Patent ID: 11892190
Assignee: DUST FREE, LP
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 18:
19. A heating, ventilation and air conditioning system comprising:
a first heating, ventilation and air conditioning unit;
a second heating, ventilation and air conditioning unit; and
a heating, ventilation and air conditioning air conveyance apparatus disposed between, and secured to, the first heating, ventilation and air conditioning unit and the second heating, ventilation and air conditioning unit, the air conveyance apparatus comprising:
a plurality of panels adapted to be field-assembled to form the heating, ventilation and air conditioning air conveyance apparatus, each panel comprising an air purification coating disposed on an inner surface, and the plurality of panels comprising:
a pair of first quadrilateral panels, each first quadrilateral panel defining a right-angle flange extending from each of a pair of opposite edges;
a pair of second quadrilateral panels, each second quadrilateral panel defining a hemmed cleat along each of a pair of opposite edges, each hemmed cleat shaped and dimensioned to receive one of the first quadrilateral panel right-angle flanges to form the heating, ventilation and air conditioning air conveyance apparatus; and
heating, ventilation and air conditioning unit mating flanges extending from each other edge of each of the first quadrilateral panels and/or from each other edge of each of the second quadrilateral panels, such that at least a pair of opposed peripheral heating, ventilation and air conditioning unit mating flanges extend from each end of the heating, ventilation and air conditioning air conveyance apparatus and is received securably by an open end of each of the first and second heating, ventilation and air conditioning units.