Nozzle cover

A cover for closing the open side of an enclosure having a spiral shaped section for rotatably housing a blower wheel and a discharge area into which the blower wheel discharges air, wherein said cover includes:

• means for securing said cover to said enclosure for closing said open side thereof;
• said cover having a first main body section that is positioned adjacent to said blower wheel and a second nozzle section that is positioned adjacent to said discharge area;
• said first section of the cover containing an air inlet opening through which air is drawn into the enclosure wherein said nozzle section extends outward from the front of said main body section of the cover and has a rectangular cross sectional area, and a series of stationary, vertically disposed vanes are mounted between a top wall and bottom wall of the nozzle section in a spaced apart relationship across the nozzle
• wherein each vane further includes a pair of parallel, spaced apart flanges that are co-joined by a vertically disposed web and means for securing a first flange to the top wall of said nozzle section and a second flange to a bottom wall of said nozzle section and
• wherein said flanges each contain an outwardly disposed elongated detent that is received in a slotted opening formed in the top and bottom walls of the nozzle.