentage of open area being the same for all three sides of said wall; and d. a mount for holding said flat sheet adjacent the conduit.