Bottom source air outlet

Details Bottom source air outlet Bottom source air outlet

1990-08-20

1991-10-22

Joyce, Harold

98 4022, F24F 13062

Patent

active

050584901

ABSTRACT:
Fresh air is supplied into an enclosed space by an air flow radially and substantially without turbulence horizontally over a floor by an air outlet, the outlet openings of which are substantially flush with the floor surface. The air outlet has a cylindrical air guide collar (1) and a concentric insert (7). The air guide collar (1) has a curved collar section (3) merging radially outwardly into a flange (4) which overlaps and bears against the edge of an opening (2) in the floor. The funnel-shaped insert (7) converges from the top to bottom and has an insert flange (8) that extends radially outwardly in the same plane as the collar flange (4). The insert flange (8) narrows an annular flow passage (9) between the air guide collar (1) and the insert (7). The exhaust aperture of the insert (7) can be closed to some extent by a transverse, horizontally arranged deflecting or baffle plate (12).

REFERENCES:
patent: 2791170 (1957-05-01), Phillips et al.
patent: 2822741 (1958-02-01), Kennedy
patent: 2837990 (1958-06-01), Tutt
patent: 3107597 (1963-10-01), Person

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