Patent ID: 7070497
Filing Date: 2006-07-04
Classification: F24F

Abstract:
1. Diffuser for a central air conditioning system comprising at least a center core element and at least an intermediate core element; said center core element comprising a single continuous piece defining an outwardly and downwardly extending slanting wall originating from an upper apex and terminating at a lower peripheral edge area, said wall having smooth inner or lower and outer or upper surfaces; a plurality of generally vertically extending, laterally spaced strips attached to opposite sides of the upper surface of said wall in opposing relationship; each of said strips having at least one hole for receiving a mounting fastener, each hole of each strip aligned with an opposed hole of an opposed strip; said intermediate core element comprising an upper, generally vertically extending collar connected at its lower end to an outwardly and downwardly extending wall terminating at a respective peripheral edge area, said wall of the intermediate core having smooth inner or lower and outer or upper surfaces, and said vertically extending collar and outwardly and downwardly extending wall of said intermediate core element being constructed in one continuous piece; at least one pair of opposed, aligned holes in said collar; said center and intermediate core elements configured so that the center and intermediate cores may be assembled in nested relationship with the outer or upper wall surface of the center core located centrally within the inner or lower wall surface of the intermediate core element and with all of said opposed holes aligned with each other; wherein corner portions are removed from the vertical collar of said intermediate core element to define clear slots whereby a free flow of air circulated through the diffuser around the vertical collar is enabled.