Volume controlled damper

Details Volume controlled damper Volume controlled damper

1975-01-20

1976-08-31

Kannan, Philip C.

Flexible or portable closure, partition, or panel

Automatic control

160 9, 160 84R, E05F 1520

Patent

active

039774562

ABSTRACT:
A combination grill, air damper and fire damper is provided with a means for adjusting the volume of flow of air through the damper.

REFERENCES:
patent: 2596413 (1952-05-01), Kincaid
patent: 3401734 (1968-09-01), McCabe
patent: 3439725 (1969-04-01), Haimovitz et al.
patent: 3734114 (1973-05-01), Phillips
patent: 3796249 (1974-03-01), McCabe

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