Gas filtration system employing a filtration screen of particulate solids

Claim 1

A GAS FILTRATION SYSTEM FOR TREATING THE PRODUCTS OF COMBUSTION INTERMEDIATE OF THE SOURCE AND A STACK DISCHARGING THE SAME COMPRISING: MEANS DOWNSTREAM OF THE SOURCE OF SUBJECTING THE PRODUCTS OF COMBUSTION TO HIGH INTENSITY FLAME, A PLURALITY OF SERIES CONNECTED FILTERS COUPLED TO SAID HIGH INTENSITY FLAME PRODUCING MEANS DOWNSTREAM THEREOF, AT LEAST ONE OF SAID FILTERS COMPRISING A PLURALITY OF SETS OF SPACED, OPPOSITELY INCLINED LOUVERS, CONVERGING IN A DOWNSTREAM DIRECTION, WITH THE LOUVERS OF EACH SET BEING LATERALLY SPACED AND SUPPORTING THEREBETWEEN AN ESSENTIALLY CONTINUOUS SCREEN OF FILTER PARTICULATE MATERIAL, MEANS DEFINING INTAKE AND DISCHARGE DUCTS ON RESPECTIVE SIDES OF SAID LOUVERS FOR DELIVERING GAS UNDER PRESSURE TO SAID LOUVER SETS AND REMOVING TREATED GAS THEREFROM, ZXIALLY AND TRANSVERSELY DIRECTED BAFFLE MEMBERS ON THE INTAKE AND DISCHARGE SIDES OF RESPECTIVE LOUVERS FOR INSURING UNIFORM GAS FLOW AT UNIFORM VELOCITY THROUGH SAID PARTICULATE FILTER MATERIAL SCREEN. AND WHEREIN SAID LOUVERS COMPRISE AXIALLY SPACED PAIRED INNER AND OUTER ANNULAR RINGS WITH OPPOSED RINGS DEFINING LOUVER SETS AND SAID BAFFLE MEMBERS COMPRISE AN INTERNAL SET OF SPACED, CONCENTRIC TUBES WHOSE DIAMETERS VARY INVERSELY WITH THEIR LENGTH AND HAVING INTAKE ENDS LYING IN A COMMON PLANE AND HAVING FLANGES DIRECTED RADIALLY OUTWARDLY THEREFROM IN A TRANSVERSE DIRECTION AT THEIR DISCHARGE ENDS WITH THE FLENGE PERIPHERIES JUXTAPOSED TO SAID INTAKE LOUVERS AND AN EXTERNAL SET OF CONCENTRIC TUBES WHOSE DIAMETERS VARY DIRECTLY WITH THEIR LENGTH AND HAVING THEIR DISCHARGE ENDS IN A COMMON PLANE AND CARRYING INTERNALLY DIRECTED TRANSVERSE FLANGES AT THEIR OPPOSITE ENDS WITH THE PERIPHERIES OF THE SAME TERMINATING IN JUXTAPOSED POSITION TO THE OUTER PERPHERIES OF SAID OUTER RINGS.