Diffuser for central air conditioning system

Details Diffuser for central air conditioning system Diffuser for central air conditioning system

2006-07-04

2006-07-04

Wilson, Gregory (Department: 3749)

Ventilation

Having inlet airway

Including specific air distributor

C454S310000

Reexamination Certificate

active

07070497

ABSTRACT:
Diffuser for central air conditioning system includes a single continuous piece center core for cooperating with an intermediate core and an outer frame, the center core including an outwardly and downwardly directed slanting surface generally originating from a center apex and terminating at an edge at its bottom periphery. A pair of opposed vertical strips are attached at the back upper side of the slanting surface in spaced apart relationship and opposing each other, and opposing holes or openings are provided in each vertical strips. An intermediate core made in a single continuous piece is disclosed and includes a vertical collar at its top, and an outwardly and downwardly directed slanting surface at a terminal edge area. An outer frame element made in a single piece includes an upper collar with holes and a downward slanting wall terminating at a flange. A rod/pipe connector extending through the holes retains the assembly together in nested relationship.

REFERENCES:
patent: 2531733 (1950-11-01), Honerkamp
patent: 2928331 (1960-03-01), Averill
patent: 4714009 (1987-12-01), DeHart et al.
patent: 5658196 (1997-08-01), Swaim
patent: 98/33022 (1998-07-01), None
Flexiflo Engineering Manual #34, 1957, Universal Diffuser Corp., Tuckahoe, NY, pp. 4B-4D, 53 and 60.
Flexiflo Engineering Manual #34, 1957, Universal Diffuser Corp., Tuckahoe, NY, pp. 4B-4D, 41,53 and 60.
Flexiflo Engineering Manual #34, Universal Diffuser Corp., Tuckahoe, NY, 1957, entire document.
Patent Abstracts of Japan, 11 132543, May 1999, Japan.

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