Air control device

Details Air control device Air control device

1981-12-15

1983-10-04

Makay, Albert J.

98101, 98114, F24F 1312

Patent

active

044071876

ABSTRACT:
A device for use in conjunction with an air flow duct to control the flow of air through the duct. The device includes a body for being secured with respect to the duct and having a central aperture therethrough for allowing substantially unhampered flow of air from the duct therethrough, a stationary plate for covering the central aperture of the body and having a plurality of apertures therethrough for allowing substantially unhampered flow of air therethrough, and a movable plate for covering the stationary plate and having a plurality of apertures therethrough for selective alignment with the apertures through the stationary plate to allow metering of the flow of air therethrough.

REFERENCES:
patent: 766957 (1904-08-01), Lloyd
patent: 2525371 (1950-10-01), Reynolds, Jr.
patent: 2995079 (1961-08-01), Fontaine
patent: 3046719 (1962-07-01), Tropiano
patent: 3073525 (1963-01-01), Cislo
patent: 3306178 (1967-02-01), Marino
patent: 3986850 (1976-10-01), Wilcox

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