Proportioning air diffuser and system

Details Proportioning air diffuser and system Proportioning air diffuser and system

1981-11-23

1984-01-24

Wayner, William E.

98 41SV, F24F 1310

Patent

active

044269188

ABSTRACT:
A proportioning air diffuser system, and an air diffuser therefor, for venting air from a dynamic plenum having areas of relatively greater and lesser static pressure. Each diffuser has a plurality of selectively adjustable vent openings, and a corresponding plurality of air extractors extending into the plenum to divert air through the diffuser. The effective venting area is selectively adjustable, but only within limits that prevent the diffusers from being completely closed. The diffusers are distributed along the plenum, with their effective vent areas progressively increasing from plenum areas of greater to areas of lesser static pressure. The volumetric rate of air flow through the diffusers can thereby be balanced.
In a preferred embodiment, two plates having alignable vent openings are positioned over each other. One of the plates is slidable over the other, thereby functioning as a damper to control the alignment between plate vent openings, and thus the effective vent area. A stop depends from the slidable plate through a vent opening of the other plate to limit the sliding range, and provides an engagement point for an adjustment handle.

REFERENCES:
patent: 2852311 (1958-09-01), Alexeff
patent: 3223019 (1965-12-01), Schuh
patent: 3308741 (1967-03-01), Chambers
patent: 3601033 (1971-08-01), Lambert
patent: 3608468 (1971-09-01), McClurkin
patent: 3780503 (1973-12-01), Smith
patent: 3988973 (1976-11-01), Honmann
patent: 4258616 (1981-03-01), Zeller et al.

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