Patent ID: 7581539
Filing Date: 2009-09-01
Classification: B01D,F24C,Y10S

Abstract:
1. A grease filter, comprising: a lower baffle assembly including an array of elongate, metal, laterally-spaced, upwardly-opening, gutter-shaped baffles; an upper baffle assembly opposed to said lower baffle assembly, said upper baffle assembly including an array of elongate, metal, laterally-spaced, downwardly-opening, gutter-shaped baffles; and an elongate perforated metal strip extending within each of said downwardly-opening, gutter-shaped baffles of said upper baffle assembly; said baffles in said lower and upper assemblies being offset relative to each other to define tortuous paths for exhaust air passing through the filter and to eliminate any straight line paths through said lower and upper baffle assemblies; each of said baffles of said lower baffle assembly having an elongate base wall with opposite upwardly extending sidewalls defining a channel; and said sidewalls of said baffles in said lower baffle assembly having a plurality of apertures.