Patent ID: 6192811
Filing Date: 2001-02-27
Classification: F23C,F23L,F23M

Abstract:
In combination,a furnace comprising an upright wall;an air nozzle comprising:a single-piece, unitary housing having an inlet for receiving air, and an outlet for discharging the air,a vertically-extending shaft mounted in the chamber of the housing,a damper blade having one end portion pivotally mounted about the shaft and the other end portion extending between the shaft and the outlet for splitting the discharging air into two horizontally-spaced streams,the damper blade directing one of the streams through the outlet and towards the wall, and the other stream through the outlet and generally towards the center of the furnace; anda mounting member for mounting the housing to the wall for pivotal movement about a horizontal axis to vary the height at which the two horizontally-spaced streams discharge.